International Harvester

International Harvester 1486

The International Harvester 1486 is a row-crop tractor produced from 1976 to 1981 as part of the 86 Series. Built in Rock Island, Illinois, USA, a total of 21,117 units were made. It features a turbocharged 7.1L 6-cylinder diesel engine (DT-436) with a 16-speed two-speed power shift Torque Amplifier transmission. The tractor offers two- or four-wheel drive options, power assist steering, hydraulic disc brakes, and a cab with air-conditioning as standard. It has a drawbar power of 126 hp (claimed) and PTO power of 146 hp (claimed). The tractor's dimensions vary with front wheel configurations and drive type, with a wheelbase ranging from 99 to 105 inches and operating weight around 13,670 lbs. Fuel capacity is 63 gallons with an auxiliary 22 gallons. The 1486 includes an independent rear PTO with 540/1000 RPM options and a hydraulic system with 22.5 gallons capacity. Electrical system features a 12-volt negative ground with a 42-amp alternator, upgraded to 61 amps with cab. The tractor is part of a series including models 1086, 1466, 1586, and 5288.
Power162 hp[P]
Founded1976 - 1981
Model1486

Technical Specifications

Detailed specifications and technical data for International Harvester 1486

Power
PTO (tested)145.77 hp (108.7 kW)
PTO (claimed)146 hp (108.9 kW)
Drawbar (tested)123.20 hp (91.9 kW)
Drawbar (claimed)126 hp (94.0 kW)
Engine
Typeturbocharged diesel
ModelInternational Harvester DT-436
Coolingliquid-cooled
Idle RPM700-2860
Cylinders6-cylinder
Rated RPM2600
Air cleanerdual dry element
Bore/Stroke4.30x5.00 inches (109 x 127 mm)
Displacement436 ci (7.1 L)
Oil capacity20 qts (18.9 L)
Coolant capacity27 qts (25.6 L)
Weight
Shipping12500 lbs (5670 kg)
Ballasted16660 lbs (7556 kg)
Operating13670 lbs (6200 kg)
Capacity
Fuel63 gal (238.5 L)
Auxiliary fuel22 gal (83.3 L)
Hydraulic system22.5 gal (85.2 L)
Electrical
Groundnegative
Batteries2
Battery CCA470
Battery volts12
Charging amps42, 61 (High-output alternator with cab)
Charging systemalternator
Hydraulics
Typeopen center, closed center (Optional after late 1980)
Valves2
Capacity22.5 gal (85.2 L)
Pump flow12 gpm (45.4 lpm)
Mechanical
Cabstandard with air-conditioning. Open operator station and four-post ROPS available.
DriveTwo- or four-wheel drive
BrakesHydraulic disc brakes
Steeringpower assist
Final drivesbull gear
Production
TypeRow-Crop tractor
Series86 Series
Built inRock Island, Illinois, USA
Total built21,117
Original price$38,400 in 1981
Years produced1976 - 1981
Transmission
Typetwo-speed power shift
Gears16 forward and 8 reverse
Oil typeIH Hy-Tran/B-6
DescriptionThe transmission features three ranges (low, high, and reverse) with four gears (1-4) 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.
Oil capacity108 qts (102.2 L)
TransmissionTorque Amplifier
Tractor hitch
Rear TypeIII
Serial Numbers
19768601
19779798
197814851
197918774
198023162
198127426
Dimensions & Tires
Width102 inches (259 cm)
Length168 inches (2WD) (426 cm), 167 inches (4WD) (424 cm)
Rear tire18.4-38
Wheelbase105 inches (wide-tread front) (266 cm), 101 inches (tricycle front) (256 cm), 99 inches (4WD) (251 cm)
Front tire11.00-16 (2WD), 13.6-24 (4WD)
Height (cab)115 inches (292 cm)
Ground clearance14 inches (35 cm)
Power Take-off (PTO)
Rear PTOindependent
Engine RPM540@2300, 1000@2300
Rear PTO Type540/1000 (1.375)
Serial Number Location
LocationFrame, right side ahead of the rear axle.