International Harvester

International Harvester 284

The International Harvester 284 is a compact utility tractor built by Komatsu in Japan from 1976 to 1984. It was distributed by International Harvester and offered with either a Mazda 1.2L 4-cylinder gasoline engine or a Nissan 1.6L 3-cylinder diesel engine (available starting in 1981). The tractor features an 8-speed sliding gear transmission with dry disc clutch, manual steering, hydraulic wet disc brakes, and an open operator station with optional two-post ROPS and canopy. It has a 4x2 2WD drive with an optional 4x4 MFWD 4WD available after 1982 only with the diesel engine. The 284 offers a rear PTO with 540/1000 RPM options and a rear hitch with position control. It has a fuel capacity of 8.7 gallons and hydraulic system capacity of 3.4 gallons. The tractor weighs between 2050 and 2740 pounds depending on configuration and has standard agricultural tires for 2WD and 4WD versions, as well as lawn/turf tire options.
Power28 hp
Founded1976 - 1984
Model284

Technical Specifications

Detailed specifications and technical data for International Harvester 284

Power
Engine power30 hp (22.4 kW)
PTO (tested)27.47 hp (20.5 kW)
Drawbar (tested)21.98 hp (16.4 kW)
Drawbar (claimed)21 hp (15.7 kW)
Diesel PTO (claimed)27.4 hp (20.4 kW)
Gasoline PTO (claimed)25.8 hp (19.2 kW)
Tires
Lawn/turf rear13.6-16
Lawn/turf front20x8.00-10
2WD Standard tires (ag)Front: 5.00-15. Rear: 11.2-24
4WD Standard tires (ag)Front: 7.00-16. Rear: 11.2-24
Engine
Nissandiesel, 3-cylinder, liquid-cooled
Mazda Power28 hp (20.9 kW)
Mazda M4-71Ggasoline, 4-cylinder, liquid-cooled
Mazda Torque58 lb-ft (78.6 Nm)
Nissan Power30 hp (22.4 kW)
Nissan Torque65 lb-ft (88.1 Nm)
Engine optionsMazda 1.2L 4-cyl gasoline, Nissan 1.6L 3-cyl diesel
Mazda Rated RPM2600
Mazda Torque RPM2200
Nissan Rated RPM2600
Mazda Bore/Stroke2.756x2.992 inches (70 x 76 mm)
Mazda Compression8.6:1
Nissan Torque RPM1700
Mazda Displacement71.3 ci (1.2 L)
Mazda Oil capacity3.2 qts (3.0 L)
Nissan Bore/Stroke3.27x3.94 inches (83 x 100 mm)
Mazda Starter power1.07 hp (0.8 kW)
Mazda Starter volts12
Nissan Displacement99 ci (1.6 L)
Nissan Oil capacity5.2 qts (4.9 L)
Nissan Starter volts12
Mazda Coolant capacity5.2 qts (4.9 L)
Nissan Coolant capacity7.2 qts (6.8 L)
Nissan Diesel availabilityAvailable in 1981
Weight
Ballasted3600 lbs (1632 kg)
4WD Shipping2657 lbs (1205 kg)
Gas Shipping2050 lbs (929 kg)
Gas Operating2430 lbs (1102 kg)
Diesel Shipping2270 lbs (1029 kg)
Diesel Operating2740 lbs (1242 kg)
Capacity
Fuel8.7 gal (32.9 L)
Hydraulic system3.4 gal (12.9 L)
Dimensions
Width55.5 inches (140 cm)
Length104.3 inches (264 cm), 118.7 inches (301 cm) with 3-point
Wheelbase68.6 inches (174 cm)
Ground clearance13.8 inches (center) (35 cm)
Height (exhaust)72.2 inches (183 cm)
Clearance (front axle)16.9 inches (42 cm)
Height (steering wheel)55.9 inches (141 cm)
Electrical
Groundnegative
Battery volts12
Charging systemalternator
Gas Charging amps35
Diesel Charging amps20
Hydraulics
Capacity3.4 gal (12.9 L)
Pressure1920 psi (132.4 bar)
Total flow6 gpm (22.7 lpm)
Mechanical
Drive4x2 2WD, 4x4 MFWD 4WD (Optional after 1982, available only with the diesel engine)
BrakesHydraulic wet disc brakes
SteeringManual steering
Operator stationOpen operator station. Optional two-post ROPS with canopy.
Production
TypeCompact Utility tractor
Built inJapan
DistributorInternational Harvester
ManufacturerKomatsu
Original price$5,000 in 1984
Production years1976 - 1984
Transmission
Typesliding gear
Gears8 forward and 2 reverse
NotesFour gears plus reverse with high and low ranges.
Clutchdry disc
Oil capacity13.6 qts (12.9 L)
Tractor hitch
Controlposition control
Rear TypeI
Rear lift (at ends)2000 lbs (907 kg)
Power Take-off (PTO)
Rear PTOtransmission
Engine RPM540@2160, 1000@2408
Rear PTO Type540/1000 (1.375)