International Harvester 1456 Specs ( 1969-1971 )
Overview
The International Harvester 1456 is a 4x2 farm tractor manufactured between 1969 and 1971 in both row-crop and standard-tread variants. It features a 6.7L 6-cylinder turbocharged diesel engine and was available with an optional cab including heat and A/C.
Ideal Applications
Tested Power Output:
During Nebraska Tractor Test 1048, the 1456 recorded 131.1 hp at the PTO and reached a maximum drawbar power of 114.69 hp.
Transmission and Drive Configuration:
The mechanical setup includes a 2WD drive system with either an 8-speed gear transmission or a 16-speed partial power shift Torque Amplifier.
Chassis and Weight Specifications:
The tractor features a 105-inch wheelbase and weighs 12,800 lbs in standard operating condition, increasing to a ballasted weight of 17,350 lbs.
Production
| Description | Standard-tread tractor |
|---|---|
| Manufacturer | International Harvester |
| Original price | $12,400 (1971) |
| Total built | 294 (IH/wheatland) |
Engine
| Engine type | International Harvester 6.7L 6-cyl diesel |
|---|---|
| Fuel tank | 42 gal (159.0 L) |
| Air cleaner | dual dry elements |
| Bore/Stroke | 4.321x4.625 inches (110 x 117 mm) |
| Compression | 17:1 |
| Coolant capacity | 24 qts (22.7 L) |
| Description | International Harvester DT407 / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 406.9 ci (6.7 L) |
| Oil capacity | 13 qts (12.3 L) |
| Rated RPM | 2400 |
| Starter volts | 12 |
| Drawbar (tested) | 114.69 hp (85.5 kW) |
| PTO (claimed) | 130 hp (96.9 kW) |
| PTO (tested) | 131.1 hp (97.8 kW) |
Transmission
| Gears | 8 forward and 4 reverse / 16 forward and 8 reverse |
|---|---|
| Oil capacity | 88 qts (83.3 L) / 88 qts (83.3 L) |
| Transmission | gear / Torque Amplifier |
| Type | partial power shift |
| Transmission type | 8-speed / 16-speed partial power shift |
| Transmission type | 8-speed / 16-speed partial power shift |
Mechanical
| Cab | Cab optional with heat and A/C |
|---|---|
| Description | Independent hydraulic dry disc brakes |
| Drive | 4x2 2WD |
| Steering | hydrostatic power |
Hydraulics
| Pump flow | 12 gpm (45.4 lpm) |
|---|
Hitch
| Rear Type | 3/2 |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 |
Dimensions & Tires
| Ballasted weight | 17,350 lbs (7869 kg) |
|---|---|
| Height | 86 inches (steering wheel) (218 cm) |
| Length | 164 inches (416 cm) |
| Operating weight | 12,800 lbs (5806 kg) |
| Wheelbase | 105 inches (266 cm) |
| Front tire | 11L-15 |
| Rear tire | 18.4-38 |
| Weight | 12,800 lbs (5806 kg) |
| Wheelbase | 105 inches (266 cm) |
| Ag front | 11L-15 |
| Ag rear | 18.4-38 |
1456 Serial Numbers
| 1969 | 1001 (IH) / 10001 (Farmall) |
|---|---|
| 1970 | 10025 (IH) / 10405 (Farmall) |
| 1971 | 10249 (IH) / 14149 (Farmall) |
| Description | FAQ: How to read a serial number table. |
| Location: | Clutch housing, right side |
Nebraska Tractor Test 1048
| Description | Diesel June 8 - 27, 1970 / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 8.3 gal/hour (31.4 l/hour) / 7.6 gal/hour (28.8 l/hour) / 8.5 gal/hour (32.2 l/hour) |
| Max power | 114.69 hp (85.5 kW) |
| Power at rated engine speed | 131.1 hp (97.8 kW) |
| Power at rated PTO speed | 127.27 hp (94.9 kW) |
References
| Description | Spring 1970 Buyer's Guide published by International Harvester / Spring 1971 Buyer's Guide published by International Harvester / Farm Equipment Reference Catalog published in 1970, by International Harvester |
|---|
Speeds
| Description | With 18.4-39 rear tires. / With 18.4-39 rear tires. |
|---|
Variants
| Farmall 1456 | row-crop |
|---|---|
| IH 1456 | standard-tread |