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Keck-Gonnerman 15-30 vs Wallis Bear
Verdict: Keck-Gonnerman 15-30 vs Wallis Bear
The Keck-Gonnerman 15-30 and the Wallis Bear are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 30 hp. Keck-Gonnerman 15-30 is the lighter machine (2,948 kg vs 7,257 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Keck-Gonnerman 15-30 is the newer design (1920 vs 1910). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Keck-Gonnerman
62
Fit score
Best match
Clear
Wallis
62
Fit score
Best match
Clear
Rated power
30 hp
30 hp
Confidence
40%
40%
Guide price
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Overview
Manufacturer
Keck-GonnermanReference
Wallis (a part of J.I. Case Plow Works)Reference
liquid-cooledReference
The 7.5-inch bore engine is found on the only known remaining Wallis Bear tractor.Reference
Final drives
spur gearReference
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Factories
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Racine, Wisconsin, USAReference
Drive
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3x2 2WDReference
Steering
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mechanical power assistReference
Engine
Drawbar (claimed)
22.4 kWReference
22.4 kWReference
Belt (claimed)
11.2 kWReference
37.3 kWReference
Plows
3Reference
10Reference
Displacement
10.8 LReference
24.3 LReference
Bore/Stroke
184 x 203 mmReference
190 x 229 mmReference
Starter type
hand-crankReference
hand-crankReference
Fuel tank
—
227.1 LReference
Rated RPM
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650Reference
Transmission
Type
gearReference
gearReference
Gears
2 forward and 1 reverseReference
3 forward and 1 reverseReference
Dimensions
Weight
2948 kgReference
7257 kgReference
Rear tire
61x12Reference
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Ag rear
61x12 (steel)Reference
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Length
381 cmReference
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Height
243 cmReference
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Capacities
Diameter
30 cmReference
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Width
198 cmReference
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RPM
650Reference
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Speed
306.02 meters/minReference
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Links
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.