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Wallis K 15-25 vs Wallis OK 15-27
Verdict: Wallis K 15-25 vs Wallis OK 15-27
The Wallis K 15-25 and the Wallis OK 15-27 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 15 hp. Wallis K 15-25 is the lighter machine (1,587 kg vs 1,646 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 1919). 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
Wallis
62
Fit score
Best match
Clear
Wallis
62
Fit score
Best match
Clear
Rated power
15 hp
15 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Wallis (a part of J.I. Case Plow Works)Reference
Wallis (a part of J.I. Case Plow Works)Reference
Drawbar performanceReference
Drawbar performanceReference
Steering
manualReference
manualReference
Engine
Drawbar (claimed)
11.2 kWReference
11.2 kWReference
Belt (claimed)
18.6 kWReference
20.1 kWReference
Plows
2-3 (14 inch)Reference
—
Drawbar (tested)
13.9 kWReference
13.5 kWReference
Belt (tested)
22.3 kWReference
21.3 kWReference
Displacement
5.3 LReference
5.3 LReference
Bore/Stroke
108 x 146 mmReference
108 x 146 mmReference
Rated RPM
900Reference
1000Reference
Starter type
hand-crankReference
hand-crankReference
Belt power (max)
22.3 kWReference
21.3 kWReference
Max power
13.9 kWReference
13.5 kWReference
Transmission
Type
gearReference
gearReference
Gears
2 forward and 1 reverseReference
2 forward and 1 reverseReference
Dimensions
Weight
1587 kgReference
1646 kgReference
Length
335 cmReference
335 cmReference
Height
165 cmReference
165 cmReference
Front tire
—
30x8Reference
Rear tire
—
48x12Reference
Ag front
—
30x8 (steel)Reference
Ag rear
—
48x12 (steel)Reference
Capacities
Diameter
45 cmReference
46 cmReference
Width
154 cmReference
154 cmReference
RPM
430Reference
475Reference
Speed
615.70 meters/minReference
701.04 meters/minReference
Test results
Belt fuel use (max)
12.1 l/hourReference
13.2 l/hourReference
Max pull
1261 kgReference
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.