Overview
The Farmall 1456 is a farm tractor produced between 1969 and 1971 featuring an International Harvester 6.7L 6-cylinder turbocharged diesel engine rated at 2400 RPM. It was offered with either an 8-speed gear or 16-speed partial power shift transmission and was tested at 131.1 hp for PTO and 114.69 hp for drawbar performance. The tractor is equipped with hydrostatic power steering and independent hydraulic dry disc brakes, with an optional cab including heat and air conditioning.
Ideal Applications
Tested Power and Fuel Consumption:
According to Nebraska Tractor Test 1048, the 1456 delivered 131.1 hp at the PTO and reached a maximum fuel consumption rate of 8.5 gallons per hour during drawbar performance testing.
Transmission and PTO Specifications:
The tractor features a partial power shift transmission with up to 16 forward and 8 reverse gears, paired with an independent rear PTO rated at 1000 RPM.
Chassis and Weight Measurements:
The unit has an operating weight of 12,800 lbs which increases to a ballasted weight of 17,350 lbs, supported by a 105-inch wheelbase and 18.4-38 rear tires.
Production
| Description | Standard-tread tractor |
|---|---|
| Manufacturer | Farmall (a part of 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 Number Location
| Description | Clutch housing, right side |
|---|
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. |
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 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. |
|---|