Power: 27 hp Date of manufacture : 1919 - 1923
Production Manufacturer: Wallis (a part of J.I. Case Plow Works) Type: Standard-tread tractor Factory: Racine, Wisconsin, USA Wallis K 15-25 Power Drawbar (claimed): 15 hp 11.2 kW Belt (claimed): 25 hp 18.6 kW Plows: 2-3 (14 inch) Drawbar (tested): 18.58 hp 13.9 kW Belt (tested): 29.87 hp 22.3 kW Wallis K 15-25 Engine Mechanical Chassis: 4x2 2WD Steering: manual Transmission: 2-speed gear Dimensions & Tires Weight: 3,500 lbs 1587 kg Full dimensions and tires ... Belt Pulley Diameter: 18 inches 45 cm Width: 6.75 inches 17 cm RPM: 430 Speed: 2,020 ft/min 615.70 meters/min

Wallis 20-30	Power: 33 hp	Date of manufacture : 1927 - 1932

Wallis Bear	Power: 55 hp	Date of manufacture : 1910 - 1914

Wallis Cub	Power: 57 hp	Date of manufacture : 1914 - 1917

Wallis Cub Junior	Power: 33 hp	Date of manufacture : 1917 - 1919

Wallis K 15-25	Power: 27 hp	Date of manufacture : 1919 - 1923

Wallis OK 15-27	Power: 30 hp	Date of manufacture : 1923 - 1927

Waterloo Manufacturing Company Bronco	Power: 11 hp	Date of manufacture : 1948 - 1950