Overview
The Huber 25-50 Master Four is a heavy-duty standard-tread farm tractor manufactured in Marion, Ohio, featuring a 6.3L Hinkley four-cylinder liquid-cooled engine. This 8,500-pound machine provides a claimed 50 hp belt and 25 hp drawbar output, making it a robust solution for early 20th-century agricultural needs.
Ideal Applications
Stationary Belt Work:
Utilizing a belt pulley that runs at 1000 RPM and a claimed 50 hp, this tractor is designed to power large stationary equipment like threshers or sawmills.
Heavy Drawbar Tasks:
The 8,500-pound weight and 25 hp drawbar capacity, supported by 60x16 steel rear tires, allow for significant pulling power in various field conditions.
Standard Field Operations:
The two-speed gear transmission and manual steering provide basic, reliable control for general farm applications requiring a high-displacement gasoline engine.
Production
| Description | Standard-tread tractor / Built in Marion, Ohio, USA |
|---|---|
| Manufacturer | Huber |
Engine
| Engine type | Hinkley 6.3L 4-cyl gasoline |
|---|---|
| Bore/Stroke | 4.50x6.00 inches (114 x 152 mm) |
| Description | Hinkley / gasoline / 4-cylinder / liquid-cooled |
| Displacement | 382 ci (6.3 L) |
| Belt (claimed) | 50 hp (37.3 kW) |
| Drawbar (claimed) | 25 hp (18.6 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 2 forward and 1 reverse |
| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
Dimensions & Tires
| Height (hood) | 66 inches (167 cm) |
|---|---|
| Length | 147 inches (373 cm) |
| Weight | 8500 lbs (3855 kg) |
| Width | 86 inches (218 cm) |
| Front tire | 38x7 |
| Rear tire | 60x16 |
| Weight | 8500 lbs (3855 kg) |
| Ag front | 38x7 (steel) |
| Ag rear | 60x16 (steel) |
Belt Pulley
| Diameter | 13.5 inches (34 cm) |
|---|---|
| RPM | 1000 |
| Speed | 3241 ft/min (987.86 meters/min) |
| Width | 8 inches (20 cm) |