Speed Reducer 186-4117 for CAT Backhoe Loader 424D 436C 420D

Speed Reducer 186-4117 for Cat Backhoe Loader Product Overview The 186-4117 planetary speed reducer assembly functions as a critical mechanical torque multiplier inside the final drive and axle groups of backhoe loaders and vibratory compactors. This heavy-duty aftermarket replacement spare part optimizes gear ratios to deliver smooth rim pull, robust bucket digging forces, and reliable travel power under punishing field extraction and site preparation conditions. Engineered strictly to match original equipment physical boundaries, it ensures direct alignment within the hub assembly to minimize power loss and prevent drivetrain gear binding. Speed Reducer 186-4117 for Cat Backhoe Loader Cat 424D 436C 420D Core Technical Performance & Load Bearing Advantages Constructed utilizing case-hardened high-alloy steel gear teeth and heavy forged steel carriers, this speed reducer assembly demonstrates structural durability against torsional shear fatigue. Precision-ground planetary gears promote uniform tooth contact pressure across the internal gear matrix. Optimized to maintain exceptional lubrication integrity in extreme operating zones—ranging from intense arid desert heat to sub-zero -40°C arctic mining and infrastructure environments—the assembly mitigates micro-pitting and overheating under high payload operations. Compatible Machine & Serial Number Matrix Machine Type Compatible Model Applicable Equipment Range Backhoe Loader 424D / 436C / 420D / 442D / 430D / 432D / 416C / 428D / 438C / 416D / 426C / 438D / 428B / 416B / 428C All Applicable Rear Axle & Drivetrain Configurations Vibratory Compactor CP-563D / CP-533D / CS-531D / CS-563C / CP-533C / CS-563D / CS-573C / CP-563C / CS-573D / CS-583C / CS-583D / CS-533C / CS-533D / CS-531C Propulsion & Drum Drive Reduction Assemblies OEM Matching Cross Reference & Pairing Parts List Item Category OEM Part Number Interchangeable / Companion Parts Primary Reducer Assembly 186-4117 186-4116 (Companion Drive Components) Planetary Carrier Gear 186-4117 Gears Heavy-Load Case-Hardened Pinion Pin Matrix Drivetrain Hub Bearing 007-4605 Reference Matched Tapered Axle Roller Bearings Common Axle Hub Failure & Component Replacement Guidance Drivetrain reducers running in abrasive dirt and gravel environments are susceptible to high internal friction heat and lubrication breakdown. Fine rock dust and moisture bypass can score planetary pinions, resulting in severe gear tooth pitting and mechanical backlash degradation. Running a backhoe loader with a worn out planetary reducer induces excessive hub vibration, accelerating axle seal failure and structural housing damage. Fleet mechanics must carry out routine gear oil analysis and inspect magnetic drain plugs to identify metal micro-shavings early, swapping compromised units before a catastrophic final drive lockup occurs. Manufacturing & Precision QC Standard Each planetary speed reducer undergoes stringent inspection methods to confirm tooth surface hardness and geometric matching profiles. Gear components undergo controlled gas carburizing heat treatment to achieve a deep hard wear layer with a flexible shock-absorbing core structure. Computerized coordinate measuring machines check tooth pitch profile accuracy down to micron tolerances. Final quality verification includes full rotational noise testing and back-lash checks under load simulation to verify smooth torque distribution before factory distribution. Frequently Asked Questions Q: What causes premature gear failure inside the 186-4117 planetary reducer? A: Accelerated failure is mostly induced by delayed gear oil replacement intervals or structural overloading during severe trenching or compaction cycles, leading to oil film degradation and subsequent metal-to-metal friction pitting. Q: Can this speed reducer be used in freezing northern construction zones? A: Yes. The specialized carburized alloy steel used in this aftermarket replacement spare part retains high fracture toughness and core impact elasticity under extreme -40°C arctic conditions. Q: Do the