David Brown 770 Selectamatic VS John Deere 8400R 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 8400R

General Infos

Make	John Deere
Model	8400R
Country	United states
Production	From 2016
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 8400R Manual

Dimensions, sizes and tires

AG front tires	380/80R38
AG rear tires	480/80R50
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	32691 lbs or 14828 kg
Length	245 inches [622 cm]
Width	137.3 inches [348 cm] (warning lamps)
Height	129.3 inches [328 cm]
Wheelbase	120.1 inches [305 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	62 to 88 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	548 ci or 9.0 L
Cylinders	6 cylinders
Engine power	400 hp or 298.3 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	electronic high-pressure common rail
Fuel tank size	170.4 gal or 645.0 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	John Deere 8400R Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	925
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	240 amps

Clutch and gearbox specs

Trans system	John Deere e23
Trans type	full power shift
Trans gears	23 forward and 11 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	inboard planetary
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	CommandView III cab standard with air-conditioning
Differentiel lock	hydraulic rear standard

Hydraulics specifications

System	closed-center load sensing pressure flow compensated
Valves	4 to 6
Pump flow	60 gpm or 227.1 lpm
SVC flow	35 gpm or 132.5 lpm
Steering flow	-
Tank capacity	10.6 gal or 40.1 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	Cat 4
Claimed power	-
Drawbar horsepower	320.19 hp or 238.8 kW
Fuel consumption	18.7 gal/hour or 70.8 l/hour
Pulling power	29545 lbs or 13401 kg

Power take-off (PTO) specs

Claimed power	-
Real power	362.26 hp or 270.1 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	optional independent
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	18.4 gal/hour or 69.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	IVN/III
Rear hitch lift	15000 lbs or 6804 kg
Front hitch	optional
Front hitch lift	11450 lbs or 5193 kg

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