860615506 starter motor assembly for XCMG XMR603VT Light Roller
description
The 860615506 starter motor assembly is factory calibrated according to the starting torque demand, installation space and electrical parameter standards of XMR603VT roller engine. It adopts high-torque motor structure and precise one-way clutch transmission mechanism, featuring fast gear meshing, stable torque output and low starting current. The high-precision drive gear realizes smooth meshing and automatic disengaging with the engine flywheel, avoiding gear impact and tooth wear. The whole assembly is equipped with dustproof, shockproof and heat-resistant structural design, which can adapt to low-temperature cold start, high-dust site and long-term vibration working conditions.
Construction rollers face variable ambient temperatures, dusty working sites and frequent start-stop cycles. Ordinary non-standard starter motors have common defects such as insufficient starting torque, slow gear engagement, poor wear resistance and weak environmental adaptability. Long-term use easily causes failure phenomena including delayed start, idle meshing noise, gear tooth stripping and burning of internal coils, which seriously affects construction progress. The genuine 860615506 starter motor assembly adopts optimized high-torque coil design and reinforced clutch structure. It realizes rapid and stable starting under low temperature and unstable voltage conditions, reduces meshing impact wear, improves starting success rate and service durability, and lowers equipment starting failure rate.
product parameters
Part Number: 860615506
Applicable Model: XCMG XMR603VT Light Combination Roller
Product Name: Engine Starter Motor Assembly
Core Structure: High-power driving motor, one-way overrunning clutch, precision drive gear, electromagnetic suction switch, conductive terminal group, dustproof end cover, shockproof mounting bracket, internal wear-resistant bushing
Main Material: High-density copper coil, high-strength alloy gear, wear-resistant clutch assembly, high-temperature resistant insulating material, anti-corrosion metal shell, impact-resistant structural base
Core Function: Convert electric energy into starting torque, drive engine flywheel rotation, complete ignition startup, realize automatic meshing and disengagement, ensure reliable cold and hot start performance
Working Characteristics: Large starting torque, fast response speed, stable current output, low meshing impact, strong dustproof and heat resistance, long service life
Working Condition Adaptation: Adapt to frequent start-stop operation, low-temperature cold start, dusty construction environment, continuous vibration and voltage fluctuation conditions
Matching Parts: Storage battery, engine flywheel assembly, main wiring harness, starting control switch, relay module, engine power unit
| Number | Parts Name | Quantity | Material Encoding | |
| 1 | STARTER MOTOR ASSEMBLY | 1 | 860174198 | |
advantages
• High-density pure copper coil structure boosts starting torque significantly, ensuring instant and powerful startup even under low temperature and low battery voltage conditions.
• Precision one-way clutch mechanism realizes flexible meshing and automatic separation, effectively reducing gear collision wear and eliminating abnormal meshing noise.
• Optimized electromagnetic suction structure provides sensitive switching response, avoiding starting jamming and delayed gear engagement failure.
• Integrated multi-layer dustproof and heat insulation design prevents internal dust accumulation and coil overheating, improving environmental adaptability on construction sites.
• Reinforced shockproof mounting structure resists long-term equipment vibration, preventing internal component loosening and ensuring stable starting performance.
• Original factory parameter calibration and hole position benchmarking perfectly match XMR603VT engine, with accurate installation and excellent maintenance interchangeability.
maintenance & replacement tips
• Observe startup feedback daily; slow cranking, intermittent startup and abnormal gear noise indicate starter wear or poor meshing status.
• Regularly check the tightness of mounting bolts and wiring terminals to prevent poor contact caused by vibration loosening from affecting starting power supply.
• Keep the surface and internal structure clean to avoid dust and oil dirt accumulation leading to gear jamming and insensitive electromagnetic suction.
• Avoid long-time continuous ignition startup to prevent excessive current from burning internal coils and wearing clutch components rapidly.
• Inspect battery voltage and line conductivity regularly; unstable power supply will aggravate starter load and accelerate aging.
• Replace with genuine 860615506 starter motor assembly during engine overhaul to restore standard starting torque and reliable ignition performance.
warehouse
We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.
our warehouse
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