Options:International Harvester 5.1L 6-cyl diesel, International Harvester 4.8L 6-cyl gasoline
Rated RPM:2400
Air cleaner:dual dry element with unloader
Bore/Stroke:3.875x4.410 inches (98 x 112 mm)
Compression:17:1
Notes D-310:The D-310 diesel was used on the Hydro 86, replacing the 312, during production in 1979.
Displacement:312 ci (5.1 L)
Starter volts:12
Rated RPM D-310:2400
Air cleaner D-310:dry
Bore/Stroke D-310:3.875x4.375 inches (98 x 111 mm)
Compression D-310:15.1:1
Displacement D-310:310 ci (5.1 L)
Rated RPM gasoline:2400
Air cleaner gasoline:dual stage dry with dust unloader
Bore/Stroke gasoline:3.75x4.39 inches (95 x 112 mm)
Compression gasoline:7.5:1
Displacement gasoline:290.8 ci (4.8 L)
Starter volts gasoline:12
International Harvester gasoline:6-cylinder, liquid-cooled
International Harvester D-310 diesel:6-cylinder, liquid-cooled
International Harvester D-312 diesel:6-cylinder, liquid-cooled