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International Harvester 21026

International Harvester 21026 tractor
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The International Harvester 21026 is an industrial tractor produced from 1970 to 1971 in Rock Island, Illinois, USA. It features a turbocharged 6-cylinder 6.7L diesel engine (International Harvester DT-407) delivering 123 hp net and 127 hp gross. The tractor uses a hydrostatic transmission with infinite forward and reverse speeds in 2 ranges. It offers two- or four-wheel drive, power steering, and differential hydraulic dry disc brakes. The 21026 has an open operator station and optional rear Type II hitch. Hydraulics provide 12 gpm total flow with an optional 17 gpm. The rear PTO is independent and optional, with 1000 rpm and 540/1000 rpm options. Dimensions include a 91 inch wheelbase, 153 inch length, and operating weight around 9,830 lbs. Tires vary for agricultural and industrial use. Electrical system includes a 32 amp alternator and two 6-volt batteries. Total production was 59 units combining standard and industrial models.
International Harvester21026industrial tractor127 hphydrostatic transmission6.7L diesel engine19701971
Power-
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Model21026

Technical Specifications

Detailed specifications and technical data for International Harvester 21026

Power

Engine (net):123 hp (91.7 kW)
PTO (claimed):112 hp (83.5 kW)
Engine (gross):127 hp (94.7 kW)
Drawbar (claimed):80 hp (59.7 kW)

Engine

Type:turbocharged diesel
Model:International Harvester DT-407
Cooling:liquid-cooled
Cylinders:6-cylinder
Fuel tank:42 gal (159.0 L)
Rated RPM:2400
Air cleaner:dual-stage dry
Bore/Stroke:4.321x4.625 inches (110 x 117 mm)
Compression:17:1
Power (net):123 hp (91.7 kW)
Displacement:406.9 ci (6.7 L)
Oil capacity:15 qts (14.2 L)
Power (gross):127 hp (94.7 kW)
Starter volts:12
Coolant capacity:24 qts (22.7 L)

Variants

IH 1026:standard
IH 21026:industrial
Farmall 1026:row-crop

Electrical

Batteries:2
Battery volts:6
Charging amps:32
Charging system:alternator generator

Hydraulics

Total flow:12 gpm (45.4 lpm)
Optional flow:17 gpm (64.3 lpm)

Mechanical

Drive:Two- or four-wheel drive
Brakes:Differential hydraulic dry disc brakes
Power steering:Yes
Operator station:Open operator station

Production

Type:Industrial tractor
Built in:Rock Island, Illinois, USA
Total built:59 (both standard and industrial)
Manufacturer:International Harvester
Years produced:1970 - 1971

Transmission

Type:hydrostatic
Gears:infinite forward and reverse (2-range)

Tractor hitch

Rear Type:II (optional)

Dimensions & Tires

Width:91 inches (231 cm)
Length:153 inches (388 cm)
Rear axle:3.25 inch diameter (82 mm)
Wheelbase:91 inches (231 cm)
Rear tread:67 to 91 inches (170 to 231 cm)
Front tread:53 inches (134 cm)
Ag rear tire:18.4-38
Ag front tire:11L-15
Shipping weight:9,360 lbs (4245 kg)
Operating weight:9,830 lbs (4458 kg)
Clearance (drawbar):12 inches (30 cm)
Industrial rear tire:23.1-30
Industrial front tire:7.50-20
Clearance (front axle):22 inches (55 cm)
Height (steering wheel):84 inches (213 cm)

Power Take-off (PTO)

Rear PTO:independent Optional
Other PTO:540/1000
Rear PTO Type:1000

Serial Number Location

Location:Serial number plate on the left side of the hydrostatic housing, ahead of the batteries.