International Harvester 4568

The International Harvester 4568 is a tractor produced by International Harvester. It is equipped with a 798 ci 13.1 L engine. The rated power output is 300 hp 223.7 kW. Transmission: 10 forward and 2 reverse. Operating weight: 21900 lbs 9933 kg.

Overview

	1975 - 1976 66 SeriesFour-wheel Drive (4WD) tractorSteiger built
1975 - 1976
66 Series
Four-wheel Drive (4WD) tractor
Steiger built

1975 - 1976
66 Series
Four-wheel Drive (4WD) tractor
Steiger built

Production
Distributor	International Harvester
Manufacturer	Steiger
Four-wheel Drive (4WD) tractor
Built in Fargo, North Dakota, USA
Total built	858
Original price was $48,500 in 1976

International Harvester 4568 Engine
International Harvester 13.1L 8-cyl diesel
Engine details ...

International Harvester 4568 Transmission
10-speed continuous mesh
Transmission details ...

International Harvester 4568 Power
Engine	300 hp 223.7 kW
Drawbar (claimed)	235 hp 175.2 kW
Drawbar (tested)	228.01 hp 170.0 kW
Performance test details ...

Mechanical
Four-wheel drive
Articulated power steering
Hydraulic disc brakes
Cab standard with air-conditioning.

Hydraulics
Type	open center
Pump flow	17 gpm 64.3 lpm
Steering flow	22 gpm 83.3 lpm

Dimensions & Tires
Wheelbase	118 inches 299 cm
Weight	21900 lbs 9933 kg
Front tire	24.5-32
Rear tire	24.5-32
Full dimensions and tires ...

Electrical
Charging system	alternator
Batteries	2
Battery volts	12

References
New 4568 Turo Tractor published in 1975, by International Harvester

Engine

	1975 - 1976 66 SeriesFour-wheel Drive (4WD) tractorSteiger built
1975 - 1976
66 Series
Four-wheel Drive (4WD) tractor
Steiger built

1975 - 1976
66 Series
Four-wheel Drive (4WD) tractor
Steiger built

Engine Detail — 798 ci / 13.1 L Diesel

Manufacturer	International Harvester DVT-800
Configuration	turbocharged diesel, 8-cylinder, liquid-cooled V8
Displacement	798 ci 13.1 L
Bore/Stroke	5.31x4.50 inches 135 x 114 mm
Power	300 hp 223.7 kW
Rated RPM	2600
Torque	825 lb-ft 1118.7 Nm
Torque RPM	1800
Starter volts	12

Transmission

	1975 - 1976 66 SeriesFour-wheel Drive (4WD) tractorSteiger built
1975 - 1976
66 Series
Four-wheel Drive (4WD) tractor
Steiger built

1975 - 1976
66 Series
Four-wheel Drive (4WD) tractor
Steiger built

Transmission — 10 forward and 2 reverse continuous mesh

Type	continuous mesh
Gears	10 forward and 2 reverse
Clutch	355.6mm dry discs

Dimensions

	1975 - 1976 66 SeriesFour-wheel Drive (4WD) tractorSteiger built
1975 - 1976
66 Series
Four-wheel Drive (4WD) tractor
Steiger built

1975 - 1976
66 Series
Four-wheel Drive (4WD) tractor
Steiger built

International Harvester 4568 Tires
Ag front	24.5-32
Ag rear	24.5-32

Dimensions
Wheelbase	118 inches 299 cm
Length	241 inches 612 cm
Width	116 inches 294 cm
Shipping weight	21900 lbs 9933 kg
Ground clearance	17.3 inches 43 cm
Front axle	Bar: 3.5 inch diameter 88 mm
Bar rear axle	3.5 inch diameter 88 mm
Front tread	68 to 128 inches 172 to 325 cm
Rear tread	68 to 128 inches 172 to 325 cm

International Harvester 4568 Height
Hood	94 inches 238 cm
Cab	132.5 inches 336 cm
Exhaust	143.2 inches 363 cm

Tests

	1975 - 1976 66 SeriesFour-wheel Drive (4WD) tractorSteiger built
1975 - 1976
66 Series
Four-wheel Drive (4WD) tractor
Steiger built

1975 - 1976
66 Series
Four-wheel Drive (4WD) tractor
Steiger built

Nebraska Tractor Test 1216
Diesel 10-speed 4WD June 11 - 19, 1976 Link: Nebraska Tractor Test 1216 file
Drawbar performance
Max power	228.01 hp 170.0 kW
Fuel use	17.7 gal/hour 67.0 l/hour
Max pull	27995 lbs 12698 kg

Photos

International Harvester 4568