The 6151-61-3321 Pulley is a precision-engineered engine drive component specifically designed for the Komatsu S6D125E diesel engine used in PC400 hydraulic excavators. Manufactured from premium-quality materials and built to OEM specifications, it delivers precise belt alignment, smooth power transmission, and exceptional durability under demanding construction and mining conditions. Its robust design helps reduce belt wear, minimize vibration, and maintain reliable performance of the engine accessory drive system for long-term operation.
Provides stable power transmission and reliable engine accessory operation
Surface Treatment / Protection
Precision machined surfaces with corrosion-resistant treatment
Dimensions & Structure
OEM standard configuration
Function / Installation Position
Engine belt drive pulley position
Operating Conditions
Heavy-duty diesel engine operation
Compatible Models
PC400, S6D125E
System
Engine belt drive system
Weight
5.45 kg
Packaging
Industrial carton + foam protection
Lead Time
30–90 days
Shipping Method
Sea / Air / Land
Payment Method
USD / RMB / RUB
Warranty
6 months
Features & Benefits
Precision-engineered pulley designed for Komatsu S6D125E engines and PC400 hydraulic excavators
Manufactured from premium high-strength steel for superior durability and extended service life
Precision-machined to OEM specifications for accurate fit and dependable performance
Ensures smooth belt alignment and efficient power transmission
Minimizes belt slippage, vibration, and premature wear
Corrosion-resistant surface treatment for reliable operation in demanding construction and mining environments
Compatible Machine
Part Number: 6151-61-3321
This pulley is compatible with:
Komatsu S6D125E Diesel Engine
Komatsu PC400 Hydraulic Excavator
It may also be suitable for other Komatsu equipment equipped with the S6D125E engine.
If you’re unsure whether 6151-61-3321 Pulley is compatible with your equipment, simply provide your machine serial number (PIN) or engine serial number, and our technical team will verify compatibility before shipment.
Applications
The 6151-61-3321 Pulley is a vital component of the engine accessory drive system, providing reliable belt guidance and efficient power transmission for engine-driven accessories. It is widely used in heavy-duty applications, including:
Large-scale excavation
Earthmoving projects
Mining operations
Quarry production
Infrastructure construction
Road construction
Industrial equipment operation
Designed for continuous heavy-duty service, this pulley helps improve engine efficiency, reduce maintenance frequency, and extend the lifespan of belts and related drive components.
Why Choose YLCM?
YLCM specializes in supplying genuine, OEM, and premium aftermarket replacement parts for Komatsu, Caterpillar, Cummins, Hitachi, Volvo, and other leading construction machinery brands.
We provide:
Genuine, OEM, and high-quality aftermarket Komatsu parts
Competitive factory-direct pricing
Strict quality inspection before shipment
Fast worldwide delivery
Professional export packaging
Technical support before and after sales
Extensive international export experience
One-stop sourcing for engine, hydraulic, transmission, electrical, and undercarriage components
In addition to pulleys, we also supply engine components, turbochargers, cooling system parts, hydraulic pumps, fuel system components, filters, seals, bearings, and a full range of Komatsu replacement parts.
Packaging & Shipping
Every 6151-61-3321 Pulley is professionally packaged to ensure safe international transportation.
Packaging options include:
Export-standard carton packaging
Reinforced wooden crate (available upon request)
Moisture-proof and anti-corrosion protection
Sea freight
Air freight
Express courier services
Multimodal logistics solutions
Each shipment is securely packed to minimize transportation risks and ensure the product arrives in excellent condition.
Request a Quote
Looking for the 6151-61-3321 Pulley for Komatsu PC400 / S6D125E?
Contact YLCM today to receive:
Latest quotation
Stock availability
Delivery lead time
Packing details
Shipping solutions
OEM part verification
Professional technical support
Our experienced sales team will respond promptly with competitive pricing and dependable service tailored to your equipment maintenance and replacement needs.
