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Tractor · 1975Unverified

International Harvester 4568

International Harvester 4568 — 66 Series · 300 hp. Reference specifications; pending source verification.

The International Harvester 4568 is a tractor model with a rated output of 300 hp, categorising it as one of the more powerful machines in its class. Production of the 4568 took place from 1975 to 1976. It features an 8-cylinder turbocharged diesel liquid-cooled engine, which is coupled with a four-wheel drive system and a 10-speed gearbox. The listed weight of the 4568 is 9933 kg, with an intended application for tasks covering approximately 1,500+ acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power
300 hp
Max power
170.0 kW
Weight
9933 kg

Catalogue coverage

Variants represented
2
Richest spec table
61 rows
Recorded power
300 hp
Recorded weight
9933 kg
Transmissions
10-speed continuous mesh
Production years
1975-1976
Verified variants
0

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

DistributorInternational HarvesterReference
ManufacturerSteigerReference
Four-wheel Drive (4WD) tractorReference
Built in Fargo, North Dakota, USAReference
Total built858Reference
Original price was $48,500 in 1976Reference
Four-wheel driveReference
Articulated power steeringReference
Hydraulic disc brakesReference
Cab standard with air-conditioning.Reference

Engine

International Harvester 13.1L 8-cyl dieselReference
Engine223.7 kWReference
Drawbar (claimed)175.2 kWReference
Drawbar (tested)170.0 kWReference
International Harvester DVT-800Reference
turbocharged dieselReference
8-cylinderReference
liquid-cooled V8Reference
Displacement13.1 LReference
Bore/Stroke135 x 114 mmReference
Power223.7 kWReference
Rated RPM2600Reference
Torque1118.7 NmReference
Torque RPM1800Reference
Starter volts12Reference
Max power170.0 kWReference

Transmission

10-speed continuous meshReference
Typecontinuous meshReference
Gears10 forward and 2 reverseReference
Clutch355.6mm dry discsReference

PTO & Hydraulics

Typeopen centerReference
Pump flow64.3 lpmReference
Steering flow83.3 lpmReference

Dimensions

Wheelbase299 cmReference
Weight9933 kgReference
Front tire24.5-32Reference
Rear tire24.5-32Reference
Ag front24.5-32Reference
Ag rear24.5-32Reference
Length612 cmReference
Width294 cmReference
Shipping weight9933 kgReference
Ground clearance43 cmReference
Front axle88 mmReference
Bar rear axle88 mmReference
Front tread172 to 325 cmReference
Rear tread172 to 325 cmReference

4568 Serial Numbers

19758001Reference
19768368Reference
Final8858Reference
FAQ: How to read a serial number table.Reference

Electrical

Charging systemalternatorReference
Batteries2Reference
Battery volts12Reference

International Harvester 4568 Height

Hood238 cmReference
Cab336 cmReference
Exhaust363 cmReference

Test results

Diesel 10-speed 4WDJune 11 - 19, 1976Link: Nebraska Tractor Test 1216 fileReference
Drawbar performanceReference
Fuel use67.0 l/hourReference
Max pull12698 kgReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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