David Brown 990 Implematic

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3-Point Hitch
Rear type II/I
Control -
Rear lift -
Front hitch -
Front lift -
Power Take-off (PTO):
Rear PTO transmission
Clutch dry disc
Rear RPM 540/1000 (1.375)
Front PTO -
Engine RPM [email protected] (Low) [email protected] (High) [email protected]
Capacity
Fuel 13.74 gal [52.0 L]
Dimensions & Tires
Wheelbase 76.75 inches [194 cm]
Weight 4272 to 5880 pounds
Front tire 6.00-16
Rear tire 11-32
David Brown 990 Implematic Power:
Engine gross -
Engine max -
Mechanical
Chassis 4x2 2WD
Differential lock mechanical rear
Steering manual
Brakes differential mechanical expanding shoe
Trailer brakes -
Cab Open operator station.
Hydraulics
Type II/I
Rear valves -
Mid valves -
Pump flow manual
hydrostatic power (optional)
SCV flow -
Total flow 7.4 gpm [28.0 lpm]
Electrical
Ground -
Charging system generator
Charging amps -
Charging volts -
Battery
Number 2
Cold-cranking amps -
Volts 6
Engine Detail
David Brown
diesel
4-cylinder
liquid-cooled
185.8 ci [3.0 L]
Engine specifications
Bore/Stroke 3.625x4.50 inches [92 x 114 mm]
Emissions -
Emission control -
Rated Power -
Maximum Power -
Air cleaner oil bath
Pre-heating -
Compression -
Fuel system -
Rated RPM 2200
Operating RPM 700-2200
Torque -
Torque RPM -
Starter -
Starter volts 12
Oil capacity 7.8 qts [7.4 L]
Oil change -
Coolant capacity 14.4 qts [13.6 L]
Type gear
Gears 6 forward and 2 reverse
Clutch 279mm dry disc
Speeds  
Type partially synchronized
Gears 12 forward and 4 reverse
Clutch -
Speeds -
David Brown 990 Implematic Tires
Ag front -
Ag rear -
Standard tires (ag) Front: 6.00-16. Rear: 11-32
Dimensions
Weight (operating) 4272 lbs [1937 kg]
4312 lbs [1955 kg] (live PTO)
Weight (max capacity) -
Front axle load -
Rear axle load -
Wheelbase 76.75 inches [194 cm]
Length 118 inches [299 cm]
With hitch Length: -
Width 67 inches [170 cm]
Height (hood) 56 inches [142 cm]
Height (cab) -
Front axle -
Rear axle -
Height (exhaust) -
Clearance (front axle) 20 inches [50 cm]
Clearance (rear axle) -
Clearance (drawbar) -
Test name
Test Date June 11 - 19, 1965
Test Type 3L diesel 6-speed 2WD
PTO power (max) -
PTO fuel use (max) -
PTO power (rated engine speed) 51.60 hp [38.5 kW]
PTO fuel use (engine speed) 3.4 gal/hour [12.9 l/hour]
PTO fuel use (PTO speed) 3.0 gal/hour [11.4 l/hour]
Drawbar power (max) 43.47 hp [32.4 kW]
Drawbar fuel use (max) 3.4 gal/hour [12.9 l/hour]
Drawbar pull (max) 6,039 lbs [2739 kg]
Max pull gear 1