Mobile Diesel Service uses a pair of Case IH/New Holland dual valve covers (PN 2830784) with matching breathers (PN 504069558) from the 3.9L Cummins 4BT engine to replace four of the six stock ...

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 ...