David Brown 25 VS Challenger 85D specs comparison

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	-

Challenger 85D

General Infos

Make	Challenger
Model	85D
Country	United states
Production	From 1996  Until 1997
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Challenger 85D Manual

Dimensions, sizes and tires

AG front tires	30-inch track
AG rear tires	30-inch track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	34234 lbs or 15528 kg
Length	232 inches [589 cm]
Width	120 inches [304 cm]
Height	128 inches [325 cm]
Wheelbase	107 inches [271 cm]
Ground clearance	-
Turning radius	-
Rear tread size	90 inches
Front tread size	90 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	729 ci or 11.9 L
Cylinders	6 cylinders
Engine power	370 hp or 275.9 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	203 gal or 768.4 L
Oil capacity	32 qts or 30.3 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger 85D Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	900
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	145 amps

Clutch and gearbox specs

Trans system	-
Trans type	full power shift
Trans gears	10 forward and 2 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	hydrostatic differential steering
Braking system	hydraulic wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed-center pressure-compensated
Valves	4
Pump flow	27 gpm or 102.2 lpm
SVC flow	-
Steering flow	-
Tank capacity	29 gal or 109.8 L
Hydraulic pressure	2750 psi or 189.6 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	265 hp or 197.6 kW
Drawbar horsepower	271.64 hp or 202.6 kW
Fuel consumption	16.3 gal/hour or 61.7 l/hour
Pulling power	35,299 lbs or 16011 kg

Power take-off (PTO) specs

Claimed power	318 hp or 237.1 kW
Real power	318.59 hp or 237.6 kW
Engine @RPM	1000@2050 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	16.6 gal/hour or 62.8 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	-
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

Add a tractor