International Harvester

International Harvester 574

The International Harvester 574 is a utility tractor produced from 1970 to 1978. It was manufactured in Doncaster, England and Louisville, Kentucky, USA. The tractor features engine options including a 3.3L 4-cylinder gasoline engine and a 3.9L 4-cylinder diesel engine. It offers multiple transmission types such as an 8-speed partially synchronized, hydrostatic, and a 16-speed two-speed power shift. The tractor has a power output of approximately 67 hp and includes features like two-wheel drive, power steering, hydraulic wet disc brakes, and an open operator station with optional ROPS and cab. Hydraulics are open center type with 2500 psi pressure and 11.9 gpm pump flow. The tractor hitch is category II with position and draft control and a rear lift capacity of 3600 lbs. The PTO is independent with hydraulic wet disc clutch and offers 540 and optional 1000 RPM speeds. Dimensions include a wheelbase of 84.5 inches, length of 134 inches, and weight ranging from 4660 to 5150 pounds depending on configuration. Various front and rear tire sizes are available. Attachments include loaders such as the 1550, 1850, and 2050 models with detailed lift, breakout, and dimension specifications.
Power67 hp
Founded1970 - 1978
Model574

Technical Specifications

Detailed specifications and technical data for International Harvester 574

Power
Engine67 hp (50.0 kW)
Engine (net)64.7 hp (48.2 kW)
PTO (tested)52.97 hp (39.5 kW)
PTO (claimed)52 hp (38.8 kW)
Engine (gross)68 hp (50.7 kW)
Drawbar (tested)45.85 hp (34.2 kW)
Drawbar (claimed)45.1 hp (33.6 kW)
Engine
Power67 hp (50.0 kW)
Torque185 lb-ft (250.9 Nm)
OptionsInternational Harvester 3.3L 4-cyl gasoline; International Harvester 3.9L 4-cyl diesel
Fuel tank20.3 gal (76.8 L)
Rated RPM2200 (gear), 2400 (hydro)
Torque RPM1600
Air cleanertwo stage dry
Bore/Stroke3.875 x 5.06 inches (98 x 129 mm)
Compression12:1
Fuel systemdirect injection
Power (net)64.7 hp (48.2 kW)
Displacement238.6 ci (3.9 L)
Oil capacity9 qts (8.5 L)
Power (gross)68 hp (50.7 kW)
Starter volts12
Coolant capacity14.5 qts (13.7 L)
International Harvester C2003.3L 4-cylinder liquid-cooled natural gasoline engine
International Harvester D2393.9L 4-cylinder liquid-cooled diesel engine
General
OverviewThe International 574 is similar to the 2500 backhoe/industrial tractor.
FactoriesDoncaster, England; Louisville, Kentucky, USA
Original price$10,000 in 1978
Production years1970 - 1978
Electrical
Battery volts12
Charging amps28
Charging systemalternator
Hydraulics
Typeopen center
Pressure2500 psi (172.4 bar)
Pump flow11.9 gpm (45.0 lpm)
Mechanical
DriveTwo-wheel drive
BrakesHydraulic wet disc brakes
SteeringPower steering
Operator stationOpen operator station. Four-post ROPS and cab available.
Attachments
LoadersInternational Harvester 1550 loader; International Harvester 1850 loader; International 2050 loader
1550 Loader2305 lbs lift (full at pin) (1045 kg); 2750 lbs breakout (1247 kg); 45° rollback; 118 inches height (at pin) (299 cm); 90 inches clearance (dumped) (228 cm); boom cyl: 2 inches (5 cm); bucket cyl: 2.5 inches (6 cm); Bucket width: 40 inches (101 cm)
1850 Loader2300 lbs lift (full at pin) (1043 kg); 2800 lbs breakout (1270 kg); 14° rollback; 113 inches height (at pin) (287 cm); 92 inches clearance (dumped) (233 cm); weight: 925 lbs (419 kg); Bucket width: 50 inches (127 cm), 60 inches (152 cm)
2050 Loader3000 lbs lift (full at pin) (1360 kg); 4100 lbs breakout (1859 kg); 45° dump; 24 inches reach (dumped) (60 cm); 30° rollback (ground line); 125 inches height (at pin) (317 cm); 102 inches clearance (dumped) (259 cm); boom cyl: 2.5 inches (6 cm); boom rod: 1.5 inches (3 cm); bucket cyl: 2.5 inches (6 cm); bucket rod: 1.5 inches (3 cm); weight: 1420 lbs (644 kg); Bucket width: 49 inches (124 cm), 61 inches (154 cm), 70 inches (177 cm), 79 inches (200 cm)
Transmission
Types8-speed partially synchronized; hydrostatic; 16-speed two-speed power shift
Tractor hitch
Controlposition and draft control
Rear TypeII
Rear lift (at ends)3600 lbs (1632 kg)
Dimensions & Tires
Width64 inches (162 cm)
Length134 inches (340 cm)
Weight4660 to 5150 pounds
Rear tire11-36; 13-30; 14-30; 11-32; 12-38
Wheelbase84.5 inches (214 cm)
Front tire6.00-16; 5.50-16; 7.50-16
Rear tread52 to 76 inches (132 to 193 cm)
Front tread48 to 80 inches (121 to 203 cm)
Height (ROPS)89 inches (226 cm)
Ground clearance14.5 inches (36 cm)
Gas Shipping Weight4660 lbs (2113 kg)
Gas Operating Weight4835 lbs (2193 kg)
Diesel Shipping Weight4910 lbs (2227 kg)
Diesel Operating Weight5150 lbs (2336 kg)
Height (steering wheel)59.5 inches (151 cm)
Power Take-off (PTO)
Clutchhydraulic wet disc
Rear PTOindependent
Engine RPM540@1935; 1000@2200
Optional PTO540/1000 (1.375)
Rear PTO Type540 (1.375)