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David Brown 990 Implematic Agricultural Tractors

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SPECS / AGRICULTURAL TRACTORS

David Brown 990 Implematic Specs

David Brown 990 Implematic agricultural tractor specifications: tractor type Utility Tractor, horsepower 38.8 kW, weight 1940.0 kg, transmission type Partially synchronized.

Manufacturer specifications

SpecificationMetricImperial
Tractor TypeUtility Tractor
Horsepower38.8 kW52.1 HP
Weight1940.0 kg4277.0 lbs
Transmission TypePartially synchronized
Length299.0 cm117.7 in.
Years Made1961-1965
Engine ModelDavid Brown
Engine Type4-stroke, liquid-cooled, inline
Fuel TypeDiesel
Cylinders4
Displacement3044 cc185.8 cu in.
Bore9.19 cm3.62 in.
Stroke11.40 cm4.49 in.
Rear PTO TypeTransmission or live
Rear PTO Speed540 /1000 RPM
Rated RPM2200 RPM
Compression Ratio17.0:1
BatteryTwo 6V
StarterElectric
Height142.0 cmHood Height: 55.9 in.
Wheelbase194.0 cm76.4 in.
Ground Clearance50.0 cmFront axle: 19.7 in.
Fuel Tank Capacity52.0 l13.7 gal
Oil Capacity7.4 l2.0 gal
Coolant Capacity13.6 l3.6 gal
Gears12 forward and 4 reverse
Chassis4×2 2WD
Max. Travel Speed10.4 km/hForward: 11.9 MPH (19.1 km/h) Reverse: 6.5 MPH
BrakesDifferential mechanical expanding shoe
Differential LockMechanical rear
Drawbar CategoryII/I
Cabin TypeOpen operator station
Steering TypeManual or hydrostatic power
Front TiresAg: 6.00-16
Rear TiresAg: 11-32
Hydraulic TypeOpen center
Total Flow28.0 LPM7.4 GPM
Working Pressure137.9 bar2000.0 psi

Source: heavyequipments.net archive (imported 2026-10). Values may vary by variant and production year; seller claims are shown separately on the listing page.

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