International Harvester Hydro 186

1976 - 1981

86 Series

Row-Crop tractor

Manufacturer

International Harvester

Row-Crop tractor

Built in Rock Island, Illinois, USA

Original price

$33,900 (1981)

Hydro 186 Hi-Clear

high clearance

International Harvester 7.1L 6-cyl diesel

Drawbar (claimed)

82 hp 61.1 kW

PTO (claimed)

104 hp 77.6 kW

Drawbar (tested)

79.83 hp 59.5 kW

PTO (tested)

105.02 hp 78.3 kW

Two- or four-wheel drive

Steering

power assist

Hydraulic disc brakes

Cab standard with air-conditioning. Open operator station and four-post ROPS available.

Fuel

50 gal 189.2 L

22 gal (auxiliary) 83.3 L

Hydraulic system

28.5 gal 107.9 L

Type

open center

closed center *Optional after late 1980.

Capacity

28.5 gal 107.9 L

Valves

2

Pump flow

12 gpm 45.4 lpm

Rear Type

II

Rear lift (at 24"/610mm)

6660 lbs 3020 kg

Rear PTO

independent

Rear PTO Type

540/1000 (1.375)

Engine RPM

540@2100

1000@2100

Wheelbase

105 inches 266 cm

101 inches (tricycle front) 256 cm

99 inches (4WD) 251 cm

106 inches (Hi-Clear) 269 cm

Weight

11500 to 13135 pounds

Front tire

10.00-16

Rear tire

18.4-34

Ground

negative

Charging system

alternator

Charging amps

42

61 (with cab)

Batteries

2

Battery CCA

470

Battery volts

12

1978 Buyer's Guide published by International Harvester

1979 Buyer's Guide published by International Harvester

Buyer's Guide 1981 published by International Harvester

Series 86 Tractors published in 1976, by International Harvester

86 Series Tractors - The pro-ag line published in 1976, by International Harvester

Operator's Manual 786, 886, 986, 1086, 1486, 1586 and Hydro-186 Tractors (1096207R4) published in 1986

Manufacturer

International Harvester D436

Fuel Type

Diesel

Configuration

6-cylinder, liquid-cooled

Displacement

436 ci 7.1 L

Bore/Stroke

4.30x5.00 inches 109 x 127 mm

Air cleaner

dual dry element

Rated RPM

2400

Coolant capacity

26 qts 24.6 L

Oil capacity

14 qts 13.2 L

Transmission

hydrostatic

Gears

variable, two-range forward and reverse

Oil capacity

114 qts 107.9 L

Oil type

IH Hy-Tran/B-6

A range lever on the right console allows the selection of high, low, or reverse range. Speed is controlled by the speed-control lever on the left side of the instrument panel. An inching pedal is located on the left side of the tractor, and allows for small movements when connecting implements.

18.4-34 rear tires.

Ag front

10.00-16

Ag rear

18.4-34

Wheelbase

105 inches 266 cm

101 inches (tricycle front) 256 cm

99 inches (4WD) 251 cm

106 inches (Hi-Clear) 269 cm

Length

167 inches (2WD) 424 cm

163 inches (4WD) 414 cm

169 inches (Hi-Clear) 429 cm

Width

102 inches 259 cm

98 inches (Hi-Clear) 248 cm

Height (cab)

112 inches 284 cm

125 inches (Hi-Clear) 317 cm

Ground clearance

13 inches 33 cm

26 inches (Hi-Clear) 66 cm

Shipping

11,500 lbs 5216 kg

12,350 lbs (Hi-Clear) 5601 kg

Operating

13,135 lbs 5958 kg

Diesel hydrostatic 2WD September 22 - October 3, 1977 Link: Nebraska Tractor Test 1257 file

PTO performance

Power at rated engine speed

105.02 hp 78.3 kW

Fuel use

8.1 gal/hour 30.7 l/hour

Power at rated PTO speed

100.31 hp 74.8 kW

Fuel use

7.3 gal/hour 27.6 l/hour

Drawbar performance

Max power

79.83 hp 59.5 kW

Fuel use

8.1 gal/hour 30.7 l/hour

Pull at 9.6 KPH

Max pull

11312 lbs 5131 kg

Pull at 3.9 KPH