Introduction
Earthmaster Model D Tractor
The Earthmaster Model D is a vintage agricultural tractor produced between 1948 and 1958 in Burbank, California, USA. Designed for small to medium-scale farming operations, this two-wheel-drive machine represents the post-war era of American agricultural mechanization.
Engine and Performance
The tractor is powered by a 4-cylinder, liquid-cooled, vertical L-head engine with a displacement of 62 cubic inches (1.0 L). It operates at a rated speed of 2000 RPM and produces a torque of 37 lb-ft (50.2 Nm) at 1600 RPM. The engine cooling system has a capacity of 6 quarts (5.7 L), and the oil capacity is 4 quarts (3.8 L).
Transmission and Drivetrain
The drivetrain features a manual transmission providing 3 forward gears and 1 reverse gear. The transmission oil capacity is 2.5 quarts (2.4 L). It is recommended to use SAE 90 oil for temperatures below 32°F (0°C) and SAE 140 oil for temperatures above 32°F (0°C). The machine is equipped with disc brakes for operational safety.
Dimensions and Chassis
The Earthmaster D has a wheelbase of 66 inches (167 cm) and an overall length of 98 inches (248 cm). It measures 71 inches (180 cm) in width and 61 inches (154 cm) in height. The tractor offers a ground clearance of 20 inches (50 cm), facilitating work in various field conditions. It is fitted with 4.00x15 agricultural tires on the front and 9x24 agricultural tires on the rear.
Conclusion
The Earthmaster D is a compact and durable tractor suited for hobby farming, light field work, or historical collection. Its straightforward mechanical design, including a standard rear PTO and 2WD configuration, makes it a reliable piece of machinery for enthusiasts of 1950s agricultural equipment.
Production Information of Earthmaster, D
- Built in Burbank, California, USA
| Manufacturer | Earthmaster |
|---|
Dimension and Tires Information of Earthmaster, D
| Wheelbase | 66 inches [167 cm] |
|---|---|
| Ground clearance | 20 inches [50 cm] |
| Height | 61 inches [154 cm] |
| Length | 98 inches [248 cm] |
| Width | 71 inches [180 cm] |
| Ag front | 4.00x15 |
|---|---|
| Ag rear | 9x24 |
Engine Specifications of Earthmaster, D
- Liquid-cooled vertical L-head
- 4-cylinder
| Rated RPM | 2000 |
|---|---|
| Displacement | 62 ci [1.0 L] |
| Oil capacity | 4 qts [3.8 L] |
| Torque | 37 lb-ft [50.2 Nm] |
| Bore/Stroke | 2.385x3.50 inches [61 x 89 mm] |
| Coolant capacity | 6 qts [5.7 L] |
| Torque RPM | 1600 |
Transmission Information of Earthmaster, D
Transmission variants 1
| Gears | 3 forward and 1 reverse |
|---|---|
| 32oF [0oC]↓ | : SAE90 |
| 32oF [0oC]↑ | : SAE140 |
| Oil capacity | 2.5 qts [2.4 L] |
| Oil type | 32oF [0oC]↑ : SAE140 32oF [0oC]↓ : SAE90 |
Mechanical Specs of Earthmaster, D
- Two-wheel drive
- Disc brakes
Power Information of Earthmaster, D
| Rear PTO | Transmission |
|---|
Frequently asked questions
How much horsepower does the Earthmaster D have?
The Earthmaster D delivers unknown HP.
What years was the Earthmaster D produced?
The Earthmaster D was produced in 1948-1958.
What engine does the Earthmaster D have?
The Earthmaster D is powered by a 4-cylinder engine.
Is the Earthmaster D 4WD?
The Earthmaster D is available in 2WD.