Challenger MT845 VS Allis Chalmers HD11 specs comparison

Challenger MT845
General InfosMake | Challenger |
Model | MT845 |
Country | United states |
Production | From 2002 Until 2004 |
Price | - |
Tractor type | Agricultural Crawler tractor |
Fuel | diesel |
Service repair manual | Challenger MT845 Manual |
Dimensions, sizes and tires
AG front tires | 18-inch track |
AG rear tires | 18-inch track |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 40000 lbs or 18144 kg |
Length | 265.9 inches [675 cm] |
Width | 142.1 inches [360 cm] |
Height | 138.1 inches [350 cm] |
Wheelbase | 118.1 inches [299 cm] |
Ground clearance | 18.7 inches [47 cm] |
Turning radius | - |
Rear tread size | 90 to 128 inches |
Front tread size | 90 to 128 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 729 ci or 11.9 L |
Cylinders | 6 cylinders |
Engine power | 380 hp or 283.4 kW |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 305 gal or 1154.4 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger MT845 Parts |
Batteries number | 3 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 160 amps |
Trans system | Caterpillar |
Trans type | full power shift |
Trans gears | 16 forward and 4 reverse |
Clutch system | hydraulic wet disc |
Wheel drive | crawler |
Final drive | - |
Steering | power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | closed center load sensing |
Valves | 4 to 6 |
Pump flow | 43.5 gpm or 164.6 lpm |
SVC flow | 30 gpm or 113.6 lpm |
Steering flow | - |
Tank capacity | 70 gal or 264.9 L |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 297.93 hp or 222.2 kW |
Fuel consumption | 19.0 gal/hour or 71.9 l/hour |
Pulling power | 38250 lbs or 17350 kg |
Claimed power | 313 hp or 233.4 kW |
Real power | 365.34 hp or 272.4 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 | 19.4 gal/hour or 73.4 l/hour |
Hitch system | - |
Rear hitch | IVN |
Rear hitch lift | 19500 lbs or 8845 kg |
Front hitch | - |
Front hitch lift | - |

Allis Chalmers HD11
General InfosMake | Allis Chalmers |
Model | HD11 |
Country | United states |
Production | From 1955 Until 1965 |
Price | - |
Tractor type | Agricultural Crawler tractor |
Fuel | diesel |
Service repair manual | Allis Chalmers HD11 Manual |
Dimensions, sizes and tires
AG front tires | tracks |
AG rear tires | tracks |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 22200 lbs or 10069 kg |
Length | 154 inches [391 cm] |
Width | - |
Height | 84 inches [213 cm] |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 516 ci or 8.5 L |
Cylinders | 6 cylinders |
Engine power | 130 hp or 96.9 kW |
Engine RPM | 1800 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 60 gal or 227.1 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 24 V |
Parts And Accessories | Allis Chalmers HD11 Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | sliding gear |
Trans gears | 6 forward and 3 reverse |
Clutch system | - |
Wheel drive | crawler |
Final drive | - |
Steering | - |
Braking system | contracting band |
Cabin type | Open operator sttion |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | 58 hp or 43.3 kW |
Drawbar horsepower | 73.8 hp or 55.0 kW |
Fuel consumption | - |
Pulling power | 20468 lbs or 9284 kg |
Claimed power | - |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | - |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Challenger provided us with the latest version of its MT845 service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT845 farm-tractor here
- Get your Allis Chalmers HD11 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD11 farm-tractor here