Note:The Sigma Power electronic fuel injection provides different power levels based on load. The engine is rated at 174 HP and increases to 189 HP with the 2nd or 3rd power shift gears are selected.
Type:intercooled turbocharged diesel
Model:Sisu Diesel 634 DSRAE
Torque:549.5 lb-ft (745.1 Nm)
Cylinders:6-cylinder
Fuel tank:43.6 gal (165.0 L)
Rated RPM:2100
Torque RPM:1400
Bore/Stroke:4.252x5.276 inches (108 x 134 mm)
Displacement:449.6 ci (7.4 L)
Maximum Power:189 hp (140.9 kW) Sigma Power
Power (gross):174 hp (129.8 kW)
Starter power:4.8 hp (3.6 kW)
Starter volts:12
Cooling system:liquid-cooled, viscous fan