860615495 crankshaft flywheel assembly for XCMG XMR603VT Light Roller

Short Description:

860615495 crankshaft flywheel assembly is a genuine core power output component exclusively matched for XCMG XMR603VT light combination roller engine. As the final power conversion and energy storage unit of the engine crank-linkage system, it collaborates with the piston rod assembly to convert reciprocating linear motion into continuous rotational torque. The crankshaft undertakes torque transmission and power diversion, while the flywheel stores inertial energy to balance intermittent combustion power pulses. This integrated assembly stabilizes engine rotational speed, outputs uniform power to the transmission system, and ensures steady start-up and low-speed operation of the roller under variable construction loads, serving as the pivotal power output foundation of the entire equipment.

Send email to us

Product Detail

Product Tags

description

The 860615495 crankshaft flywheel assembly is factory-calibrated according to the dynamic balance parameters and power output standards of XMR603VT roller engine. The integral forged crankshaft adopts precision journal finishing and surface strengthening technology, featuring high structural toughness and anti-fatigue performance. The matched flywheel undergoes strict dynamic balance calibration and tooth ring precision assembly, with stable inertial mass and accurate meshing parameters. Working with bearings, gaskets and transmission components, it forms a complete engine power output and energy balance system.

Light compaction rollers often operate with frequent start-stop, low-speed heavy-load compaction and fluctuating load conditions. Non-standard crankshaft flywheel assemblies commonly have defects such as unbalanced dynamic performance, insufficient journal hardness and unstable inertial matching. Long-term cyclic operation easily causes rotational speed jitter, power output fluctuation, abnormal vibration and even journal wear or tooth ring meshing failure. The genuine 860615495 crankshaft flywheel assembly is optimized for roller engineering working conditions, with precise dynamic balance tolerance, excellent wear resistance and impact resistance. It effectively suppresses engine speed fluctuation, balances cyclic power difference, reduces transmission vibration and abrasion, and significantly improves the smoothness and durability of the whole machine’s power output process.

product parameters

Part Number: 860615495

Applicable Model: XCMG XMR603VT Light Combination Roller

Product Name: Crankshaft Flywheel Assembly

Core Structure: Forged integral crankshaft, precision crank pin and main journal, counterweight balance structure, positioning flange, high-precision flywheel body, integrated starter gear ring, dynamic balance calibration structure, fixing fastening assembly

Main Material: High-strength alloy forged steel, wear-resistant quenched and tempered base material, high-rigidity cast iron flywheel, high-hardness gear ring steel, anti-fatigue structural material

Core Function: Convert linear motion to rotational power, store inertial kinetic energy, stabilize engine speed, balance combustion power pulse, output torque to transmission system, support starter meshing start, reduce power fluctuation

Working Characteristics: Ultra-low vibration operation, stable dynamic balance, excellent journal wear resistance, strong impact load resistance, low operational noise, long fatigue service life

Working Condition Adaptation: Adapt to frequent start-stop cycles, low-speed heavy-load operation, dynamic load fluctuation, long-term continuous vibration and alternating temperature working scenarios

Matching Parts: Piston rod assembly, engine bearing set, transmission connection mechanism, starter assembly, engine lubrication system, rear end sealing components

Number	Parts Name	Quantity	Material Encoding
1	FLYWHEEL BOLT	6	860564222
2	FLYWHEEL RING GEAR PARTS	1
3	ROUND PIN	1	459352745
4	1409020600401 CRANKSHAFT	1
5	COMMON FLAT KEY	1
6	PULLEY	1
7	BELT PULLEY PRESSING WASHER	1	860587185
8	BELT PULLEY PRESSING BOLT	1

advantages

• Adopts integral die-forging forming process with overall uniform fiber structure, effectively improving structural toughness and resisting cyclic fatigue fracture under long-term variable loads.

• Precision journal surface quenching treatment enhances surface hardness and wear resistance, reducing abrasive loss during high-speed rotation and extending service life.

• Professional dynamic balance calibration minimizes rotational unbalance, suppressing engine resonance and speed jitter to deliver smoother power output.

• Optimized flywheel inertial matching design perfectly adapts to roller low-speed compaction working conditions, solving insufficient low-torque power and unstable idle operation.

• Integrated high-precision gear ring features accurate meshing tolerance, ensuring reliable starter start-up and avoiding gear slipping and abnormal meshing noise.

• Original factory overall dimension calibration and parameter matching ensure seamless assembly with XMR603VT engine, with high fitting precision and excellent interchangeability.

maintenance & replacement tips

• Monitor engine idle stability and power output uniformity daily; jittery idle or fluctuating torque usually indicates abnormal crankshaft or flywheel balance.

• Maintain clean and sufficient lubricating oil regularly to form stable oil film on journal surfaces, avoiding dry friction and eccentric wear of rotating parts.

• Check starter meshing status frequently; timely inspect gear ring wear if there is starting slipping, tooth jumping or abnormal meshing noise.

• Avoid frequent violent acceleration and overload compaction operation to reduce instantaneous impact load and prevent crankshaft micro-deformation and fatigue damage.

• Strictly implement dynamic balance detection during engine overhaul to eliminate residual unbalance and ensure consistent rotational stability.

• Adopt genuine 860615495 crankshaft flywheel assembly for replacement to restore original power output parameters and whole-machine dynamic balance 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.