Allis Chalmers 8550 Specs

(1978)

Allis Chalmers 8550 General Information

Brand Allis Chalmers 
Model Allis Chalmers 8550 
Tractor Series
Start year 1978 
End year 1981 
Category / Type Four-wheel Drive (4WD) tractor 
Distributor
Manufacturer Allis Chalmers 
Factory
Serial Number Location Front frame, rear left side 
Number of total built
Original Price (in USD) $86,753 

Allis Chalmers 8550 Chassis, dimensions, weight and tires

Cabin Type Acousta Cab II standard with heat and air-conditioning. Optional radio and 8 track tape deck. 
Wheelbase 126 in 
Length 285 in 
Width 95.5 , 119.5 (long axle) in 
Height 139 (Cabin) in 
Fuel Capacity 170 
Weight - lbs 
Shipping weight 26,400 (duals) lbs 
Ballasted weight 29,360 lbs 
Operating Weight 27,040 lbs 
Front Tyres - Rims dimensions 20.8x34 
Rear Tyres - Rims dimensions 20.8x34 
Steering type hydrostatic power 
Brakes type hydraulic wet discs 
Agricultural Tires (R1) 20.8x34 
Agricultural Tires (R1) 20.8x34 
Turf Tires (R3)
Turf Tires (R3)
Industrial Tires (R4)
Industrial Tires (R4)

Allis Chalmers 8550 Electrical System

Charging System alternator 
Charging Voltage - volts 
Ground negative 
Charging Amperage - A 
Number of batteries
Battery - voltage 12 volts 
Battery - Amp / Hour - Ah 
Battery - Cold Cranking Amperage - A 
Battery - Group
Engine Starter - voltage 12 v 

Allis Chalmers 8550 Engine and Transmission Technical Data

Number of cylinders 6-cylinder 24-valve 
Fuel Type turbocharged diesel 
Engine Code Allis Chalmers 6120T 
Engine size - Displacement - Engine capacity 731 ci 
Bore x Stroke 5.25x6.25 
Compression Ratio 16.25:1 
Maximum power - Output - Horsepower 300 hp @ 2500 rpm 
Engine Cooling Type liquid-cooled inline 
Engine Air Filter / Cleaner dry 
Transmission Type partial power shift Power Director 
Transmission / Gearbox gears 20 forward and 4 reverse 
Transmission Clutch
Drive wheels - Traction - Drivetrain 4x4 articulated 4WD 

Allis Chalmers 8550 PTO - Power Take-Off

Rear PTO Type independent 
Rear PTO Power (Tested) 250 hp ( 253.88 hp) 
Rear PTO RPM 1000 

Allis Chalmers 8550 Drawbar

Drawbar Power (Tested) 210 hp ( 217.92 hp) 

Allis Chalmers 8550 Hydraulics

Type closed center 
Nº of valves 3 or 4 
Pump flow 74.9 gpm 
Steering flow - gpm