TM 9-2320-209-10-1 Table 2-7. Shifting Speeds in Mph Transmission Transfer Low Transfer High 1st gear 2nd gear 3rd gear 4th gear 5th gear Reverse 5 8 14 22 28 5 Table 2-8. Engine and Radiator Data Attribute Cylinders (in-line) Brake horsepower Ignition system Firing order Cooling Thermostat: Start to open Fully open 9 16 27 44 56 9 Specification 6 126-140 (gross at 2,600 rpm) Compression 1-5-3 -6-2-4 Liquid 180° F 200° F 2-26