Overview
The Huber 21-39 Super Four is a standard-tread farm tractor built in Marion, Ohio, powered by a 7.6L 4-cylinder Stearns gasoline engine. This 8,450 lb machine features a two-speed gear transmission and a 4-plow capacity, making it a robust choice for heavy-duty agricultural tasks.
Ideal Applications
Plowing Operations:
With a claimed drawbar power of 21 hp and a specific capacity for 4 plows, this tractor is built for primary tillage and breaking ground.
Stationary Belt Work:
The integrated 15.5-inch belt pulley delivers 39 claimed belt horsepower at 695 RPM, ideal for powering threshers and other belt-driven farm equipment.
Heavy Draft Tasks:
An operating weight of 8,450 lbs combined with large 56-inch steel rear wheels provides the necessary mass and traction for demanding two-wheel drive farm applications.
Production
| Description | Standard-tread tractor / Built in Marion, Ohio, USA |
|---|---|
| Manufacturer | Huber |
Engine
| Engine type | Stearns 7.6L 4-cyl gasoline |
|---|---|
| Fuel tank | 40 gal (151.4 L) |
| Air cleaner | oil spray |
| Bore/Stroke | 4.75x6.50 inches (121 x 165 mm) |
| Coolant capacity | 40 qts (37.9 L) |
| Description | Stearns / gasoline / 4-cylinder / liquid-cooled |
| Displacement | 461 ci (7.6 L) |
| Rated RPM | 1000 |
| Belt (claimed) | 39 hp (29.1 kW) |
| Drawbar (claimed) | 21 hp (15.7 kW) |
| Plows | 4 |
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) | 62 inches (157 cm) |
|---|---|
| Length | 158 inches (401 cm) |
| Operating weight | 8450 lbs (3832 kg) |
| Wheelbase | 93 inches (236 cm) |
| Width | 76 inches (193 cm) |
| Front tire | 40x5 |
| Rear tire | 56x14 |
| Weight | 8450 lbs (3832 kg) |
| Wheelbase | 93 inches (236 cm) |
| Ag front | 40x5 (steel) |
| Ag rear | 56x14 (steel) |
Belt Pulley
| Diameter | 15.5 inches (39 cm) |
|---|---|
| RPM | 695 |
| Width | 8 inches (20 cm) |