TM 5-2420-230-24-2
Engine Identification
B3.9 and B5.9 Series Engines
Page E-2
Section E - Engine Identification
Cummins Engine Nomenclature
The model name for engines in automotive applications
provides the data shown below. For example:
B (1) 3.9 (2) -105 (3)
1. Engine series
2. Displacement in liters
3. Rated horsepower.
The model name for engines in nonautomotive applica-
tions provides the data shown below. For example:
4 (1) B (2) T (3) A (4) 3.9 (5)
1. Number of cylinders
2. Engine series
3. Turbocharged
4. Aftercooled
5. Displacement in liters.
L-554