International Harvester 1586

1976 - 1981

86 Series

Row-Crop tractor

Manufacturer

International Harvester

Row-Crop tractor

Built in Rock Island, Illinois, USA

Total built

13,636

Original price was $43,300 in 1981

International Harvester 7.1L 6-cyl diesel

12-speed two-speed power shift

Drawbar (claimed)

140 hp 104.4 kW

PTO (claimed)

160 hp 119.3 kW

Drawbar (tested)

134.94 hp 100.6 kW

PTO (tested)

161.55 hp 120.5 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

63 gal 238.5 L

22 gal (auxiliary) 83.3 L

Hydraulic system

27 gal 102.2 L

Type

open center

closed center *Optional after late 1980.

Capacity

27 gal 102.2 L

Valves

2

Pump flow

12 gpm 45.4 lpm

Rear Type

III

Rear PTO

independent

Rear PTO Type

1000 (1.75)

Engine RPM

1000@2100

Wheelbase

105 inches 266 cm

Weight

13600 to 15120 pounds

Front tire

11.00-16

Rear tire

20.8-38

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 DT436

Configuration

turbocharged diesel, 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

2500

Coolant capacity

27 qts 25.6 L

Oil capacity

20 qts 18.9 L

Transmission

Torque Amplifier

Type

two-speed power shift

Gears

12 forward and 6 reverse

Oil capacity

108 qts 102.2 L

The transmission features three ranges (low, high, and reverse) with three gears (1-3) in each range. The Torque Amplifier (TA) provides an additional high/low selection for each speed. The range and gear can be shifted only when the tractor is stopped. The TA can be shifted while the tractor is in motion.

20.8-38 rear tires.

Ag front

11.00-16

Ag rear

20.8-38

Wheelbase

105 inches 266 cm

Length

169 inches 429 cm

Width

112 inches 284 cm

Height (cab)

116 inches 294 cm

Ground clearance

14 inches 35 cm

Shipping

13600 lbs 6168 kg

Operating

15120 lbs (2WD duals cab) 6858 kg

Ballasted

17600 lbs 7983 kg

Diesel 12-speed 2WD June 3 - 22, 1977 Link: Nebraska Tractor Test 1248 file

PTO performance

Power at rated engine speed

161.55 hp 120.5 kW

Fuel use

10.6 gal/hour 40.1 l/hour

Power at rated PTO speed

156.09 hp 116.4 kW

Fuel use

9.5 gal/hour 36.0 l/hour

Drawbar performance

Max power

134.94 hp 100.6 kW

Fuel use

10.4 gal/hour 39.4 l/hour

Max pull

16,665 lbs 7559 kg