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Challenger MT645D

The Challenger MT645D is a row-crop tractor produced from 2011 to 2013 as part of the MT600D Series by Challenger, a part of AGCO. It features a powerful AGCO Power 8.4L 6-cylinder turbocharged air-to-air intercooled diesel engine with 240 hp gross power and a Techstar CVT continuously variable transmission. The tractor includes advanced mechanical features such as four-wheel drive, inboard planetary final drives, electro-hydraulic differential lock, hydrostatic power steering, and hydraulic wet disc brakes. It offers a spacious cab with air-conditioning and optional hydraulic suspension and AGCOMMAND system. The MT645D has a fuel capacity of 167 gallons and a hydraulic system capacity of 29.1 gallons with closed center load sensing hydraulics. It supports a rear hitch type III with a lift capacity of 22,760 lbs and optional front hitch. The PTO is independent with electro-hydraulic clutch and multiple speed options. Dimensions include a 122-inch wheelbase, 215.7-inch length, and 141-inch cab height, with standard agricultural tires sized 480/70R34 front and 520/85R46 rear. Electrical system features a 240 amp alternator and two 12-volt batteries. The MT645D was built in Jackson, Minnesota, USA, and originally priced at $263,455 in 2013.
Challenger MT645Dtractorspecificationsenginetransmissionpowerdimensionshydraulicsfarm tractor
Power240 hp
Founded2011 - 2013
ModelMT645D

Technical Specifications

Detailed specifications and technical data for Challenger MT645D

Power

PTO (tested):250.8 hp (187.0 kW)
PTO (claimed):205 hp (152.9 kW)
Engine (gross):240 hp (179.0 kW)
Drawbar (tested):170.7 hp (127.3 kW)

Tires

Standard tires (ag):Front: 480/70R34, Rear: 520/85R46

Engine

Type:turbocharged air-to-air intercooled diesel
Cooling:liquid-cooled
Starter:electric
Cylinders:6-cylinder
Emissions:Interim Tier IV
Rated RPM:2100
Bore/Stroke:4.370x5.709 inches (111 x 145 mm)
Compression:16.7:1
Fuel system:electronic high-pressure common rail
Pre-heating:thermostart
Displacement:513.8 ci (8.4 L)
Manufacturer:AGCO Power
Maximum Power:270 hp (201.3 kW)
Power (gross):240 hp (179.0 kW)
Starter volts:12
Emission control:selective catalytic reduction (SCR)

Capacity

Fuel:167 gal (632.1 L)
Hydraulic system:29.1 gal (110.1 L)
Exhaust fluid (DEF):16 gal (60.6 L)

Dimensions

Length:215.7 inches (547 cm)
Rear axle:4.33 by 105 inches (109 by 2667 mm), 4.33 by 118 inches (109 by 2997 mm)
Wheelbase:122 inches (309 cm)
Front axle:4WD, 4WD Quadlink Suspension
Max weight:33070 lbs (15000 kg)
Height (cab):141 inches (358 cm)
Shipping weight:24250 lbs (10999 kg)

Electrical

Ground:negative
Batteries:2
Battery volts:12
Charging amps:240
Charging system:alternator

Hydraulics

Type:closed center load sensing (CCLS)
Valves:4 to 6
Capacity:29.1 gal (110.1 L)
Pressure:2900 psi (200.0 bar)
SCV flow:26.4 gpm (99.9 lpm)
Total flow:46 gpm (174.1 lpm)

Mechanical

Cab:standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional); AGCOMMAND (optional)
Brakes:Hydraulic wet disc brakes
Steering:hydrostatic power
Final drives:inboard planetary
Trailer brakes:pneumatic (optional), hydraulic (optional)
Four-wheel drive:yes
Differential lock:electro-hydraulic

Production

Type:Row-Crop tractor
Series:MT600D Series
Built in:Jackson, Minnesota, USA
Original price:$263,455 in 2013
Years produced:2011 - 2013

Transmission

Type:continuously variable transmission
Gears:infinite forward and reverse
Transmission:Techstar CVT

Tractor hitch

Drawbar:Cat. 3, Cat. 3 Heavy-Duty (optional), Cat. 4 (optional)
Rear Type:III
Rear lift:22760 lbs (10323 kg)
Front Hitch:III (optional)
Front lift (at ends):11000 lbs (4989 kg)

Power Take-off (PTO)

Clutch:electro-hydraulic
Rear PTO:independent
Engine RPM:540E@1577, 1000E@1605, 1000@1970
Rear PTO Type:1000/1000E (1.75), 540E/1000/1000E (optional)

Related Models

Challenger MT645E

Model:MT645E

Challenger MT655D

Model:MT655D

Challenger MT645C

Model:MT645C