planetary gears come pre-lubricated in the packaging? A: The assembly is coated with a rust-preventative oil layer for transport protection. Field maintenance technicians must drain the preservation oil and fill the final drive housing with specialized drivetrain gear oil to the required level upon installation. Related Axle & Drivetrain Spare Parts Part Number Description Primary System Application 186-4116 Planetary Sun Gear Axle Drivetrain Reduction System 6V-2055 Drivetrain Duo-Cone Seal Group Final Drive Floating Hub Sealing 2W-5931 Final Drive Housing Seal Wheel Axle Lubrication Retaining Assembly   Product / Description Part Numbers Differential Bevel Gear 423-3959, 4233959, 383-6807, 3836807 – For 980H Wheel Loaders and 777G, 777, 777D Off-Highway Trucks 423-3959, 4233959, 383-6807, 3836807 Pinion Shaft 267-6914, 2676914 (Excavator Swing Motor Shaft Pinion) – For 374D, 374F Hydraulic Excavators 267-6914, 2676914 Pinion Shaft 570-5868, 5705868 (Excavator Swing Motor Shaft Pinion) – For 345GC Hydraulic Excavators 570-5868, 5705868 Pinion Shaft 227-6108, 2276108 (Excavator Swing Motor Shaft Pinion) – For 345D, 349D, 349D2 Hydraulic Excavators 227-6108, 2276108 Pinion Shaft 570-5845, 5705845, 625-7496, 6257496 (Excavator Swing Motor Shaft Pinion) – For 320GC, 320 Hydraulic Excavators (E320GC, E320) 570-5845, 5705845, 625-7496, 6257496 Transmission Torque Converter 510-7484, 5107484, 333-0270, 3330270, 326-1353, 3261353, 268-1709, 2681709 – For 950GC, 993K, 416E Equipment 510-7484, 5107484, 333-0270, 3330270, 326-1353, 3261353, 268-1709, 2681709 Transmission Hydraulic Torque Converter 453-2041, 4532041 – For Excavators, Bulldozers, Loaders 453-2041, 4532041 XMSN Transmission Shifter Powertrain Transmission 351-0988, 3510988, 20R-3809, 20R3809 – For 789D Highway Trucks 351-0988, 3510988, 20R-3809, 20R3809 XMSN Transmission Shifter Powertrain Transmission 163-5299, 1635299, 597-2591, 5972591 – For D9R Track Type Tractors 163-5299, 1635299, 597-2591, 5972591 XMSN Transmission Shifter Powertrain Transmission 556-2621, 5562621, 396-5175, 3965175, 546-5528, 5465528, 230-6315, 2306315 – For 950GC Equipment 556-2621, 5562621, 396-5175, 3965175, 546-5528, 5465528, 230-6315, 2306315 XMSN Transmission Shifter Powertrain Transmission 315-6272, 3156272, 611-8736, 6118736, 20R-3956, 20R3956 – For 777E, 777G Highway Trucks 315-6272, 3156272, 611-8736, 6118736, 20R-3956, 20R3956 XMSN Transmission Shifter Powertrain Transmission 267-5245, 2675245 – For 24M Equipment 267-5245, 2675245 Transmission Planet Carrier 6Y-4819, 6Y4819, 112-8041, 1128041, 6P-7704, 6P7704 – For D6R Track Type Tractors 6Y-4819, 6Y4819, 112-8041, 1128041, 6P-7704, 6P7704 Planetary Transmission Plate Cover Manifold Coupling Gear 6Y-1602, 6Y1602, 6Y-4831, 6Y4831, 144-7878, 1447878 – For D6R Bulldozers 6Y-1602, 6Y1602, 6Y-4831, 6Y4831, 144-7878, 1447878 Planetary Transmission Input/Output Shaft 231-8855, 2318855, 234-9994, 2349994 – For D6R Bulldozers 231-8855, 2318855, 234-9994, 2349994 Drive Shaft 458-3867, 4583867 – For 140K, 120M, 120, 140, 160 Motor Graders 458-3867, 4583867 Bevel Gear Rear Axle Differential 9U-0479, 9U0479, 9U-0470, 9U0470, 4E-9966, 4E9966, 9V-5728, 9V5728 – For 980F, 980C, 528, 518, 950E Equipment 9U-0479, 9U0479, 9U-0470, 9U0470, 4E-9966, 4E9966, 9V-5728, 9V5728 Differential Bevel Gear Shaft 169-1548, 1691548, 111-7966, 1117966 – For 140H, 160H Motor Graders and 824K, 824G Equipment 169-1548, 1691548, 111-7966, 1117966 Cross Coupling (Spider Universal Joint) 9V-7710, 9V7710, 1S-9670, 1S9670, 7V-3842, 7V3842, 216-7957, 2167957 – For 980C, 988B Wheel Loaders 9V-7710, 9V7710, 1S-9670, 1S9670, 7V-3842, 7V3842, 216-7957, 2167957 Cross Coupling (Universal Joint) 106-0933, 1060933, 6H-2577, 6H2577, 2K-3631, 2K3631, 5T-1362, 5T1362, 325-6011, 3256011 – For 834K, D11R, 140H Equipment 106-0933, 1060933, 6H-2577, 6H2577, 2K-3631, 2K3631, 5T-1362, 5T1362, 325-6011, 3256011 Cross Coupling (Spider Universal Joint) 174-4643, 1744643, 8V-6435, 8V6435, 191-2226, 1912226, 5V-1168, 5V1168 – For Bulldozers and Wheel Loaders 174-4643, 1744643, 8V-6435, 8V6435, 191-2226, 1912226, 5V-1168, 5V1168 Cross