The big-block 400 and 440 V8s of the 1970s Dodge four-wheel drives.
10 vehicles: M1240 and M1240A1 M-ATV, M-ATV (2009–), M1245 SOCOM M-ATV, M1078 LMTV cargo (Oshkosh-built) and 6 more
What Oshkosh used, and when
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petrol diesel electric multi-fuel
The 12-litre Caterpillar six of the Marine Corps’ MTVR, 425 hp.
4 vehicles: MTVR MK23 / MK25 cargo, MTVR 6x6 (1999–), MTVR MK36 wrecker, MTVR United Kingdom (357, 2003–)
The 6.6-litre Duramax V8 of the Silverado HD; the 3.0-litre Duramax six is a different engine of the same name.
1 vehicle: JLTV A2 (AM General, 2023–)
The 7.2-litre Caterpillar six of the M-ATV and the Oshkosh-built FMTV.
10 vehicles: M1240 and M1240A1 M-ATV, M-ATV (2009–), M1245 SOCOM M-ATV, M1078 LMTV cargo (Oshkosh-built) and 6 more
Gale Banks’ 6.6-litre V8 turbodiesel, derived from the GM Duramax, in the JLTV.
5 vehicles: L-ATV / JLTV (2015–), JLTV M1278 Heavy Guns Carrier, JLTV M1279 Utility, JLTV M1280 General Purpose and M1281 Close Combat Weapons Carrier and 1 more
The rear-mounted Scania diesel of the Oshkosh Striker crash tenders; the registry’s sources do not state its capacity.
1 vehicle: Striker ARFF 4x4 and 6x6
The rear-mounted Deutz diesel offered in the Oshkosh Striker; capacity not stated in the sources consulted.
1 vehicle: Striker ARFF 4x4 and 6x6