Challenger 65B VS David Brown 770 Selectamatic specs comparison

Challenger 65B 1991 comparison online with competitors

Challenger 65B

General Infos
Make Challenger
Model 65B
Country United states
Production From 1991  Until 1992
Price -
Tractor type Agricultural Crawler tractor
Fuel diesel
Service repair manual Challenger 65B Manual

Dimensions, sizes and tires
AG front tires 25-in track
AG rear tires 25-in track
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 34,030 lbs or 15436 kg
Length -
Width -
Height -
Wheelbase 106 inches [269 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 638 ci or 10.5 L
Cylinders 6 cylinders
Engine power 285 hp or 212.5 kW
Engine RPM 2100 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 220 gal or 832.7 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Challenger 65B Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type full power shift
Trans gears 10 forward and 2 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive crawler
Final drive -
Steering hydrostatic differential steering
Braking system hydraulic caliper disc
Cabin type Cab standard
Differentiel lock -
Hydraulics specifications
System closed
Valves 4
Pump flow 26 gpm or 98.4 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 220.32 hp or 164.3 kW
Fuel consumption 15.7 gal/hour or 59.4 l/hour
Pulling power -
Power take-off (PTO) specs
Claimed power -
Real power 250.16 hp or 186.5 kW
Engine @RPM -
PTO Clutch -
Rear PTO -
Rear PTO RPM 1000 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 15.3 gal/hour or 57.9 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch III/IV
Rear hitch lift 11,370 lbs or 5157 kg
Front hitch -
Front hitch lift -

David Brown 770 Selectamatic 1965 comparison online with competitors

David Brown 770 Selectamatic

General Infos
Make David Brown
Model 770 Selectamatic
Country United states
Production From 1965  Until 1970
Price -
Tractor type Utility tractor
Fuel diesel
Service repair manual David Brown 770 Selectamatic Manual

Dimensions, sizes and tires
AG front tires 5.50-16
AG rear tires 11.2/10-28
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 3110 lbs or 1410 kg
Length 112.5 inches [285 cm]
Width 64 inches [162 cm]
Height -
Wheelbase 75 inches [190 cm]
Ground clearance -
Turning radius -
Rear tread size 48/52/56/60/64/68/72/76 inches
Front tread size 48/52/56/60/64/68/72/76 inches
Turning radius -

Horsepower and engin specs
Engine capacity 146.1 ci or 2.4 L
Cylinders 3 cylinders
Engine power 36 hp or 26.8 kW
Engine RPM 2055 (rpm)
Torque 100 lb-ft or 135.6 Nm
Torque RPM 1400 (rpm)
Fuel type diesel
Fuel injection direct injection
Fuel tank size 11.4 gal or 43.1 L
Oil capacity 7.8 qts or 7.4 L
Oil change -
Starter motor electric
Starter volts 12 V
Parts And Accessories David Brown 770 Selectamatic Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps 96 amps
Cold Amps -
Ground force negative
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type gear
Trans gears 12 forward and 4 reverse
Clutch system dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive spur gear
Steering manual
Braking system mechanical drum
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 -
Drawbar specifications
Drawbar type -
Claimed power 27.5 hp or 20.5 kW
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 32 hp or 23.9 kW
Real power -
Engine @RPM 540@1620 (rpm)
PTO Clutch -
Rear PTO live
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system position and draft control
Rear hitch I
Rear hitch lift -
Front hitch -
Front hitch lift -

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