Wallis 12-20 tractor specifications

1929 - 1932

1929 - 1932 Standard-tread tractor

Series:

Series:12-20 → 20-30

1927 - 1932

Standard-tread tractor

Production

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

Wallis 20-30 Power

Wallis 20-30 Power
Drawbar (claimed):	20 hp 14.9 kW
Belt (claimed):	30 hp 22.4 kW
Plows:	3
Drawbar (tested):	27.01 hp 20.1 kW
Belt (tested):	35.29 hp 26.3 kW
power test details ...

Wallis 20-30 Engine

Wallis 20-30 Engine
Wallis 5.7L 4-cyl gasoline
Fuel tank:	20 gal 75.7 L
Aux. fuel:	1.75 gal 6.6 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	manual
Cab:	Open operator station.
Transmission:	2-speed gear
Transmission details ...

Dimensions & Tires

Dimensions & Tires
Wheelbase:	84 inches 213 cm
Weight:	4,136 lbs 1876 kg
Rear tire:	48x12
Full dimensions and tires ...

Belt Pulley

Belt Pulley
Diameter:	19 inches 48 cm
Width:	7 inches 17 cm
RPM:	475

Production

Production Manufacturer:Wallis (a part of Massey-Harris)
Type:Standard-tread tractor
Factory:Racine, Wisconsin, USA

Wallis 12-20 Power

Wallis 12-20 Power Drawbar (claimed):12 hp
8.9 kW
Belt (claimed):20 hp
14.9 kW
Plows:2
Drawbar (tested):18.07 hp
13.5 kW
Belt (tested):24.16 hp
18.0 kW
power test details ...

1929 - 1932

Standard-tread tractor

Series:

12-20

→ 20-30

Nebraska Tractor Test 164

Nebraska Tractor Test 164
Gasoline 3-speed 2WD June 18 - 27, 1929 Link: Nebraska Tractor Test 164 file
Belt power (max):	24.16 hp 18.0 kW
Belt fuel use (max):	2.5 gal/hour 9.5 l/hour
Drawbar performance
Max power:	18.07 hp 13.5 kW
Max pull:	3,018 lbs 1368 kg

Wallis 12-20 Engine

Wallis 12-20 Engine Wallis 4.1L 4-cyl gasoline Engine details ...

1929 - 1932

Standard-tread tractor

Series:

12-20

→ 20-30

Engine Detail

Engine Detail
Wallis
gasoline
4-cylinder
liquid-cooled
Displacement:	248 ci 4.1 L
Bore/Stroke:	3.875x5.25 inches 98 x 133 mm
Rated RPM:	1000
Starter type:	hand-crank