Introduction
International Harvester 574 Utility Tractor
The International Harvester 574 is a utility tractor produced between 1970 and 1978. Designed for versatility in agricultural and industrial environments, it served as a reliable workhorse within the International Harvester product line during the 1970s.
Engine and Performance
The tractor is powered by the International Harvester D239, a 3.9-liter, 4-cylinder liquid-cooled diesel engine. It utilizes a direct injection fuel system, producing a net power of 64.7 hp (48.2 kW) and a gross power of 68 hp (50.7 kW). The engine is designed to operate at a rated speed of 2200 RPM for gear models, providing 185 lb-ft of torque.
Transmission Options
The 574 features multiple transmission configurations to suit operational requirements. The standard model includes an 8-speed partially synchronized transmission with a hydraulic wet disc clutch. Optional configurations include a 16-speed transmission equipped with a two-speed Torque Amplifier power shift, as well as a hydrostatic transmission, the latter being more common in European markets.
Hydraulics and Hitch
The machine employs an open-center hydraulic system with a pump flow capacity of 11.9 gpm (45.0 lpm) and a system pressure of 2500 psi (172.4 bar). The rear Category II hitch is equipped with both position and draft control, offering a lift capacity of 3600 lbs (1632 kg) at the ends, allowing for the operation of various mounted implements.
Mechanical and Operator Interface
The tractor is built on a two-wheel-drive chassis featuring power steering and hydraulic wet disc brakes for operator control. The standard configuration includes an open operator station, though four-post ROPS or a full cab were available as options. The wheelbase measures 84.5 inches, providing a stable footprint for utility tasks.
Conclusion
The International Harvester 574 is a robust utility tractor suited for general agricultural operations and light industrial work. Its diverse transmission options and reliable engine design make it a versatile choice for operators requiring a balance of power and maneuverability.
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Production Information of International Harvester, 574
- Original price was $10,000 in 1978
- Utility tractor
- The International 574 is similar to the 2500 backhoe/industrial tractor.
| Manufacturer | International Harvester |
|---|---|
| Manufacturer(optional) | Louisville, Kentucky, USA |
| Factories | Doncaster, England |
Dimension and Tires Information of International Harvester, 574
| Front tread | 48 to 80 inches [121 to 203 cm] |
|---|---|
| Wheelbase | 84.5 inches [214 cm] |
| Height (ROPS) | 89 inches [226 cm] |
| Height (steering wheel) | 59.5 inches [151 cm] |
| Length | 134 inches [340 cm] |
| Rear tread | 52 to 76 inches [132 to 193 cm] |
| Ground clearance | 14.5 inches [36 cm] |
| Width | 64 inches [162 cm] |
| Ag front | 6.00-16 |
|---|---|
| Ag rear | 13-30 |
| Ag rear(optional) | 7.50-16 |
| Ag rear | 11-36 |
| Ag rear(optional) | 12-38 |
| Ag rear(optional) | 14-30 |
| Ag front | 5.50-16 |
Engine Specifications of International Harvester, 574
- International Harvester D239
- Liquid-cooled
- Diesel
- 4-cylinder
| Starter volts | 12 |
|---|---|
| Torque RPM | 1600 |
| Power (gross) | 68 hp [50.7 kW] |
| Oil capacity | 9 qts [8.5 L] |
| Air cleaner | Two stage dry |
| Compression | 12:1 |
| Fuel system | Direct injection |
| Displacement | 238.6 ci [3.9 L] |
| Power (net) | 64.7 hp [48.2 kW] |
| Bore/Stroke | 3.875x5.06 inches [98 x 129 mm] |
| Torque | 185 lb-ft [250.9 Nm] |
| Coolant capacity | 14.5 qts [13.7 L] |
| Coolant capacity(optional) | 2400 (hydro) |
| Rated RPM | 2200 (gear) |
Transmission Information of International Harvester, 574
Transmission variants 1
- Four synchronized gears (1-4) in low, high, and reverse ranges.
| Type | Partially synchronized |
|---|---|
| Gears | 8 forward and 4 reverse |
| Clutch | 280mm dry disc |
Transmission variants 2
- The hydrostatic model 574 was uncommon in North America, most were sold in the European market.
| Type | Hydrostatic |
|---|---|
| Gears | Infinite forward and reverse |
Transmission variants 3
| Transmission | Torque Amplifier |
|---|---|
| Type | Two-speed power shift. |
| Gears | 16 forward and 8 reverse |
- 8-speed partially synchronized
- Hydrostatic
- 16-speed two-speed power shift.
Mechanical Specs of International Harvester, 574
- Two-wheel drive
- Open operator station. Four-post ROPS and cab available.
- Power steering
- Hydraulic wet disc brakes
Power Information of International Harvester, 574
| Rear PTO | Independent |
|---|---|
| Engine RPM | 540@1935 |
| Engine RPM(optional) | 540/1000 (1.375) |
| Clutch | Hydraulic wet disc |
| Clutch(optional) | 1000@2200 |
| Rear PTO Type | 540 (1.375) |
Hydraulics Specifications of International Harvester, 574
| Type | Open center |
|---|---|
| Pressure | 2500 psi [172.4 bar] |
| Pump flow | 11.9 gpm [45.0 lpm] |
Three-Point Hitch of International Harvester, 574
| Rear Type | II |
|---|---|
| Control | Position and draft control |
| Rear lift (at ends) | 3600 lbs [1632 kg] |
Electrical System of International Harvester, 574
| Charging system | Alternator |
|---|---|
| Charging amps | 28 |
| Battery volts | 12 |
Where it sits
With 67 HP, the International Harvester 574 sits between 674 (65 HP) and 684 (69 HP) in International Harvester's range. Its power puts it in the 48th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the International Harvester 574 have?
The International Harvester 574 delivers 67 HP.
What years was the International Harvester 574 produced?
The International Harvester 574 was produced in 1970-1978.
What engine does the International Harvester 574 have?
The International Harvester 574 is powered by a Diesel, 4-cylinder engine.
What transmission does the International Harvester 574 use?
The International Harvester 574 uses a Partially synchronized transmission.
Is the International Harvester 574 4WD?
The International Harvester 574 is available in 2WD.