Yanmar AF339 VS David Brown 25 specs comparison

Yanmar AF339

General Infos

Make	Yanmar
Model	AF339
Country	Japan
Production	From 2002  Until 2005
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Yanmar AF339 Manual

Dimensions, sizes and tires

AG front tires	8-18
AG rear tires	13.6-26
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3197 lbs or 1450 kg
Length	129.5 inches [328 cm]
Width	59.1 inches [150 cm]
Height	77.4 inches [196 cm]
Wheelbase	72.8 inches [184 cm]
Ground clearance	13.4 inches [34 cm]
Turning radius	-
Rear tread size	45.3 to 59.1 inches
Front tread size	48.4 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	121.7 ci or 2.0 L
Cylinders	4 cylinders
Engine power	39 hp or 29.1 kW
Engine RPM	2600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	9.5 gal or 36.0 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Yanmar AF339 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	70 amps
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	power shuttle
Trans gears	16 forward and reverse
Clutch system	wet disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	wet disc
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
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	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	556 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position control
Rear hitch	I
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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