Global automotive components manufacturer and distributor specializing in diesel engines, transmissions, axles, and spare parts, with operations spanning over 90 countries.
Cummins 6BTA5.9 High-Quality Replacement Base Engine Assembly
Robust 5.9L turbocharged inline-6 diesel engine – proven replacement for Komatsu 6D102 engines, delivering dependable power, torque, and efficiency across loaders, excavators, dozers, graders, rollers, generators, vehicles, and agricultural machinery.
Model: 6BTA5.9 (Base / Long Block Configuration)
Compatible Brand: Cummins Replacement
Supplier: Volgen Power
Product Details
This high-quality replacement 6BTA5.9 base engine is a durable 5.9-liter inline-6 diesel with turbocharging and aftercooling, known for strong low-end torque, fuel efficiency, and extended service life. The base/long block assembly includes the core block, crankshaft, pistons, camshaft, and internals – ready for customization or direct installation as a repower solution.
Volgen Power provides reliable replacement engines built to high standards, offering excellent compatibility and performance for equipment upgrades or rebuilds.
Key Features & Benefits
- Strong Low-End Torque → Ideal for heavy digging, loading, and grading tasks
- Fuel Efficient Operation → Turbocharged design reduces fuel consumption and operating costs
- Durable Construction → Heavy-duty components built for harsh environments and long intervals
- Easy Maintenance → Simple layout with wide parts availability and service support
- Versatile Ratings → Available in multiple power outputs to suit specific equipment needs
Wide-Ranging Applications
Extensively used in:
- Wheel Loaders
- Excavators
- Bulldozers (Dozers)
- Motor Graders
- Road Rollers
- Generator Sets (prime/standby power)
- Vehicle Market (trucks and specialty vehicles)
- Agricultural Machinery (tractors, harvesters)
Popular replacement for Komatsu equipment originally equipped with 6D102/SAA6D102E engines.
Technical Specifications
| Attribute | Details |
|---|---|
| Configuration | Inline 6-cylinder, 4-stroke diesel |
| Displacement | 5.9 L (359 cu in) |
| Bore × Stroke | 102 mm × 119 mm (4.02 in × 4.69 in) |
| Aspiration | Turbocharged & Aftercooled |
| Power Range | 130–260 hp (97–194 kW) depending on rating |
| Peak Torque | Up to 800 N•m (590 lb-ft) |
| Compression Ratio | 17.5:1 (typical) |
| Cooling | Water-cooled |
| Fuel System | Mechanical or electronic (rating dependent) |
Volgen Power is your trusted source for high-quality replacement engines. The 6BTA5.9 base engine is available in various configurations with worldwide shipping options.
Power your equipment with proven performance and reliability – contact us today for pricing, detailed ratings, or repower consultation. Get your quote now!
Send A Message
Meet us at the exhibition
bauma SHANGHAI 2026, November 24 -27
Booth No. N6.628








