International Harvester Cub Lo-Boy
Power
13 hp
Production
1955-1968
Engine
Gasoline, 4-cylinder
Transmission
Sliding gear
Weight
1620 lbs [734 kg]
Drive
2WD
Introduction
International Harvester Cub Lo-Boy Utility Tractor
The International Harvester Cub Lo-Boy is a compact utility tractor produced between 1955 and 1968 in Louisville, Kentucky. Based on the standard Cub platform, this model features a lowered profile achieved through shorter front spindles and modified final drives, maintaining the signature offset engine and steering layout known as Cultivision.
Engine and Power
The tractor is powered by the International Harvester C60, a 59.5 cubic inch (1.0 L) liquid-cooled, 4-cylinder gasoline engine. It produces 13.4 horsepower (10.0 kW) at a rated speed of 1800 RPM. The engine utilizes a 1-3-4-2 firing order and features specific maintenance clearances of 0.013 inches for both intake and exhaust valves.
Transmission and Mechanical Systems
Power is delivered through a manual sliding gear transmission offering 3 forward and 1 reverse gear, coupled with a dry disc clutch. The tractor utilizes two-wheel drive with bull gear final drives. Steering is manual, and the operator station is of the open-platform type.
Hydraulics and Hitch
The hydraulic system is an open-center design providing a pump flow of 2.8 gallons per minute (10.6 lpm) at a pressure of 1200 psi (82.7 bar). Implement attachment is supported by the optional IH Fast Hitch system.
Dimensions and Chassis
With a wheelbase of 62 inches and a total length of 92 inches, the tractor maintains a compact footprint. It weighs 1,620 lbs (734 kg) and offers a ground clearance of 14 inches (35 cm) at both front and rear axles. The machine runs on 4.00-12 front agricultural tires and 8.3-24 rear agricultural tires.
Conclusion
The International Harvester Cub Lo-Boy is a specialized utility tractor designed for applications requiring a lower center of gravity and excellent operator visibility. Its compact dimensions and robust mechanical configuration make it suitable for small-scale agricultural tasks and maintenance work.
Production Information of International Harvester, Cub Lo-Boy
- The Cub Lo-Boy is very similar to the standard Cub. The Lo-Boy using shorter front end spindles and rotating the final drive made the Lo-Boy about 8 inches shorter than the standard Cub. Both the standard Cub and the Lo-Boy had the IH "Cultivision" offset engine and steering.
- Utility tractor
- Built in Louisville, Kentucky, USA
| Manufacturer | International Harvester |
|---|
Dimension and Tires Information of International Harvester, Cub Lo-Boy
| Clearance (rear axle) | 14 inches [35 cm] |
|---|---|
| Wheelbase | 62 inches [157 cm] |
| Weight | 1620 lbs [734 kg] |
| Height (steering wheel) | 56.25 inches [142 cm] |
| Length | 92 inches [233 cm] |
| Rear axle | 1.56 inch diameter [39 mm] |
| Clearance (front axle) | 14 inches [35 cm] |
| Width | 48.25 inches [122 cm] |
| Rear tread | 40 to 56 inches [101 to 142 cm] |
| Front tread | 43 to 55 inches [109 to 139 cm] |
Width at minimum tread.
| Ag front | 4.00-12 |
|---|---|
| Ag rear | 8.3-24 |
Engine Specifications of International Harvester, Cub Lo-Boy
- International Harvester C60
- Liquid-cooled
- 4-cylinder
- Gasoline
| Exhaust valve clearance | 0.013 inches (cold) [0.330 mm] |
|---|---|
| Intake valve clearance | 0.013 inches (cold) [0.330 mm] |
| Rated RPM | 1800 |
| Rated RPM(optional) | 12 (late) |
| Starter volts | 6 (early) |
| Displacement | 59.5 ci [1.0 L] |
| Power | 13.4 hp [10.0 kW] |
| Firing order | 1-3-4-2 |
| Bore/Stroke | 2.625x2.75 inches [67 x 70 mm] |
| Sparkplug gap | 0.023 inches [0.584 mm] |
| Coolant capacity | 9.75 qts [9.2 L] |
| Oil capacity | 3 qts [2.8 L] |
Transmission Information of International Harvester, Cub Lo-Boy
Transmission variants 1
| Type | Sliding gear |
|---|---|
| Gears | 3 forward and 1 reverse |
| Clutch | Dry disc |
Mechanical Specs of International Harvester, Cub Lo-Boy
- Two-wheel drive
- Open operator station.
- Manual steering
| Final drives | Bull gear |
|---|
Power Information of International Harvester, Cub Lo-Boy
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | Cub-10 (0.9375) |
| Engine RPM | -1800@1800 |
Hydraulics Specifications of International Harvester, Cub Lo-Boy
| Type | Open center |
|---|---|
| Pressure | 1200 psi [82.7 bar] |
| Pump flow | 2.8 gpm [10.6 lpm] |
Three-Point Hitch of International Harvester, Cub Lo-Boy
| Type(optional) | IH Fast Hitch |
|---|
Electrical System of International Harvester, Cub Lo-Boy
| Ground | Positive (early) |
|---|---|
| Ground(optional) | 12 (late) |
| Ground(optional) | Negative (late) |
| Battery volts | 6 (early) |
Where it sits
With 13 HP, the International Harvester Cub Lo-Boy sits between D-212 (12 HP) and D-214 (14 HP) in International Harvester's range. Its power puts it in the 5th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the International Harvester Cub Lo-Boy have?
The International Harvester Cub Lo-Boy delivers 13 HP.
What years was the International Harvester Cub Lo-Boy produced?
The International Harvester Cub Lo-Boy was produced in 1955-1968.
What engine does the International Harvester Cub Lo-Boy have?
The International Harvester Cub Lo-Boy is powered by a Gasoline, 4-cylinder engine.
What transmission does the International Harvester Cub Lo-Boy use?
The International Harvester Cub Lo-Boy uses a Sliding gear transmission.
How much does the International Harvester Cub Lo-Boy weigh?
The International Harvester Cub Lo-Boy weighs 1620 lbs [734 kg].
Is the International Harvester Cub Lo-Boy 4WD?
The International Harvester Cub Lo-Boy is available in 2WD.