Allis Chalmers 8550

(1 vote, average: 5.00 out of 5)
3-Point Hitch
Rear type IV/III
Control -
Rear lift -
Front hitch -
Front lift -
Power Take-off (PTO):
Rear PTO independent
Clutch -
Rear RPM 1000
Front PTO -
Engine RPM -
Capacity
Fuel 170 gal [643.5 L]
Dimensions & Tires
Wheelbase 126 inches [320 cm]
Weight 26400 to 29360 pounds
Front tire 18.4x38
Rear tire 18.4x38
Allis Chalmers 8550 Power:
Engine gross -
Engine max -
Mechanical
Chassis 4x4 articulated 4WD
Differential lock -
Steering hydrostatic power
Brakes hydraulic wet discs
Trailer brakes -
Cab Acousta Cab II standard with heat and air-conditioning. Optional radio and 8 track tape deck.
Hydraulics
Type IV/III
Rear valves -
Mid valves -
Pump flow hydrostatic powe
SCV flow -
Total flow -
Electrical
Ground negative
Charging system alternator
Charging amps -
Charging volts -
Battery
Number 4
Cold-cranking amps -
Volts 12
Engine Detail
Allis Chalmers 6120T
turbocharged diesel
6-cylinder 24-valve
liquid-cooled inline
731 ci [12.0 L]
Engine specifications
Bore/Stroke 5.25x6.25 inches [133 x 159 mm]
Emissions -
Emission control -
Rated Power -
Maximum Power -
Air cleaner dry
Pre-heating -
Compression -
Fuel system -
Rated RPM 2500
Operating RPM -
Torque -
Torque RPM -
Starter -
Starter volts 12
Oil capacity 46 qts [43.5 L] (2 filter)
Oil change -
Coolant capacity 72 qts [68.1 L]
1978 - 1981
Type partial power shift
Gears 20 forward and 4 reverse
Clutch -
Speeds Allis 8550 speeds with 18.4x38 tires.
Power Director
Type -
Gears -
Clutch -
Speeds -
Allis Chalmers 8550 Tires
Ag front 1978 - 1981
Ag rear 18.4x38
Standard tires (ag) -
Dimensions
Weight (operating) 27,040 lbs [12265 kg]
Weight (max capacity) -
Front axle load -
Rear axle load -
Wheelbase 126 inches [320 cm]
Length 285 inches [723 cm]
With hitch Length: -
Width 95.5 inches [242 cm]
119.5 inches [303 cm] (long axle)
Height (hood) 90.3 inches [229 cm]
Height (cab) 139 inches [353 cm]
Front axle -
Rear axle -
Height (exhaust) 154 inches [391 cm]
Clearance (front axle) -
Clearance (rear axle) -
Clearance (drawbar) -
Test name
Test Date 1978 - 1981
Test Type Diesel 20-speed 4WD
PTO power (max) -
PTO fuel use (max) -
PTO power (rated engine speed) 253.88 hp [189.3 kW]
PTO fuel use (engine speed) 17.4 gal/hour [65.9 l/hour]
PTO fuel use (PTO speed) -
Drawbar power (max) 217.92 hp [162.5 kW]
Drawbar fuel use (max) 17.5 gal/hour [66.2 l/hour]
Drawbar pull (max) 26,220 lbs [11893 kg]
Max pull gear 2SL
Test name
Test Date October 15 - 28, 1977
Test Type -
PTO power (max) -
PTO fuel use (max) -
PTO power (rated engine speed) -
PTO fuel use (engine speed) -
PTO fuel use (PTO speed) -
Drawbar power (max) -
Drawbar fuel use (max) -
Drawbar pull (max) -
Max pull gear -