Coupling (Spider Universal Joint) 2V-7153, 2V7153, 430-8922, 4308922 – For D25D, D30D Articulated Dump Trucks 2V-7153, 2V7153, 430-8922, 4308922 Cross Coupling (Spider Universal Joint) 4E-3462, 4E3462, 450-4807, 4504807, 450-4808, 4504808 – For 990H, 990K, 844H, 844K, 950GC Equipment 4E-3462, 4E3462, 450-4807, 4504807, 450-4808, 4504808 Cross Coupling (Spider Universal Joint) 112-5495, 1125495, 297-4858, 2974858, 2T-0095, 2T0095, 7G-9555, 7G9555 – For Bulldozers and Loaders 112-5495, 1125495, 297-4858, 2974858, 2T-0095, 2T0095, 7G-9555, 7G9555 Cross Coupling (Spider Universal Joint) 9P-0356, 9P0356, 172-0871, 1720871, 125-8810, 1258810, 576-6293, 5766293, 5V-2974, 5V2974 9P-0356, 9P0356, 172-0871, 1720871, 125-8810, 1258810, 576-6293, 5766293, 5V-2974, 5V2974 Cross Coupling (Spider Universal Joint) 8X-5005, 8X5005, 173-0888, 1730888, 394-0898, 3940898, 172-5235, 1725235 – For 776D, 777D, 777E, 777G Equipment 8X-5005, 8X5005, 173-0888, 1730888, 394-0898, 3940898, 172-5235, 1725235 Cross Coupling (Universal Joint Drive Shaft) 972-9658, 9729658, 114-5043, 1145043, 390-4797, 3904797 – For 966H, 329H Wheel Loaders 972-9658, 9729658, 114-5043, 1145043, 390-4797, 3904797 Reduction Travel Gearbox and Final Drive 355-5952, 3555952, 330-7517, 3307517 – For 306, 305.5 Hydraulic Excavators 355-5952, 3555952, 330-7517, 3307517 Reduction Travel Gearbox and Final Drive 352-8148, 3528148, 277-6695, 2776695, 332-7499, 3327499, 374-5972, 3745972 – For 312D, 314D Excavators 352-8148, 3528148, 277-6695, 2776695, 332-7499, 3327499, 374-5972, 3745972 Reduction Travel Gearbox 515-0070, 5150070, 378-9567, 3789567, 515-0073, 5150073, 378-9568, 3789568 – For 330D2, 329D2 Excavators 515-0070, 5150070, 378-9567, 3789567, 515-0073, 5150073, 378-9568, 3789568 Travel Gearbox and Final Drive 296-6217, 2966217 – For 336D, 330D, 330C, 340D Hydraulic Excavators 296-6217, 2966217 Final Drive Reducer (Reduction Travel Gearbox) 571-4032, 5714032, 571-4033, 5714033 – For 320, 320GC, 323 Hydraulic Excavators 571-4032, 5714032, 571-4033, 5714033 Travel Gearbox 511-6015, 5116015, 536-7274, 5367274, 527-7309, 5277309, 538-5278, 5385278 – For 330 Hydraulic Excavators 511-6015, 5116015, 536-7274, 5367274, 527-7309, 5277309, 538-5278, 5385278 Reduction Travel Gearbox 536-7275, 5367275, 610-8800, 6108800, 538-5902, 5385902, 610-8801, 6108801 – For 336, 340, 345GC Excavators 536-7275, 5367275, 610-8800, 6108800, 538-5902, 5385902, 610-8801, 6108801 Travel Gearbox 536-7276, 5367276, 584-2571, 5842571, 538-5279, 5385279, 600-9726, 6009726 – For 349, 352 Excavators 536-7276, 5367276, 584-2571, 5842571, 538-5279, 5385279, 600-9726, 6009726 Travel Gearbox 148-4233, 1484233, 152-0946, 1520946, 149-3577, 1493577, 152-0948, 1520948 (Bonfiglioli) – For 329D, 323D, 713, 713C Equipment 148-4233, 1484233, 152-0946, 1520946, 149-3577, 1493577, 152-0948, 1520948 Reduction Drive Slewing Gearbox 486-1577, 4861577, 393-2179, 3932179, 486-1574, 4861574, 487-6234, 4876234 – For 307E, 308.5, 308 Excavators 486-1577, 4861577, 393-2179, 3932179, 486-1574, 4861574, 487-6234, 4876234 Drive Slewing Gearbox 199-4602, 1994602, 333-3015, 3333015, 467-4416, 4674416, 204-2814, 2042814 – For 315D, 315C, 318D2, 318, 318D Excavators 199-4602, 1994602, 333-3015, 3333015, 467-4416, 4674416, 204-2814, 2042814 Reduction Drive Slewing Gearbox 378-9517, 3789517, 536-7292, 5367292, 584-2652, 5842652 – For 320, 323, 323GX, 323GC Excavators 378-9517, 3789517, 536-7292, 5367292, 584-2652, 5842652 Drive Slewing Gearbox 333-2959, 3332959, 378-9558, 3789558, 482-6619, 4826619, 333-2958, 3332958 – For 336D, 340D, 330D, 330C, 336D2 Excavators 333-2959, 3332959, 378-9558, 3789558, 482-6619, 4826619, 333-2958, 3332958 Reduction Drive Slewing Gearbox 536-7288, 5367288, 536-7294, 5367294, 584-2681, 5842681 – For 336, 336GC, 340, 345GC Excavators 536-7288, 5367288, 536-7294, 5367294, 584-2681, 5842681 Drive Slewing Gearbox 296-6252, 2966252, 296-6249, 2966249, 418-7155, 4187155, 470-0474, 4700474 – For 345D, 349D, 349D2, 349E Excavators 296-6252, 2966252, 296-6249, 2966249, 418-7155, 4187155, 470-0474, 4700474 Reduction Drive Slewing Gearbox 296-6147, 2966147, 