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Huber 25-50 Master Four

Huber 25-50 Master Four tractor
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The Huber 25-50 Master Four is a standard-tread farm tractor produced by Huber from 1922 to 1925 in Marion, Ohio, USA. It features a Hinkley 6.3L 4-cylinder liquid-cooled gasoline engine delivering 25 hp at the drawbar and 50 hp at the belt. The tractor has a 2-speed gear transmission with dry disc clutch, two-wheel drive, and manual steering with an open operator station. It rides on steel 38x7 front and 60x16 rear tires and weighs 8500 lbs (3855 kg).
Huber 25-50 Master FourHuber tractor25-50 Master Four specsfarm tractorHinkley engine1920s tractors
Power55 hp[B]
Founded1922 - 1925
Model25-50 Master Four

Technical Specifications

Detailed specifications and technical data for Huber 25-50 Master Four

Power

Belt (claimed):50 hp (37.3 kW)
Drawbar (claimed):25 hp (18.6 kW)

Tires

Rear tire:60x16 (steel)
Front tire:38x7 (steel)

Engine

Model:Hinkley 6.3L 4-cyl gasoline
Cooling:liquid-cooled
Cylinders:4-cylinder
Fuel type:gasoline
Bore/Stroke:4.50x6.00 inches (114 x 152 mm)
Displacement:382 ci (6.3 L)
Manufacturer:Hinkley

Dimensions

Width:86 inches (218 cm)
Length:147 inches (373 cm)
Weight:8500 lbs (3855 kg)
Height (hood):66 inches (167 cm)

Mechanical

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Marion, Ohio, USA
Manufacturer:Huber
Years produced:1922 - 1925

Belt Pulley

RPM:1000
Speed:3241 ft/min (987.86 meters/min)
Width:8 inches (20 cm)
Diameter:13.5 inches (34 cm)

Transmission

Type:gear
Gears:2 forward and 1 reverse
Clutch:dry disc