There are two types of 4-cylinder diesel engines developed by Cummins: the 3.9-liter Cummins 4bt and the Cummins B3.3. The latter comes in five versions, ranging from 60 to 85 in horsepower. Cummins is an American business that builds, sells and services engines and other internal vehicle parts.
The 3.9-liter Cummins engine has a displacement of 239 cubic inches. It can achieve 105 horsepower at 2,300 rpm and torque of 265 pound-feet at 1,600 rpm. The B3.3 has a displacement of 199 cubic inches. Of the five versions, the B3.3-60 has 60 horsepower at 2,200 rpm and 158 pound-feet of torque at 1,600 rpm.