Wallis OK 15-27 tractor specifications

1923 - 1927

1923 - 1927 Standard-tread tractor

Production

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

Wallis OK 15-27 Power

Wallis OK 15-27 Power Drawbar (claimed):15 hp
11.2 kW
Belt (claimed):27 hp
20.1 kW
Drawbar (tested):18.15 hp
13.5 kW
Belt (tested):28.60 hp
21.3 kW
power test details ...

1923 - 1927

Standard-tread tractor

Nebraska Tractor Test 92

Nebraska Tractor Test 92
Gasoline 2-speed 2WD April 26 - May 5, 1923
Belt power (max):	28.60 hp 21.3 kW
Belt fuel use (max):	3.5 gal/hour 13.2 l/hour
Drawbar performance
Max power:	18.15 hp 13.5 kW
Max pull:	2,590 lbs 1174 kg

Wallis OK 15-27 Engine

Wallis OK 15-27 Engine Wallis 5.3L 4-cyl gasoline Engine details ...

1923 - 1927

Standard-tread tractor

Engine Detail

Engine Detail
Wallis
gasoline
4-cylinder
liquid-cooled
Displacement:	326.3 ci 5.3 L
Bore/Stroke:	4.25x5.75 inches 108 x 146 mm
Rated RPM:	1000
Starter type:	hand-crank