Allis Chalmers 8550 VS David Brown 25 specs comparison

Allis Chalmers 8550 1978 comparison online with competitors

Allis Chalmers 8550

General Infos
Make Allis Chalmers
Model 8550
Country United states
Production From 1978  Until 1981
Price 86,753  USD
Tractor type Four wheel Drive (4WD) tractor
Fuel diesel
Service repair manual Allis Chalmers 8550 Manual

Dimensions, sizes and tires
AG front tires 20.8x34
AG rear tires 20.8x34
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 26,400 lbs or 11975 kg
Length 285 inches [723 cm]
Width 95.5 inches [242 cm]
Height 139 inches [353 cm]
Wheelbase 126 inches [320 cm]
Ground clearance 17 inches [43 cm]
Turning radius -
Rear tread size 62 to 123 inches
Front tread size 62 to 123 inches
Turning radius -

Horsepower and engin specs
Engine capacity 731 ci or 12.0 L
Cylinders 6 cylinders 24 valves
Engine power 300 hp or 223.7 kW
Engine RPM 2500 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 170 gal or 643.5 L
Oil capacity 46 qts or 43.5 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Allis Chalmers 8550 Parts
Electrical and battery specs
Batteries number 4
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system Power Director
Trans type partial power shift
Trans gears 20 forward and 4 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x4 articulated 4WD
Final drive -
Steering hydrostatic power
Braking system hydraulic wet discs
Cabin type Acousta Cab II standard with heat and air-conditioning
Differentiel lock -
Hydraulics specifications
System closed center
Valves 3 or 4
Pump flow 74.9 gpm or 283.5 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 210 hp or 156.6 kW
Drawbar horsepower 217.92 hp or 162.5 kW
Fuel consumption 17.5 gal/hour or 66.2 l/hour
Pulling power 26,220 lbs or 11893 kg
Power take-off (PTO) specs
Claimed power 250 hp or 186.4 kW
Real power 253.88 hp or 189.3 kW
Engine @RPM -
PTO Clutch -
Rear PTO independent
Rear PTO RPM 1000 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 17.4 gal/hour or 65.9 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch IV/III
Rear hitch lift -
Front hitch -
Front hitch lift -

David Brown 25 1953 comparison online with competitors

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 -

Related tractor comparison


1953 David Brown 25 competitors and comparison tool online specs and performance
1954 Ferguson TO-35 competitors and comparison tool online specs and performance

David Brown 25 Ferguson TO-35

1953 David Brown 25 competitors and comparison tool online specs and performance
1955 Lanz Bulldog D1306 competitors and comparison tool online specs and performance

David Brown 25 Lanz Bulldog D1306

1978 Allis Chalmers 8550 competitors and comparison tool online specs and performance
1950 Gibson Super D2 competitors and comparison tool online specs and performance

Allis Chalmers 8550 Gibson Super D2

1953 David Brown 25 competitors and comparison tool online specs and performance
1952 McCormick-Deering Super WD-6 competitors and comparison tool online specs and performance

David Brown 25 McCormick-Deering Super WD-6

1978 Allis Chalmers 8550 competitors and comparison tool online specs and performance
1952 Deutz F4L514 4 competitors and comparison tool online specs and performance

Allis Chalmers 8550 Deutz F4L514 4

1953 David Brown 25 competitors and comparison tool online specs and performance
1953 McCormick-Deering Super W-4 competitors and comparison tool online specs and performance

David Brown 25 McCormick-Deering Super W-4


Choose another tractor









Useful links and guides ....