Challenger MT845 VS Allis Chalmers D21 Series I specs comparison
Challenger MT845
General Infos| Make | 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 D21 Series I
General Infos| Make | Allis Chalmers |
| Model | D21 Series I |
| Country | United states |
| Production | From 1963 Until 1969 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | Allis Chalmers D21 Series I Manual |
Dimensions, sizes and tires
| AG front tires | 11.00x16 |
| AG rear tires | 24.5x32 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 9500 lbs or 4309 kg |
| Length | 160.6 inches [407 cm] |
| Width | 91.6 inches [232 cm] |
| Height | - |
| Wheelbase | 96.1 inches [244 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 426 ci or 7.0 L |
| Cylinders | 6 cylinders |
| Engine power | - |
| Engine RPM | 2200 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 52 gal or 196.8 L |
| Oil capacity | 12 qts or 11.4 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Allis Chalmers D21 Series I Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | 95 amps |
| Cold Amps | - |
| Ground force | negative |
| Charging system | Delco-Remy generator |
| Charging Volts | - |
| Charging Amps | 32 amps |
| Trans system | Power Director |
| Trans type | sliding gear |
| Trans gears | 8 forward and 2 reverse |
| Clutch system | dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | power |
| Braking system | band actuated disc |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | 93 hp or 69.4 kW |
| Drawbar horsepower | 93.09 hp or 69.4 kW |
| Fuel consumption | 7.1 gal/hour or 26.9 l/hour |
| Pulling power | 14,840 lbs or 6731 kg |
| Claimed power | 103 hp or 76.8 kW |
| Real power | 103.06 hp or 76.9 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 | 7.1 gal/hour or 26.9 l/hour |
| Hitch system | - |
| Rear hitch | III/II |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
Challenger MT845 Cockshutt 1600
Allis Chalmers D21 Series I Cockshutt 770
Allis Chalmers D21 Series I Massey Ferguson 825
Allis Chalmers D21 Series I Massey Ferguson 150
Challenger MT845 Deutz D 8005
Challenger MT845 IMT 555
Choose another tractor
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 D21 Series I manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers D21 Series I farm-tractor here
