David Brown 990 Implematic VS Oliver 1955 specs comparison

David Brown 990 Implematic 1961 comparison online with competitors

David Brown 990 Implematic

General Infos
Make David Brown
Model 990 Implematic
Country United states
Production From 1961  Until 1980
Price -
Tractor type Utility tractor
Fuel diesel
Service repair manual David Brown 990 Implematic Manual

Dimensions, sizes and tires
AG front tires 6.00-16
AG rear tires 11-32
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 4272 lbs or 1937 kg
Length 118 inches [299 cm]
Width 67 inches [170 cm]
Height -
Wheelbase 76.75 inches [194 cm]
Ground clearance -
Turning radius -
Rear tread size 52/56/60/64/68/72/76 inches
Front tread size 52/56/60/64/68/72/76 inches
Turning radius -

Horsepower and engin specs
Engine capacity 185.8 ci or 3.0 L
Cylinders 4 cylinders
Engine power 52 hp or 38.8 kW
Engine RPM 2200 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 13.74 gal or 52.0 L
Oil capacity 7.8 qts or 7.4 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories David Brown 990 Implematic Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 6 V
Battries Amps -
Cold Amps -
Ground force -
Charging system generator
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type partially synchronized
Trans gears 12 forward and 4 reverse
Clutch system 279mm dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system differential mechanical expanding shoe
Cabin type Open operator station
Differentiel lock mechanical rear
Hydraulics specifications
System open center
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure 2000 psi or 137.9 bar
Max flow 7.4 gpm or 28.0 lpm
Drawbar specifications
Drawbar type -
Claimed power 43 hp or 32.1 kW
Drawbar horsepower 43.47 hp or 32.4 kW
Fuel consumption 3.4 gal/hour or 12.9 l/hour
Pulling power 6,039 lbs or 2739 kg
Power take-off (PTO) specs
Claimed power 48 hp or 35.8 kW
Real power 48.49 hp or 36.2 kW
Engine @RPM 540@1800 (rpm)
PTO Clutch dry disc
Rear PTO transmission
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 3.0 gal/hour or 11.4 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch II/I
Rear hitch lift -
Front hitch -
Front hitch lift -

Oliver 1955 1970 comparison online with competitors

Oliver 1955

General Infos
Make Oliver
Model 1955
Country United states
Production From 1970  Until 1974
Price -
Tractor type Row Crop tractor
Fuel diesel
Service repair manual Oliver 1955 Manual

Dimensions, sizes and tires
AG front tires 11L-15
AG rear tires 20.8-38
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 11,250 lbs or 5103 kg
Length 152.375 inches [387 cm]
Width 80.625 inches [204 cm]
Height -
Wheelbase 86.25 inches [219 cm]
Ground clearance 13.5 inches [34 cm]
Turning radius -
Rear tread size 57 to 119.5 inches
Front tread size 61.5 to 87.5 inches
Turning radius -

Horsepower and engin specs
Engine capacity 310 ci or 5.1 L
Cylinders 6 cylinders
Engine power -
Engine RPM 2400 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 35 gal or 132.5 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Oliver 1955 Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system Hydraul-Shift
Trans type partial power shift
Trans gears 18 forward and 6 reverse
Clutch system 330mm cerametallic disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering power
Braking system differential hydraulic dry disc
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System closed center
Valves -
Pump flow 20 gpm or 75.7 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 90.32 hp or 67.4 kW
Fuel consumption 7.0 gal/hour or 26.5 l/hour
Pulling power 12,639 lbs or 5733 kg
Power take-off (PTO) specs
Claimed power 108 hp or 80.5 kW
Real power 108.16 hp or 80.7 kW
Engine @RPM -
PTO Clutch -
Rear PTO independent
Rear PTO RPM 1000 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 6.9 gal/hour or 26.1 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch II/III
Rear hitch lift 6000 lbs or 2721 kg
Front hitch -
Front hitch lift -

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