120-27-31211 1202731211 Pinion KOMATSU Bulldozer Spare Parts Fitting For D40F D41A
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120-27-31211 1202731211 Pinion KOMATSU Bulldozer Spare Parts Fitting For D40F D41A
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Specifiion
| Category | Final Drive Gear |
| Name | Pinion |
| Parts No | 120-27-31211 1202731211 |
| Machine Number | D40A D40AM D40F D40P D40PF D40PL D40PLL D41A |
| Lead time | 1-3 DAYS |
| Quality | Brand new, OEM quality |
| MOQ | 1 PCS |
| Means of transport | By sea/air, DHL FEDEX UPS TNT |
| Packing | As request or standard packing |
- Key functions
1.Engine Timing Synchronization: When used in the 6D114 engine’s timing system, it drives the camshaft gear, ensuring valves open and close at the correct piston positions – preventing valve-piston collision and optimizing fuel combustion.
2.Swing Drive Torque Transfer: In excavator swing assemblies, it meshes with the swing ring gear, transferring torque from the planetary gearbox to rotate the upper structure (cab, boom, bucket) smoothly and precisely.
3.Speed Regulation: Adjusts rotational speed to match component requirements – e.g., reducing high-speed motor input to low-speed swing motion, or synchronizing crankshaft/camshaft speeds.
4.Load Distribution: Even tooth contact distributes high torque across multiple teeth, preventing tooth damage and extending the service life of both the pinion and mating gear.
- Compatible models
BULLDOZERS D40A D40AM D40F D40P D40PF D40PL D40PLL D41A D41E D41P
CRAWLER LOADERS D41Q D41S Komatsu
- More other pinion applied to KOMATSU heavey machine
| 12F-954-2810 PINION |
| D31P, D40PF |
| 120-27-31411 PINION,2ND |
| D40A, D40AM, D40F, D40P, D40PF, D40PL, D40PLL, D41A, D41E, D41P, D41Q, D41S |
| 12F-27-11260 PINION, 11 TEETH,2ND |
| D40A, D40AF, D40PF, D40PL, D40PLF, D45A, D45P, D45S |
| 125-27-21210 PINION, 13 TEETH,1ST |
| D40A, D40AF, D40PF, D40PL, D40PLF, D45A, D45P, D45S |
| 621 125 C1 PINION, DRIVE |
| KOMATSU |
| 195-21-00081 PINION AND GEAR A. |
| D355A |
| 114-Y60-1140 PINION,BEVEL |
| D31AM, D31SM, DWT037 |
| 113-27-41221 PINION |
| D31A, D31AM, D31E, D31P, D31PG, D31PL, D31PLL, D31Q, D31S, D31SM, D37A, D37E, D37P, D37PG |
| 696 958 73 Pinion |
| KOMATSU |
| 1207 382 H91 PINION AND COUNTERSHAFT |
| KOMATSU |
| 404-00092A PINION;GEAR |
| DX300, DX300LL, SOLAR |
| 1207 383 H91 PINION AND COUNTERSHAFT |
| KOMATSU |
| 124-27-51212 PINION |
| D41E, D41E6T, D41P, D41PF |
| 120-27-31411 PINION,2ND |
| D40A, D40AM, D40F, D40P, D40PF, D40PL, D40PLL, D41A, D41E, D41P, D41Q, D41S |
- Directory listing
| Pos. | Part No | Qty | Parts name | Comments |
| 1 | 120-27-31211 | [2] | PINION,1ST Komatsu | 4.47 kg. |
| ["SN: 10001-UP"] | ||||
| 2 | 06043-00311 | [4] | BEARING,ROLLER Komatsu | 1.501 kg. |
| ["SN: 10001-UP"] | ||||
| 3 | 120-27-31221 | [2] | CAGE Komatsu China | |
| ["SN: 10001-UP"] | ||||
| 4 | 07000-05155 | [2] | O-RING Komatsu China | 0.017 kg. |
| ["SN: 10001-UP"] analogs:["0700005155E", "0700015155"] | ||||