378-9544, 3789544, 296-6146, 2966146, 378-9543, 3789543 – For 374D, 374F Excavators 296-6147, 2966147, 378-9544, 3789544, 296-6146, 2966146, 378-9543, 3789543 Reduction Drive Slewing Gearbox 582-8287, 5828287, 600-9606, 6009606, 582-8286, 5828286, 584-2690, 5842690 – For 374 Hex Excavators 582-8287, 5828287, 600-9606, 6009606, 582-8286, 5828286, 584-2690, 5842690 Connecting Rod Drive Roller Chain 6G-1633, 6G1633, 297-8777, 2978777, 544-1301, 5441301, 282-6565, 2826565 (YM Chain Link) – For 140H, 14M, 120H, 160H Motor Graders 6G-1633, 6G1633, 297-8777, 2978777, 544-1301, 5441301, 282-6565, 2826565 Connecting Rod Drive Roller Chain 6G-1670, 6G1670 – For 14G, 14M Motor Graders 6G-1670, 6G1670 Connecting Rod Drive Roller Chain 5T-0735, 5T0735 – For 120K Motor Graders 5T-0735, 5T0735 Travel Gearbox Planet Carrier and Ring Gear 191-2676, 1912676, 191-2686, 1912686, 191-2684, 1912684 – For 325D, 329D2, 330D2 Excavators 191-2676, 1912676, 191-2686, 1912686, 191-2684, 1912684 Drum Gear Sprocket Hub 2S-7603, 2S7603, 5M6651, 211-2135, 2112135, 8P-1851, 8P1851, 224-1314, 2241314 – For D6D, D6C, D6G Bulldozers 2S-7603, 2S7603, 5M6651, 211-2135, 2112135, 8P-1851, 8P1851, 224-1314, 2241314 Sprocket 499-2970, 4992970, 458-7784, 4587784, 7T-1247, 7T1247, 102-6676, 1026676 – For D9R, D9T, D9 Track Type Tractors 499-2970, 4992970, 458-7784, 4587784, 7T-1247, 7T1247, 102-6676, 1026676 Swing Pinion Shaft 148-4605, 1484605 – For 336D, 330C, 336D2 Excavators 148-4605, 1484605 Bevel Gear Differential 326-0532, 3260532 – For 950GC Wheel Loaders 326-0532, 3260532 Transmission Torque Converter 453-2041, 4532041 – For 24 Motor Graders 453-2041, 4532041 Transmission 351-0988, 3510988, 20R-3809, 20R3809 – For 789D Motor Graders 351-0988, 3510988, 20R-3809, 20R3809 Parking Brake 510-5052, 5105052 – For 994K Wheel Loaders 510-5052, 5105052 Universal Joint 204-3540, 2043540 – For 928G Wheel Loaders 204-3540, 2043540 Universal Joint 173-0888, 1730888, 394-0898, 3940898 – For 980G, 980H, 980K Wheel Loaders 173-0888, 1730888, 394-0898, 3940898 Travel Gearbox 511-6015, 5116015, 536-7274, 5367274, 609-7009, 6097009 – For 330 Excavators 511-6015, 5116015, 536-7274, 5367274, 609-7009, 6097009 Friction Disc and Friction Plate 351-0925, 3510925 – For 160M Motor Graders 351-0925, 3510925 Ring Gear 296-6311, 2966311, 607-3914, 6073914 – For 336D, 340D Excavators 296-6311, 2966311, 607-3914, 6073914 Sun Gear 296-6190, 2966190 – For 336D, 336D2, 336, 345GC Excavators 296-6190, 2966190 Planet Carrier 296-6183, 2966183 – For 336D, 336D2, 336, 345GC Excavators 296-6183, 2966183 Planet Gear 296-6230, 2966230 – For 336D, 336D2, 336, 345GC Excavators 296-6230, 2966230 Bevel Gear 512-1741, 5121741, 327-8692, 3278692, 564-9484, 5649484 – For 950GC Wheel Loaders 512-1741, 5121741, 327-8692, 3278692, 564-9484, 5649484 Planet Gear for 528 Collector Plate 7G-2479, 7G2479, 1P-6166, 1P6166 7G-2479, 7G2479, 1P-6166, 1P6166 Planet Gear for 528 Wheel Collector Plate 7G-2482, 7G2482, 8P-8273, 8P8273 7G-2482, 7G2482, 8P-8273, 8P8273 Planet Carrier 9W-3083, 9W3083 – For 777B, 777D, 777G Trucks 9W-3083, 9W3083 Planet Gear 572-0344, 5720344 – For 395 Excavators 572-0344, 5720344 Spindle 381-4333, 3814333 – For 120 Motor Graders 381-4333, 3814333 Swing Ring Gear 569-4288, 5694288 – For 320, 320GC, 323, 336, 340, 395, 345GC Excavators 569-4288, 5694288 Slip Joint 387-6041, 3876041 – For 950GC Wheel Loaders 387-6041, 3876041 Universal Joint 387-6043, 3876043 – For 950GC Wheel Loaders 387-6043, 3876043 Universal Joint 6W-2916, 6W2916, 9W-7703, 9W7703 – For 966E Wheel Loaders 6W-2916, 6W2916, 9W-7703, 9W7703 Transmission Clutch 8E-1161, 8E1161 – For 120H, 140H, 160H Motor Graders 8E-1161, 8E1161 Transmission 357-1119, 3571119 – For 988K Wheel Loaders 357-1119, 3571119 Torque Converter 160-6401, 1606401 – For R1600, R1600G, R1600H Underground Mining Wheel Loaders 160-6401, 1606401 Final Drive Sprocket Housing 296-6181, 2966181 – For 336D2, 340D2, 336, 345GC Excavators 296-6181, 2966181 Final Drive Housing 5T-7129, 5T7129 – For 160K Motor Graders 5T-7129, 5T7129 Travel Gearbox Final Drive 114-1477, 1141477 – For 330B Excavators 