The Huber 25-50 Master Four is a compact tractor model with a rated output of 25 hp. It was manufactured from 1922 to 1925. The tractor features a 4-cylinder petrol liquid-cooled engine, transmitting power to two wheels through a 2-speed gearbox. Its listed weight is 3855 kg, suitable for tasks covering approximately 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
25 hp
Weight
3855 kg
Catalogue coverage
Variants represented
2
Richest spec table
31 rows
Recorded power
25 hp
Recorded weight
3855 kg
Transmissions
2-speed gear
Production years
1922-1925
Verified variants
0
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Overview
ManufacturerHuberReference
Standard-tread tractorReference
Built in Marion, Ohio, USAReference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
Hinkley 6.3L 4-cyl gasolineReference
Drawbar (claimed)18.6 kWReference
Belt (claimed)37.3 kWReference
HinkleyReference
gasolineReference
4-cylinderReference
liquid-cooledReference
Displacement6.3 LReference
Bore/Stroke114 x 152 mmReference
Transmission
2-speed gearReference
TypegearReference
Gears2 forward and 1 reverseReference
Clutchdry discReference
Dimensions
Weight3855 kgReference
Front tire38x7Reference
Rear tire60x16Reference
Ag front38x7 (steel)Reference
Ag rear60x16 (steel)Reference
Length373 cmReference
Width218 cmReference
Height (hood)167 cmReference
Capacities
Diameter34 cmReference
Width20 cmReference
RPM1000Reference
Speed987.86 meters/minReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
