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Caterpillar Thirty vs Caterpillar Twenty-Eight
Verdict: Caterpillar Thirty vs Caterpillar Twenty-Eight
The Caterpillar Thirty and the Caterpillar Twenty-Eight are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 31 hp. Caterpillar Twenty-Eight is the newer design (1933 vs 1925). 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
Caterpillar
62
Fit score
Best match
Clear
Caterpillar
62
Fit score
Best match
Clear
Rated power
31 hp
31 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
CaterpillarReference
CaterpillarReference
Gear 1 used for pull test.Reference
liquid-cooledReference
Factories
Peoria, Illinois, USAReference
—
Drive
crawlerReference
crawlerReference
Total built
—
1171Reference
Engine
Fuel tank
141.9 LReference
—
Aux. fuel
9.8 LReference
—
Drawbar (tested)
23.0 kWReference
—
Belt (tested)
27.1 kWReference
—
Displacement
7.6 LReference
4.5 LReference
Bore/Stroke
121 x 165 mmReference
106 x 140 mmReference
Fuel system
Zenith K5A carburetorReference
—
Air cleaner
oil bathReference
oil bathReference
Rated RPM
1400Reference
1100Reference
Belt power (max)
27.1 kWReference
—
Max power
23.0 kWReference
—
Drawbar (claimed)
—
22.7 kWReference
Belt (claimed)
—
28.0 kWReference
Transmission
Type
gearReference
gearReference
Gears
5 forward and 1 reverseReference
3 forward and 1 reverseReference
Clutch
dry discReference
—
Dimensions
Gauge
154 cmReference
—
Weight
—
3569 kgReference
Length
—
294 cmReference
Height
—
153 cmReference
Capacities
Diameter
30 cmReference
29 cmReference
Width
76 cmReference
156 cmReference
RPM
840Reference
935Reference
Speed
—
786.38 meters/minReference
Caterpillar Thirty Tracks
Test results
Max pull
2776 kgReference
—
PTO & Hydraulics
Rear PTO Type
—
540 (1.375)Reference
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.


