David Brown 780 VS John Deere 7420 specs comparison

David Brown 780

General Infos

Make	David Brown
Model	780
Country	United states
Production	From 1967  Until 1971
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	David Brown 780 Manual

Dimensions, sizes and tires

AG front tires	6.00-16
AG rear tires	12.4/11-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3,470 lbs or 1573 kg
Length	111.75 inches [283 cm]
Width	64 inches [162 cm]
Height	82.5 inches [209 cm]
Wheelbase	75.8 inches [192 cm]
Ground clearance	11.75 inches [29 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	164.4 ci or 2.7 L
Cylinders	3 cylinders
Engine power	46 hp or 34.3 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	9.5 gal or 36.0 L
Oil capacity	6.5 qts or 6.2 L
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	David Brown 780 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	sliding gear
Trans type	-
Trans gears	6 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	mechanical drum
Cabin type	-
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	7.4 gpm or 28.0 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2000 psi or 137.9 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	38.9 hp or 29.0 kW
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	42.9 hp or 32.0 kW
Real power	-
Engine @RPM	540@1828 (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	I
Rear hitch lift	1600 lbs or 725 kg
Front hitch	-
Front hitch lift	-

John Deere 7420

General Infos

Make	John Deere
Model	7420
Country	United states
Production	From 2003  Until 2007
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 7420 Manual

Dimensions, sizes and tires

AG front tires	14.9R28
AG rear tires	18.4R38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	12,890 lbs or 5846 kg
Length	203.3 inches [516 cm]
Width	96 inches [243 cm]
Height	114.1 inches [289 cm]
Wheelbase	104.3 inches [264 cm]
Ground clearance	-
Turning radius	-
Rear tread size	60 to 88 inches
Front tread size	59.5 to 87.5 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	414 ci or 6.8 L
Cylinders	6 cylinders
Engine power	135 hp or 100.7 kW
Engine RPM	2100 (rpm)
Torque	450 lb-ft or 610.2 Nm
Torque RPM	1500 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	54.7 gal or 207.0 L
Oil capacity	22.2 qts or 21.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 7420 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	850
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	115 amps

Clutch and gearbox specs

Trans system	Infinitely Variable Transmission (IVT)
Trans type	partial power shift
Trans gears	infinite forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	inboard planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	ComfortGard Cab standard with air-conditioning
Differentiel lock	electro-hydraulic rear

Hydraulics specifications

System	closed-center PFC
Valves	4
Pump flow	26.7 gpm or 101.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	102.86 hp or 76.7 kW
Fuel consumption	6.7 gal/hour or 25.4 l/hour
Pulling power	-

Power take-off (PTO) specs

Claimed power	115 hp or 85.8 kW
Real power	116.56 hp or 86.9 kW
Engine @RPM	-
PTO Clutch	electro-hydraulic
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	independent
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	6.7 gal/hour or 25.4 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	7450 lbs or 3379 kg
Front hitch	-
Front hitch lift	-

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