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David Brown 990 Implematic vs David Brown 990 Selectamatic

Verdict: David Brown 990 Implematic vs David Brown 990 Selectamatic

The David Brown 990 Implematic and the David Brown 990 Selectamatic are both tractors — here is how they stack up on the figures that matter. David Brown 990 Selectamatic leads on rated power with 55 hp against 52 hp. David Brown 990 Selectamatic is the lighter machine (4,235 kg vs 4,272 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. David Brown 990 Selectamatic holds more fuel (60.9 L vs 52.0 L) for longer stints between fills. In short: choose the David Brown 990 Selectamatic for outright pulling power, or the David Brown 990 Implematic 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 990 Implematic Tractor
David Brown
62
Fit score
Best match
Clear
David Brown 990 Selectamatic Tractor
David Brown
62
Fit score
Best match
Clear
Rated power
52 hp
55 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
David BrownReference
David BrownReference
Twelve-speed transmission introduced in 1963.Reference
With 12.4/11-36 rear tires.Reference
Differential lock
mechanical rearReference
mechanical rearReference
Steering
hydrostatic power (optional)Reference
hydrostatic powerReference
Engine
Fuel tank
52.0 LReference
60.9 LReference
Engine
38.8 kWReference
Drawbar (claimed)
32.1 kWReference
3.0 kWReference
Drawbar (tested)
32.4 kWReference
32.3 kWReference
Displacement
3.0 LReference
3.2 LReference
Bore/Stroke
92 x 114 mmReference
100 x 102 mmReference
Power
38.8 kWReference
Air cleaner
oil bathReference
oil bathReference
Compression
17:1Reference
17:1Reference
Rated RPM
2200Reference
2200Reference
Operating RPM
700-2200Reference
Starter volts
12Reference
12Reference
Oil capacity
7.4 LReference
23.0 LReference
Coolant capacity
13.6 LReference
14.0 LReference
Power at rated engine speed
38.5 kWReference
38.8 kWReference
Max power
32.4 kWReference
32.3 kWReference
Engine (gross)
41.0 kWReference
Plows
4Reference
Power (gross)
41.0 kWReference
Idle RPM
700-2200Reference
Torque
189.8 NmReference
Torque RPM
1400Reference
Starter
electricReference
Transmission
Gears
12 forward and 4 reverseReference
12 forward and 4 reverseReference
PTO & Hydraulics
PTO (claimed)
35.8 kWReference
39.4 kWReference
PTO (tested)
38.5 kWReference
38.8 kWReference
Type
partially synchronizedReference
partially synchronizedReference
Pressure
137.9 barReference
137.9 barReference
Total flow
28.0 lpmReference
Rear Type
II/IReference
II/IReference
Rear PTO
live (optional)Reference
liveReference
Clutch
279mm dry discReference
dry discReference
Rear PTO Type
540/1000 (1.375)Reference
540/1000 (1.375)Reference
Engine RPM
1000@2000Reference
1000@2000Reference
Power at rated PTO speed
36.2 kWReference
37.0 kWReference
Pump flow
27.3 lpmReference
Control
position and draft controlReference
Rear lift (at ends)
907 kgReference
Dimensions
Wheelbase
194 cmReference
Weight
4272 to 4312 poundsReference
4235 to 5795 poundsReference
Front tire
6.00-16Reference
6.00-19Reference
Rear tire
11-32Reference
Standard tires (ag)
Front: 6.00-16. Rear: 11-32Reference
Length
299 cmReference
Width
170 cmReference
162 cmReference
Height (hood)
142 cmReference
Clearance (front axle)
50 cmReference
Front tread
132/142/152/162/172/182/193 cmReference
Rear tread
132/142/152/162/172/182/193 cmReference
Operating
1955 kgReference
Ballasted
2667 kgReference
2WD Wheelbase
200 cmReference
4WD Wheelbase
195 cmReference
2WD Rear tire
12.4-36Reference
2WD Standard tires (ag)
Front: 6.00-19. Rear: 12.4-36Reference
4WD Standard tires (ag)
Front: 9.5-24. Rear: 12.4-36Reference
2WD Length
320 cmReference
4WD Length
322 cmReference
2WD Clearance (front axle)
54 cmReference
4WD Clearance (front axle)
33 cmReference
2WD Clearance (drawbar)
38 cmReference
4WD Clearance (drawbar)
37 cmReference
2WD
2313 kgReference
4WD
2628 kgReference
2WD Shipping
1920 kgReference
Steering wheel
167 cmReference
990 Serial Numbers
1961
440001Reference
440001Reference
1962
441323Reference
441323Reference
1963
450376Reference
450376Reference
1964
460376Reference
460376Reference
1965
472273Reference
472273Reference
1966
483768Reference
483768Reference
1967
496283Reference
496283Reference
1968
504690Reference
504690Reference
1969
808150Reference
808150Reference
1970
818301Reference
818301Reference
1971
826009Reference
826009Reference
1972
850600Reference
850600Reference
1973
854403Reference
854403Reference
1974
859367Reference
859367Reference
1975
863900Reference
863900Reference
1976
11070001Reference
11070001Reference
1977
11080236Reference
11080236Reference
1978
11089141Reference
11089141Reference
1979
11096828Reference
11096828Reference
1980
11104577Reference
11104577Reference
Location:
Frame, right sideReference
Serial number on the right side of the tractor frame.Reference
Electrical
Charging system
generatorReference
generatorReference
Batteries
2Reference
Battery volts
6Reference
12Reference
Battery AH
96Reference
Test results
Fuel use
11.4 l/hourReference
11.7 l/hourReference
Max pull
2739 kgReference
3239 kgReference
Capacities
2WD Max capacity
2862 kgReference
4WD Max capacity
2628 kgReference
David Brown 990 Height
ROPS
241 cmReference
Exhaust
226 cmReference
Speeds

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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