International Harvester 4186
The International Harvester 4186 is a tractor produced by International Harvester. It is equipped with a 436 ci 7.1 L engine. The rated power output is 150.63 hp 112.3 kW. Transmission: 8 forward and 4 reverse. Drive type: 4x4 4WD. Operating weight: 15900 lbs 7212 kg.
Engine Power
150.63 hp
112.3 kW
Drive & Traction
4x4 4WD
Fuel & Capacities
100 gal
378.5 L
Transmission
8 forward and 4 reverse
Operating Weight
15900 lbs
7212 kg
International Harvester 4186 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1976 - 1978
86 SeriesFour-wheel Drive (4WD) tractor |
|---|---|
1976 - 1978 | |
86 Series | |
Four-wheel Drive (4WD) tractor | |
Production | |
|---|---|
Manufacturer | International Harvester |
Four-wheel Drive (4WD) tractor | |
Built in Rock Island, Illinois, USA | |
Original price was $32,500 in 1978 | |
International Harvester 4186 Engine | |
|---|---|
International Harvester 7.1L 6-cyl diesel | |
Fuel tank | 100 gal
378.5 L |
Engine details ...  | |
International Harvester 4186 Transmission | |
|---|---|
8-speed gear | |
Transmission details ...  |
International Harvester 4186 Power | |
|---|---|
Drawbar (claimed) | 130 hp
96.9 kW |
PTO (claimed) | 150 hp
111.9 kW |
Drawbar (tested) | 127.55 hp
95.1 kW |
PTO (tested) | 150.63 hp
112.3 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | 4x4 4WD |
Steering | hydraulic power |
Hydraulic expanding shoe brakes | |
Cab standard | |
Hydraulics | |
|---|---|
Type | open center |
Valves | 2 |
Pump flow | 18 gpm
68.1 lpm |
Tractor hitch | |
|---|---|
Rear Type | III/II |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 |
Engine RPM | 1000@1159 |
Dimensions & Tires | |
|---|---|
Wheelbase | 102 inches
259 cm |
Weight | 15900 lbs
7212 kg |
Front tire | 23.1-26 |
Rear tire | 23.1-26 |
Full dimensions and tires ...  | |
References | |
|---|---|
 | |
1978 Buyer's Guide published by International Harvester |
Engine
Engine Detail — 436 ci / 7.1 L Diesel
Manufacturer | International Harvester DT-436 |
Configuration | turbocharged diesel, 6-cylinder, liquid-cooled |
Displacement | 436 ci
7.1 L |
Bore/Stroke | 4.30x5.00 inches
109 x 127 mm |
Fuel system | direct injection |
Rated RPM | 2400 |
Starter volts | 12 |
Transmission
Transmission — 8 forward and 4 reverse gear
Type | gear |
Gears | 8 forward and 4 reverse |
Clutch | 355.6mm dry disc |
Four gears in two ranges, plus reverse range. | |
 | |
Dimensions
International Harvester 4186 Tires | |
|---|---|
Ag front | 23.1-26 |
Ag rear | 23.1-26 |
Dimensions | |
|---|---|
Wheelbase | 102 inches
259 cm |
Length | 194 inches
492 cm |
Height | 139 inches
353 cm |
Shipping weight | 15900 lbs
7212 kg |
Max weight | 22400 lbs
10160 kg |
Front tread | 80 inches
203 cm |
Rear tread | 80 inches
203 cm |
Tests
Nebraska Tractor Test 1116 | |
|---|---|
Diesel 8-speed 4WD
November 1 - December 6, 1972
Link: Nebraska Tractor Test 1116 file | |
PTO performance | |
Power at rated engine speed | 150.63 hp
112.3 kW |
Fuel use | 9.9 gal/hour
37.5 l/hour |
Power at rated PTO speed | 152.72 hp
113.9 kW |
Fuel use | 9.1 gal/hour
34.4 l/hour |
Drawbar performance | |
Max power | 127.55 hp
95.1 kW |
Gear 4-Low used for power test. | |
Max pull | 19,434 lbs
8815 kg |
Gear 1-Low used for pull test. | |
Photos
International Harvester 4186
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