Compare/Wallis Bear vs Wallis OK 15-27

Wallis Bear vs Wallis OK 15-27

Verdict: Wallis Bear vs Wallis OK 15-27

The Wallis Bear and the Wallis OK 15-27 are both tractors — here is how they stack up on the figures that matter. Wallis Bear leads on rated power with 30 hp against 15 hp. Wallis OK 15-27 is the lighter machine (1,646 kg vs 7,257 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Wallis OK 15-27 is the newer design (1923 vs 1910). In short: choose the Wallis Bear for outright pulling power, or the Wallis OK 15-27 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Wallis

Fit score

Best match

Clear

Wallis

Fit score

Best match

Clear

Rated power

30 hp

15 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Wallis (a part of J.I. Case Plow Works)Reference

Factories

Racine, Wisconsin, USAReference

—

The 7.5-inch bore engine is found on the only known remaining Wallis Bear tractor.Reference

Drawbar performanceReference

Drive

3x2 2WDReference

—

Steering

mechanical power assistReference

manualReference

Engine

Fuel tank

227.1 LReference

—

Drawbar (claimed)

22.4 kWReference

11.2 kWReference

Belt (claimed)

37.3 kWReference

20.1 kWReference

Plows

10Reference

—

Displacement

24.3 LReference

5.3 LReference

Bore/Stroke

190 x 229 mmReference

108 x 146 mmReference

Rated RPM

650Reference

1000Reference

Starter type

hand-crankReference

Drawbar (tested)

—

13.5 kWReference

Belt (tested)

—

21.3 kWReference

Belt power (max)

—

21.3 kWReference

Max power

—

13.5 kWReference

Transmission

Type

gearReference

Gears

3 forward and 1 reverseReference

2 forward and 1 reverseReference

Dimensions

Weight

7257 kgReference

1646 kgReference

Front tire

—

30x8Reference

Rear tire

—

48x12Reference

Ag front

—

30x8 (steel)Reference

Ag rear

—

48x12 (steel)Reference

Length

—

335 cmReference

Height

—

165 cmReference

Links

Capacities

Diameter

—

46 cmReference

Width

—

154 cmReference

RPM

—

475Reference

Speed

—

701.04 meters/minReference

Test results

Belt fuel use (max)

—

13.2 l/hourReference

Max pull

—

1174 kgReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.