Challenger MT645E

The Challenger MT645E is a tractor produced by Challenger. It is equipped with a 512.6 ci 8.4 L engine. The rated power output is 240 hp 179.0 kW. Transmission: Techstar CVT. Operating weight: 23810 lbs 10800 kg.

Overview

	2014 - 2020 MT600E SeriesRow-Crop tractor
2014 - 2020
MT600E Series
Row-Crop tractor

Production
Manufacturer	Challenger (a part of AGCO)
Row-Crop tractor
Built in Jackson, Minnesota, USA

Variants
8727	similar Massey Ferguson model

Challenger MT645E Engine
AGCO POWER 8.4L 6-cyl diesel
Fuel tank	166 gal 628.3 L
Exhaust fluid (DEF)	15.8 gal 59.8 L
Engine details ...

Challenger MT645E Transmission
continuously variable transmission (CVT)
Transmission details ...

Challenger MT645E Power
Engine	240 hp 179.0 kW
PTO (claimed)	205 hp 152.9 kW
Drawbar (tested)	209.1 hp 155.9 kW
PTO (tested)	242.6 hp 180.9 kW
Performance test details ...

Mechanical
Four-wheel drive
Differential lock	electro-hydraulic
Steering	hydrostatic power
Hydraulic wet disc brakes
Cab standard with air-conditioning. Optional OptiRide Plus hydraulic cab suspension. AgCommand ready; AUTO-GUIDE 3000

Hydraulics
Type	closed center load sensing (CCLS)
Pressure	2900 psi 200.0 bar
Valves	4 to 6
Pump flow	54 gpm 204.4 lpm

Tractor hitch
Rear Type	III/IVN
Rear lift (at ends)	26455 lbs 11999 kg
Drawbar	Cat. 3
	Cat 3 Heavy Duty (optional)
	Cat 4 (optional)

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000/1000E (1.75)

Dimensions & Tires
Wheelbase	122 inches 309 cm
Weight	23810 lbs 10800 kg
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	240 (twin 120A)
Charging volts	12
Battery volts	12

References
MT600E Series - An MVP on Any Field published in 2014, by AGCO
MT600E Series published in 2017, by AGCO

Engine

Engine Detail — 512.6 ci / 8.4 L Diesel

Manufacturer	AGCO POWER
Configuration	turbocharged with air-to-air intercooler diesel, 6-cylinder 24-valve, liquid-cooled
Displacement	512.6 ci 8.4 L
Bore/Stroke	4.37x5.71 inches 111 x 145 mm
Emissions	Tier IV
Emission control	selective catalytic reduction (SCR)
Power	240 hp 179.0 kW
Maximum Power	270 hp 201.3 kW
Rated RPM	2100
Starter	electric
Starter volts	12

Transmission

Transmission — Techstar CVT

Transmission	Techstar CVT
Type	continuously variable transmission (CVT)
Gears	infinite forward and reverse (2-range)

Dimensions

Challenger MT645E Tires

Dimensions
Wheelbase	122 inches 309 cm
Length	218.6 inches 555 cm
Height (cab)	141 inches 358 cm
Shipping weight	23810 lbs 10800 kg
Bar rear axle	4.33 by 105 inches 109 by 2667 mm
Bar rear axle	4.33 by 118 inches 109 by 2997 mm

Tests

OCED Tractor Test 2906
Diesel TechStar CVT 4WD January 2015 - April 2015, Link: OCED Tractor Test 2906 file
PTO performance
Max power	242.6 hp 180.9 kW
Fuel use	13.5 gal/hour 51.1 l/hour
Power at rated engine speed	217.8 hp 162.4 kW
Fuel use	12.9 gal/hour 48.8 l/hour
Power at rated PTO speed	241.4 hp 180.0 kW
Fuel use	13.5 gal/hour 51.1 l/hour
Drawbar performance
Max power	209.1 hp 155.9 kW
Fuel use	14.3 gal/hour 54.1 l/hour
Pull at 13.82KPH
Max pull	22750 lbs 10319 kg
Pull at 2.45KPH

Photos

Challenger MT645E

Challenger MT645E

Challenger MT645E