New Holland T9.645 SmartTrax II VS New Holland 7840 specs comparison

New Holland T9.645 SmartTrax II
General InfosMake | 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 | - |

New Holland 7840
General InfosMake | New Holland |
Model | 7840 |
Country | United states |
Production | From 1996 Until 1998 |
Price | 35,650 USD |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | New Holland 7840 Manual |
Dimensions, sizes and tires
AG front tires | 10.00-16 |
AG rear tires | 18.4-34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 8,076 lbs or 3663 kg |
Length | 176 inches [447 cm] |
Width | 83 inches [210 cm] |
Height | 110 inches [279 cm] |
Wheelbase | 103 inches [261 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 401 ci or 6.6 L |
Cylinders | 6 cylinders 12 valves |
Engine power | - |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 57.5 gal or 217.6 L |
Oil capacity | 22.1 qts or 20.9 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | New Holland 7840 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 800 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 55 amps |
Trans system | ElectroShift/Pulse Command |
Trans type | four-speed power shift |
Trans gears | 16 forward and reverse |
Clutch system | wet disc |
Wheel drive | 4x2 2WD |
Final drive | inboard planetary |
Steering | hydrostatic power |
Braking system | mechanical (S) |
Cabin type | Two-post foldable ROPS with flat-deck platform |
Differentiel lock | electro-hydraulic (SLE) |
System | open center |
Valves | 1 to 4 |
Pump flow | 17.4 gpm or 65.9 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 75.2 hp or 56.1 kW |
Fuel consumption | 5.9 gal/hour or 22.3 l/hour |
Pulling power | - |
Claimed power | 90 hp or 67.1 kW |
Real power | 90.4 hp or 67.4 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 5.3 gal/hour or 20.1 l/hour |
Hitch system | Position control and top-link draft sensing |
Rear hitch | II |
Rear hitch lift | 6,210 lbs or 2816 kg |
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 New Holland 7840 manual book version
- Cabine, electrical And mechanical parts for New Holland 7840 farm-tractor here