David Brown 770 Selectamatic VS Chery RK504 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	-

Chery RK504

General Infos

Make	Chery
Model	RK504
Country	China
Production	From 2012
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Chery RK504 Manual

Dimensions, sizes and tires

AG front tires	8.3-20
AG rear tires	12.4-28
Lawn front tires	9.5-16
Lawn rear tires	9.5-16
Indus front tires	-
Indus rear tires	-
Weight	4442 lbs or 2014 kg
Length	156.7 inches [398 cm]
Width	65 inches [165 cm]
Height	-
Wheelbase	78.4 inches [199 cm]
Ground clearance	12.8 inches [32 cm]
Turning radius	-
Rear tread size	51.2 inches
Front tread size	49.2 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	193.3 ci or 3.2 L
Cylinders	4 cylinders
Engine power	50 hp or 37.3 kW
Engine RPM	2400 (rpm)
Torque	90 lb-ft or 122.0 Nm
Torque RPM	1650 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	-
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Chery RK504 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	8 forward and 4 reverse
Clutch system	254mm dry disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	hydraulic power
Braking system	pneumatic brake optional
Cabin type	Open operator station
Differentiel lock	mechanical rear

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	42.5 hp or 31.7 kW
Real power	-
Engine @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	-
Rear hitch	-
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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