Compare/David Brown 30TD vs David Brown 3800 Selectamatic
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David Brown 30TD vs David Brown 3800 Selectamatic

Verdict: David Brown 30TD vs David Brown 3800 Selectamatic

The David Brown 30TD and the David Brown 3800 Selectamatic are both tractors — here is how they stack up on the figures that matter. David Brown 3800 Selectamatic leads on rated power with 39 hp against 36 hp. David Brown 3800 Selectamatic is the lighter machine (1,762 kg vs 8,050 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. David Brown 3800 Selectamatic is the newer design (1968 vs 1953). In short: choose the David Brown 3800 Selectamatic for outright pulling power, or the David Brown 30TD 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 30TD Tractor
David Brown
62
Fit score
Best match
Clear
David Brown 3800 Selectamatic Tractor
David Brown
62
Fit score
Best match
Clear
Rated power
36 hp
39 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
David BrownReference
David BrownReference
liquid-cooledReference
Gear 1 used for pull test.Reference
Drive
crawlerReference
Original price
$4,000 (1971)Reference
Final drives
spur gearReference
Differential lock
rear diff lock standardReference
Steering
power-assist optionalReference
Variants
30T
gasolineReference
30TD
dieselReference
30ITD
industrialReference
Engine
Fuel tank
65.9 LReference
Engine
26.8 kWReference
Drawbar (claimed)
18.0 kWReference
Belt (claimed)
22.4 kWReference
Displacement
2.7 LReference
2.4 LReference
Bore/Stroke
92 x 102 mmReference
100 x 102 mmReference
Power
26.8 kWReference
Rated RPM
1800Reference
2200Reference
Starter
electricReference
Starter volts
12Reference
12Reference
Oil capacity
43.2 LReference
22.7 LReference
Coolant capacity
15.9 LReference
8.5 LReference
Drawbar (tested)
24.0 kWReference
Air cleaner
oil bathReference
Compression
6.75:1Reference
Operating RPM
700-2200Reference
Torque
155.9 NmReference
Torque RPM
1400Reference
Power at rated engine speed
29.2 kWReference
Max power
24.0 kWReference
Transmission
Type
gearReference
gearReference
Gears
6 forward and 2 reverseReference
12 forward and 4 reverseReference
Clutch
254mm dry discReference
dry discReference
PTO & Hydraulics
Rear PTO Type
540 (1.375)Reference
540/1000Reference
Engine RPM
2100@1600Reference
PTO (claimed)
29.1 kWReference
PTO (tested)
29.2 kWReference
Hydraulic system
22.7 LReference
Capacity
22.7 LReference
Pressure
137.9 barReference
Pump flow
27.6 lpmReference
Rear Type
IReference
Control
position and draft controlReference
Rear lift (at ends)
884 kgReference
Rear PTO
liveReference
Power at rated PTO speed
27.8 kWReference
Dimensions
Weight
8050 to 8450 poundsReference
1762 kgReference
Length
287 cmReference
293 cmReference
48G Width
160 cmReference
56G Width
180 cmReference
Height (hood)
142 cmReference
130 cmReference
Gauge
142 cmReference
48G Shipping
3651 kgReference
56G Shipping
3696 kgReference
48G Operating
3787 kgReference
56G Operating
3832 kgReference
Wheelbase
193 cmReference
Front tire
6.00-16Reference
Rear tire
13.6/12-28Reference
Ag front
14.9/13-28Reference
Ag rear
13.6/12-28Reference
Operating weight
1762 kgReference
Ballasted weight
2646 kgReference
Clearance (front axle)
44 cmReference
Clearance (drawbar)
29 cmReference
Front tread
121 to 182 cmReference
Rear tread
152 to 203 cmReference
David Brown 30TD Tracks
Width
40 cmReference
163 cmReference
Length on ground
152 cmReference
Area on ground
1.0 m²Reference
Ground pressure
0.4 barReference
Capacities
Fuel
36.0 LReference
Test results
Fuel use
12.9 l/hourReference
Max pull
2004 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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