CaseIH

CaseIH Steiger 645 Quadtrac

The CaseIH Steiger 645 Quadtrac is a powerful articulated crawler tractor introduced in 2024 as part of the Steiger Quadtrac Series. It features a turbocharged 12.9L 6-cylinder FPT Cursor 13 diesel engine delivering up to 689.4 hp gross power. The tractor uses a 17-speed full power shift PowerDrive transmission and offers advanced articulated power steering. It is equipped with a closed center hydraulic system with multiple pump flow options and a rear IVN hitch with substantial lift capacity. The Steiger 645 Quadtrac is designed for heavy-duty farming applications requiring high power and traction.
Power636 hp
Founded2024 -
ModelSteiger 645 Quadtrac

Technical Specifications

Detailed specifications and technical data for CaseIH Steiger 645 Quadtrac

Power
Engine (max)689.4 hp (514.1 kW)
PTO (claimed)529.6 hp (394.9 kW)
Engine (gross)636.2 hp (474.4 kW)
Engine
Typeturbocharged diesel
ModelFPT Cursor 13
Coolingliquid-cooled
Starterelectric
Cylinders6-cylinder 24-valve
EmissionsTier IV
Fuel tank470 gal (1779.0 L)
Rated RPM2100
Bore/Stroke5.31x5.91 inches (135 x 150 mm)
Displacement787 ci (12.9 L)
Starter volts12
Exhaust fluid (DEF)85 gal (321.7 L)
Rated Power (gross)636.2 hp (474.4 kW)
Maximum Power (gross)689.4 hp (514.1 kW)
Weight
Shipping56800 lbs (25764 kg)
Max Drawbar6000 lbs (Cat 4) (2721 kg), 11000 lbs (Cat 4) Optional (4989 kg), 15000 lbs (Cat 5) (6804 kg)
Max capacity67000 lbs (30391 kg)
Dimensions
Wheelbase154 inches (391 cm)
Front axleFlange: 88 inch length (2235 mm)
Flange rear axle88 inch length (2235 mm)
Electrical
Groundnegative
Batteries3
Battery CCA950
Battery volts12
Charging amps240, 330 Optional
Charging systemalternator
Hydraulics
Typeclosed center
Valves4 to 8
SCV flow35 gpm (132.5 lpm)
Pump flow42 gpm (159.0 lpm), 57 gpm Optional (215.7 lpm), 113 gpm Optional (427.7 lpm)
Mechanical
Cabstandard with air-conditioning
Drivearticulated crawler
Final drivesplanetary
Articulated power steeringyes
Production
TypeArticulated Crawler tractor
SeriesSteiger Quadtrac Series
Production years2024 -
Transmission
Typefull power shift
Gears17 forward and 2 reverse
TransmissionPowerDrive
Tractor hitch
DrawbarCat 4, Cat 5 Optional
Rear TypeIVN
Rear lift (at 24"/610mm)22250 lbs (10092 kg)
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type1000 (1.75)