6.7L Cummins
The 6.7 L Cummins is the latest in the B-series engines, introduced mid year in 2007. Rated at 350 HP & 650 lb-ft, it is also the most powerful B-series ever offered. The 5.9 ISB was replaced by the 6.7 to meet strict new diesel emission requirements. To meet such requirements, the 6.7 is equipped with an EGR (exhaust gas recirculation) system, a variable geometry turbocharger (VGT), and a diesel particulate fitler designed to reduce diesel particulate matter by more than 90 percent. A new, higher-pressure version of the Bosch direct injection system is used.
6.7L Specifications:
Displacement: |
409 cubic inches, 6.7 liters |
Configuration: |
Inline 6 cylinder |
| Firing Order: | 1-5-3-6-2-4 |
Compression Ratio: |
17.3:1 |
Bore: |
4.21 inches |
Stroke: |
4.88 inches |
Injection: |
Direct injection: Electronically controlled Bosch high pressure common rail; 26,000 psi max. |
Aspiration: |
Variable geometry turbocharger |
Valvetrain: |
OHV, 4 valves per cylinder, solid lifter camshaft |
Oil Capacity: |
12 quarts |
Weight: |
Approx. 1050 lbs dry |
Horsepower: |
350 HP @ 3,013 RPM |
Torque: |
650 lb-ft @ 1,500 RPM w/auto trans 610 lb-ft @ 1,500 RPM w/manual trans |
6.7L Cummins Info:
- Unlike the 5.9L Rams, manual transmission equipped 6.7L Rams have less torque output than the automatic equipped 6.7L Rams.
- The 6.7L maintains peak torque between 1,500 & 2,800 RPM.
- 40 % of the 5.9L Cummins' engine parts were carried over to the 6.7L Cummins.
- The 6.7 features an integrated exhaust brake direct from the factory, which improves safety and vehicle control while towing.
- 6.7 fuel injection system lowers noise, vibration, emissions, and increases fuel ecomony (in comparison to the 5.9 ISB).
- 6.7L Meets strict NOx emission requirements for 2010 3 years in advance.
- Standard emission equipment includes a diesel particulate filter & exhaust gas recirculation system.
- Designed to safely run on B5 biodiesel.
6.7L Cummins Specs