David Brown 770 Selectamatic VS Holder Cultitrac A12 specs comparison

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	-

Holder Cultitrac A12

General Infos

Make	Holder
Model	Cultitrac A12
Country	Germany
Production	From 1956
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Holder Cultitrac A12 Manual

Dimensions, sizes and tires

AG front tires	5.50x16
AG rear tires	5.50x16
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	1500 lbs or 680 kg
Length	80 inches [203 cm]
Width	30 inches [76 cm]
Height	-
Wheelbase	45 inches [114 cm]
Ground clearance	9.5 inches [24 cm]
Turning radius	6 feet [1.8 m]
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	36.9 ci or 0.6 L
Cylinders	1 cylinders
Engine power	12 hp or 8.9 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	2.5 gal or 9.5 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Holder Cultitrac A12 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	6 forward and 3 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	-
Braking system	drum
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	2.6 gpm or 9.8 lpm
SVC flow	-
Steering flow	-
Tank capacity	1 gal or 3.8 L
Hydraulic pressure	1850 psi or 127.6 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (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	-

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