| Manufacturer |
Farmall |
| Price |
18,305(USD) |
| Model |
450 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
|
NEBRASKA TRACTOR TEST 612 2
| Description |
Gasoline Torque Amplifier 2WD April 9 - 14, 1957 Link: Nebraska Tractor Test 612 file Drawbar performance Gear 3-Direct used for power test Gear 1-TA used for pull test |
| Belt power (max) |
55.28hp / 41.2kW |
| Belt fuel use (max) |
4.8gal/hour / 18.2l/hour |
| Max power |
51.25hp / 38.2kW |
| Max pull |
7,318lbs / 3319kg |
NEBRASKA TRACTOR TEST 608 2
| Description |
Diesel Torque Amplifier 2WD March 18 - April 1, 1957 Link: Nebraska Tractor Test 608 file Drawbar performance Gear 3-Direct used for power test Gear 1-TA used for pull test |
| Belt power (max) |
48.78hp / 36.4kW |
| Belt fuel use (max) |
3.6gal/hour / 13.6l/hour |
| Max power |
45.47hp / 33.9kW |
| Max pull |
6,634lbs / 3009kg |
NEBRASKA TRACTOR TEST 620 2
| Description |
LP gas Torque Amplifier 2WD May 7 - 29, 1957 Link: Nebraska Tractor Test 620 file Drawbar performance Gear 3-Direct used for power test Gear 1-TA used for pull test |
| Belt power (max) |
54.12hp / 40.4kW |
| Belt fuel use (max) |
5.8gal/hour / 22.0l/hour |
| Max power |
49.94hp / 37.2kW |
| Max pull |
7,333lbs / 3326kg |
FARMALL 450 POWER
| Drawbar (claimed) |
35-39hp / 26.1kW |
| PTO (claimed) |
43-48hp / 32.1kW |
| Drawbar (tested) |
51.25hp / 38.2kW |
| Belt (tested) |
55.28hp / 41.2kW |
ENGINES OVERVIEW
The Farmall 450 features a robust 4.6L International Harvester engine available in gasoline, diesel, or LP gas configurations, catering to diverse fuel preferences and operational costs. The gasoline variant offers easier starting and lower initial costs, while the diesel provides enhanced torque and fuel efficiency, making it ideal for heavy-duty applications. However, the LP gas option can be more efficient and cleaner-burning, reducing emissions, which becomes advantageous in environmentally sensitive areas.
| Description |
International Harvester 4.6L 4-cyl gasoline International Harvester 4.6L 4-cyl diesel International Harvester 4.6L 4-cyl LP gas |
ENGINE DETAIL 1
The Farmall 450 features a robust International Harvester C281 4-cylinder gasoline engine with a displacement of 281ci, optimal for moderate power applications on the farm. With a lower compression ratio of 6.6:1 and a rated RPM of 1450, it may be less efficient compared to modern high-RPM engines, but it offers durability suitable for various tillage tasks. The oil bath air cleaner enhances filtration in dusty environments, making it advantageous for farm conditions but may require more maintenance to ensure optimal performance.
| Description |
International Harvester C281 gasoline 4-cylinder liquid-cooled vertical I-head |
| Displacement |
281ci / 4.6L |
| Bore/Stroke |
4.125x5.25inches / 105 x 133mm |
| Air cleaner |
oil bath |
| Compression |
6.6:1 |
| Rated RPM |
1450 |
| Starter volts |
6 |
| Coolant capacity |
28qts / 26.5L |
ENGINE DETAIL 2
The Farmall 450's diesel 4-cylinder engine offers a robust 281ci displacement and a high compression ratio of 17.45:1, which enhances fuel efficiency and power output at the rated RPM of 1450. With a bore/stroke ratio favoring torque production (4.125x5.25 inches), this tractor excels in heavy-duty applications, making it suitable for plowing and towing tasks. However, its reliance on a 12-volt starter means that electrical system maintenance is critical to ensure reliable starts under load conditions.
| Description |
International Harvester diesel 4-cylinder liquid-cooled vertical I-head |
| Displacement |
281ci / 4.6L |
| Bore/Stroke |
4.125x5.25inches / 105 x 133mm |
| Compression |
17.45:1 |
| Rated RPM |
1450 |
| Starter volts |
12 |
ENGINE DETAIL 3
The Farmall 450 tractor’s 4-cylinder LPG engine with a displacement of 281 ci (4.6L) offers robust power for farm applications while maintaining lower emissions compared to diesel counterparts. Its 8.35:1 compression ratio and 1450 RPM rated speed indicate moderate torque output, making it ideal for heavy-duty tasks such as plowing and hauling loads efficiently. However, the 6-volt starter may pose challenges in cold weather, necessitating a reliable maintenance approach to ensure optimal starting performance.
