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Caterpillar D3B vs Caterpillar D4D
Verdict: Caterpillar D3B vs Caterpillar D4D
The Caterpillar D3B and the Caterpillar D4D are both industrial tractors — here is how they stack up on the figures that matter. Both are rated at the same 65 hp. Caterpillar D4D is the lighter machine (5,896 kg vs 11,300 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Caterpillar D3B is the newer design (1979 vs 1963). 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
65 hp
65 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
CaterpillarReference
CaterpillarReference
liquid-cooled inlineReference
liquid-cooled inlineReference
Drive
crawlerReference
crawlerReference
Final drives
spur gearReference
spur gearReference
Engine
Engine
48.5 kWReference
—
Displacement
5.2 LReference
5.7 LReference
Bore/Stroke
114 x 127 mmReference
114 x 140 mmReference
Power
48.5 kWReference
—
Fuel system
direct injectionReference
—
Rated RPM
2400Reference
1680Reference
Starter
electricReference
electricReference
Starter volts
12Reference
24Reference
Oil capacity
28.0 LReference
26.5 LReference
Coolant capacity
20.0 LReference
30.3 LReference
Fuel tank
—
159.0 LReference
Engine (net)
—
48.5 kWReference
Drawbar (claimed)
—
38.8 kWReference
Belt (claimed)
—
44.0 kWReference
Power (net)
—
48.5 kWReference
Transmission
Gears
3 forward and reverseReference
5 forward and reverseReference
Capacities
Fuel
113.6 LReference
—
PTO & Hydraulics
Hydraulic system
56.8 LReference
—
Type
power shiftReference
gearReference
Capacity
56.8 LReference
—
Pressure
172.4 barReference
—
Pump flow
54.9 lpmReference
—
Dimensions
Weight
11300 to 15160 poundsReference
5896 kgReference
Length
277 cmReference
335 cmReference
3P dozer length
368 cmReference
—
Shipping weight
5125 kgReference
5896 kgReference
Operating weight
6876 kgReference
—
Gauge
142 cmReference
152 cmReference
Caterpillar D3B attachments
Electrical
Charging system
alternatorReference
—
Charging amps
40Reference
—
Battery volts
12Reference
—
Caterpillar D3B Tracks
Width
178 cmReference
198 cmReference
Length on ground
182 cmReference
184 cmReference
Area on ground
1.1 m²Reference
1.2 m²Reference
Caterpillar D3B Height
Hood
169 cmReference
—
ROPS
266 cmReference
—
Exhaust
241 cmReference
—
Caterpillar D4D attachments
Caterpillar D4D 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.