John Deere 7930 VS David Brown 780 specs comparison

John Deere 7930

General Infos

Make	John Deere
Model	7930
Country	United states
Production	From 2007  Until 2011
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 7930 Manual

Dimensions, sizes and tires

AG front tires	420/90R30
AG rear tires	480/80R46
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	17731 lbs or 8042 kg
Length	225 inches [571 cm]
Width	96 inches [243 cm]
Height	122.4 inches [310 cm]
Wheelbase	112.6 inches [286 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	414 ci or 6.8 L
Cylinders	6 cylinders
Engine power	220 hp or 164.1 kW
Engine RPM	2100 (rpm)
Torque	645 lb-ft or 874.6 Nm
Torque RPM	1602 (rpm)
Fuel type	diesel
Fuel injection	high-pressure common rail
Fuel tank size	103 gal or 389.9 L
Oil capacity	27.5 qts or 26.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 7930 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	200 amps

Clutch and gearbox specs

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

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center load-sensing
Valves	2 to 7
Pump flow	-
SVC flow	30 gpm or 113.6 lpm
Steering flow	-
Tank capacity	28.5 gal or 107.9 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	32 gpm or 121.1 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	159.10 hp or 118.6 kW
Fuel consumption	10.5 gal/hour or 39.7 l/hour
Pulling power	-

Power take-off (PTO) specs

Claimed power	180 hp or 134.2 kW
Real power	198.72 hp or 148.2 kW
Engine @RPM	540@1950 (rpm)
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	11.4 gal/hour or 43.1 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	10,050 lbs or 4558 kg
Front hitch	-
Front hitch lift	-

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	-

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