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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.
International Harvester 284IH 284compact utility tractortractor specsMazda engineNissan diesel8-speed transmission4x24x4PTOhydraulic systemtractor dimensions
Power28 hp
Founded1976 - 1984
Model284

Technical Specifications

Detailed specifications and technical data for International Harvester 284

Power

Engine power:30 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 rear:13.6-16
Lawn/turf front:20x8.00-10
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

Nissan:diesel, 3-cylinder, liquid-cooled
Mazda Power:28 hp (20.9 kW)
Mazda M4-71G:gasoline, 4-cylinder, liquid-cooled
Mazda Torque:58 lb-ft (78.6 Nm)
Nissan Power:30 hp (22.4 kW)
Nissan Torque:65 lb-ft (88.1 Nm)
Engine options:Mazda 1.2L 4-cyl gasoline, Nissan 1.6L 3-cyl diesel
Mazda Rated RPM:2600
Mazda Torque RPM:2200
Nissan Rated RPM:2600
Mazda Bore/Stroke:2.756x2.992 inches (70 x 76 mm)
Mazda Compression:8.6:1
Nissan Torque RPM:1700
Mazda Displacement:71.3 ci (1.2 L)
Mazda Oil capacity:3.2 qts (3.0 L)
Nissan Bore/Stroke:3.27x3.94 inches (83 x 100 mm)
Mazda Starter power:1.07 hp (0.8 kW)
Mazda Starter volts:12
Nissan Displacement:99 ci (1.6 L)
Nissan Oil capacity:5.2 qts (4.9 L)
Nissan Starter volts:12
Mazda Coolant capacity:5.2 qts (4.9 L)
Nissan Coolant capacity:7.2 qts (6.8 L)
Nissan Diesel availability:Available in 1981

Weight

Ballasted:3600 lbs (1632 kg)
4WD Shipping:2657 lbs (1205 kg)
Gas Shipping:2050 lbs (929 kg)
Gas Operating:2430 lbs (1102 kg)
Diesel Shipping:2270 lbs (1029 kg)
Diesel Operating:2740 lbs (1242 kg)

Capacity

Fuel:8.7 gal (32.9 L)
Hydraulic system:3.4 gal (12.9 L)

Dimensions

Width:55.5 inches (140 cm)
Length:104.3 inches (264 cm), 118.7 inches (301 cm) with 3-point
Wheelbase:68.6 inches (174 cm)
Ground clearance:13.8 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

Ground:negative
Battery volts:12
Charging system:alternator
Gas Charging amps:35
Diesel Charging amps:20

Hydraulics

Capacity:3.4 gal (12.9 L)
Pressure:1920 psi (132.4 bar)
Total flow:6 gpm (22.7 lpm)

Mechanical

Drive:4x2 2WD, 4x4 MFWD 4WD (Optional after 1982, available only with the diesel engine)
Brakes:Hydraulic wet disc brakes
Steering:Manual steering
Operator station:Open operator station. Optional two-post ROPS with canopy.

Production

Type:Compact Utility tractor
Built in:Japan
Distributor:International Harvester
Manufacturer:Komatsu
Original price:$5,000 in 1984
Production years:1976 - 1984

Transmission

Type:sliding gear
Gears:8 forward and 2 reverse
Notes:Four gears plus reverse with high and low ranges.
Clutch:dry disc
Oil capacity:13.6 qts (12.9 L)

Tractor hitch

Control:position control
Rear Type:I
Rear lift (at ends):2000 lbs (907 kg)

Power Take-off (PTO)

Rear PTO:transmission
Engine RPM:540@2160, 1000@2408
Rear PTO Type:540/1000 (1.375)

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