Introduction

The 612600020338 Flywheel Assembly is an essential original equipment component exclusively engineered for WEICHAI WP10 series diesel engines. As one of the key rotating parts of the engine crankshaft system, this flywheel undertakes multiple core functions including rotational inertia storage, engine running stabilization, power transmission, and starting system cooperation. Manufactured strictly in accordance with WEICHAI’s official OEM technical standards, the product adopts high-performance ductile cast iron material and undergoes precision CNC machining, heat treatment, dynamic balance calibration, and multi-layer quality testing to ensure outstanding durability, stable friction performance, and high-precision assembly tolerance. Widely applied in heavy-duty trucks, dump trucks, cargo trucks, engineering machinery, loaders, and commercial vehicles equipped with WEICHAI WP10 power systems, this flywheel serves as an ideal replacement solution for old, worn-out, deformed or damaged original flywheels. It effectively solves common engine faults such as unstable rotation speed, clutch jitter, power transmission lag, and difficult starting, greatly improving the overall operating stability and service life of the diesel engine.

Key Features

✅️Strict OEM Standard Compliance & Perfect Model Adaptation

This flywheel assembly strictly follows the original factory drawing standard with the accurate part number 612600020338. Every dimension, tooth parameter, mounting hole position and friction surface specification fully matches the original WEICHAI WP10 engine. It supports direct bolt-on replacement without any modification, cutting or adjustment, ensuring zero installation errors and highly compatible assembly effects. It covers full versions of WP10 engine models used in highway transportation vehicles and construction equipment.

✅️High-Strength Nodular Ductile Cast Iron Material, Super Durable

Different from ordinary cast iron accessories, this flywheel is made of high-grade ductile cast iron with excellent mechanical properties. The material features high tensile strength, strong impact resistance, outstanding fatigue resistance and extreme wear resistance. It can withstand long-term high-load operation, frequent clutch combination and separation, and high-temperature working environments inside the engine compartment, effectively avoiding common problems such as flywheel surface wear, tooth cracking, deformation and fracture under harsh working conditions.

✅️Precision CNC Machining & Strict Flatness Control

The clutch friction working surface is finely processed by high-precision CNC machine tools with ultra-flat surface treatment and strict tolerance control. The smooth and uniform friction plane ensures stable contact with the clutch pressure plate and clutch disc. It fundamentally eliminates common failure problems including clutch slipping, incomplete power transmission, vehicle jitter, abnormal vibration and noise during acceleration and shifting, greatly improving driving smoothness and transmission efficiency.

✅️Professional Dynamic Balance Calibration for Stable Engine Operation

All finished flywheels pass professional high-speed dynamic balance testing and correction. The optimized overall weight distribution effectively stores the rotational inertia generated by engine piston reciprocating motion, smooths the intermittent power output of the four-stroke diesel engine, reduces crankshaft rotation fluctuation and engine vibration, and maintains stable idle speed and uniform power output during full-load operation. It significantly improves the overall operating balance of the engine.

✅️Integrated Starting Gear Ring with Precise Tooth Accuracy

Equipped with standard matching starter gear ring, the gear teeth are finely quenched and tempered with high hardness and precise tooth pitch. It ensures smooth and stable meshing with the starter motor during engine starting, avoiding tooth skipping, tooth breaking, starting failure and abnormal meshing noise. The structure is firm and durable, adapting to frequent starting operations of engineering machinery and heavy trucks.

✅️Multiple Quality Inspection Processes, Reliable Heavy-Duty Performance

Each batch of flywheel assemblies undergoes strict factory inspections including material component testing, dimensional inspection, surface defect detection, hardness testing and dynamic balance verification. All products reach OEM-level quality standards, with stable performance under long-term heavy-load, high-temperature and high-frequency working conditions. Low failure rate, long service life and excellent cost performance make it a trustworthy replacement part for after-sales maintenance and fleet repair.

✅️Wide Application & Complete After-Sales Traceability

This 612600020338 flywheel is widely applicable to WEICHAI WP10 engine equipped on heavy trucks, semi-trailer tractors, construction loaders, engineering vehicles and other commercial equipment. The product retains standard casting numbers and laser anti-counterfeiting traceability codes, supporting customer quality verification and batch management. We support wholesale, retail and customized bulk orders with sufficient stock and fast global delivery.

Detail

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Contact with clear photo of engine nameplate or chassis number:

Linda Zhang

Whatsapp:+86 176 6066 8410

EMAIL:sales16@chinatruck.cc