114-1477, 1141477 Travel Gearbox Planet Carrier 296-6183, 2966183, 296-6232, 2966232 – For 336D, 336D2, 336, 345GC Hydraulic Excavators 296-6183, 2966183, 296-6232, 2966232 Final Drive 7Y-0767, 7Y0767 – For 330 Excavators 7Y-0767, 7Y0767 Final Drive 557-5904, 5575904, 557-5905, 5575905 – For 336, 336GC, 345GC Excavators 557-5904, 5575904, 557-5905, 5575905 Worm Gear 6G-5533, 6G5533 – For 120M, 120G Motor Graders 6G-5533, 6G5533 Axle Shaft 9C-8421, 9C8421, 454-4771, 4544771 – For 950G, 950H, 950K, 962G, 962H, 962K, 950GC Wheel Loaders 9C-8421, 9C8421, 454-4771, 4544771 Axle Shaft 385-5520, 3855520, 105-8727, 1058727, 423-6986, 4236986, 137-8836, 1378836 – For 980H, 980M, 980, 980K, 826K, 824K Wheel Loaders 385-5520, 3855520, 105-8727, 1058727, 423-6986, 4236986, 137-8836, 1378836 Axle Shaft 583-3191, 5833191, 503-6512, 5036512, 1C-7186, 1C7186, 186-8816, 1868816 – For R2900, R3000H Load Haul Dump Equipment 583-3191, 5833191, 503-6512, 5036512, 1C-7186, 1C7186, 186-8816, 1868816 Axle Shaft 127-8910, 1278910 – For 966H, 966K, 966G, 972H, 972K Wheel Loaders 127-8910, 1278910 Axle Shaft 1C-7412, 1C7412, 318-8626, 3188626, 161-9838, 1619838 – For R1300, R1300G, R1600H, R1700G Load Haul Dump Equipment 1C-7412, 1C7412, 318-8626, 3188626, 161-9838, 1619838 Axle Shaft 223-0566, 2230566, 223-0567, 2230567 – For D6R Track Type Tractors 223-0566, 2230566, 223-0567, 2230567 Axle Shaft 8E-3507, 8E3507, 3T-5278, 3T5278, 8E-3508, 8E3508, 3T-5927, 3T5927 – For D7R Bulldozers 8E-3507, 8E3507, 3T-5278, 3T5278, 8E-3508, 8E3508, 3T-5927, 3T5927 Axle Shaft 8E-3519, 8E3519, 7T-8150, 7T8150, 8E-3518, 8E3518, 3T-5851, 3T5851 – For D8R, D8T, D7R, D6R Track Type Tractors 8E-3519, 8E3519, 7T-8150, 7T8150, 8E-3518, 8E3518, 3T-5851, 3T5851 Axle Shaft 104-3142, 1043142, 8E-3512, 8E3512, 6T-0648, 6T0648 – For D9R Track Type Tractors 104-3142, 1043142, 8E-3512, 8E3512, 6T-0648, 6T0648 Axle Shaft 147-1226, 1471226, 150-1302, 1501302 – For D10T2 Bulldozers 147-1226, 1471226, 150-1302, 1501302 Axle Shaft 279-9659, 2799659, 279-9660, 2799660 – For 770, 770G Trucks 279-9659, 2799659, 279-9660, 2799660 Axle Shaft 396-3892, 3963892 – For 950M, 962M Wheel Loaders 396-3892, 3963892 Axle Shaft 7D-7706, 7D7706, 7D-7707, 7D7707 – For 7707, 773E Trucks 7D-7706, 7D7706, 7D-7707, 7D7707 Axle 246-5267, 2465267, 246-5268, 2465268, 223-1078, 2231078, 223-1079, 2231079 – For 793D, 793F Trucks 246-5267, 2465267, 246-5268, 2465268, 223-1078, 2231078, 223-1079, 2231079 Axle Shaft 185-8902, 1858902, 367-3586, 3673586, 145-8008, 1458008, 185-8903, 1858903, 145-8009, 1458009 – For 797F Trucks 185-8902, 1858902, 367-3586, 3673586, 145-8008, 1458008, 185-8903, 1858903, 145-8009, 1458009 Axle Shaft 139-2157, 1392157, 139-2159, 1392159, 139-2161, 1392161 – For 740, 735C, 745C Trucks 139-2157, 1392157, 139-2159, 1392159, 139-2161, 1392161 Axle Shaft 211-9521, 2119521, 178-9087, 1789087 – For AD30, AD45B Underground Mining Trucks 211-9521, 2119521, 178-9087, 1789087 Radiator 508-6290, 5086290 (Industrial Chilled Water Radiator) – For 320, 320GC, 323 Excavators with C7.1 Engine (E320, E320GC, E323) 508-6290, 5086290 Radiator 433-1680, 4331680, 468-3847, 4683847, 481-3470, 4813470 (Water-Cooled Radiator) – For 329E Excavators with E329E Engine 433-1680, 4331680, 468-3847, 4683847, 481-3470, 4813470 Radiator 423-4019, 4234019, 422-6988, 4226988 – For 330D2, 326D2 Excavators with C7.1 Engine (E330D2, E326D2) 423-4019, 4234019, 422-6988, 4226988 Radiator 521-5201, 5215201, 521-5202, 5215202, 521-5203, 5215203 – For 330, 330GC, 326GC Excavators with C7.1 Engine (E330) 521-5201, 5215201, 521-5202, 5215202, 521-5203, 5215203 Radiator 371-2442, 3712442, 371-2443, 3712443 (Heat-Treated Cooling Radiator Core) – For D6R, D6R2 Track Type Tractors/Bulldozers with C9 Engine 371-2442, 3712442, 371-2443, 3712443 Radiator Core 417-3216, 4173216, 223-5100, 2235100, 387-4363, 3874363 – For 824C, 825K, 826K Paving Compactors and 824K Wheel Bulldozers 417-3216, 4173216, 223-5100, 2235100, 387-4363, 3874363 Radiator Core 7W-2173, 7W2173, 464-9045, 4649045, 464-9056, 4649056, 508-3682, 5083682 – For 777D, 777F, 777E Highway Trucks 7W-2173, 7W2173, 