Challenger MT685D

The Challenger MT685D is a tractor produced by Challenger. It is equipped with a 513.8 ci 8.4 L engine. The rated power output is 340 hp 253.5 kW. Transmission: Techstar CVT. Operating weight: 24250 lbs 10999 kg.

Overview

	2011 - 2013 MT600D SeriesRow-Crop tractor
2011 - 2013
MT600D Series
Row-Crop tractor

Production
Manufacturer	Challenger (a part of AGCO)
Row-Crop tractor
Built in Jackson, Minnesota, USA
Original price was $335,497 in 2014

Variants
8690	similar Massey Ferguson model

Challenger MT685D Engine
AGCO Power 8.4L 6-cyl diesel
Engine details ...

Challenger MT685D Transmission
continuously variable transmission
Transmission details ...

Challenger MT685D Power
Engine (gross)	340 hp 253.5 kW
PTO (claimed)	290 hp 216.3 kW
Drawbar (tested)	245.7 hp 183.2 kW
PTO (tested)	333.2 hp 248.5 kW
Performance test details ...

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

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

Tractor hitch
Rear Type	Cat III
Rear lift	22760 lbs 10323 kg
Front Hitch	Cat 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 PTO Type	1000/1000E (1.75)
	540E/1000/1000E (optional)
Engine RPM	540E@1577
	1000E@1605
	1000@1970

Dimensions & Tires
Wheelbase	122 inches 309 cm
Weight	24250 lbs 10999 kg
Front tire	480/70R34
Rear tire	520/85R46
Full dimensions and tires ...

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

References
Challenger MT600D Series published in 2011, by AGCO

Engine

Engine Detail — 513.8 ci / 8.4 L Diesel

Manufacturer	AGCO Power
Configuration	turbocharged air-to-air intercooled diesel, 6-cylinder, liquid-cooled
Displacement	513.8 ci 8.4 L
Bore/Stroke	4.370x5.709 inches 111 x 145 mm
Emissions	Interim Tier IV
Emission control	selective catalytic reduction (SCR)
Power (gross)	340 hp 253.5 kW
Maximum Power	370 hp 275.9 kW
Fuel system	electronic high-pressure common rail
Pre-heating	thermostart
Compression	16.7:1
Rated RPM	2100
Starter	electric
Starter volts	12

Challenger MT685D Engine

Transmission

Transmission — Techstar CVT

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

Dimensions

Challenger MT685D Tires
Standard tires (ag)	Front: 480/70R34. Rear: 520/85R46

Dimensions
Wheelbase	122 inches 309 cm
Length	215.7 inches 547 cm
Height (cab)	141 inches 358 cm
Shipping 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

Tests

OCED Tractor Test 2722
Diesel Techstar CVT 4WD January 2012 - July 2012, Link: OCED Tractor Test 2722 file
PTO performance
Max power	333.2 hp 248.5 kW
Fuel use	17.6 gal/hour 66.6 l/hour
Power at rated engine speed	305.4 hp 227.7 kW
Fuel use	16.8 gal/hour 63.6 l/hour
Power at rated PTO speed	331.0 hp 246.8 kW
Fuel use	17.6 gal/hour 66.6 l/hour
Drawbar performance
Max power	245.7 hp 183.2 kW
Fuel use	16.5 gal/hour 62.5 l/hour
Pull at 8.92 KPH
Max pull	25170 lbs 11417 kg
Pull at 5.26 KPH

Photos

Challenger MT685D tractor photo