David Brown 770 Selectamatic VS John Deere 3640 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	-

John Deere 3640

General Infos

Make	John Deere
Model	3640
Country	United states
Production	From 1984  Until 1987
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 3640 Manual

Dimensions, sizes and tires

AG front tires	12.4-28
AG rear tires	16.9-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	10564 lbs or 4791 kg
Length	189 inches [480 cm]
Width	85 inches [215 cm]
Height	111 inches [281 cm]
Wheelbase	102 inches [259 cm]
Ground clearance	-
Turning radius	30.2 feet [9.2 m]
Rear tread size	63/69/73/76/79 inches
Front tread size	63 to 83 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	359 ci or 5.9 L
Cylinders	6 cylinders
Engine power	117 hp or 87.2 kW
Engine RPM	2400 (rpm)
Torque	290 lb-ft or 393.2 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	49.2 gal or 186.2 L
Oil capacity	11.6 qts or 11.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 3640 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	88 amps
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	55 amps

Clutch and gearbox specs

Trans system	Power Synchron
Trans type	partial power shift
Trans gears	16 forward and 8 reverse
Clutch system	hydraulic cerametallic dry disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Sound-Gard (SG2) cab
Differentiel lock	rear standard

Hydraulics specifications

System	closed center constant pressure
Valves	-
Pump flow	11.9 gpm or 45.0 lpm
SVC flow	-
Steering flow	-
Tank capacity	11.1 gal or 42.0 L
Hydraulic pressure	2466 psi or 170.0 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	540@2175 (rpm)
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	optional
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	lower-link draft sensing
Rear hitch	II/III
Rear hitch lift	12818 lbs or 5814 kg
Front hitch	optional
Front hitch lift	-

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