| Manufacturer |
International Harvester |
| Price |
12,400(USD) |
| Model |
1456 |
| Equipment Type |
Standard-Tread Tractors |
| Factory |
|
NEBRASKA TRACTOR TEST 1048
| Description |
Diesel June 8 - 27, 1970 PTO performance Drawbar performance |
| Power at rated engine speed |
131.1hp / 97.8kW |
| Fuel use |
8.5gal/hour / 32.2l/hour |
| Power at rated PTO speed |
127.27hp / 94.9kW |
| Max power |
114.69hp / 85.5kW |
INTERNATIONAL HARVESTER 1456 POWER
| PTO (claimed) |
130hp / 96.9kW |
| Drawbar (tested) |
114.69hp / 85.5kW |
| PTO (tested) |
131.1hp / 97.8kW |
ENGINE DETAIL
The International Harvester 1456 features a robust DT407 turbocharged diesel engine with a displacement of 6.7L, delivering strong torque at 2400 RPM, ideal for heavy-duty agricultural tasks. With a high compression ratio of 17:1, it enhances fuel efficiency but may require high-quality diesel to prevent knocking. The dual dry element air cleaner and substantial oil (13qt) and coolant (24qt) capacities support extended operation, yet the weight and maintenance of these components can pose challenges during long-term use.
| Description |
International Harvester DT407 turbocharged diesel 6-cylinder liquid-cooled |
| Displacement |
406.9ci / 6.7L |
| Bore/Stroke |
4.321x4.625inches / 110x 117mm |
| Air cleaner |
dual dry elements |
| Compression |
17:1 |
| Rated RPM |
2400 |
| Starter volts |
12 |
| Oil capacity |
13qts / 12.3L |
| Coolant capacity |
24qts / 22.7L |
INTERNATIONAL HARVESTER 1456 ENGINE
The International Harvester 1456 features a robust 6.7L 6-cylinder diesel engine, offering enhanced torque for heavy-duty applications, ideal for plowing or hauling. It has a substantial 42-gallon fuel tank, with an optional 40-gallon auxiliary tank, allowing for extended operational time in the field, reducing downtime for refueling. However, the tractor's weight and size may pose challenges in maneuverability in tight spaces or hilly terrains.
| Description |
International Harvester 6.7L 6-cyl diesel |
| Fuel tank |
42gal / 159.0L 40gal / 151.4L (optional auxiliary tank) |
TRANSMISSIONS OVERVIEW
The International Harvester 1456 tractor features an 8-speed transmission with a 16-speed partial power shift, enabling efficient power management for varying field conditions. This setup enhances productivity by allowing operators to select optimal speeds for tasks like tilling or hauling, minimizing fuel consumption and wear on components. However, the complexity of the transmission system may pose challenges in maintenance and require skilled operators to fully leverage its capabilities.
| Description |
8-speed 16-speed partial power shift |
TRANSMISSION 1
The International Harvester 1456 features an 8 forward and 4 reverse gear transmission, providing versatility in various field applications and enabling smooth operation across different terrains. With an oil capacity of 88 quarts (83.3 liters), it supports efficient lubrication, critical for maintaining optimal engine performance and longevity under heavy load conditions. However, users should monitor oil levels regularly to prevent potential overheating and ensure reliable performance during extended operations.
| Transmission |
gear |
| Gears |
8 forward and 4 reverse |
| Oil capacity |
88qts / 83.3L |
SPEEDS 1
| Description |
With 18.4-39 rear tires |
TRANSMISSION 2
The International Harvester 1456 features a partial power shift transmission with a total of 16 forward and 8 reverse gears, providing versatile speed and torque options for varying field conditions. The inclusion of a torque amplifier enhances low-end power delivery, making it advantageous for heavy tillage operations. However, the 88-quart oil capacity may require regular maintenance to ensure optimal performance, especially under demanding usage scenarios.
| Transmission |
Torque Amplifier |
| Type |
partial power shift |
| Gears |
16 forward and 8 reverse |
| Oil capacity |
88qts / 83.3L |
SPEEDS 2
| Description |
With 18.4-39 rear tires |
MECHANICAL
The International Harvester 1456 tractor features a versatile 4x2 drive with optional 4WD, enhancing traction across various terrains. Its hydrostatic power steering offers improved maneuverability, while the independent hydraulic dry disc brakes ensure reliable stopping power under diverse conditions. The available 8-speed and 16-speed partial power shift transmissions provide operational flexibility, suitable for both fieldwork and towing applications.
| Chassis |
4x2 2WD/4x4 MFWD 4WD optional |
| Steering |
hydrostatic power |
| Brakes |
independent hydraulic dry disc |
| Cab |
Cab optional with heat and A/C |
| Transmissions |
8-speed 16-speed partial power shift |
HYDRAULICS
| Pump flow |
12gpm / 45.4lpm |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
1000 |
INTERNATIONAL HARVESTER 1456 TIRES
The International Harvester 1456 tractor features a robust tire configuration with Ag front 11L-15 and Ag rear 18.4-38, providing excellent traction and stability for heavy-duty agricultural tasks. This setup is advantageous for plowing and tilling, especially in field conditions with varying soil types. However, the larger rear tires can present challenges in tight maneuvers and require adequate power to maintain performance in steep terrain.
| Ag front |
11L-15 |
| Ag rear |
18.4-38 |
DIMENSIONS
| Wheelbase |
105inches / 266cm |
| Length |
164inches / 416cm |
| Height |
86inches / 218cm (steering wheel) |
| Operating weight |
12,800lbs / 5806kg |
| Ballasted weight |
17,350lbs / 7869kg |
DIMENSIONS & TIRES
The International Harvester 1456 tractor's wheelbase of 105 inches enhances stability during field operations, making it suitable for heavy-duty tasks. Weighing 12,800 lbs, it provides significant ground traction, especially with the rear 18.4-38 tires, ideal for plowing and tilling. However, its large size may pose challenges in tight spaces and transportation on smaller roads, necessitating careful route planning for movement.
| Wheelbase |
105inches / 266cm |
| Weight |
12,800lbs / 5806kg |
| Front tire |
11L-15 |
| Rear tire |
18.4-38 |
1456 SERIAL NUMBERS
| Location |
Clutch housing, right side |
| 1969 |
10001 (Farmall) |
| 1970 |
10405 (Farmall) |
| 1971 |
14149 (Farmall) |
