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Caterpillar R2 vs Caterpillar Thirty
Verdict: Caterpillar R2 vs Caterpillar Thirty
The Caterpillar R2 and the Caterpillar Thirty are both tractors — here is how they stack up on the figures that matter. Caterpillar Thirty leads on rated power with 31 hp against 27 hp. Caterpillar Thirty holds more fuel (141.9 L vs 75.7 L) for longer stints between fills. Caterpillar R2 is the newer design (1934 vs 1925). In short: choose the Caterpillar Thirty for outright pulling power, or the Caterpillar R2 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
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Fit & specs
Caterpillar
62
Fit score
Best match
Clear
Caterpillar
62
Fit score
Best match
Clear
Rated power
27 hp
31 hp
Confidence
40%
40%
Guide price
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—
Overview
Manufacturer
CaterpillarReference
CaterpillarReference
The five speed transmission was used on the R-2 4J and R-2 6J.Reference
Gear 1 used for pull test.Reference
Total built
1150 (6J)Reference
—
Drive
crawlerReference
crawlerReference
Factories
—
Peoria, Illinois, USAReference
Engine
Fuel tank
75.7 LReference
141.9 LReference
Drawbar (tested)
20.2 kWReference
23.0 kWReference
Belt (tested)
24.2 kWReference
27.1 kWReference
Displacement
3.6 LReference
7.6 LReference
Bore/Stroke
95 x 127 mmReference
121 x 165 mmReference
Air cleaner
oil bathReference
oil bathReference
Rated RPM
1525Reference
1400Reference
Oil capacity
7.6 LReference
—
Coolant capacity
26.5 LReference
—
Belt power (max)
21.9 kWReference
27.1 kWReference
Max power
17.5 kWReference
23.0 kWReference
Aux. fuel
—
9.8 LReference
Fuel system
—
Zenith K5A carburetorReference
Transmission
Type
gearReference
gearReference
Gears
5 forward and 1 reverseReference
5 forward and 1 reverseReference
Clutch
—
dry discReference
Dimensions
Weight
2880 kgReference
—
Shipping weight
2880 kgReference
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Gauge
127 cmReference
154 cmReference
R2 Serial Number Location
Capacities
Diameter
26 cmReference
30 cmReference
Width
33 cmReference
76 cmReference
RPM
950Reference
840Reference
Caterpillar R2 Tracks
Test results
Belt fuel use (max)
13.6 l/hourReference
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Max pull
2574 kgReference
2776 kgReference
Caterpillar Thirty Tracks
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.