| Description |
International Harvester LP gas 4-cylinder liquid-cooled vertical I-head |
| Displacement |
281ci / 4.6L |
| Bore/Stroke |
4.125x5.25inches / 105 x 133mm |
| Compression |
8.35:1 |
| Rated RPM |
1450 |
| Starter volts |
6 |
FARMALL 450 ENGINES
The Farmall 450 features a 4.6L engine available in gasoline, diesel, and LP gas configurations, offering versatility depending on fuel availability and performance needs. Its 21-gallon fuel tank allows for extended operation, minimizing downtime for refueling during long tasks, which benefits large agricultural operations. However, the choice of fuel type impacts efficiency; gasoline may offer smoother operation, while diesel provides better torque for heavy-duty applications.
| Description |
International Harvester 4.6L 4-cyl gasoline International Harvester 4.6L 4-cyl diesel International Harvester 4.6L 4-cyl LP gas |
| Fuel tank |
21gal / 79.5L |
TRANSMISSION
The Farmall 450 features an International Harvester Torque Amplifier, allowing seamless shifting for enhanced productivity during variable load conditions. Its partial power shift transmission with 10 forward and 2 reverse gears is advantageous for tasks requiring frequent direction changes, though reliance on a dry disc clutch can increase wear under heavy load applications. Operators should be mindful of maintaining clutch adjustment for optimal performance and longevity.
| Transmission |
International Harvester Torque Amplifier |
| Type |
partial power shift |
| Gears |
10 forward and 2 reverse |
| Clutch |
dry disc |
MECHANICAL
The Farmall 450 features a 4x2 2WD chassis, providing essential maneuverability in flat terrains, but may struggle with traction in hilly or muddy conditions. The power assist steering enhances operator comfort, particularly during extended use, while the mechanical disc brakes offer reliable stopping power, albeit with potential maintenance requirements. The 10-speed partial power shift transmission allows for versatile speed control, making it suitable for various farming operations, though it may require operator skill for optimal use.
| Chassis |
4x2 2WD |
| Steering |
power assist |
| Brakes |
mechanical disc |
| Cab |
Open operator station |
| Transmission |
10-speed partial power shift |
HYDRAULICS
| Type |
Hydra-Touch |
| Valves |
1 to 3 |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
transmission / independent (optional) |
| Rear RPM |
540 |
FARMALL 450 TIRES
The Farmall 450 tractor equipped with Ag front tires (6.00-16) and rear Ag tires (13.6-38) provides a balanced weight distribution and stability, which is advantageous for field operations and transport on uneven terrain. The larger rear tires enhance traction and power to the ground, making it suitable for plowing and heavy tillage. However, the tire sizes necessitate proper maintenance and potential adjustment in tire pressure to optimize performance under varying load conditions.
| Ag front |
6.00-16 |
| Ag rear |
13.6-38 |
DIMENSIONS
| Wheelbase |
95.75inches / 243cm |
| Length |
143inches / 363cm |
| Width |
84inches / 213cm |
| Height (steering wheel) |
80inches / 203cm |
| Weight |
6,519lbs / 2957kg |
DIMENSIONS & TIRES
The Farmall 450 features a 95.75-inch wheelbase, providing stability for diverse terrains, which is crucial for both maneuverability and load-bearing capacity. Weighing 6,519 lbs, it can effectively handle heavy implements but may face challenges in transport over soft soil conditions due to its weight. The combination of front tires (6.00-16) and rear tires (13.6-38) supports good traction and flotation, making it suitable for plowing and tilling in various agricultural scenarios.
| Wheelbase |
95.75inches / 243cm |
| Weight |
6,519lbs / 2957kg |
| Front tire |
6.00-16 |
| Rear tire |
13.6-38 |
450 SERIAL NUMBERS
| Location |
Serial number plate on the left side of the Farmall 450 clutch housing |
| 1956 |
501 |
| 1957 |
1734 |
| 1958 |
21871 |
BELT PULLEY
| Diameter |
11inches / 27cm |
| Width |
7inches / 17cm |
| RPM |
899 |
| Speed |
2588ft/min / 788.82meters/min |
