Cummins’ 5.9L diesel engines have many wonderful traits, from the simplicity of their design to the durability and reliability of their internal components. How ...

Cummins 4BT diesel engines built prior to 1998 made 105 hp and 265 lb-ft of torque. Those made after 1998 are known as 4BTA Cummins engines. Thanks to upgrades present in the 4BTA, horsepower ...

Cummins introduced the 105-hp 4BT (4-cylinder, B-series, Turbocharged) in 1983. The original design, closely related to the legendary 5.9L 6BT Cummins, featured two valves (intake and exhaust) for ...