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From 2010 to 2018, the sole diesel engine in the Thomas C2 was the Cummins ISB6.7; for 2018 production, the Detroit Diesel DD5 becomes an option. [7] The C2 comes standard with an Allison 2500 automatic transmission with an Allison 3000 automatic transmission as an option.
Transmission: Allison 1000, 2000, 3000 Series (HS, EVS, RDS, MH) ... with the Cummins B6.7 and L9 offered, depending on configuration. [1] In 2021, the MV Series was ...
Allison Transmission Holdings Inc. is an American manufacturer of commercial duty automatic transmissions and hybrid propulsion systems. Allison products are specified by over 250 vehicle manufacturers and are used in many market sectors, including bus, refuse, fire, construction, distribution, military, and specialty applications.
The Cummins uses a water to air after-cooler while the Series 60 uses an air to air after-cooler. [ 3 ] [ 4 ] The M915 has a Caterpillar 16 speed semi-automatic transmission, the M915A2 Allison HT-470 4-speed automatic.
A Cummins B6.7L diesel engine is used. It is a 6.7L turbocharged inline six-cylinder engine. It develops 220 to 300 horsepower (160 to 220 kW) and 560 to 660 pound force-feet (760 to 890 N⋅m) of torque. An Allison 6-speed transmissions is used. They are fully automatic planetary gear transmission with a lock-up torque converter.
Theoretically, a manual transmission was available, but almost all TC/2000s were supplied with an Allison AT-545 automatic transmission. When the TC/2000 RE was added in 1991, the Cummins C 8.3/ISC 8.3 and Allison MT-643 were added to the lineup; however, these were exclusive to the RE.
The model was made with the cooperation with Allison Transmission and Cummins, which already had been engaged in previous hybrid bus models in North America. The main part of the model is the Cummins ISLe4 engine with 8.9 litre displacement which generates 248 kW (340 HP) of power.
Allison MT643 4-speed automatic Allison MT644 4-speed automatic Allison HT740 4-speed automatic C-160D C-170D C-180D C-190D Cummins C-160 C-170 C-180 C-190 464 cu in (7.6 L) inline-6 1959–1974 (C160) 1959–1976 (C170/C180/C190) Rear Distinguished by roof-mounted external air intake (designed by Kenworth) 743D 743DT Cummins NHH