New Holland

New Holland TJ450

The New Holland TJ450 is a four-wheel drive (4WD) tractor produced from 2002 to 2005 as part of the TJ I Series. It is built in Fargo, North Dakota, USA, and is the same as the CaseIH STX450. It features a powerful Cummins 14.9L 6-cylinder turbocharged aftercooled diesel engine delivering 450 hp, coupled with a 16-speed full power shift transmission. The tractor includes advanced mechanical features such as hydrostatic power steering, integrated hydraulic wet disc brakes, and a standard cab. Its hydraulics system is a closed center load sensing type with multiple flow options. The tractor hitch is a rear IVN/III type with a lift capacity of 19500 lbs at 24 inches. The PTO is independent and optional, with a 1000 rpm rear PTO type. Dimensions include a 154-inch wheelbase, 317.5-inch length, and 152.1-inch height, with an operating weight of 39325 lbs. Tires are 18.4R46 front and rear. Electrical system features a 12-volt battery with 135 amp alternator charging, optionally 185 amps. The TJ450 is related to the TJ425, TJ480, and TJ500 models.
Power450 hp
Founded2002 - 2005
ModelTJ450

Technical Specifications

Detailed specifications and technical data for New Holland TJ450

Power
Engine power450 hp (335.6 kW)
PTO (tested)454.23 hp (338.7 kW)
PTO (claimed)395 hp (294.6 kW)
Drawbar (tested)371.35 hp (276.9 kW)
Tires
Rear tire18.4R46
Front tire18.4R46
Engine
Typeturbocharged aftercooled diesel
ModelCummins QSX 15
Power450 hp (335.6 kW)
Torque1743 lb-ft (2363.5 Nm)
Cylinders6-cylinder
Fuel tank300 gal (1135.5 L)
Rated RPM2000
Air cleanerdual paper elements
Bore/Stroke5.39x6.65 inches (137 x 169 mm)
Displacement912 ci (14.9 L)
Oil capacity52 qts (49.2 L)
Configurationliquid-cooled inline
Starter volts12
Coolant capacity21.1 qts (20.0 L)
Compression ratio16.5:1
Variants
STX450similar CaseIH model
Dimensions
Height152.1 inches (386 cm)
Length317.5 inches (806 cm)
Wheelbase154 inches (391 cm)
Ballasted weight44560 lbs (20212 kg)
Operating weight39325 lbs (17837 kg)
Electrical
Groundnegative
Battery CCA1000
Battery volts12
Charging amps135
Charging systemalternator
Optional charging amps185
Hydraulics
Typeclosed center load sensing
SCV flow35 gpm (132.5 lpm)
Total flow40 gpm (151.4 lpm)
Rear valves4 to 7
Optional flow 155 gpm (208.2 lpm)
Optional flow 290 gpm (340.7 lpm)
Mechanical
Cabstandard
DriveFour-wheel drive
BrakesIntegrated hydraulic wet disc brakes
Steeringhydrostatic power
Final drivescompound planetary
Production
TypeFour-wheel Drive (4WD) tractor
NotesThe New Holland TJ450 is the same as the CaseIH STX450.
SeriesTJ I Series
Built inFargo, North Dakota, USA
Years produced2002 - 2005
Transmission
Typefull power shift
Gears16 forward and 2 reverse
Clutchelectro-hydraulic wet disc
Tractor hitch
Rear TypeIVN/III
Rear lift (at 24"/610mm)19500 lbs (8845 kg)
Power Take-off (PTO)
Rear PTOindependent (Optional)
Rear PTO Type1000 (1.75)