Search
Find your tractor.
Menu ☰
Years in Production / 1976–1978
International Harvester
4186
Explore the specifications, hardware, and original references for the International Harvester 4186.

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