Cummins 6BT Engine Genuine Parts

5.9L 12 Valve Diesel Engine Block for Cummins 6BT – High-Performance Powertrain Solution for Heavy-Duty Vehicles

This premium 5.9L 12 Valve diesel engine block is engineered specifically for Cummins 6BT applications in popular models such as Dodge Ram, Komatsu PC200-6 and PC200-7 excavators, delivering unmatched compatibility, durability, and performance. Whether you're restoring a classic diesel truck or upgrading heavy machinery, this Bare Engine component ensures seamless integration without compromising on power output or reliability.

Designed with precision manufacturing standards, the cylinder block features robust internal geometry optimized for high-pressure combustion, ensuring consistent torque delivery across various load conditions. With a powerful output range of 160–215 horsepower and peak torque between 542–597 N·m, it supports demanding operations in construction, agriculture, and commercial transport sectors. The design incorporates advanced thermal management properties to reduce wear and enhance longevity under continuous operation.

Key Features:

• Direct OEM fitment for Cummins 6BT engines used in Dodge Ram trucks and Komatsu PC200 series equipment
• Manufactured using CNC-machined precision components for accurate bore alignment and minimal clearance
• 100% functional testing before shipment—guaranteed brand new condition and full operational readiness
• 24-month manufacturer-backed warranty for peace of mind and long-term value
• Engine block tested under simulated real-world loads to verify structural integrity and sealing performance

The 5.9L 12 Valve diesel engine block serves as a complete foundation for rebuilding or replacing worn-out power units. It includes all necessary mounting surfaces, coolant passages, oil galleries, and cylinder liner interfaces required for a full engine assembly. Compatible with both manual and automatic transmission setups, it offers flexibility for mechanics and technicians working on diesel-powered vehicles requiring reliable replacement parts. This unit is ideal for professionals seeking an upgrade path from older 6BT variants to improved efficiency while maintaining compatibility with existing vehicle systems.

Use Cases:

• Heavy-duty truck restoration projects involving Cummins-powered Dodge Ram models
• Excavator maintenance and repair for Komatsu PC200-6/7 machines
• Aftermarket engine rebuilds where OEM-level quality is essential
• Commercial fleet operators looking to extend service life through high-quality cylinder blocks

Customer Feedback:

“This engine block made my 2003 Dodge Ram 2500 feel like new again. No leaks, smooth idle, and excellent fuel economy compared to the old one.” — John M., USA

“Installed in a Komatsu PC200-7 excavator after a major overhaul. Performance matches factory specs, and the build quality exceeded expectations.” — David L., Canada

Frequently Asked Questions:

Is this compatible with other Cummins models besides the 6BT? While designed primarily for the 6BT family, some users have successfully adapted it into similar displacement configurations—but verification against specific model year specifications is recommended.

What tools are needed for installation? Standard engine hoist, torque wrench, gasket scraper, and basic hand tools are sufficient for most installations. A compression tester may be helpful for final diagnostics post-installation.

Does it come with gaskets or seals? No, but we recommend using OEM-grade gasket kits for optimal sealing performance during reassembly.

How does this compare to remanufactured options? Unlike remanufactured blocks that may have unknown prior usage history, this is a brand-new cylinder block with documented production batch details and full quality assurance protocols.