The International Harvester 284 is a 2WD or 4WD compact utility tractor manufactured by Komatsu in Japan for distributor International Harvester from 1976 to 1984.
The International Harvester 284 is equipped with one of two engines: a 1.2 L (71.3 cu·in) four-cylinder gasoline engine or a 1.6 L (99.0 cu·in) four-cylinder diesel engine and sliding gear transmission with 8 forward and 2 reverse gears and with dry disc clutch.
The tractor could be equipped with the following engines:
- Mazda M4-71G. It is a 1.2 L, 1,168 cm2, (71.3 cu·in) four-cylinder natural aspirated gasoline engine with 70.0 mm (2.76 in) of the cylinder bore and 76.0 mm (2.99 in) of the piston stroke. The compression ratio rating is 8.6:1. This engine produced 28.4 PS (20.9 kW; 28.0 HP) at 2,600 rpm of output power.
- Nissan. It is a 1.6 L, 1,622 cm2, (99.0 cu·in) four-cylinder natural aspirated diesel engine. The cylinder bore is 83.0 mm (3.27 in) and the piston stroke is 100.0 mm (3.94 in). This engine produced 30.5 PS (22.4 kW; 30.0 HP) at 2,600 rpm of output power.
The IH 284 is equipped with manual steering, hydraulic wet disc brakes, open operator station, or two-post ROPS with canopy (optional), and 33.0 liters (8.7 US gal.; 7.3 Imp. gal) fuel tank.
International Harvester 284 Specifications
| General Specifications | |
| Model | International Harvester 284 |
| Length | – |
| Width | 1,400 mm (55.1 in) |
| Height | 1,830 mm (72 in) |
| Wheel base | 1,740 mm (68.5 in) |
| Ground clearance | 350 mm (13.8 in) |
| Weight | 1,100 kg (2,425 lbs) |
| Fuel tank capacity | 33.0 liters (8.7 US gal.; 7.3 Imp. gal) |
| Battery | 12V |
| Cabin type | Open operator station or two-post ROPS with canopy (optional) |
| Engine | |
| Engine model | Mazda M4-71G |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Gasoline |
| Displacement | 1.2 L, 1,168 cm2, (71.3 cu·in) |
| Bore and stroke | 70.0 mm X 76.0 mm (2.76 in X 2.99 in) |
| Compression ratio | 8.6:1 |
| Horsepower | 28.4 PS (20.9 kW; 28.0 HP) at 2,600 rpm |
| Torque | 78.6 N·m (8 kg·m, 57.9 ft·lb) at 2,200 rpm |
| Starter | Electric |
| Oil capacity: | 3.0 L (3.2 US. qt, 2.6 Imp. qt.) |
| Coolant capacity: | 4.9 L (5.2 US. qt, 4.3 Imp. qt.) |
| Engine | |
| Engine model | Nissan |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 1.6 L, 1,622 cm2, (99.0 cu·in) |
| Bore and stroke | 83.0 mm X 100.0 mm (3.27 in X 3.94 in) |
| Horsepower | 30.5 PS (22.4 kW; 30.0 HP) at 2,600 rpm |
| Torque | 78.6 N·m (8 kg·m, 57.9 ft·lb) at 1,600 rpm |
| Starter | Electric |
| Oil capacity: | 4.9 L (5.2 US. qt, 4.3 Imp. qt.) |
| Coolant capacity: | 6.8 L (7.2 US. qt, 6 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Manual |
| Brakes | Hydraulic wet disc |
| Transmission model | – |
| Transmission type | Sliding gear with dry disc clutch |
| Gears | 8 forward and 2 reverse |
| Speed | Forward: 14.9 kmh (9.3 mph) Reverse: 10.0 (6.2 mph) |
| Transmission oil capacity | 12.9 L (3.4 US. gal, 2.8 Imp. gal.) |
| Tires | |
| Front tires | Ag: 5.00-15 (2WD), 7.00-16 (4WD) |
| Rear tires | Ag: 11.2-24 |
| Three-Point Hitch | |
| Caterogy | I |
| Control type | Position control |
| Lift capacity (at ends) | 910 kg (2,010 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Transmission |
| Rear PTO speed | 540/1,000 rpm |
| Hydraulic system | |
| Hydraulic type | – |
| Pressure | 1920 psi (132.4 bar) |
| Total flow | 6.0 gpm (22.7 lpm) |
What size is the 284 international mazda oil drain plug???