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 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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