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In a sense, displacement is where the similarities between these 2 diesels end. Since Ford and Dodge are offering very different diesels of the same displacement, we thought it may be interesting to see how these 2 compare side by side.
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| Manufacturer: | Cummins | Ford Motor Company |
| Displacement: | 6.7L, 409 cubic inches | 6.7L, 409 cubic inches |
| Configuration: | Inline 6 cylinder diesel | V8 cylinder diesel |
| Bore x Stroke: | 4.21 in x 4.88 in | 3.90 in x 4.25 in |
| Material: | - cast iron engine block - cast iron cylinder heads |
- Compact graphite iron (CGI) engine block - Aluminum cylinder heads |
| Injection: | Bosch high pressure common rail | High pressure common rail |
| Turbocharger: | Single variable geometry turbocharger (VGT) | DualBoost single sequential turbocharger |
| Horsepower: | 350 HP @ 3,013 rpm | 400 HP @ 2,800 rpm |
| Torque: | 800 lb-ft @ 1,600 rpm | 800 lb-ft @ 1,600 rpm |
| Engine Weight: | 1050 lbs (dry) | 990 lbs (dry) |
| Emissions Equipment: | - Exhaust gas recirculation - Diesel particulate filter w/ active regeneration |
- Exhaust gas recirculation |
| Alternative Fuels: | B5 biodiesel compatible | B20 biodiesel compatible |
| Advantages: | - Does not utilize urea injection (SCR) to meet emissions regulations like the Power Stroke does. Refilling the exhaust fluid tank can be inconvenient. - Offered with a manual transmission. - Proven reliability of a Cummins diesel. |
- 6.7L Power Stroke maintains peak torque from 1,600 - 2,800 rpm. - Use of urea injection (SCR) helps make the emissions equipment operate more efficiently, boosting the fuel economy up to 20%. Additionally, the cost or DEF (urea, diesel exhaust fluid) is offset by the savings accumulated by lower fuel consumption. |
| Disadvantages: | - Fuel economy suffers due to the use of active regeneration. Cummins does not utilize SCR like Ford/GM to increase fuel economy. - Manual transmission equipped trucks will have significantly lower output (800 lb-ft is only available with automatic transmission). |
- Not offered with a manual transmission. - Ford's first in house built Power Stroke - most speculate the engine is a winner, but only time will tell. |
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