Farm tractors Challenger

Challenger MT645B Engine

Challenger MT645B
Challenger MT645B

Engine

Engine Detail
Engine Sisu 74ETA
Fuel / induction turbocharged diesel
Cylinders / valves 6-cylinder 24-valve
Cooling / layout liquid-cooled vertical inline
Displacement449 ci
7.4 L
Bore/Stroke4.251x5.278 inches
108 x 134 mm
Power235 hp
175.2 kW
Air cleanerdual paper elements
Pre-heating1000W coolant heater (optional)
Compression17.5:1
Rated RPM2200
Starter volts12
Oil capacity20 qts
18.9 L
Coolant capacity35.6 qts
33.7 L

Values may vary by engine, transmission or configuration. View source page