Komatsu 6D170 6D170-3 SA6D170E-3 engine assembly QSK23 diesel engine motor Komatsu D375A-5 bulldozer

Product Overview
We supply high-performance, complete diesel engine assemblies designed for heavy-duty bulldozer applications. This includes the Komatsu 6D170, 6D170-3, and SA6D170E-3 engine series, as well as the compatible Cummins QSK23 power unit. These fully assembled engines are engineered as direct, drop-in replacements to restore maximum power and reliability to your Komatsu D375A-5 bulldozer.

Compatible Engine Models
• Komatsu 6D170
• Komatsu 6D170-3
• Komatsu SA6D170E-3
• Cummins QSK23 (Suitable Alternative)

Compatible Machinery
• Komatsu D375A-5 Bulldozer

Product Specifications
• Type: Complete Diesel Engine Long Block Assembly
• Model: Komatsu 6D170 Series / Cummins QSK23
• Condition: New or Factory-Reconditioned Assembly
• Configuration: In-line 6-Cylinder, Turbocharged & Aftercooled

Key Features
✔️ Direct Replacement – Precision-engineered for the Komatsu D375A-5 bulldozer chassis
✔️ Complete Assembly – Includes long block, internal components, and mounting interfaces
✔️ High Torque Output – Delivers the power required for dozing, pushing, and ripping
✔️ Enhanced Durability – Built to withstand extreme loads, shocks, and continuous operation
✔️ Optimized Cooling & Lubrication – Designed for stable performance in high-temperature environments
✔️ Global Service Support – Backed by extensive parts and technical networks

Quality Assurance
• Manufactured to original Komatsu and Cummins engineering tolerances
• Critical systems pre-tested for performance and reliability
• Comprehensive quality control and run-in testing (where applicable)
• Supplied with necessary documentation and installation guidelines

Applications
• Komatsu D375A-5 bulldozer repowering and overhaul
• Mining, quarrying, and large-scale earthmoving projects
• Replacement for engines with major mechanical failure or high hours
• Fleet modernization and performance upgrades

Why Choose Our Engine Assembly
• Eliminates the cost and uncertainty of a component-level rebuild
• Significantly reduces equipment downtime with a ready-to-install solution
• Ensures factory-matched performance, fuel efficiency, and durability
• Suitable for both Komatsu OEM specifications and Cummins alternative power
• Supported by technical expertise for seamless integration