Challenger MT645D Row-Crop tractor Specs & Features

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Challenger MT645D Row-Crop tractor Technical Specifications

Challenger MT645D is a Row-Crop tractor that was produced by the John Deere between 2011 – 2013.

Below you will find detailed technical specifications for Challenger MT645D covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Challenger MT645D Production

Manufacturer:
Manufacturer:	Challenger (a part of AGCO)
Type:	Row-Crop tractor
Factory:	Jackson, Minnesota, USA
Original price:	$263,455 (2013 )

Challenger MT645D Power

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

Challenger MT645D Electrical

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

Challenger MT645D Mechanical

Chassis:

4×4 MFWD 4WD

Final drives:

inboard planetary

Differential lock:

electro-hydraulic

Steering:

hydrostatic power

Brakes:

hydraulic wet disc

Trailer brakes:

pneumatic (optional)

hydraulic (optional)

Cab:

Cab standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional)

AGCOMMAND (optional)

Transmission:

continuously variable transmission

Capacity

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

Hydraulics

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

Tracktor Hitch

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

Power Take-off (PTO)

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

Challenger MT645D Engine detail

Engine Detail
AGCO Power
turbocharged air-to-air intercooled diesel
6-cylinder
liquid-cooled
Displacement:	513.8 ci 8.4 L
Bore/Stroke:	4.370×5.709 inches 111 x 145 mm
Emissions:	Interim Tier IV
Emission control:	selective catalytic reduction (SCR)
Power (gross):	240 hp 179.0 kW
Maximum Power:	270 hp 201.3 kW
Fuel system:	electronic high-pressure common rail
Pre-heating:	thermostart
Compression:	16.7:1
Rated RPM:	2100
Starter:	electric
Starter volts:	12

Challenger MT645D Transmission overview

Engine Oil

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

Challenger MT645D Dimensions

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

Challenger MT645D Tests

OCED Tractor Test 2716

OCED Tractor Test 2716
Diesel Techstar CVT 4WD January 2012 – March 2012, Link: OCED Tractor Test 2716 file
PTO performance
Max power:	250.8 hp 187.0 kW
Fuel use:	13.4 gal/hour 50.7 l/hour
Power at rated engine speed:	215.9 hp 161.0 kW
Fuel use:	12.2 gal/hour 46.2 l/hour
Power at rated PTO speed:	250.0 hp 186.4 kW
Fuel use:	13.4 gal/hour 50.7 l/hour
Drawbar performance
Max power:	170.7 hp 127.3 kW
Fuel use:	11.5 gal/hour 43.5 l/hour
Pull at 7.43 KPH
Max pull:	25705 lbs 11659 kg
Pull at 4.13 KPH

FAQ

Is Challenger MT645D a good tractor?

The Challenger MT645D is one of the great tractors in the Challenger (a part of AGCO) stable, and it has earned Challenger (a part of AGCO) a fantastic reputation.

How much oil does a Challenger MT645D take?

Check out the Challenger MT645D oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Challenger (a part of AGCO) made the MT645D?

The Challenger MT645D was an agricultural tractor model made from 2011 – 2013