New Holland T9.645 SmartTrax II Tracked Tractors (4 Tracks)
New Holland T9.645 SmartTrax II
5+
sold in last yearGeneral overview
New Holland T9.645 SmartTrax II is a farm tractor built for demanding field operations that require high engine output, PTO power, and heavy implement handling. It is powered by a diesel engine with 426 kW (580 hp) and 12.9 L (787 cu in) displacement, and it meets Final Tier 4 A emission standards. The model uses SmartTrax II 36 in tracks.
Key operating features include a 17-speed full PowerShift transmission, rated and maximum PTO power of 351 kW (478 hp), and a closed-center load sensing (CCLS) hydraulic system with a pump rated output of 159 L/min (42 gpm). It is equipped with a rear hitch category of Category IV N, a maximum lift capacity behind lift points of 8,900 kg (19,620 lb), and 4 – 8 rear selective control valves with position control.
Year
2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Country of manufacturing
United States
General specifications
Dimensions
Width
Height
Length
Weight
3,048 mm
~120 in
3,775 mm
~148.6 in
7,600 mm
~299.2 in
26,639 kg
~58,729 lb
Tire or Track Type
Wheels
Engine Power
580 hp
Track Width
0.91 m
Additional specifications
Emission standard level
Final Tier 4 A
Engine type
Diesel
Displacement
787 cu(in)
Maximum PTO power
478 hp
Rated PTO power
478 hp
Transmission type
17-speed full PowerShift
Rear hitch category (SAE designation)
Category IV N
Maximum lift capacity behind lift points
8,900 kg
Fuel tank
1,722.2 L
Hydraulic system type
Closed-center load sensing (CCLS)
Pump rated output
159 L/min
Number of rear selective control valves
4 – 8
SCV control
Position control
Tires
SmartTrax II 36 in tracks
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New Holland T9.645 SmartTrax II Tracked Tractors (4 Tracks)
580 hp
26639 kg
7600 mm × 3048 mm × 3775 mm
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Most popular
What is the average price of a New Holland T9.645 SmartTrax II?
No confirmed market price is supplied. Check current listings and compare condition, location, and configuration.
What are the key advantages of the New Holland T9.645 SmartTrax II?
Listed strengths include 432.5 kW (580 hp) engine power, 356.4 kW (478 hp) PTO power, a 17-speed full PowerShift transmission, Closed-center load sensing (CCLS) hydraulics, and 8,900 kg (19,621 lb) maximum rear lift capacity.
What type of engine does the T9.645 SmartTrax II use?
The T9.645 SmartTrax II uses a Diesel engine with 787 cu in displacement and a Final Tier 4 A emission standard level.
How much horsepower does the T9.645 SmartTrax II have?
Engine power is listed as 432.5 kW (580 hp). Maximum and rated PTO power are both listed as 356.4 kW (478 hp).
What fuel does the New Holland T9.645 SmartTrax II use?
It uses diesel fuel. The listed fuel tank capacity is 1,722.2 L (455 US gal).
What jobs is this Tractors best suited for?
The supplied data does not specify particular jobs. Its listed 432.5 kW (580 hp) engine power, Category IV N rear hitch, and 8,900 kg (19,621 lb) lift capacity may be relevant when matching it with compatible implements.
What is the expected lifespan of the T9.645 SmartTrax II?
No expected service-life figure is supplied. Assess maintenance records, operating hours, engine condition, transmission operation, hydraulic performance, and the condition of tracks and hitch components.
What should a buyer check when purchasing a used Tractors?
Check service records, engine starting and operation, transmission shifting, hydraulic response, PTO function, rear hitch operation, SCV controls, fuel-system condition, and track wear. Confirm that the configuration matches the intended implements and hydraulic requirements.











