Compare/David Brown 30 vs David Brown 4600 Selectamatic
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David Brown 30 vs David Brown 4600 Selectamatic

Verdict: David Brown 30 vs David Brown 4600 Selectamatic

The David Brown 30 and the David Brown 4600 Selectamatic are both tractors — here is how they stack up on the figures that matter. David Brown 4600 Selectamatic leads on rated power with 46 hp against 41 hp. David Brown 30 is the lighter machine (1,769 kg vs 1,950 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. David Brown 4600 Selectamatic is the newer design (1968 vs 1953). In short: choose the David Brown 4600 Selectamatic for outright pulling power, or the David Brown 30 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
David Brown 30 Tractor
David Brown
62
Fit score
Best match
Clear
David Brown 4600 Selectamatic Tractor
David Brown
62
Fit score
Best match
Clear
Rated power
41 hp
46 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
David BrownReference
David BrownReference
Steering
manualReference
power-assist optionalReference
Original price
$4,600 (1971)Reference
Final drives
spur gearReference
Differential lock
rear diff lock standardReference
Variants
30C
petrolReference
30D
dieselReference
Engine
keroseneReference
Gear 1 used for pull test.Reference
Fuel tank
48.1 LReference
Kerosene Fuel tank
45.0 LReference
Aux. fuel
6.8 LReference
Engine
30.6 kWReference
Displacement
2.7 LReference
2.7 LReference
Bore/Stroke
92 x 102 mmReference
100 x 114 mmReference
Power
28.0 kWReference
Rated RPM
2300Reference
2200Reference
Drawbar (tested)
28.6 kWReference
Air cleaner
oil bathReference
Compression
7.5:1Reference
Operating RPM
700-2200Reference
Torque
189.8 NmReference
Torque RPM
1400Reference
Starter volts
12Reference
Oil capacity
22.7 LReference
Coolant capacity
10.4 LReference
Power at rated engine speed
34.3 kWReference
Max power
28.6 kWReference
Transmission
Type
gearReference
gearReference
Gears
6 forward and 2 reverseReference
12 forward and 4 reverseReference
Clutch
dry discReference
PTO & Hydraulics
Rear PTO Type
540Reference
540/1000Reference
PTO (claimed)
34.3 kWReference
PTO (tested)
34.3 kWReference
Hydraulic system
22.7 LReference
Capacity
22.7 LReference
Pressure
137.9 barReference
Valves
0 to 2Reference
Pump flow
27.6 lpmReference
Rear Type
II/IReference
Control
position and draft controlReference
Rear lift (at ends)
1134 kgReference
Rear PTO
liveReference
Engine RPM
1000@2000Reference
Power at rated PTO speed
32.2 kWReference
Dimensions
Wheelbase
189 cmReference
202 cmReference
Weight
1769 kgReference
1950 kgReference
Front tire
6.00-19Reference
6.00-16Reference
Rear tire
11-28Reference
14.9/13-28Reference
Ag front
6.00-19Reference
7.50-16Reference
Ag rear
12.4-28Reference
14.9/13-28Reference
Length
295 cmReference
308 cmReference
Width
173 cmReference
Height (hood)
137 cmReference
Operating weight
1950 kgReference
Ballasted weight
3061 kgReference
Clearance (front axle)
50 cmReference
Clearance (drawbar)
36 cmReference
Front tread
132 to 182 cmReference
Rear tread
152 to 203 cmReference
Capacities
Fuel
52.0 LReference
4600 Serial Numbers
1969
900001Reference
1970
900312Reference
1971
900422Reference
Test results
Fuel use
14.0 l/hourReference
Max pull
2458 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.

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