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Caterpillar D4 vs Caterpillar R3
Verdict: Caterpillar D4 vs Caterpillar R3
The Caterpillar D4 and the Caterpillar R3 are both tractors — here is how they stack up on the figures that matter. Caterpillar D4 leads on rated power with 35 hp against 34 hp. Caterpillar D4 is the newer design (1938 vs 1934). In short: choose the Caterpillar D4 for outright pulling power, or the Caterpillar R3 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
35 hp
34 hp
Confidence
40%
40%
Guide price
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Overview
Manufacturer
CaterpillarReference
CaterpillarReference
Gear 1 used for pull test.Reference
Gear 1 used for pull test.Reference
Drive
crawlerReference
crawlerReference
Steering
manual clutchesReference
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Total built
—
60Reference
Engine
Fuel tank
75.7 LReference
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Drawbar (tested)
26.1 kWReference
25.7 kWReference
Belt (tested)
29.7 kWReference
31.3 kWReference
Displacement
5.1 LReference
5.7 LReference
Bore/Stroke
108 x 140 mmReference
114 x 140 mmReference
Air cleaner
oil bathReference
oil bathReference
Compression
17.3:1Reference
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Rated RPM
1400Reference
1100Reference
Torque
570.9 NmReference
—
Torque RPM
1000Reference
—
Oil capacity
18.9 LReference
—
Coolant capacity
41.6 LReference
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Belt power (max)
29.7 kWReference
31.3 kWReference
Max power
26.1 kWReference
25.7 kWReference
Fuel system
—
Ensign carburetorReference
Transmission
Type
gearReference
gearReference
Gears
5 forward and 1 reverseReference
3 forward and 1 reverseReference
Clutch
dry discReference
dry discReference
Dimensions
Wheelbase
155 cmReference
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Weight
4649 kgReference
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Length
306 cmReference
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Height (hood)
153 cmReference
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Ground clearance
28 cmReference
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Clearance (drawbar)
36 cmReference
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Gauge
152 cmReference
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D4 Serial Numbers
1936
4G1Reference
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1937
4G3663Reference
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1938
4G8858Reference
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1939
7J1Reference
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1940
7J1758Reference
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1941
7J4119Reference
—
1942
7J7544Reference
—
1943
2T1Reference
—
1944
2T3306Reference
—
1945
5T1Reference
—
1946
5T3524Reference
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1947
5T6780Reference
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Location:
Serial number plate on the rear of the tractor, upper-left of the transmission case.Reference
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Links
Caterpillar D4 Tracks
Width
198 cmReference
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Test results
Belt fuel use (max)
11.0 l/hourReference
18.5 l/hourReference
Max pull
3561 kgReference
3457 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.


