Wallis OK 15-27
The Wallis OK 15-27 is a tractor produced by Wallis. It is equipped with a 326.3 ci 5.3 L engine. Transmission: 2 forward and 1 reverse. Operating weight: 3,630 lbs 1646 kg.
Fuel & Capacities
Gasoline
Transmission
2 forward and 1 reverse
Operating Weight
3,630 lbs
1646 kg
Overview
 | 1923 - 1927
Standard-tread tractor |
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Production | |
|---|---|
Manufacturer | Wallis (a part of J.I. Case Plow Works) |
Standard-tread tractor | |
Built in Racine, Wisconsin, USA | |
Wallis OK 15-27 Engine | |
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Wallis 5.3L 4-cyl gasoline | |
Engine details ...  |
Wallis OK 15-27 Transmission | |
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2-speed gear | |
Transmission details ...  |
Wallis OK 15-27 Power | |
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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 |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual |
Dimensions & Tires | |
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Weight | 3,630 lbs
1646 kg |
Front tire | 30x8 |
Rear tire | 48x12 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 18.5 inches
46 cm |
Width | 7 inches
17 cm |
RPM | 475 |
Speed | 2,300 ft/min
701.04 meters/min |
Engine
Engine Detail — 326.3 ci / 5.3 L Gasoline
Manufacturer | Wallis |
Fuel Type | Gasoline |
Configuration | 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 |
Transmission
Transmission — 2 forward and 1 reverse gear
Type | gear |
Gears | 2 forward and 1 reverse |
 | |
Dimensions
Wallis OK 15-27 Tires | |
|---|---|
Ag front | 30x8 (steel) |
Ag rear | 48x12 (steel) |
Dimensions | |
|---|---|
Length | 132 inches
335 cm |
Width | 61 inches
154 cm |
Height | 65 inches
165 cm |
Weight | 3,630 lbs
1646 kg |
Tests
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 |
Photos
Wallis OK 15-27 tractor photo
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Wallis OK 15-27.
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 OK 15-27 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Wallis OK 15-27.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
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