| 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 |
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.
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 |
| 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 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 .
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