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Tractor · 1976Unverified

International Harvester 4186

Name: International Harvester 4186
Brand: International Harvester

International Harvester 4186 — 86 Series · 151 hp. Reference specifications; pending source verification.

The International Harvester 4186 is a tractor model with a rated power output of 151 hp, placing it at the higher end of its class. This model was manufactured from 1976 to 1978. Powered by a 6-cylinder turbocharged diesel liquid-cooled engine, it features four-wheel drive coupled with an 8-speed gearbox. Its operating weight is listed at 7212 kg, making it suitable for operations spanning approximately 200–800 acres.

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

Rated power

151 hp

Max power

95.1 kW

Weight

7212 kg

Catalogue coverage

Variants represented

Richest spec table

58 rows

Recorded power

151 hp

Recorded weight

7212 kg

Transmissions

8-speed gear

Production years

1976-1978

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerInternational HarvesterReference

Four-wheel Drive (4WD) tractorReference

Built in Rock Island, Illinois, USAReference

Original price was $32,500 in 1978Reference

Drive4x4 4WDReference

Steeringhydraulic powerReference

Hydraulic expanding shoe brakesReference

Cab standardReference

Engine

International Harvester 7.1L 6-cyl dieselReference

Fuel tank378.5 LReference

Drawbar (claimed)96.9 kWReference

Drawbar (tested)95.1 kWReference

International Harvester DT-436Reference

turbocharged dieselReference

6-cylinderReference

liquid-cooledReference

Displacement7.1 LReference

Bore/Stroke109 x 127 mmReference

Fuel systemdirect injectionReference

Rated RPM2400Reference

Starter volts12Reference

Power at rated engine speed112.3 kWReference

Max power95.1 kWReference

Transmission

8-speed gearReference

TypegearReference

Gears8 forward and 4 reverseReference

Clutch355.6mm dry discReference

Four gears in two ranges, plus reverse range.Reference

PTO & Hydraulics

PTO (claimed)111.9 kWReference

PTO (tested)112.3 kWReference

Typeopen centerReference

Valves2Reference

Pump flow68.1 lpmReference

Rear TypeIII/IIReference

Rear PTOindependentReference

Rear PTO Type1000Reference

Engine RPM1000@1159Reference

Power at rated PTO speed113.9 kWReference

Dimensions

Wheelbase259 cmReference

Weight7212 kgReference

Front tire23.1-26Reference

Rear tire23.1-26Reference

Ag front23.1-26Reference

Ag rear23.1-26Reference

Length492 cmReference

Height353 cmReference

Shipping weight7212 kgReference

Max weight10160 kgReference

Front tread203 cmReference

Rear tread203 cmReference

Test results

Diesel 8-speed 4WDNovember 1 - December 6, 1972Link: Nebraska Tractor Test 1116 fileReference

PTO performanceReference

Fuel use37.5 l/hourReference

Fuel use34.4 l/hourReference

Drawbar performanceReference

Gear 4-Low used for power test.Reference

Max pull8815 kgReference

Gear 1-Low used for pull test.Reference

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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