New Holland T9.645 SmartTrax II 2025 | Most Powerful Tractor Detailed Review
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Years in Production / 2014–2024
New Holland
T9.645 SmartTrax II
Explore the specifications, hardware, and original references for the New Holland T9.645 SmartTrax II.
No photo
580hp
Source index power
Tracks
Drive
2014–2024
Production years
New Holland
Manufacturer
T9.645 SmartTrax II / 01
At a glance
Overview
2014 -
T9 Series
Articulated Crawler tractor
Production
Articulated Crawler tractor
Built in Fargo, North Dakota, USA
- Manufacturer
- New Holland (a part of CNH)
Mechanical
Wet disc brakes
Cab standard with air-condioning. Optional Comfort Ride cab suspension. ISOBUS compliant; Intelliview IV; IntelliSteer
- Drive
- articulated crawler
- Steering
- hydrostatic power articulated
- Trailer Brakes
- hydraulic OptOptional
Hydraulics
- Type
- closed center load sensing (CCLS)
- Valves
- 4 to 8
- Standard Pump Flow
- 42 gpm159.0 lpm
- High Flow Pump Flow
- 57 gpm215.7 lpm
- Megaflow Pump Flow
- 113 gpm427.7 lpm
Hitch
- Rear Type
- IVN OptOptional
- Control
- position control
- Rear Lift At24610mm
- 19621 lbs8900 kg
- Rear Arms
- adjustable link ends
- Drawbar
- Cat. 4
- Drawbar
- Cat. 5 OptOptional
Pto
- Rear Pto
- independent
- Rear Type
- 1000 (1.75)
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 200
- Batteries
- 2
- Battery Cca
- 1000
- Battery Volts
- 12
T9.645 SmartTrax II / 02
Under the hood
Engine Detail
FPT Cursor 13 TST
two-stage turbocharged inter-cooled and aftercooled diesel
6-cylinder 24-valve
liquid-cooled
- Displacement
- 787 ci12.9 L
- Bore Stroke
- 5.31x5.91 inches135 x 150 mm
- Emissions
- Tier IV
- Emission Control
- selective catalytic reduction with diesel oxidation catalyst
- Rated Power Gross
- 580 hp432.5 kW
- Maximum Power Gross
- 638 hp475.8 kW
- Fuel System
- electronic direct-injection high pressure common rail
- Cooling System
- hydraulic fan drive
- Rated Rpm
- 2100
- Torque
- 2033 lb-ft2756.7 Nm
- Torque Rpm
- 1400
- Starter
- electric
- Starter Volts
- 24
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
FPT 12.9L 6-cyl diesel
- Fuel Tank
- 455 gal1722.2 L
- Exhaust Fluid Def
- 66 gal249.8 L
T9.645 SmartTrax II / 03
Gears & controls
Transmission
- Transmission
- Ultra Command
- Transmission Type
- full power shift
- Gears
- 17 forward and 2 reverse
New Holland T9645 Smarttrax Ii Transmission
17-speed full power shift
T9.645 SmartTrax II / 04
Size. Stance. Footprint.
Tires And Tracks
36-inch tracks
- Wheelbase
- 154 inches391 cm
- Weight
- 58730 lbs26639 kg
Tires And Tracks
- Width
- 36 inches91 cm
See it in action
Videos
Watch New Holland T9.645 SmartTrax II videos from their original YouTube creators.