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Years in Production / 1976–1978

International Harvester

4186

Explore the specifications, hardware, and original references for the International Harvester 4186.

Generic tractor; no model photo available
No photo

166hp

Engine estimate · from PTO

4x4 Only

Drive

1976–1978

Production years

International Harvester

Manufacturer

4186 / 01

At a glance

Overview

1976 - 1978

86 Series

Four-wheel Drive (4WD) tractor

Production

Four-wheel Drive (4WD) tractor

Built in Rock Island, Illinois, USA

Original price was $32,500 in 1978

Manufacturer
International Harvester

Mechanical

Hydraulic expanding shoe brakes

Cab standard

Drive
4x4 4WD
Steering
hydraulic power

Hydraulics

Type
open center
Valves
2
Pump Flow
18 gpm68.1 lpm

Hitch

Rear Type
III/II

Pto

Rear Pto
independent
Rear Type
1000
Engine Rpm
1000@1159

4186 / 02

Under the hood

Engine Detail

International Harvester DT-436

turbocharged diesel

6-cylinder

liquid-cooled

Displacement
436 ci7.1 L
Bore Stroke
4.30x5.00 inches109 x 127 mm
Fuel System
direct injection
Rated Rpm
2400
Starter Volts
12
Cylinders
6
Cooling
liquid-cooled

Engine Options

International Harvester 7.1L 6-cyl diesel

Fuel Tank
100 gal378.5 L

4186 / 03

Gears & controls

Transmission

Four gears in two ranges, plus reverse range.

Transmission Type
gear
Gears
8 forward and 4 reverse
Clutch
355.6mm dry disc

International Harvester4186 Transmission

8-speed gear

4186 / 04

Size. Stance. Footprint.

Dimensions

Length
194 in492 cm
Height
139 in353 cm
Wheelbase
102 in259 cm
Front tread
80 in203 cm
Rear tread
80 in203 cm

Dimensions And Tires

Wheelbase
102 inches259 cm
Weight
15900 lbs7212 kg
Front Tire
23.1-26
Rear Tire
23.1-26

Tires And Tracks

Front Ag
23.1-26
Rear Ag
23.1-26

See it in action

Videos

Watch International Harvester 4186 videos from their original YouTube creators.

4186 / 06

Tests (NTTL)

Nebraska Tractor Test 1116

Diesel 8-speed 4WDNovember 1 - December 6, 1972

PTO performance

Drawbar performance

Gear 4-Low used for power test.

Gear 1-Low used for pull test.

Id
1116
Power At Rated Engine Speed
150.63 hp112.3 kW
Fuel Use
9.9 gal/hour37.5 l/hour
Fuel Use
9.1 gal/hour34.4 l/hour
Power At Rated Pto Speed
152.72 hp113.9 kW
Max Power
127.55 hp95.1 kW
Max Pull
19,434 lbs8815 kg