International Harvester 1026 Specs ( 1970-1971 )
Overview
The International Harvester 1026 is a farm tractor produced in Rock Island, Illinois, between 1970 and 1971 with a total production of 59 units. It is powered by a 6.7L 6-cylinder turbocharged diesel engine rated at 127 gross horsepower and utilizes a 2-range hydrostatic transmission. The machine was manufactured in standard, row-crop, and industrial variants, all featuring an open operator station and a Type II rear hitch.
Ideal Applications
Tested Power Performance:
According to Nebraska Tractor Test 1047, the 1026 achieved a maximum drawbar pull of 9,583 lbs and a tested PTO power output of 112.45 hp.
Engine and Cooling Specifications:
The IH DT-407 diesel engine features a 16:1 compression ratio, a dual-stage dry air cleaner, and a liquid-cooled system with a 24-quart coolant capacity.
Transmission and Mechanical Layout:
The tractor is equipped with a hydrostatic drive system providing infinite speeds in two ranges, paired with power steering and hydraulic dry disc brakes.
Production
| Description | Standard-tread tractor / Built in Rock Island, Illinois, USA |
|---|---|
| Manufacturer | International Harvester |
| Total built | 59 |
Engine
| Engine type | International Harvester 6.7L 6-cyl diesel |
|---|---|
| Air cleaner | dual-stage dry |
| Bore/Stroke | 4.321x4.625 inches (110 x 117 mm) |
| Compression | 16:1 |
| Coolant capacity | 24 qts (22.7 L) |
| Description | International Harvester DT-407 / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 406.9 ci (6.7 L) |
| Power (gross) | 127 hp (94.7 kW) |
| Power (net) | 123 hp (91.7 kW) |
| Rated RPM | 2400 |
| Starter volts | 12 |
| Drawbar (tested) | 80.24 hp (59.8 kW) |
| Engine (gross) | 127 hp (94.7 kW) |
| Engine (net) | 123 hp (91.7 kW) |
| PTO (claimed) | 112 hp (83.5 kW) |
| PTO (tested) | 112.45 hp (83.9 kW) |
Transmission
| Description | hydrostatic |
|---|---|
| Gears | infinite forward and reverse (2-range) |
| Type | hydrostatic |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Power steering / Differential hydraulic dry disc brakes |
| Drive type | Two- or four-wheel drive |
Hitch
| Rear Type | II |
|---|
PTO
| Rear PTO | independent OptOptional |
|---|---|
| Rear PTO Type | 1000 |
Electrical
| Batteries | 2 |
|---|---|
| Battery volts | 6 |
| Charging system | alternator |
Dimensions & Tires
| Ballasted weight | 14,975 lbs (6792 kg) |
|---|---|
| Front tread | 60/73/84 inches (152/185/213 cm) |
| Operating weight | 11,100 lbs (5034 kg) |
| Front tire | 11L-15 |
| Rear tire | 18.4-38 |
| Weight | 11,100 lbs (5034 kg) |
| Ag front | 11L-15 |
| Ag rear | 18.4-38 |
1026 Serial Numbers
| 1970 | 7501 |
|---|---|
| 1971 | 7550 |
| Description | FAQ: How to read a serial number table. |
| Location: | Serial number plate on the left side of the hydrostatic housing, ahead of the batteries. |
Nebraska Tractor Test 1047
| Description | Diesel hydro 2WDJune 3 - 27, 1970Link: Nebraska Tractor Test 1047 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 7.9 gal/hour (29.9 l/hour) / 7.1 gal/hour (26.9 l/hour) / 7.8 gal/hour (29.5 l/hour) |
| Max power | 80.24 hp (59.8 kW) |
| Max pull | 9,583 lbs (4346 kg) |
| Power at rated engine speed | 112.45 hp (83.9 kW) |
| Power at rated PTO speed | 110.71 hp (82.6 kW) |
References
| Description | Spring 1970 Buyer's Guide published by International Harvester / Spring 1971 Buyer's Guide published by International Harvester |
|---|
Variants
| Farmall 1026 | row-crop |
|---|---|
| IH 1026 | standard |
| IH 21026 | industrial |