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Wallis K 15-25

Wallis K 15-25 tractor
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The Wallis K 15-25 is a standard-tread farm tractor produced from 1919 to 1923 by Wallis, a part of J.I. Case Plow Works, built in Racine, Wisconsin, USA. It features a Wallis 5.3L 4-cylinder liquid-cooled gasoline engine with a hand-crank starter, rated at 900 RPM. The tractor has a 2-speed gear transmission with 2 forward and 1 reverse gears. It delivers a claimed drawbar power of 15 hp and belt power of 25 hp, with tested drawbar and belt powers of 18.58 hp and 29.87 hp respectively. The tractor is two-wheel drive with manual steering. Dimensions are 132 inches long, 61 inches wide, 65 inches high, and it weighs 3,500 lbs. The belt pulley diameter is 18 inches with a width of 6.75 inches, running at 430 RPM and a speed of 2,020 ft/min.
Wallis K 15-25Wallis tractorfarm tractor15 hp tractor25 hp belt power1919 tractorstandard-tread tractorWallis engine2-speed gear transmission
Power-
Founded-
ModelK 15-25

Technical Specifications

Detailed specifications and technical data for Wallis K 15-25

Power

Plows:2-3 (14 inch)
Belt (tested):29.87 hp (22.3 kW)
Belt (claimed):25 hp (18.6 kW)
Drawbar (tested):18.58 hp (13.9 kW)
Drawbar (claimed):15 hp (11.2 kW)

Engine

Type:gasoline
Cooling:liquid-cooled
Cylinders:4-cylinder
Rated RPM:900
Bore/Stroke:4.25x5.75 inches (108 x 146 mm)
Displacement:326.3 ci (5.3 L)
Engine model:Wallis 5.3L 4-cyl gasoline
Starter type:hand-crank

Dimensions

Width:61 inches (154 cm)
Height:65 inches (165 cm)
Length:132 inches (335 cm)
Weight:3,500 lbs (1587 kg)

Mechanical

Drive:Two-wheel drive
Steering:manual

Production

Type:Standard-tread tractor
Built in:Racine, Wisconsin, USA
Manufacturer:Wallis (a part of J.I. Case Plow Works)
Production years:1919 - 1923

Belt Pulley

RPM:430
Speed:2,020 ft/min (615.70 meters/min)
Width:6.75 inches (17 cm)
Diameter:18 inches (45 cm)

Transmission

Type:gear
Gears:2 forward and 1 reverse

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