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Wetmore 12-25

The Wetmore 12-25 is a standard-tread farm tractor produced from 1919 to 1938 by Wetmore in Souix City, Iowa, USA. It features multiple kerosene 4-cylinder liquid-cooled engine options from Rutenber, Weidely, and Waukesha, with displacements ranging from 4.5L to 4.8L. The tractor has a Fuller 3-speed gear transmission with a dry disc clutch and two-wheel drive with internal spur gear final drives. It delivers a claimed drawbar power of 12 hp and belt power of 25 hp, with tested drawbar and belt powers higher. The tractor weighs 2900 lbs and has a wheelbase of 74 inches. It uses steel tires sized 28x5 front and 46x10 rear. The operator station is open, with manual steering and mechanical drum brakes.
Wetmore 12-25Wetmore tractor12-25 tractor specsfarm tractorkerosene enginestandard-tread tractor3-speed transmissiontractor dimensions
Power27 hp[B]
Founded1919 - 1938
Model12-25

Technical Specifications

Detailed specifications and technical data for Wetmore 12-25

Power

Plows:2 14-inch
Belt (tested):27.94 hp (20.8 kW)
Belt (claimed):25 hp (18.6 kW)
Drawbar (tested):16.10 hp (12.0 kW)
Drawbar (claimed):12 hp (8.9 kW)

Tires

Rear tire:46x10 (steel)
Front tire:28x5 (steel)

Engine

Weidely:kerosene, 4-cylinder, liquid-cooled, Displacement 276.5 ci (4.5 L), Bore/Stroke 4.00x5.50 inches (102 x 140 mm), Fuel system carburetor, Rated RPM 1265, Starter type hand crank
Rutenber:kerosene, 4-cylinder, liquid-cooled, Displacement 294 ci (4.8 L), Bore/Stroke 4.125x5.50 inches (105 x 140 mm), Fuel system Kingston carburetor, Starter type hand crank
Waukesha:kerosene, 4-cylinder, liquid-cooled, Displacement 289.02 ci (4.7 L), Bore/Stroke 4.00x5.75 inches (102 x 146 mm), Fuel system Kingston carburetor, Rated RPM 950, Starter type hand crank
Engine options:Rutenber 4.8L 4-cyl kerosene, Weidely 4.5L 4-cyl kerosene, Waukesha 4.7L 4-cyl kerosene

Dimensions

Weight:2900 lbs (1315 kg)
Wheelbase:74 inches (187 cm)
Rear tread:53 inches (134 cm)
Clearance (rear axle):17 inches (43 cm)
Clearance (front axle):12.5 inches (31 cm)

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical drum brakes
Steering:Manual steering
Final drives:internal spur gear
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Souix City, Iowa, USA
Manufacturer:Wetmore
Original price:$2,485 (1920), $1,585 (1921), $1,185 (1922)
Years produced:1919 - 1938

Belt Pulley

RPM:800
Width:7 inches (17 cm)
Diameter:12 inches (30 cm)

Transmission

Type:gear
Gears:3 forward and 1 reverse
Clutch:dry disc
Transmission:Fuller