International Harvester 4786 Specs ( 1978-1981 )

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Production

Description Built in Fargo, North Dakota, USA / Original price was $78,700 in 1981
Distributor International Harvester
Drive type Four-wheel Drive (4WD) tractor
Manufacturer Steiger

Engine

Engine type International Harvester 13.1L 8-cyl diesel
Fuel tank 194 gal (734.3 L)
Air cleaner dry
Bore/Stroke 5.31x4.50 inches (135 x 114 mm)
Compression 15.6:1
Description International Harvester DVT-800 / turbocharged diesel / 8-cylinder / liquid-cooled
Displacement 798 ci (13.1 L)
Idle RPM 1000-2850
Power 350 hp (261.0 kW)
Rated RPM 2600
Starter volts 12
Drawbar (claimed) 260 hp (193.9 kW)
Drawbar (tested) 258.20 hp (192.5 kW)

Transmission

Clutch dry disc
Gears 10 forward and 2 reverse
Transmission type 10-speed gear
Type gear

Mechanical

Cab Cab standard with air-conditioning.
Description Hydraulic wet disc brakes
Drive type Four-wheel drive
Final drives planetary

Hydraulics

Pump flow 19 gpm (71.9 lpm)
Steering flow 24 gpm (90.8 lpm)
Total flow 43 gpm (162.8 lpm)
Type open center

Hitch

Rear Type IV OptOptional

Dimensions & Tires

Front axle 4 inch diameter (101 mm)
Front tread 68.1 to 125.1 inches (172 to 317 cm)
Length 241 inches (612 cm)
Operating weight 30200 lbs*Weight with 23.1-30 duals. (13698 kg)
Rear axle 4 inch diameter (101 mm)
Rear tread 68.1 to 125.1 inches (172 to 317 cm)
Wheelbase 118 inches (299 cm)
Width 117 inches (297 cm)
Front tire 24.5-32
Rear tire 24.5-32
Weight 30200 lbs (13698 kg)
Wheelbase 118 inches (299 cm)
Ag front 24.5-32
Ag rear 24.5-32

International Harvester 4786 Height

Cab 134 inches (340 cm)
Exhaust 146 inches (370 cm)
Hood 95 inches (241 cm)

Nebraska Tractor Test 1317

Description Diesel 10-speed 4WDMay 23 - 29, 1979Link: Nebraska Tractor Test 1317 file / Drawbar performance / Gear 3H used for power test. / Gear 1H used for pull test.
Fuel use 20.2 gal/hour (76.5 l/hour)
Max power 258.20 hp (192.5 kW)
Max pull 33468 lbs (15181 kg)

References

Description 1979 Buyer's Guide published by International Harvester / Buyer's Guide 1981 published by International Harvester / Buyer's Guide 1982 published by International Harvester