Challenger MT845 VS Silver King R66 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 | - |
Silver King R66
General Infos| Make | Silver King |
| Model | R66 |
| Country | United states |
| Production | From 1936 Until 1939 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | gasoline |
| Service repair manual | Silver King R66 Manual |
Dimensions, sizes and tires
| AG front tires | 6.00x16 |
| AG rear tires | 9.00x24 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 2,790 lbs or 1265 kg |
| Length | 128 inches [325 cm] |
| Width | 75 inches [190 cm] |
| Height | 64 inches [162 cm] |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 133 ci or 2.2 L |
| Cylinders | 4 cylinders |
| Engine power | 24.5 hp or 18.3 kW |
| Engine RPM | 1400 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | gasoline |
| Fuel injection | - |
| Fuel tank size | - |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Silver King R66 Parts |
| Batteries number | - |
| Batteries voltage | - |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | gear |
| Trans gears | 4 forward and 1 reverse |
| Clutch system | - |
| Wheel drive | 3x2 2WD |
| Final drive | - |
| Steering | manual |
| Braking system | - |
| 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 | - |
| Drawbar horsepower | 16.44 hp or 12.3 kW |
| Fuel consumption | - |
| Pulling power | 1647 lbs or 747 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 | - |
Related tractor comparison
Silver King R66 Bolinder-Munktell 25
Silver King R66 J.I. Case RC
Silver King R66 Cockshutt 80
Challenger MT845 Cletrac AD
Challenger MT845 Allis Chalmers WF
Silver King R66 Caterpillar Seventy
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 Silver King R66 manual book version
- Cabine, electrical And mechanical parts for Silver King R66 farm-tractor here