The International Harvester 674 is a 2WD utility tractor manufactured by International Harvester in Doncaster, England from 1973 to 1977.
The International Harvester 674 is equipped with one of two engines: a 3.9 L (239.0 cu·in) four-cylinder diesel engine or a 3.3 L (200.3 cu·in) four-cylinder gasoline engine and a gear-type transmission with 8 forward and 4 reverse gears and dry disc clutch.
The tractor could be equipped with the following engines:
- International Harvester D239. It is a 3.9 L, 3,916 cm2, (239.0 cu·in) four-cylinder natural aspirated diesel engine with 98.0 mm (3.86 in) of the cylinder bore and 129.0 mm (5.08 in) of the piston stroke. The compression ratio rating is 16:1.
- International Harvester C200. It is a 3.3 L, 3,282 cm2, (200.3 cu·in) four-cylinder natural aspirated gasoline engine. The cylinder bore is 97.0 mm (3.82 in) and the piston stroke is 112.0 mm (4.41 in). The compression ratio rating is 7.3:1.
The IH 674 is equipped with hydrostatic power steering, hydraulic wet disc brakes, open operator station, and 75.7 liters (20 US gal.; 16.7 Imp. gal) fuel tank.
International Harvester 674 Specifications
| General Specifications | |
| Model | International Harvester 674 |
| Length | 3,420 mm (134.6 in) |
| Width | – |
| Height | 2,310 mm (90.9 in) |
| Wheel base | 2,140 mm (84.3 in) |
| Ground clearance | – |
| Weight (operating) | 2,560 kg (5,644 lbs) |
| Fuel tank capacity | 75.7 liters (20 US gal.; 16.7 Imp. gal) |
| Battery | 12V |
| Cabin type | Open operator station |
| Engine | |
| Engine model | International Harvester D239 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 3.9 L, 3,916 cm2, (239.0 cu·in) |
| Bore and stroke | 98.0 mm X 129.0 mm (3.86 in X 5.08 in) |
| Compression ratio | 16:1 |
| Horsepower | – |
| Starter | Electric |
| Engine | |
| Engine model | International Harvester C200 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Gasoline |
| Displacement | 3.3 L, 3,282 cm2, (200.3 cu·in) |
| Bore and stroke | 97.0 mm X 112.0 mm (3.82 in X 4.41 in) |
| Compression ratio | 7.3:1 |
| Horsepower | – |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Hydrostatic power |
| Brakes | Hydraulic wet disc |
| Transmission model | – |
| Transmission type | Gear type with dry disc clutch |
| Gears | 8 forward and 4 reverse |
| Speed | Forward: 32.3 kmh (20.1 mph) Reverse: 11.0 (6.8 mph) |
| Tires | |
| Front tires | Ag: 7.50-16 |
| Rear tires | Ag: 16.9-30 |
| Three-Point Hitch | |
| Category | II |
| Control type | – |
| Lift capacity (at ends) | 1,800 kg (3,970 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 540 rpm |
| Hydraulic system | |
| Hydraulic type | – |
| Pump flow | 13.0 gpm (49.2 lpm) |
Anyone ever change the clutch and pressure plate.on the diesel.