Wetmore

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.
Power27 hp[B]
Founded1919 - 1938
Model12-25

Technical Specifications

Detailed specifications and technical data for Wetmore 12-25

Power
Plows2 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 tire46x10 (steel)
Front tire28x5 (steel)
Engine
Weidelykerosene, 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
Rutenberkerosene, 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
Waukeshakerosene, 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 optionsRutenber 4.8L 4-cyl kerosene, Weidely 4.5L 4-cyl kerosene, Waukesha 4.7L 4-cyl kerosene
Dimensions
Weight2900 lbs (1315 kg)
Wheelbase74 inches (187 cm)
Rear tread53 inches (134 cm)
Clearance (rear axle)17 inches (43 cm)
Clearance (front axle)12.5 inches (31 cm)
Mechanical
DriveTwo-wheel drive
BrakesMechanical drum brakes
SteeringManual steering
Final drivesinternal spur gear
Operator stationOpen operator station
Production
TypeStandard-tread tractor
Built inSouix City, Iowa, USA
ManufacturerWetmore
Original price$2,485 (1920), $1,585 (1921), $1,185 (1922)
Years produced1919 - 1938
Belt Pulley
RPM800
Width7 inches (17 cm)
Diameter12 inches (30 cm)
Transmission
Typegear
Gears3 forward and 1 reverse
Clutchdry disc
TransmissionFuller