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Part Name: Swing/Slew Motor
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Part No: M5X250
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Applicable Models: SANY SY485 Excavator
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Delivery Options : Express freight / Standard (sea) Freight
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Condition/Options: Genuine original KPM/OEM replacement
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Warranty : 1 Year
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MOQ : 1 Piece
Perth Heavy-Duty Mining Scene 2025-08-17: Komatsu PC1250-8 Wiring Harness 6245-81-5320 6245815320 & More
Custom & OEM parts service: Need unique specs for your Komatsu, Caterpillar, Volvo, or Hitachi fleet? Growshine International offers rapid custom manufacturing—from single wiring harnesses to complete hydraulic valve assemblies—delivered worldwide in 7-15 days. Send your drawings or samples today!
| 序号 Item |
品牌-配件名称 Brand-Part Name |
零件号（含去符号） Part Number (-/no-) |
适用场景 Application |
|---|---|---|---|
| 1 | Komatsu PC1250-8 Wiring Harness | 6245-81-5320, 6245815320 | 大型挖掘机线束升级 |
| 2 | HD405 Air Conditioner Compressor | 425-S62-3321, 425S623321 | 矿用自卸卡车空调系统 |
| 3 | D575A-3-M Generator | 600-825-9310, 6008259310 | 推土机发电系统 |
| 4 | D85E-SS-2 Gear Pump | 705-11-38010, 7051138010 | 推土机液压动力 |
| 5 | PC1250-7 Buzzer | 21N-06-31240, 21N0631240 | 挖掘机报警提醒 |
| 6 | PC1250SP-8R Controller | 6240-21-8100, 6240218100 | 挖掘机电子控制 |
| 7 | HD465-7 Motor Assembly | 421-62-32700, 4216232700 | 自卸卡车启动系统 |
| 8 | HD785-5 Retarder Valve | 561-35-62203, 5613562203 | 矿卡缓速控制 |
| 9 | HD785-5 Relay Valve | 561-35-61601, 5613561601 | 重卡制动系统 |
| 10 | PC1250SP-8R Rocker Arm | 6240-41-5500, 6240415500 | 挖掘机气门机构 |
| 11 | WA600-6 Pin Shaft | 426-70-31960, 4267031960 | 装载机铰接系统 |
| 12 | PC1250-8 Valve | 21N-06-41280, 21N0641280 | 挖掘机油路控制 |
| 13 | D375A-5 Insert | 08193-30010, 0819330010 | 推土机履带支撑 |
| 14 | D375A-6 Controller | 7830-14-4006, 7830144006 | 推土机智能模块 |
| 15 | HD785-5 Waveform Spring | 561-15-79811, 5611579811 | 自卸卡车悬挂 |
| 16 | D475A-5A Sealing Ring | 195-15-39260, 1951539260 | 推土机回转密封 |
| 17 | D375A-5 Washer | 07332-52400, 0733252400 | 推土机底盘紧固 |
| 18 | D375A-6 Hose | 195-03-64122, 1950364122 | 推土机液压管路 |
| 19 | D155A-6 Sealing Gasket | 6217-11-8830, 6217118830 | 推土机发动机密封 |
| 20 | D155AX-6 Air Conditioning Belt | 6261-81-6810, 6261816810 | 推土机空调传动 |
| 21 | PC1250-8 Fuel Pump | 6245-71-1100, 6245711100 | 挖掘机燃油供给 |
| 22 | D155AX-5 Ring Gear | 17A-15-22620, 17A1522620 | 推土机终传动 |
| 23 | D375A-6 Gear Protection | 195-27-41150, 1952741150 | 推土机驱动保护 |
| 24 | WA600-6 Floating Oil Seal | 425-33-00111, 4253300111 | 装载机轮毂密封 |
| 25 | D375A-5 Hub | 195-27-34111, 1952734111 | 推土机驱动轮毂 |
| 26 | D375A-6 Valve Assembly | 195-13-85701, 1951385701 | 推土机主控阀 |
| 27 | PC400-7 Piston | 6152-32-2510, 6152322510 | 挖掘机发动机活塞 |
| 28 | D475A-5A Washer | 09233-14520, 0923314520 | 推土机底盘垫片 |
| 29 | WA480-6 Oil Pressure Sensor | 6219-81-1961, 6219811961 | 装载机监控仪表 |
| 30 | HD785-7 Valve | 561-30-81601, 5613081601 | 自卸卡车液压控制 |
20 High-Impact Long-Tail Keywords
1. Komatsu PC1250-8 genuine wiring harness supplier
2. HD405 AC compressor 425-S62-3321 stock
3. D575A-3-M generator 600-825-9310 next-day shipping
4. Construction machinery parts export Perth
5. Heavy truck retarder valve 561-35-62203 wholesale
6. Bulldozer D375A-6 hose 195-03-64122 factory price
