Huber 20-40 Super Four Tractor

Manufacturer Huber
Price -
Model 20-40 Super Four
Equipment Type Standard-Tread Tractors
Factory Marion, Ohio, USA

NEBRASKA TRACTOR TEST 126

Description Gasoline 2WD/September 7 - 15, 1926/Link: Nebraska Tractor Test 126 file/Drawbar performance
Belt power (max) 50.05 hp/37.3 kW
Belt fuel use (max) 7.1 gal/hour/26.9 l/hour
Max power 40.79 hp/30.4 kW
Max pull 5932.5 lbs/2690 kg

HUBER 20-40 SUPER FOUR POWER

Drawbar (claimed) 20 hp/14.9 kW
Belt (claimed) 40 hp/29.8 kW
Plows 4
Drawbar (tested) 40.79 hp/30.4 kW
Belt (tested) 50.05 hp/37.3 kW

ENGINE DETAIL

The Huber 20-40 Super Four tractor features a robust 8.8L gasoline engine with a liquid-cooled 4-cylinder design, providing efficient thermal management for prolonged operation. With a notable bore and stroke of 5.125x6.50 inches, it delivers substantial torque at a low rated RPM of 1100, making it suitable for heavy-duty agricultural tasks. However, the relatively low RPM may limit top-end speed, presenting a challenge in high-speed transport scenarios; it excels in applications requiring continuous power over prolonged usage.

Description Stearns/gasoline/4-cylinder/liquid-cooled
Displacement 536 ci/8.8 L
Bore/Stroke 5.125x6.50 inches/130 x 165 mm
Air cleaner oil spray
Rated RPM 1100
Coolant capacity 46 qts/43.5 L

HUBER 20-40 SUPER FOUR ENGINE

The Huber 20-40 Super Four features a robust Stearns 8.8L 4-cylinder gasoline engine, offering a balance of power and efficiency suitable for agricultural operations. With a 50-gallon fuel tank, it ensures extended operation periods, reducing downtime for refueling on large fields. However, the reliance on gasoline may limit fuel availability in remote areas compared to diesel alternatives, particularly for extended use scenarios.

Description Stearns 8.8L 4-cyl gasoline
Fuel tank 50 gal/189.3 L

TRANSMISSION

The Huber 20-40 Super Four tractor features a basic gear transmission system with 2 forward and 1 reverse gear, enabling straightforward operational control. The dry disc clutch provides reliable engagement but may require more frequent maintenance compared to oil-bath clutches, particularly in adverse conditions. This tractor is suited for lighter agricultural tasks or small-scale operations due to its limited gear range.

Type gear
Gears 2 forward and 1 reverse
Clutch dry disc

MECHANICAL

The Huber 20-40 Super Four features a 4x2 2WD chassis, suitable for flat terrains but may struggle in off-road conditions due to limited traction. The manual steering provides simplicity and ease of maintenance, although it can lead to fatigue in extended use. Its 2-speed gear transmission allows for versatility in speed selection, making it ideal for lighter agricultural tasks and towing operations, but may limit power during heavy-duty applications.

Chassis 4x2 2WD
Steering manual
Cab Open operator station.
Transmission 2-speed gear

HUBER 20-40 SUPER FOUR TIRES

The Huber 20-40 Super Four features 40x7-inch front steel wheels and 56x18-inch rear steel wheels, providing excellent traction and stability for agricultural tasks. The larger rear wheels enhance load-bearing capacity and field performance, which is ideal for plowing and cultivating. However, the all-steel construction may result in increased weight, potentially limiting mobility on softer ground conditions.

Ag front 40x7 (steel)
Ag rear 56x18 (steel)

DIMENSIONS

Wheelbase 95 inches/241 cm
Length 160 inches/406 cm
Width 84 inches/213 cm
Height (hood) 62 inches/157 cm
Operating weight 9186 lbs/4166 kg

DIMENSIONS & TIRES

The Huber 20-40 Super Four tractor features a 95-inch wheelbase, providing enhanced stability and maneuverability for various agricultural tasks. Weighing 9186 lbs, its substantial mass allows for improved traction in rugged terrains, though it may pose challenges in transportability. With front tires sized at 40x7 and rear tires at 56x18, this configuration supports optimal weight distribution and ensures effective power delivery in field operations.

Wheelbase 95 inches/241 cm
Weight 9186 lbs/4166 kg
Front tire 40x7
Rear tire 56x18

BELT PULLEY

Diameter 15.5 inches/39 cm
Width 8 inches/20 cm
RPM 666


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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