John Deere 4620 VS David Brown 25 specs comparison

John Deere 4620

General Infos

Make	John Deere
Model	4620
Country	United states
Production	From 1971  Until 1972
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4620 Manual

Dimensions, sizes and tires

AG front tires	9.50-20
AG rear tires	18.4-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	12980 lbs or 5887 kg
Length	170.7 inches [433 cm]
Width	95.8 inches [243 cm]
Height	106 inches [269 cm]
Wheelbase	106.5 inches [270 cm]
Ground clearance	-
Turning radius	-
Rear tread size	70 to 100 inches
Front tread size	56 to 84.8 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	404 ci or 6.6 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	50 gal or 189.3 L
Oil capacity	16 qts or 15.1 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4620 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	John Deere Power Shift
Trans type	full power shift
Trans gears	8 forward and 4 reverse
Clutch system	hydraulic wet discs

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Open operator station
Differentiel lock	hydraulic

Hydraulics specifications

System	closed center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	16 gal or 60.6 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	115.75 hp or 86.3 kW
Fuel consumption	9.1 gal/hour or 34.4 l/hour
Pulling power	13,916 lbs or 6312 kg

Power take-off (PTO) specs

Claimed power	135 hp or 100.7 kW
Real power	130.27 hp or 97.1 kW
Engine @RPM	1000@1900 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	8.4 gal/hour or 31.8 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III/II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

David Brown 25

General Infos

Make	David Brown
Model	25
Country	United states
Production	From 1953  Until 1958
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	David Brown 25 Manual

Dimensions, sizes and tires

AG front tires	6.00-19
AG rear tires	11-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3,715 lbs or 1685 kg
Length	113 inches [287 cm]
Width	-
Height	-
Wheelbase	74.8 inches [189 cm]
Ground clearance	15.4 inches [39 cm]
Turning radius	-
Rear tread size	48 to 68 inches
Front tread size	49.5 to 62 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	154 ci or 2.5 L
Cylinders	4 cylinders
Engine power	32 hp or 23.9 kW
Engine RPM	1600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	12.7 gal or 48.1 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 25 Parts

Electrical and battery specs

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

Clutch and gearbox specs

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

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	mechanical shoe
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	9.5 gpm or 36.0 lpm

Drawbar specifications

Drawbar type	-
Claimed power	22.7 hp or 16.9 kW
Drawbar horsepower	25.88 hp or 19.3 kW
Fuel consumption	-
Pulling power	3,269 lbs or 1482 kg

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
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	1,300 lbs or 589 kg
Front hitch	-
Front hitch lift	-

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