Introduction
International Harvester B-275 Utility Tractor
The International Harvester B-275 is a utility tractor manufactured in Bradford, England, between 1958 and 1968. As part of the B-series, this two-wheel-drive machine was designed to serve as a versatile solution for general agricultural operations during the post-war era.
Engine and Performance
The tractor is powered by the International Harvester BC-144, a 2.3-liter, 4-cylinder liquid-cooled gasoline engine. It produces 35 horsepower at a rated speed of 2000 RPM, with a peak torque of 115 lb-ft (155.9 Nm) achieved at 1300 RPM. The engine features a 6.3:1 compression ratio and utilizes an oil bath air cleaner for operation in various environments.
Transmission and Drivetrain
The B-275 is equipped with a sliding gear transmission, providing 8 forward and 2 reverse speeds. This configuration is achieved through four gears with high and low ranges, allowing the operator to select the appropriate speed for specific field tasks. Power is delivered to the rear wheels, and the tractor includes a live 540 RPM rear PTO, facilitating the use of powered implements.
Hydraulics and Dimensions
The hydraulic system operates at a pressure of 2050 psi (141.3 bar) with a total flow of 6.5 gpm (24.6 lpm) and a fluid capacity of 3 gallons (11.4 liters). Structurally, the tractor measures 112 inches (284 cm) in length and features a wheelbase of 74.1 inches (188 cm). It offers a minimum width of 64 inches (162 cm) and a steering wheel height of 60 inches (152 cm).
Conclusion
With 52,432 units produced, the International Harvester B-275 remains a significant model for collectors and small-scale farmers. Its combination of a reliable gasoline engine, a multi-range transmission, and a standard live PTO makes it a practical utility tractor for light to medium-duty agricultural tasks.
Production Information of International Harvester, B-275
- Utility tractor
- Built in Bradford, England
| Manufacturer | International Harvester |
|---|---|
| Original price | $2,800 (1961) |
| Total built | 52,432 |
Dimension and Tires Information of International Harvester, B-275
| Clearance (front axle) | 18.5 inches [46 cm] |
|---|---|
| Wheelbase | 74.1 inches [188 cm] |
| Height (steering wheel) | 60 inches [152 cm] |
| Height (steering wheel)(optional) | 89 inches (max) [226 cm] |
| Length | 112 inches [284 cm] |
| Ground clearance | 16 inches (frame) [40 cm] |
| Width | 64 inches (min) [162 cm] |
| Ag front | 5.50-16 |
|---|---|
| Ag rear | 11-28 |
| Ag rear | 12-28 |
Engine Specifications of International Harvester, B-275
- International Harvester BC-144
- Liquid-cooled
- Gasoline
- 4-cylinder
| Coolant capacity | 10.8 qts [10.2 L] |
|---|---|
| Air cleaner | Oil bath |
| Compression | 6.3:1 |
| Torque | 115 lb-ft [155.9 Nm] |
| Rated RPM | 2000 |
| Displacement | 143.1 ci [2.3 L] |
| Power | 35 hp [26.1 kW] |
| Bore/Stroke | 3.375x4.00 inches [86 x 102 mm] |
| Oil capacity | 6.3 qts [6.0 L] |
| Starter volts | 12 |
| Torque RPM | 1300 |
Transmission Information of International Harvester, B-275
Transmission variants 1
- Four gears plus reverse with high and low ranges.
| Transmission | Sliding gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Oil capacity | 20 qts [18.9 L] |
Mechanical Specs of International Harvester, B-275
- Two-wheel drive
- Open operator station.
Power Information of International Harvester, B-275
| Rear PTO | Live |
|---|---|
| Rear PTO Type | 540 |
Hydraulics Specifications of International Harvester, B-275
| Capacity | 3 gal [11.4 L] |
|---|---|
| Pressure | 2050 psi [141.3 bar] |
| Total flow | 6.5 gpm [24.6 lpm] |
Three-Point Hitch of International Harvester, B-275
| Rear Type | 1/2 |
|---|
Where it sits
With 38 HP, the International Harvester B-275 sits between B-250 (30 HP) and B-414 (43 HP) in International Harvester's range. Its power puts it in the 51th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the International Harvester B-275 have?
The International Harvester B-275 delivers 38 HP.
What years was the International Harvester B-275 produced?
The International Harvester B-275 was produced in 1958-1968.
What engine does the International Harvester B-275 have?
The International Harvester B-275 is powered by a Gasoline, 4-cylinder engine.
What transmission does the International Harvester B-275 use?
The International Harvester B-275 uses a Sliding gear transmission.
Is the International Harvester B-275 4WD?
The International Harvester B-275 is available in 2WD.