7. WA600-6 floating oil seal 425-33-00111 distributor
8. PC400-7 piston 6152-32-2510 OEM quality
9. HD785-5 relay valve 561-35-61601 worldwide delivery
10. Mining excavator parts Growshine International
11. Aftermarket D155AX-6 AC belt 6261-81-6810
12. Loader pin shaft 426-70-31960 bulk order
13. Final drive gear shaft 198-27-45162 supplier
14. Agricultural tractor hydraulic pump export
15. Auto AC compressor wholesale Asia
16. Komatsu fuel pump 6245-71-1100 price
17. Heavy equipment sealing kit distributor
18. PC1250-7 buzzer 21N-06-31240 replacement
19. Construction machinery sensor 6219-81-1961
20. Growshine International parts catalog 2025
10 Essential Part Glossaries (ENG / 中文 / РУС)
- Wiring Harness 线束 Жгут проводов – Installed inside the main frame of Komatsu PC1250-8, transmits power & signals between controller and sensors.
- Fuel Pump 燃油泵 Топливный насос – Mounted on the engine block of Caterpillar 345D, delivers diesel from tank to injectors.
- Retarder Valve 缓速器阀 Клапан тормоз-ретардер – Located in the rear axle hydraulic circuit of HD785-7 dump truck for downhill speed control.
- Gear Pump 齿轮泵 Шестерённый насос – Fitted to the transmission case of D85E-SS-2 bulldozer to supply hydraulic flow.
- AC Compressor 空调压缩机 Компрессор кондиционера – Bolted to the engine front of HD405 dump truck, compresses refrigerant.
- Rocker Arm 摇臂 Качалка клапана – Positioned on cylinder head of PC1250SP-8R, converts cam motion to valve lift.
- Floating Oil Seal 浮动油封 Плавающее маслонепроницаемое уплотнение – Installed in wheel hub of WA600-6 loader to retain final-drive oil.
- Generator 发电机 Генератор – Mounted on engine accessory bracket of D575A-3-M, supplies 24 V power.
- Valve Assembly 阀总成 Сборка клапана – Located in main control valve block of D375A-6 bulldozer for blade lift & tilt.
- Piston 活塞 Поршень – Inside cylinder liner of PC400-7 engine, transfers combustion force to crankshaft.
3 Daily Maintenance FAQs
Q1: How often should I replace the wiring harness 6245-81-5320 on a PC1250-8?
A: Every 4,000 operating hours or immediately if insulation cracks appear.
Q2: My HD785-5 relay valve 561-35-61601 is leaking; can I rebuild it?
A: Yes, with Growshine International seal kit delivered in 48 hours.
Q3: What oil grade is recommended for WA600-6 floating oil seal 425-33-00111?
A: SAE 80W-90 GL-5 gear oil for optimal seal life.
Real-World Case Study: HD465-7 Motor Assembly 421-62-32700 Failure
Equipment: Komatsu HD465-7 dump truck
Symptom: Starter motor spins but engine fails to crank
Diagnosis: Armature commutator wear beyond 0.02 mm tolerance
Solution: Replace with genuine Growshine motor assembly 421-62-32700, clean ring gear, upgrade to heavy-duty 24 V 150 A battery, and apply dielectric grease to terminals. Downtime reduced from 3 days to 4 hours.
Why Choose Growshine International
Growshine International is a premier exporter of construction machinery parts, heavy truck parts, agricultural parts, and automotive parts. With 12 years of experience, global warehousing, and 24/7 multilingual support, we ensure your machines run non-stop from the mines of Perth to the farms of Saskatchewan. All parts are OEM or equivalent quality, backed by a 12-month warranty.
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📞 tel: +86 18565598186
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📱 WhatsApp: +52 8181683423
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