464-9045, 4649045, 464-9056, 4649056, 508-3682, 5083682 Aluminum Radiator 4L-0648, 4L0648, 241-7652, 2417652, 4N-8559, 4N8559 (Heat Transfer Radiator) – For 3406, 3406C, 3412, 3412C Generator Sets 4L-0648, 4L0648, 241-7652, 2417652, 4N-8559, 4N8559 Aluminum Radiator 2N-0256, 2N0256, 4L-2114, 4L2114, 169-2164, 1692164 (Heat Transfer Radiator) – For 3304, 3304B, 3306, 3306B Generator Sets 2N-0256, 2N0256, 4L-2114, 4L2114, 169-2164, 1692164 Radiator 421-5243, 4215243, 558-6905, 5586905 – For C13 Generator Set Engines 421-5243, 4215243, 558-6905, 5586905 Radiator 236-7766, 2367766, 561-9515, 5619515, 583-6045, 5836045 (Heat Exchanger Radiator) – For C4.4, 3056E Perkins Engines 236-7766, 2367766, 561-9515, 5619515, 583-6045, 5836045 Aluminum Radiator 393-5047, 3935047, 393-5050, 3935050 (Heat Exchanger Radiator) – For D10T2 Track Type Tractors with C27 Engine 393-5047, 3935047, 393-5050, 3935050 Radiator Core 163-4061, 1634061, 178-9316, 1789316, 163-4062, 1634062, 185-7976, 1857976 – For D8R, 3406C, C15, D7R, D6R Bulldozers 163-4061, 1634061, 178-9316, 1789316, 163-4062, 1634062, 185-7976, 1857976 Water-Cooled Radiator 210-8030, 2108030, 572-6326, 5726326 – For 390D, 385C, 385B Excavators with C18 Engine (E390D, E385C, E385B) 210-8030, 2108030, 572-6326, 5726326 Aluminum Radiator Core 2W-5540, 2W5540 – For D7G, D6H Bulldozers 2W-5540, 2W5540 Auxiliary Water Tank 086-1507, 0861507 (Expansion Tank, Water-Cooled Radiator) – For 307D Hydraulic Excavators with E307D Engine 086-1507, 0861507 Axle Shaft 150-1310, 1501310, 150-1308, 1501308 – For D11R Bulldozers 150-1310, 1501310, 150-1308, 1501308 Radiator 292-7127, 2927127, 223-5603, 2235603, 272-4840, 2724840 – For R1700G, R2900 Underground Mining Load Haul Dump Loaders 292-7127, 2927127, 223-5603, 2235603, 272-4840, 2724840 Radiator Core 223-5121, 2235121, 387-4368, 3874368 – For 994F, 994K, 994H Wheel Loader Engines 223-5121, 2235121, 387-4368, 3874368 Radiator Core 2W-6632, 2W6632, 213-9906, 2139906, 213-9907, 2139907 – For D10N, 3412, D10T, C27 Track Type Tractors 2W-6632, 2W6632, 213-9906, 2139906, 213-9907, 2139907 Aluminum Radiator Assembly 7E-9798, 7E9798, 4L-0648, 4L0648 (Industrial Chilled Water Radiator) – For 3412C Generator Sets 7E-9798, 7E9798, 4L-0648, 4L0648 Aluminum Water-Cooled Radiator 568-7774, 5687774, 498-0712, 4980712 – For D7, D8T, C15, D8R Track Type Tractor Engines 568-7774, 5687774, 498-0712, 4980712 Aluminum Radiator Assembly 345-3473, 3453473 – For 299D, 297D, 272D Skid Steer Loader Engines 345-3473, 3453473 Radiator Core 256-5309, 2565309, 349-5931, 3495931, 349-8234, 3498234, 398-3232, 3983232 – For 996H, 972H, 966, 972 Wheel Loaders 256-5309, 2565309, 349-5931, 3495931, 349-8234, 3498234, 398-3232, 3983232 Radiator Tank Rubber Gasket 6I-2431, 6I2431, 323-5917, 3235917 – For D8R Track Type Tractor Engine Radiators 6I-2431, 6I2431, 323-5917, 3235917 Radiator 225-3317, 2253317, 938-5149, 334-7675, 325-5781, 3255781 – For 613G, 3126B Wheel Loader Engines 225-3317, 2253317, 938-5149, 334-7675, 325-5781, 3255781 Radiator Core 7E-3328, 7E3328, 2W-5536, 2W5536, 110-4347, 1104347 – For 916, 924F, 926, 926E, 936 Wheel Loader Engines 7E-3328, 7E3328, 2W-5536, 2W5536, 110-4347, 1104347 Aluminum Radiator 168-7461, 1687461, 187-4480, 1874480, 7C-2099, 7C2099, 196-6983, 1966983 – For 120H, 140H, 3306 Motor Graders 168-7461, 1687461, 187-4480, 1874480, 7C-2099, 7C2099, 196-6983, 1966983 Radiator Core 9Y-3318, 9Y3318, 2W-5541, 2W5541 – For 789G, 3516, 3516C, 3516E, 795F, C175-16, 3406 Off-Highway Trucks 9Y-3318, 9Y3318, 2W-5541, 2W5541 Radiator 9Y-5983, 9Y5983, 153-0216, 1530216, 248-2075, 2482075, 102-8418, 1028418 – For 3408, 3508, 3512, 3516B, 3512B Generator Sets 9Y-5983, 9Y5983, 153-0216, 1530216, 248-2075, 2482075, 102-8418, 1028418 Plastic Coolant Expansion Tank 486-0884, 4860884, 606-6289, 6066289, 337-5252, 3375252 – For 374F, 390F Excavator Engines 486-0884, 4860884, 606-6289, 6066289, 337-5252, 3375252 Plastic Coolant Expansion Tank 511-0264, 5110264 – For 320, 323, 320GC Excavator Engines (E320, E323, E320GC) 511-0264, 5110264 Radiator 326-3870, 3263870, 468-3843, 4683843 – For 329D, 325D, 326D