New Holland T9.645 SmartTrax II VS Muir-Hill 121 specs comparison
New Holland T9.645 SmartTrax II
General Infos| Make | New Holland |
| Model | T9.645 SmartTrax II |
| Country | United states |
| Production | From 2014 |
| Price | - |
| Tractor type | Articulated Crawler tractor |
| Fuel | diesel |
| Service repair manual | New Holland T9.645 SmartTrax II Manual |
Dimensions, sizes and tires
| AG front tires | 36-inch tracks |
| AG rear tires | 36-inch tracks |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 58730 lbs or 26639 kg |
| Length | - |
| Width | - |
| Height | - |
| Wheelbase | 154 inches [391 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 787 ci or 12.9 L |
| Cylinders | 6 cylinders 24 valves |
| Engine power | 638 hp or 475.8 kW |
| Engine RPM | 2100 (rpm) |
| Torque | 2033 lb-ft or 2756.7 Nm | Torque RPM | 1400 (rpm) |
| Fuel type | diesel |
| Fuel injection | electronic direct-injection |
| Fuel tank size | 455 gal or 1722.2 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 24 V |
| Parts And Accessories | New Holland T9.645 SmartTrax II Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | 1000 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 200 amps |
| Trans system | Ultra Command |
| Trans type | full power shift |
| Trans gears | 17 forward and 2 reverse |
| Clutch system | - |
| Wheel drive | articulated crawler |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | wet disc |
| Cabin type | Cab standard with air-condioning |
| Differentiel lock | - |
| System | closed center load sensing |
| Valves | 4 to 8 |
| Pump flow | 113 gpm or 427.7 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | Cat |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 478 hp or 356.4 kW |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 1000 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | position control |
| Rear hitch | IVN |
| Rear hitch lift | 19621 lbs or 8900 kg |
| Front hitch | - |
| Front hitch lift | - |
Muir-Hill 121
General Infos| Make | Muir-Hill |
| Model | 121 |
| Country | England |
| Production | From 1972 Until 1983 |
| Price | - |
| Tractor type | Four wheel Drive (4WD) tractor |
| Fuel | diesel |
| Service repair manual | Muir-Hill 121 Manual |
Dimensions, sizes and tires
| AG front tires | 13.6/12x38 |
| AG rear tires | 13.6/12x38 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 10700 lbs or 4853 kg |
| Length | 156 inches [396 cm] |
| Width | 82 inches [208 cm] |
| Height | - |
| Wheelbase | 75 inches [190 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 64 to 80 inches |
| Front tread size | 64 to 80 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 380 ci or 6.2 L |
| Cylinders | 6 cylinders |
| Engine power | 120 hp or 89.5 kW |
| Engine RPM | 2500 (rpm) |
| Torque | 280 lb-ft or 379.7 Nm | Torque RPM | 1600 (rpm) |
| Fuel type | diesel |
| Fuel injection | direct injection |
| Fuel tank size | 48 gal or 181.7 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | Muir-Hill 121 Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | 128 amps |
| Cold Amps | - |
| Ground force | - |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | gear |
| Trans gears | 8 forward and 2 reverse |
| Clutch system | 355.6mm dry disc |
| Wheel drive | 4x4 4WD |
| Final drive | planetary |
| Steering | power |
| Braking system | hydraulic wet disc |
| Cabin type | Cab standard |
| Differentiel lock | - |
| System | open center |
| Valves | - |
| Pump flow | 11 gpm or 41.6 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | 2600 psi or 179.3 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 90 hp or 67.1 kW |
| Real power | - |
| Engine @RPM | 540@1750 (rpm) |
| PTO Clutch | hydraulic wet disc |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | position and draft control |
| Rear hitch | II |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
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Useful links and guides ....
- New Holland provided us with the latest version of its T9.645 SmartTrax II service repair manual
- Find All mechanical and electrical parts and accessories of New Holland T9.645 SmartTrax II farm-tractor here
- Get your Muir-Hill 121 manual book version
- Cabine, electrical And mechanical parts for Muir-Hill 121 farm-tractor here