Wallis 20-30
The Wallis 20-30 is a tractor produced by Wallis. It is equipped with a 346 ci 5.7 L engine. Transmission: 2 forward and 1 reverse. Operating weight: 4,136 lbs 1876 kg.
Fuel & Capacities
20 gal
75.7 L
Transmission
2 forward and 1 reverse
Operating Weight
4,136 lbs
1876 kg
Overview
 | 1927 - 1932
Standard-tread tractor |
|---|
Production | |
|---|---|
Manufacturer | Wallis (a part of J.I. Case Plow Works) |
Standard-tread tractor | |
Built in Racine, Wisconsin, USA | |
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 ...  | |
Wallis 20-30 Transmission | |
|---|---|
2-speed gear | |
Transmission details ...  |
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 |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual |
Open operator station. | |
Dimensions & Tires | |
|---|---|
Wheelbase | 84 inches
213 cm |
Weight | 4,136 lbs
1876 kg |
Rear tire | 48x12 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 19 inches
48 cm |
Width | 7 inches
17 cm |
RPM | 475 |
References | |
|---|---|
 | |
20-30 Tractor / 12-20 Tractor published by Wallis |
Engine
Engine Detail — 346 ci / 5.7 L Gasoline
Manufacturer | Wallis |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 346 ci
5.7 L |
Bore/Stroke | 4.375x5.75 inches
111 x 146 mm |
Rated RPM | 1050 |
Starter type | hand-crank |
Transmission
Transmission — 2 forward and 1 reverse gear
Type | gear |
Gears | 2 forward and 1 reverse |
Clutch | dry disc |
 | |
Dimensions
Wallis 20-30 Tires | |
|---|---|
Ag rear | 48x12 (steel) |
Dimensions | |
|---|---|
Wheelbase | 84 inches
213 cm |
Length | 131.5 inches
334 cm |
Height | 55 inches
139 cm |
Weight | 4,136 lbs
1876 kg |
Tests
Nebraska Tractor Test 134 | |
|---|---|
Gasoline 2-speed 2WD
April 29 - May 10, 1927
Link: Nebraska Tractor Test 134 file | |
Belt power (max) | 35.29 hp
26.3 kW |
Belt fuel use (max) | 4.2 gal/hour
15.9 l/hour |
Drawbar performance | |
Max power | 27.01 hp
20.1 kW |
Max pull | 3,409 lbs
1546 kg |
Photos
Wallis 20-30
Wallis 20-30
Detail of Wallis 20-30 engine.
Detail of Wallis 20-30 radiator.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Wallis 20-30.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Wallis 20-30 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Wallis 20-30.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
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