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Cummins Turbodiesel Timeline

Applicable Models:

1989 - 1993 Dodge D250, D350, W250, W350
1994 - 2010 Dodge Ram 2500, 3500
2011 - current Ram Trucks Ram 2500, 3500

Applicable Engine(s):

5.9L Cummins 6BT (12 valve)
5.9L Cummins ISB (24v)
6.7L Cummins ISB

5.9L, 6.7L Cummins Horsepower & Torque By Model Year

Model Year Horsepower Torque Notes
1989 160 hp @ 2,500 rpm 400 lb-ft @ 1,600 rpm Dodge introduces Cummins turbodiesel for 1989 model year.
1990 160 hp @ 2,500 rpm 400 lb-ft @ 1,600 rpm N/A
1991 160 hp @ 2,500 rpm 400 lb-ft @ 1,600 rpm Intercooler introduced for 1991 model year Ram pickups.
1992 160 hp @ 2,500 rpm 400 lb-ft @ 1,600 rpm N/A
1993 160 hp @ 2,500 rpm 400 lb-ft @ 1,600 rpm N/A
1994 Automatic 160 hp @ 2,500 rpm 400 lb-ft @ 1,500 rpm Bosch P7100 replaces VE44 injection pump.
Manual 175 hp @ 2,600 rpm 420 lb-ft @ 1,500 rpm
1995 Automatic 160 hp @ 2,500 rpm 400 lb-ft @ 1,500 rpm N/A
Manual 175 hp @ 2,600 rpm 420 lb-ft @ 1,500 rpm
1996 Automatic 180 hp @ 2,500 rpm 420 lb-ft @ 1,500 rpm N/A
Manual 215 hp @ 2,600 rpm 440 lb-ft @ 1,500 rpm
1997 Automatic 180 hp @ 2,500 rpm 420 lb-ft @ 1,500 rpm N/A
Manual 215 hp @ 2,600 rpm 440 lb-ft @ 1,500 rpm
1998 (5.9L 12v) Automatic 180 hp @ 2,500 rpm 420 lb-ft @ 1,500 rpm Last model year of production for the 12 valve Cummins.
Manual 215 hp @ 2,600 rpm 440 lb-ft @ 1,500 rpm
1998.5 (5.9L 24v) Automatic 215 hp @ 2,700 rpm 420 lb-ft @ 1,600 rpm 24 valve Cummins introduced mid-model year, replaces 12 valve.
Manual 235 hp @ 2,700 rpm 460 lb-ft @ 1,600 rpm
1999 Automatic 215 hp @ 2,700 rpm 420 lb-ft @ 1,600 rpm N/A
Manual 235 hp @ 2,700 rpm 460 lb-ft @ 1,600 rpm
2000 Automatic 215 hp @ 2,700 rpm 420 lb-ft @ 1,600 rpm N/A
Manual 235 hp @ 2,700 rpm 460 lb-ft @ 1,600 rpm
2001 Standard Output 235 hp @ 2,700 rpm 460 lb-ft @ 1,400 rpm High output Cummins introduced, NV5600 manual transmission only, not available with California emissions package.
High Output 245 hp @ 2,900 rpm 505 lb-ft @ 1,400 rpm
2002 Standard Output 235 hp @ 2,700 rpm 460 lb-ft @ 1,400 rpm N/A
High Output 245 hp @ 2,900 rpm 505 lb-ft @ 1,400 rpm
2003 Standard Output 235 hp @ 2,700 rpm 460 lb-ft @ 1,400 rpm Bosch High pressure common rail replaces VP44 injection pump.
High Output 305 hp @ 2,900 rpm 555 lb-ft @ 1,400 rpm
2004 Standard Output 305 hp @ 2,900 rpm 555 lb-ft @ 1,400 rpm N/A
California emissions 235 hp @ 2,700 rpm 460 lb-ft @ 1,400 rpm
High Output 325 hp @ 2,900 rpm 600 lb-ft @ 1,600 rpm
2005 325 hp @ 2,900 rpm 610 lb-ft @ 1,600 rpm N/A
2006 325 hp @ 2,900 rpm 610 lb-ft @ 1,600 rpm N/A
2007 (5.9L 24v) 325 hp @ 2,900 rpm 610 lb-ft @ 1,600 rpm Last production year of the 5.9L Cummins.
2007.5 (6.7L) Automatic 350 hp @ 3,013 rpm 650 lb-ft @ 1,500 rpm 6.7L Cummins introduced mid-model year as replacement for the 5.9L; meets stricter emissions regulations, diesel particulate filter (DPF) becomes standard equipment.
Manual 350 hp @ 3,013 rpm 610 lb-ft @ 1,500 rpm
2008 Automatic 350 hp @ 3,013 rpm 650 lb-ft @ 1,500 rpm N/A
Manual 350 hp @ 3,013 rpm 610 lb-ft @ 1,500 rpm
