International Harvester industrial tractors

International Harvester 278

The International Harvester 278 is an industrial tractor produced from 1977 to 1984. It was built in Doncaster, England by International Harvester. The tractor is powered by a 4.0L 4-cylinder liquid-cooled diesel engine (model D-246) with a rated speed of 2400 RPM and a compression ratio of 15.5:1. Transmission options include an 8-speed syncromesh and a 16-speed two-speed power shift with a Torque Amplifier. The tractor features two-wheel drive and was part of a series including the 268 Hydro and the farm tractor 784 variant.
Power-
Founded-
Model278

Technical Specifications

Detailed specifications and technical data for International Harvester 278

Power
DriveTwo-wheel drive
Engine
Typediesel
ModelInternational Harvester D-246
Coolingliquid-cooled
Cylinders4-cylinder
Rated RPM2400
Air cleanerdry
Bore/Stroke3.94x5.06 inches (100 x 129 mm)
Displacement246 ci (4.0 L)
Oil capacity8.8 qts (8.3 L)
Coolant capacity14.4 qts (13.6 L)
Compression ratio15.5:1
Production
TypeIndustrial tractor
Built inDoncaster, England
ManufacturerInternational Harvester
Years produced1977 - 1984
Transmission
Options8-speed syncromesh, 16-speed two-speed power shift
Syncromesh Typesyncromesh
Power Shift Typetwo-speed power shift
Syncromesh Gears8 forward and 4 reverse
Syncromesh NotesFour synchronized gears in high, low, and reverse ranges.
Power Shift Gears16 forward and 8 reverse
Power Shift NotesThe Torque Amplifier (TA) provides a power shift (clutchless, on the move) from direct drive (DD) to a lower TA speed.
Syncromesh Clutchdry disc
Syncromesh Oil capacity36 qts (34.1 L)
Power Shift Oil capacity36 qts (34.1 L)