M-R-S A-85 VS David Brown 770 Selectamatic specs comparison

M-R-S A-85 1977 comparison online with competitors

M-R-S A-85

General Infos
Make M-R-S
Model A-85
Country United states
Production From 1977  Until 1980
Price -
Tractor type Four wheel Drive (4WD) tractor
Fuel diesel
Service repair manual M-R-S A-85 Manual

Dimensions, sizes and tires
AG front tires 23.1x26
AG rear tires 23.1x26
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 17300 lbs or 7847 kg
Length 195 inches [495 cm]
Width 111 inches [281 cm]
Height 132 inches [335 cm]
Wheelbase 118 inches [299 cm]
Ground clearance 14 inches [35 cm]
Turning radius -
Rear tread size 80 inches
Front tread size 80 inches
Turning radius -

Horsepower and engin specs
Engine capacity 318.4 ci or 5.2 L
Cylinders 6 cylinders
Engine power 202 hp or 150.6 kW
Engine RPM 2500 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size -
Oil capacity -
Oil change -
Starter motor -
Starter volts -
Parts And Accessories M-R-S A-85 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 -
Trans gears 20 forward and 4 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x4 4WD
Final drive -
Steering power four-wheel
Braking system -
Cabin type -
Differentiel lock -
Hydraulics specifications
System -
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 164 hp or 122.3 kW
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO -
Rear PTO RPM -
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
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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