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Cummins 4BTA3.9 Engine Overivew
B-SERIES
Small engines - big possibilities.
Small, light and economical, Cummins B-Series engines include a direct fuel injection for a cleaner, quieter, more fuel-efficient performance and offer outstanding value in terms of installation, simplicity and servicing, with valve clearance checks not required until 2,000 hours twice the industry standard.
All the engines in Cummins B series perform well under severe duty cycles and offer excellent fuel consumption, substantial cooling capability, low noise, low weight, and high power output per liter, for first class reliability.
The B series engine family is intended for multiple applications on and off-highway, light-duty, and medium-duty. In the
automotive industry, it is best known for its use in school buses, public service buses in the United Kingdom, and Dodge/Ram pickup trucks.
3.9L- 4B / 4BT / 4BTA/ 4BTAA , 4 Cylinders, diesel engine
4.5L- ISB/ QSB, 4 Cylinders, diesel engine
5.9L- 6B/ 6BT/ 6BTA/ ISB, 6 Cylinders, diesel engine
6.7L- ISB / B6.7N, 6 Cylinders, diesel engine, Natural Gas engine
| | Item | |
| | Engine Model | 4BTA3.9-C125 CPL1963 |
| | Displacement | 3.9L |
| | Cylinder | 4 cylinders |
| | Valve | 16 valves |
| | Cold Style | Water- cooled |
| | Start | Electric Start |
| | Maximum Power | 97KW |
| | Type | Inline 4 cylinders, water-cooled, four strokes |
| | Bore x Stroke | 102*120mm |
| | Aspirstion | charged, inter-cooled |
| | Rated speed（rpm） | 2500 |
Additional ratings may be available. Check with Qingbang.
Cummins 4BTA3.9 Engine Ratings
| | Rated Powder/ Speed (HP/KW@RPM) | Peak Torque (Nm@RPM) |
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