| 5 | 01010-51230 | [12] | BOLT Komatsu | 0.043 kg. |
| ["SN: 10001-UP"] analogs:["0101081230", "01010B1230"] | ||||
| 6 | 01602-21236 | [12] | WASHER,SPRING Komatsu | 0.006 kg. |
| ["SN: 10001-UP"] analogs:["M011601200006", "0160211236"] | ||||
| 7 | 07012-10080 | [2] | SEAL,OIL Komatsu | 0.078 kg. |
| ["SN: 10001-UP"] | ||||
| 8 | 113-27-21230 | [2] | FLANGE Komatsu China | |
| ["SN: 10001-UP"] | ||||
| 9 | 01010-51030 | [24] | BOLT Komatsu OEM | 0.03 kg. |
| ["SN: 10001-UP"] analogs:["0101081030", "801015110", "M018011000306", "YM26116100302"] | ||||
| 10 | 01602-21030 | [24] | WASHER,SPRING Komatsu | 0.004 kg. |
| ["SN: 10001-UP"] analogs:["YM22217100000"] | ||||
| 11 | 131-21-52320 | [2] | NUT Komatsu | 0.36 kg. |
| ["SN: 10001-UP"] | ||||
| 12 | 113-27-21220 | [2] | LOCK Komatsu China | |
| ["SN: 10001-UP"] | ||||
| 13 | 07000-02085 | [2] | O-RING Komatsu China | 0.03 kg. |
| ["SN: 10001-UP"] analogs:["0700012085", "YM24321000850"] | ||||
| 14 | 01010-51225 | [4] | BOLT Komatsu | 0.074 kg. |
| ["SN: 10001-UP"] analogs:["0101081225", "01010B1225", "0101051222"] | ||||
| 16 | 120-27-31411 | [2] | PINION,2ND Komatsu | 10.21 kg. |
| ["SN: 10001-UP"] | ||||
| 17 | 120-27-31311 | [2] | GEAR Komatsu China | |
| ["SN: 10001-UP"] | ||||
| 18 | 120-27-31320 | [6] | KEY Komatsu China | |
| ["SN: 10001-UP"] | ||||
| 19 | 135-27-11340 | [2] | SPACER Komatsu China | |
| ["SN: 10001-UP"] | ||||
| 20 | 130-09-31492 | [4] | BEARING,ROLLER Komatsu | 2.94 kg. |
| ["SN: 10001-UP"] analogs:["1300931491"] | ||||
| 21 | 120-27-31421 | [4] | HOLDER Komatsu China | |
| ["SN: 10001-UP"] | ||||
| 22 | 01010-51640 | [4] | BOLT Komatsu | 0.264 kg. |
| ["SN: 10001-UP"] analogs:["0101061640", "801015186", "0101031640", "0101081640"] | ||||
| 23 | 01653-21616 | [4] | WASHER,LOCK Komatsu China | |
| ["SN: 10001-UP"] analogs:["0165301616", "0165311616"] |
- We could supply the following spare parts
1 Hydraulic parts: hydraulic pump, main valve, hydraulic cylinder, final drive, travel motor, swing machinery, swing motor etc.
2 Engine parts: engine ass’y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger, fuel injection pump, starting motor and alternator etc.
3 Undercarriage part: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion etc.
4 Cab parts: operator’s cab, wiring harness, monitor, controller, seat, door etc.
5 Cooling parts: Radiator, air conditioner, compressor, after cooler etc.
6 Other parts: Service kit, swing circle, engine hood, swing joint, fuel tank, filter, boom, arm, bucket etc.
- Packing and Shipping
Packing Details :
inner packing : plastic film for wrapping
external packing : wooden
Shipping :
within 3 days after received the payment , by air or by express or by sea on the basis of the
quantity and emergency circumstances.
1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier companies we are cooperated,
2. By Air: Delivery from the Guangzhou air port to customer's destination city air port.
3. By Sea: Delivery from the Huangpu port .
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.