2009 Automatic 350 hp @ 3,013 rpm 650 lb-ft @ 1,500 rpm N/A
Manual 350 hp @ 3,013 rpm 610 lb-ft @ 1,500 rpm
2010 Automatic 350 hp @ 3,013 rpm 650 lb-ft @ 1,500 rpm N/A
Manual 350 hp @ 3,013 rpm 610 lb-ft @ 1,500 rpm
2011 Automatic 350 hp @ 3,000 rpm 650 lb-ft @ 1,500 rpm Cummins, Ram Trucks launch higher output, 800 lb-ft engine in February of the 2011 model year.
Manual 350 hp @ 3,000 rpm 610 lb-ft @ 1,500 rpm
Feb. 2011 + Build: 350 hp @ 3,000 rpm 800 lb-ft @ 1,600 rpm
2012 Automatic 350 hp @ 3,000 rpm 800 lb-ft @ 1,600 rpm N/A
Manual 350 hp @ 3,000 rpm 610 lb-ft @ 1,500 rpm
2013 G56 350 hp @ 2,800 rpm 660 lb-ft @ 1,500 rpm 3 versions of the Cummins available for 2013 model year; G56 manual, 68RFE, and Aisin transmissions. High Output (H.O.) model, Aisin transmission only available on Ram 3500 pickups. Selective catalytic reduction (SCR) requiring the use of diesel exhaust fluid (DEF) also becomes standard on all Cummins engines.
68RFE 370 hp @ 2,800 rpm 800 lb-ft @ 1,600 rpm
Aisin 385 hp @ 2,800 rpm 850 lb-ft @ 1,600 rpm
2014 G56 350 hp @ 2,800 rpm 660 lb-ft @ 1,500 rpm N/A
68RFE 370 hp @ 2,800 rpm 800 lb-ft @ 1,600 rpm
Aisin 385 hp @ 2,800 rpm 850 lb-ft @ 1,600 rpm
2015 G56 350 hp @ 2,800 rpm 660 lb-ft @ 1,500 rpm High Output (H.O.) Cummins mated to the Aisin transmission receives 15 lb-ft increase in torque output, remains available only on Ram 3500 models.
68RFE 370 hp @ 2,800 rpm 800 lb-ft @ 1,600 rpm
Aisin 385 hp @ 2,800 rpm 865 lb-ft @ 1,600 rpm
2016 G56 350 hp @ 2,800 rpm 660 lb-ft @ 1,500 rpm H.O. Cummins gains 35 lb-ft for 2016 model year, raising peak torque to 900 lb-ft. High Output engine only available in Ram 3500 model trucks and only available mated to Aisin AS69RC automatic transmission.
68RFE 370 hp @ 2,800 rpm 800 lb-ft @ 1,600 rpm
Aisin 385 hp @ 2,800 rpm 900 lb-ft @ 1,600 rpm
2017 G56 350 hp @ 2,800 rpm 660 lb-ft @ 1,500 rpm N/A - no significant changes
68RFE 370 hp @ 2,800 rpm 800 lb-ft @ 1,600 rpm
Aisin 385 hp @ 2,800 rpm 900 lb-ft @ 1,600 rpm
2018 G56 350 hp @ 2,800 rpm 660 lb-ft @ 1,500 rpm
68RFE 370 hp @ 2,800 rpm 800 lb-ft @ 1,700 rpm
Aisin 385 hp @ 2,800 rpm 930 lb-ft @ 1,700 rpm
2019 68RFE 370 hp @ 2,800 rpm 850 lb-ft @ 1,700 rpm H.O. Cummins gains 15 hp & 70 lb-ft, peaks at 1,000 lb-ft of torque. Standard Cummins gains 50 lb-ft, no horsepower change. Manual transmission no longer available.
Aisin 400 hp @ 2,800 rpm 1,000 lb-ft @ 1,800 rpm
2020 68RFE 370 hp @ 2,800 rpm 850 lb-ft @ 1,700 rpm N/A - no significant changes over previous model year
Aisin 400 hp @ 2,800 rpm 1,000 lb-ft @ 1,800 rpm
2021 - 2024 68RFE 370 hp @ 2,800 rpm 850 lb-ft @ 1,700 rpm H.O. Cummins gains 20 horsepower and 75 lb-ft of torque. Standard Cummins output remains at previous model year ratings. Cummins notably drops the Bosch CP4 injection pump in favor or the more reliable Bosch CP3.
Aisin 420 hp @ 2,800 rpm 1,075 lb-ft @1,800 rpm
More From Diesel Hub
5.9L Cummins 6BT Specs (12 valve)
5.9L Cummins ISB Specs (24 valve)
6.7L Cummins ISB Specs
5.9L Cummins 53 Block Information
12v Cummins KDP Information