Cummins 6BT 12 Valve Engine: Specs, Problems, and Reliability
Cummins 6BT 12 Valve Engine: Specs, Problems, And Reliability : Cummins 6BT 12 Valve Engine
Cummins 6BT 12 Valve Engine: Specs, Problems, and Reliability. The Cummins 6BT is the most famous truck engine of the B series. The 5.9 l Cummins engine was the first diesel engine used in full-size pickup trucks as an alternative to the big V8 gasoline engines. The production was started in 1984. It was designed as an engine for Case agricultural equipment. In the future, the 6BT was widely used in light, medium, and some heavy-duty trucks and buses. The turbocharged 12 Valve Cummins engine found huge popularity in 1989-1998 model year Dodge Ram pickup trucks for a massive torque at low rpm and all engine speed range, and a better fuel mileage compare to Dodge's gasoline V8 engines.
The engine has the smaller brother using better fuel economy - 3.9 L 4BT engine. They both have the same architecture (inline engine) but a different amount of cylinders. The Cummins 6BT engine is inline six cylinders 5.9-liter turbocharged diesel engine (turbodiesel). The engine has a cast-iron engine block and cylinder head. The valvetrain is 12 valve OHV (2 valves per cylinder), solid tappets. In this order, the engine is called a 12-valve Cummins very often. There is a set of timing gears at the front end of the engine (no chains or belts).
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Title | Cummins 6BT 12 Valve Engine |
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Format | PNG |
Width | 317px |
Height | 273px |
URL | https://uscarsnew.com/wp-content/uploads/2023/09/Cummins-6BT-12-Valve-Engine.png |
Published Date | September 21, 2025 |
Latest Updated Date | September 21, 2025 |
Uploaded By | Karen R. Russell |
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