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Used Cummins 6BT 5.9 Engines for Sale

Tested used Cummins 6BT 5.9 engines with warranty coverage and nationwide freight.

The Cummins 6BT 5.9 is a 5.9 L (359 cu in) diesel engine with a inline-6, turbocharged configuration. Typical output is approximately 160–230 HP (varies by rating), depending on rating and application. Its fuel system is mechanical bosch inline injection (12-valve mechanical era). Common applications include dodge ram 2500/3500 pickups, medium-duty trucks, agricultural and industrial equipment, marine. The engines listed below are actual in-stock units identified by year and stock number. Each used Cummins 6BT 5.9 engine is inspected and tested before shipping, includes warranty coverage, and can ship nationwide with freight quoted to the destination ZIP code. Call (800) 696-5459 with the original vehicle or equipment details to confirm fitment.

Cummins 6BT 5.9 Engine Specifications

Displacement5.9 L (359 cu in)
ConfigurationInline-6, turbocharged
Power~160–230 HP (varies by rating)
Fuel SystemMechanical Bosch inline injection (12-valve mechanical era)
ControlsFully mechanical; no emissions electronics
Common UsesDodge Ram 2500/3500 pickups, medium-duty trucks, agricultural and industrial equipment, marine

What Uses the Cummins 6BT 5.9 Engine

Dodge Ram 2500/3500 pickups, medium-duty trucks, agricultural and industrial equipment, marine

Cummins 6BT 5.9 Fitment and Model Comparison

The 6BT 5.9 belongs to a specific Cummins engine family and should not be selected only by displacement or visual similarity. Compare the engine serial information, year, rating, electronics or fuel system, flywheel housing, mounts, oil pan, cooling package, and included accessories with the engine being replaced.

What to Check When Buying a Used Cummins 6BT 5.9

Confirm the engine identification and original application first. Review the listing photos and ask about testing, cold-start behavior where applicable, visible leaks, oil and coolant condition, included electronics, turbocharger or fuel-system components, flywheel housing, mounts, oil pan, and accessories. Warranty coverage is included, but call to review the terms for the specific stock number.

Cummins 6BT 5.9 Buying FAQ

How do I confirm a Cummins 6BT 5.9 engine fits?

Have the vehicle or equipment year, make, model, application, engine serial information, and listing stock number ready. Call (800) 696-5459 so the parts team can compare the exact engine and included components.

Is warranty coverage included with a used Cummins 6BT 5.9 engine?

Yes. The engine is inspected and tested before shipping and includes warranty coverage. Call to review the terms for the specific stock number before ordering.

Can a Cummins 6BT 5.9 engine ship nationwide?

Yes. Nationwide freight is available and quoted to the destination ZIP code. Call with the stock number and delivery location for a freight quote.

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