| Category |
Cab And Cab Floor Group, Glass Window And Wipers |
| Name |
Arm |
| Parts No |
418-925-4780 4189254780 |
| Machine Number |
WA150 WA150PZ WA200 WA250 WA270 WA320 |
| 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 & working principle
| Working Principle |
1. Connected to the main boom via a pivot pin at the upper end, and to the bucket via a pivot pin at the lower end |
| 2. The arm hydraulic cylinder (mounted between the boom and arm) extends/retracts to control arm movement (lifting/lowering, digging/pulling) |
| 3. Hydraulic pressure from the excavator’s hydraulic system drives the cylinder, which transfers force to the arm’s reinforced lugs |
| 4. The box-section structure distributes loads evenly across the arm, preventing localized stress and deformation during digging or lifting heavy materials |
| Core Functions |
1. Transmit hydraulic force to the bucket for digging, lifting, and dumping operations |
| 2. Provide stable support for the bucket during heavy-load tasks (e.g., excavating rock, loading trucks) |
| 3. Maintain precise control of bucket positioning (via coordinated movement with the boom and bucket cylinders) |
| 4. Protect hydraulic components and pivot points from job site debris and wear |
| 5. Ensure long-term structural reliability under cyclic loading (repeated digging/lifting cycles) |
WHEEL LOADERS WA150 WA150PZ WA200 WA200PZ WA250 WA250PZ WA270 WA320 WA320PZ Komatsu
- More other arm applied to KOMATSU heavey machine
| 202-63-X7040 ARM CYLINDER GROUP |
| PF3, PF3W |
| |
| 21P-70-21310 ARM |
| PC150, PC160, PC180, PC200EL, PC200EN |
| |
| 416-851-2100 ARM,LIFT |
| WA100 |
| |
| 385-10230601 ARM |
| 510, 515, 540, 540B |
| |
| 20E-966-K490 ARM ASS'Y,LOWER |
| PW130, PW130ES, PW150ES |
| |
| 569-40-81110 ARM,L.H. |
| HD465, HD605 |
| |
| 208-70-00283 ARM |
| PC400 |
| |
| 419-877-1632 ARM,LIFT (MODIFIED PARTS) |
| WA300, WA320 |
| |
| 208-70-00281 ARM ASS'Y |
| PC400 |
| |
| 233-979-1130 ARM |
| GD31, GD31RC |
| |
| 209-70-00290 ARM ASS'Y |
| PC800, PC800SE |
| |
| 20Y-966-0022 ARM ASS'Y |
| PC200, PC228 |
| Pos. |
Part No |
Qty |
Parts name |
Comments |
| 1 |
418-926-4540 |
[1] |
Glass Komatsu |
20 kg. |
| |
|
|
["SN: 70001-UP"] |
|
| 2 |
418-926-4550 |
[1] |
Glass Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 3 |
418-926-4560 |
[1] |
Glass Komatsu |
100 kg. |
| |
|
|
["SN: 70001-UP"] |
|
| 4 |
418-926-4610 |
[1] |
Dam Komatsu |
0.09 kg. |
| |
|
|
["SN: 70001-UP"] |
|
| 5 |
418-926-4250 |
[1] |
Bracket Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 6 |
418-926-4260 |
[1] |
Bracket Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 7 |
418-926-4650 |
[2] |
Bracket Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 8 |
01010-D0620 |
[8] |
Bolt Komatsu |
0.007 kg. |
| |
|
|
["SN: 70001-UP"] analogs:["0101080620", "01010B0620", "801015066"] |
|
| 9 |
01643-70623 |
[8] |
Washer Komatsu |
0.002 kg. |
| |
|
|
["SN: 70001-UP"] analogs:["0164330623"] |
|
| 10 |
417-926-3512 |
[1] |
Glass Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 11 |
418-926-3530 |
[1] |
Dam Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 12 |
418-926-4780 |
[1] |
Glass Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 13 |
418-926-4790 |
[1] |
Glass Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 14 |
418-926-3520 |
[2] |
Dam Komatsu |
0.31 kg. |
| |
|
|
["SN: 70001-UP"] |
|
| 15 |
418-926-4640 |
[2] |
Plate Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 16 |
01010-81020 |
[4] |
Bolt Komatsu |
0.161 kg. |
| |
|
|
["SN: 70001-UP"] analogs:["801014093", "0101051020", "801015108"] |
|
| 17 |
01643-31032 |
[4] |
Washer Komatsu |
0.054 kg. |
| |
|
|
["SN: 70001-UP"] analogs:["802150510", "0164331030", "0164381032", "0164371032", "0164331022", "0164321032", "0164301032", "6127212530", "802170002", "R0164331032"] |
|
| 18 |
418-925-4930 |
[1] |
Wiper Motor Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 19 |
02030-70444 |
[1] |
Bolt, Unified Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 20 |
419-926-4260 |
[1] |
Washer Komatsu China |
|
| |
|
|
["SN: 72415-UP"] |
|
| 21 |
418-925-4780 |
[1] |
Arm Komatsu |
1 kg. |
| |
|
|
["SN: 70001-UP"] |
|
| 22 |
425-54-15250 |
[1] |
Wiper Blade Komatsu |
0.28 kg. |
| |
|
|
["SN: 70001-UP"] analogs:["4189263950"] |
|
| 23 |
421-926-3612 |
[1] |
Motor, Wiper Komatsu |
0.88 kg. |
| |
|
|
["SN: 70001-UP"] analogs:["4219263611"] |
|
| 24 |
01010-80816 |
[3] |
Bolt Komatsu |
0.022 kg. |
| |
|
|
["SN: 70001-UP"] analogs:["0101050816", "801015084"] |
|
| 25 |
01643-30823 |
[3] |
Washer Komatsu |
0.004 kg. |
| |
|
|
["SN: 70001-UP"] analogs:["802070008", "802150008", "0160510818", "0164310823", "802170001", "01643A0823"] |
|
| 26 |
418-926-3971 |
[1] |
Arm, Wiper Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 27 |
22T-55-11630 |
[1] |
Nozzle Assembly Komatsu |
0.013 kg. |
| |
|
|
["SN: 70001-UP"] |
|
| 28 |
20U-54-24850 |
[1] |
Wiper Blade Komatsu |
0.26 kg. |
| |
|
|
["SN: 70001-UP"] analogs:["4219263630"] |
|
| 29 |
417-926-3650 |
[1] |
Spacer Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 30 |
418-926-4890 |
[1] |
Hose Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 31 |
418-926-4970 |
[1] |
Hose Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
| 32 |
20U-54-46520 |
[5] |
Hook, Sticker Type Komatsu |
0.01 kg. |
| |
|
|
["SN: 70001-UP"] |
|
| 33 |
08034-40521 |
[21] |
Band Komatsu |
0.003 kg. |
| |
|
|
["SN: 70001-UP"] |
|
| 34 |
04434-50808 |
[2] |
Clip Komatsu |
0.082 kg. |
| |
|
|
["SN: 70001-UP"] |
|
| 37 |
120-Y79-5760 |
[2] |
Valve, Check Komatsu China |
|
| |
|
|
["SN: 70001-UP"] |
|
- 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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