Challenger 55 VS Allis Chalmers 8550 specs comparison
Challenger 55
General Infos| Make | Challenger |
| Model | 55 |
| Country | United states |
| Production | From 1996 Until 1998 |
| Price | - |
| Tractor type | Agricultural Crawler tractor |
| Fuel | diesel |
| Service repair manual | Challenger 55 Manual |
Dimensions, sizes and tires
| AG front tires | 16-inch track |
| AG rear tires | 16-inch track |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 26000 lbs or 11793 kg |
| Length | 211 inches [535 cm] |
| Width | 91 inches [231 cm] |
| Height | 120 inches [304 cm] |
| Wheelbase | 86 inches [218 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 60/68/72/76/80/88/90 inches |
| Front tread size | 60/68/72/76/80/88/90 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 442 ci or 7.2 L |
| Cylinders | 6 cylinders |
| Engine power | - |
| Engine RPM | 2100 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 125 gal or 473.1 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Challenger 55 Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | creeper |
| Trans gears | 32 forward and 18 reverse |
| Clutch system | - |
| Wheel drive | crawler |
| Final drive | - |
| Steering | differential power |
| Braking system | wet disc |
| Cabin type | Cab standard with air-conditioning |
| Differentiel lock | - |
| System | variable-displacement load-sensing pressure-compensated |
| Valves | 3 or 4 |
| Pump flow | 31.2 gpm or 118.1 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | 2750 psi or 189.6 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | 191 hp or 142.4 kW |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 225 hp or 167.8 kW |
| Real power | - |
| Engine @RPM | 1000@1900 (rpm) |
| PTO Clutch | electro-hydraulic wet disc |
| Rear PTO | independent |
| Rear PTO RPM | 1000 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | draft control |
| Rear hitch | III/II |
| Rear hitch lift | 12500 lbs or 5670 kg |
| Front hitch | - |
| Front hitch lift | - |
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 |
| Batteries number | 4 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | Power Director |
| Trans type | partial power shift |
| Trans gears | 20 forward and 4 reverse |
| Clutch system | - |
| 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 | - |
| 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 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 |
| 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 |
| Hitch system | - |
| Rear hitch | IV/III |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
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Useful links and guides ....
- Challenger provided us with the latest version of its 55 service repair manual
- Find All mechanical and electrical parts and accessories of Challenger 55 farm-tractor here
- Get your Allis Chalmers 8550 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers 8550 farm-tractor here
