International Harvester 1586 Specs ( 1976-1981 )

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Production

Description Row-Crop tractor / Built in Rock Island, Illinois, USA / Original price was $43,300 in 1981
Manufacturer International Harvester
Total built 13,636

Engine

Engine type International Harvester 7.1L 6-cyl diesel
Air cleaner dual dry element
Bore/Stroke 4.30x5.00 inches (109 x 127 mm)
Coolant capacity 27 qts (25.6 L)
Description International Harvester DT436 / turbocharged diesel / 6-cylinder / liquid-cooled
Displacement 436 ci (7.1 L)
Rated RPM 2500
Oil capacity 20 qts (18.9 L)
Drawbar (claimed) 140 hp (104.4 kW)
Drawbar (tested) 134.94 hp (100.6 kW)
PTO (claimed) 160 hp (119.3 kW)
PTO (tested) 161.55 hp (120.5 kW)

Transmission

Gears 12 forward and 6 reverse
Oil capacity 108 qts (102.2 L)
Transmission Torque Amplifier
Transmission type 12-speed two-speed power shift
Type two-speed power shift

Mechanical

Cab Cab standard with air-conditioning. Open operator station and four-post ROPS available.
Description Hydraulic disc brakes
Drive type Two- or four-wheel drive
Final drives planetary
Steering power assist

Capacity

Fuel 63 gal (238.5 L)
Hydraulic system 27 gal (102.2 L)

Hydraulics

Capacity 27 gal (102.2 L)
Pump flow 12 gpm (45.4 lpm)
Type open center
Valves 2

Hitch

Rear Type III

PTO

Engine RPM 1000@2100
Rear PTO independent
Rear PTO Type 1000 (1.75)

Electrical

Batteries 2
Battery CCA 470
Battery volts 12
Charging amps 42
Charging system alternator
Ground negative

Dimensions & Tires

Ground clearance 14 inches (35 cm)
Height (cab) 116 inches (294 cm)
Length 169 inches (429 cm)
Wheelbase 105 inches (266 cm)
Width 112 inches (284 cm)
Front tire 11.00-16
Rear tire 20.8-38
Weight 13600 to 15120 pounds
Wheelbase 105 inches (266 cm)
Ag front 11.00-16
Ag rear 20.8-38

1586 Serial Number Location

Description Frame, right side ahead of the rear axle.

1586 Serial Numbers

1976 8601
1977 10652
1978 14506
1979 16347
1980 18451
1981 21501
Description FAQ: How to read a serial number table.

International Harvester 1586 Weight

Ballasted 17600 lbs (7983 kg)
Operating 15120 lbs (2WD duals cab) (6858 kg)
Shipping 13600 lbs (6168 kg)

Nebraska Tractor Test 1248

Description Diesel 12-speed 2WDJune 3 - 22, 1977Link: Nebraska Tractor Test 1248 file / PTO performance / Drawbar performance
Fuel use 10.6 gal/hour (40.1 l/hour) / 9.5 gal/hour (36.0 l/hour) / 10.4 gal/hour (39.4 l/hour)
Max power 134.94 hp (100.6 kW)
Max pull 16,665 lbs (7559 kg)
Power at rated engine speed 161.55 hp (120.5 kW)
Power at rated PTO speed 156.09 hp (116.4 kW)

References

Description 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

Speeds

Description 20.8-38 rear tires.