Excavators with C7 Engine (E329D, E325D, E324D, E326D) 326-3870, 3263870, 468-3843, 4683843 Radiator 541-1353, 5411353, 539-1528, 5391528, 395-3755, 3953755 – For 374F, C15, 390F, C18 Excavator Engines (E374F, E390F) 541-1353, 5411353, 539-1528, 5391528, 395-3755, 3953755 Aluminum Radiator 364-6099, 3646099, 506-5145, 5065145, 150-6296, 1506296 – For 773D, 773E, 773G, 775G Highway Truck Engines 364-6099, 3646099, 506-5145, 5065145, 150-6296, 1506296 Aluminum Radiator Core 109-3622, 1093622, 113-9539, 1139539, 175-0505, 1750505, 387-4365, 3874365 – For D6R, 3306 Bulldozers 109-3622, 1093622, 113-9539, 1139539, 175-0505, 1750505, 387-4365, 3874365 Aluminum Radiator 475-6622, 4756622 – For 336, 336GC, 345GC Excavators with C9.3 Engine (E336, E336GC, E345GC) 475-6622, 4756622 Radiator Core 209-5494, 2095494, 224-6323, 2246323, 6I-2433, 6I2433, 6I-2432, 6I2432 – For D9N, 3408, D9R, 3408C Bulldozer Engines 209-5494, 2095494, 224-6323, 2246323, 6I-2433, 6I2433, 6I-2432, 6I2432 Radiator 391-6404, 3916404, 250-4452, 2504452, 250-4453, 2504453, 283-5481, 2835481 – For C15, C18, C13 Industrial Engines 391-6404, 3916404, 250-4452, 2504452, 250-4453, 2504453, 283-5481, 2835481 Radiator 267-6502, 2676502, 258-5132, 2585132, 390-1657, 3901657 – For M315D, M316D, M318D Wheel Excavator Engines 267-6502, 2676502, 258-5132, 2585132, 390-1657, 3901657 Industrial Chilled Water Radiator 391-1497, 3911497 – For 320D2, 323D2L Hydraulic Excavators with C7.1 Engine (E320D2, E323D2L) 391-1497, 3911497 Radiator 230-5006, 2305006, 613-5146, 6135146, 473-2833, 4732833 – For C-9, C9, C7, 3126B Industrial or Oilfield Engines 230-5006, 2305006, 613-5146, 6135146, 473-2833, 4732833 Aluminum Radiator Core 256-5308, 2565308, 8N-0073, 8N0073, 376-6723, 3766723 – For 140M, 160M, 120G, 140G Motor Grader Engines 256-5308, 2565308, 8N-0073, 8N0073, 376-6723, 3766723 Radiator 332-4567, 3324567, 247-3906, 2473906, 506-0228, 5060228, 506-0227, 5060227 – For 735B, 740 Articulated Dump Trucks with C15 Engine 332-4567, 3324567, 247-3906, 2473906, 506-0228, 5060228, 506-0227, 5060227 Radiator Core 256-5310, 2565310, 350-7475, 3507475, 387-6051, 3876051, 2W-5539, 2W5539 – For 950H, 950GC, 950B Wheel Loader Engines 256-5310, 2565310, 350-7475, 3507475, 387-6051, 3876051, 2W-5539, 2W5539 Radiator 183-8100, 1838100, 204-0996, 2040996, 236-4430, 2364430, 193-2767, 1932767 – For 320C, 3066 Excavator Engines (E320C) 183-8100, 1838100, 204-0996, 2040996, 236-4430, 2364430, 193-2767, 1932767 Water-Cooled Radiator 141-5975, 1415975 – For 325BL Excavator Engines (E325BL) 141-5975, 1415975 Intercooler 281-3587, 2813587, 359-9393, 3599393, 230-2967, 2302967, 385-2618, 3852618 – For 345D, 349D Excavators with C13 Engine 281-3587, 2813587, 359-9393, 3599393, 230-2967, 2302967, 385-2618, 3852618 Radiator 326-3870, 3263870, 265-3624, 2653624, 360-9273, 3609273, 433-1670, 4331670 – For 320D, 323DL Excavators with C6.4 Engine (E320D) 326-3870, 3263870, 265-3624, 2653624, 360-9273, 3609273, 433-1670, 4331670 Komatsu HD785 Mining Dump Truck parts list 561-22-78014, 561-22-78104, 561-88-70204, 561-22-70304, 561-88-70304, 561-88-70503, 561-22-73115, 561-22-78105, 561-22-73116, 561-22-78503, 561-22-78401, 561-22-78501, 562-84-3B920, 562-84-3B930, 569-50-11240, 566-50-11350, 569-50-82310, 56B-27-34055, 56B-27-32410, 562-22-50820, 562-22-50830, 561-22-70204, 561-22-70205, 561-15-71001 Komatsu 730E Mining Dump Truck Custom Factory Hub VE4742 Komatsu 730E Mining Dump Truck Motor Rotor Assembly VE8679, BF2111 Komatsu 730E Mining Dump Truck Wheel Motor Assembly 5GE788, PB9732 Komatsu 730E Mining Dump Truck Wheel Motor Part Rear Axle Housing A83972CFAB Komatsu 730E Mining Dump Truck Brake Shaft Assembly PB8889 Komatsu 930E Mining Dump Truck Wheel Motor Rotor Assembly VE8679, BF2111 Mining High-Strength Wheel Motor Assembly / Motorized Wheel – Compatible with Komatsu 730E, Unit Rig MT3600, MT3700 5GE788, PB9732 Dump Truck Spare Part Motor – Compatible with Komatsu 730E BF2111, VE8679 Mining Machine Brake Shaft Assembly (355mm * 130mm) – Rear Gear Hub Compatible with Komatsu 730E PB8889, 2000894 Mining Truck Wheel Motor Rotor Assembly – Compatible with Komatsu 730E, Unit Rig MT3600 VE8679, BF2111 Wheel Motor Part Rear Axle Housing – Compatible with Komatsu 730E, Unit Rig MT3600, MT3700 83026C, A83972CFAB Wheel Motor Part Rear Hub – Compatible with Komatsu 730E Dump Truck (Matching Wheel Motor Assembly 5GE788) VE4742 Motor Rotor Assembly – Compatible with Komatsu 730E, Unit Rig MT3600 VE8679, BF2111 Custom Factory Hub – For Komatsu 730E Mining Dump Truck VE4742 Wheel Motor Assembly – Compatible with Komatsu 730E, MT3700 Mining Dump Truck 5GE788, PB9732 Custom-Designed Mining Machine Electric Wheel Motor Assembly – Compatible with Komatsu 730E, Unit Rig MT3600, MT3700 (180T-205T) 5GE788, PB9732 Custom High-Speed Heavy-Duty Front Electric Wheel Motor Assembly Kit – Compatible with Komatsu 730E Mining Truck 5GE788, PB9732 Hydraulic Motor – Compatible with Komatsu Dump Truck BF2111, VE8679 Mining Truck Wheel Motor Rotor Assembly – Compatible with Komatsu 730E, Unit Rig MT3600 VE8679, BF2111 Wheel Motor Part Rear Axle Housing – Compatible with Komatsu 730E Mining Truck A83972CFAB Rear Hub – Compatible with Komatsu 730E Dump Truck (for Wheel Motor Assembly) VE4742 Komatsu 930E Mining Dump Truck PARTS list GE0708, GE0933, GE0892, XA4259, EJ8855, GE1495, EK7401, 58F-30-00021 Komatsu 830E Mining Dump Truck PARTS list XA2849, XA2854, XA2851, XA4041, VE6091, XA3384, GE0896, XA4288, XA2862, V0500, VE4785 Terex TR100 Mining Dump Truck PARTS list 15334788, 15007642, 15307380, 15337197, 15007634, 15307373 Volvo A40E/F Mining Dump Truck parts list Drive Gear, Driven Bevel Gear, Chassis Companion Flange, Wheel Reduction Assembly, Rear Axle Reduction Assembly BELAZ 75306 Mining Dump Truck parts list Oil Seal, Torsion Shaft, Rear Wheel Hub, First-Stage Sun Pinion, Synchronous Generator, Wheel Motor Reducer Unit, Planetary Gear and Piston, Secondary Planetary Gear Component Related Part Numbers NO P.N. NAME 1 6204-31-1100 6204-31-1100 Crankshaft for Komatsu S4D95LE-3 PC78MR-6 WA70-7 2 183-0691 Caterpillar Fuel Injector BN1830691C1 183-0691 for 3126 3126B C7 Engin... 3 6745-31-1120 Komatsu & Cummins 6D114E-3 Crankshaft 6745-31-1120 for SAA6D114E-2... 4 2881834 Cummins QST30 Fuel Pump 2881834 2881835 Bosch 0402796212 0402796213 5 708-1S-00240 708-1S-00240 Hydraulic Pump Assembly for Komatsu D65-12 D65-15 D275-5D... 6 723-66-21400 Komatsu 723-66-21400 Main Control Valve Assembly for D375-6 Crawler Do... 7 1-15603334-1 1-15603334-1 Fuel Injection Pump for Hitachi ZX330 ISUZU 6HK1 Engine 8 173-3381 173-3381,272-6955,200-3366 SBS120 hydraulic pump assembly 9 9U-0479 9U-0479 Planetary Reducer for CAT 980F R1700 II Loader 10 566-35-44110 Komatsu Control Device 566-35-44110 for HD405-6 HD255-5 11 4477283 Hitachi Pilot Gear Pump 4477283 4723333 4482892 for EX1200-6 Excavator 12 6560-71-1202 PC1250-7 Injection Pump for 6560-71-1202 Wa600-3 Loader 13 448-9705 448-9705 Hydraulic Pump GP-PS-B for CAT C4.4 C7.1 320GC 930M 14 6245-51-9100 Komatsu Oil Pump 6245-51-9100 - SAA6D170E-5C/5A-01/5-B EGR Valve Lubri... 15 561-20-72003 Drive Shaft Assembly 561-20-72003 for Komatsu WA470-3 HD605-7 16 235-2026 235-2026,7W-0561 Diesel injection pump for Cat 3412 engine Fuel Inject... 17 723-63-21102 723-63-21102 Main Control Valve Assembly for Komatsu D65-12 Crawler Do... 18 7831-68-9000 Komatsu Panel 7831-68-9000 for D155 D375 bulldozers dozers 19 6219-71-6700 Komatsu Fuel Injection Pump 6219-71-6700 for PC2000-8 HD785 20 6E-3524 6E-3524 Hydraulic Gear Pump for Caterpillar CAT 980F R1700G Loader 21 6560-71-1100 Cummins QSK23 Fuel Pump 4307242 & Komatsu 6D170 Fuel Pump 6560-71-... 22 6245-11-8120 Komatsu 6245-11-8120 O-Ring SAA6D170 Engine Valve Cover Seal 23 6218-81-4111 Komatsu Sensor Assembly 6218-81-4111 Blowby - HD785-7 PC1250SP-8R SAA1... 24 SAA6D170E-5 Komatsu PC1250-8 Engine Assembly SAA6D170E-5 25 6245-71-1111 Fuel Injection Pump 6245-71-1111 for Komatsu HD785-7 PC1250-8 26 1U-4605 Caterpillar 1U-4605 hydraulic cylinder for Caterpillar 785C 777D 777E ... 27 723-64-22600 723-64-22600 Main Control Valve Assembly for Komatsu D85-15 Crawler Do... 28 6212-11-4410 566-02-6E141 6212-11-4410 6212-11-4420 Silicone Hose for Komatsu HD465...