Challenger

Challenger MT285

The Challenger MT285 is a compact utility tractor built by Iseki and distributed by Challenger (a part of AGCO) from 2003 to 2005. It belongs to the MT200 Series and was built in Matsuyama, Japan. It features a turbocharged 3-cylinder liquid-cooled diesel engine with 40.1 hp gross power. The tractor offers a 16-speed power shuttle transmission or a hydrostatic transmission option. It includes four-wheel drive, mechanical rear differential lock, power steering, wet disc brakes, and a two-post folding ROPS. The hydraulic system is open center with 2130 psi pressure and multiple flow rates. The tractor hitch is type I with position control and optional draft control. PTO options include independent rear and optional mid PTO. Dimensions include a 68.5 inch wheelbase, 121.5 inch length, and weight of 3,174 lbs. Attachments available include mower decks, blades, snow blowers, loaders, and backhoes.

Power40 hp

Founded2003 - 2005

ModelMT285

View Images

Technical Specifications

Detailed specifications and technical data for Challenger MT285

Power

Engine (gross)	40.1 hp (29.9 kW)
Gear PTO (claimed)	32.4 hp (24.2 kW)
Hydro PTO (claimed)	31.7 hp (23.6 kW)

Engine

Type	turbocharged diesel
Cooling	liquid-cooled
Starter	electric
Cylinders	3-cylinder
Fuel tank	7.9 gal (29.9 L)
Rated RPM	2600
Bore/Stroke	3.43x3.30 inches (87 x 84 mm)
Displacement	91.4 ci (1.5 L)
Manufacturer	Iseki
Power (gross)	40.1 hp (29.9 kW)
Starter volts	12

Variants

1440	similar Massey Ferguson model

Electrical

Ground	negative
Battery volts	12
Charging system	alternator

Hydraulics

Type	open center
Pressure	2130 psi (146.9 bar)
Pump flow	7.7 gpm (29.1 lpm)
Total flow	12.2 gpm (gear) (46.2 lpm), 9.6 gpm (hydro) (36.3 lpm)
Steering flow	4.5 gpm (17.0 lpm)

Mechanical

ROPS	Two-post folding ROPS
Drive	Four-wheel drive
Brakes	Wet disc brakes
Power steering	Yes
Differential lock	mechanical rear

Production

Type	Compact Utility tractor
Series	MT200 Series
Built in	Matsuyama, Japan
Distributor	Challenger (a part of AGCO)
Manufacturer	Iseki
Production years	2003 - 2005

Attachments

66" Blade	Challenger MDZ66, front-mount, 66 inches width (167 cm)
ML30 Loader	1050 lbs lift (full at 500mm) (476 kg), 30° dump, 22.5 inches reach (dumped) (57 cm), 16° rollback, 98 inches height (at pin) (248 cm), 80 inches clearance (dumped) (203 cm)
63" Snow blower	Challenger MSB63, front-mount, 63 inches width (160 cm)
Challenger MH20 Backhoe	Transport height 72.8 inches (184 cm), Bucket widths 10, 12, 16, 24, 37 inches (25, 30, 40, 60, 93 cm), 2-Foot flat digging depth 96 inches (243 cm), Reach from pivot 112.2 inches (284 cm), Bucket Rotation 165°, Swing Arc 180°
72" mid-mount mower deck	mid-mount Challenger MG716, 3-blade, 72 inches (182 cm) cutting width

Transmission

Options	16-speed power shuttle, hydrostatic
Hydrostatic	infinite forward and reverse (3-range)
Power shuttle	16 forward and reverse gears, four synchronized gears (1-4) in four ranges with power shuttle

Tractor hitch

Control	position control
Rear Type	I
Draft control	Optional
Rear lift (at ends)	2,755 lbs (gear) (1249 kg), 2,866 lbs (hydro) (1300 kg)
Rear lift (at 24"/610mm)	2,100 lbs (gear) (952 kg), 1,940 lbs (hydro) (879 kg)

Dimensions & Tires

Width	60.6 inches (153 cm)
Length	121.5 inches (308 cm)
Weight	3,174 lbs (1439 kg)
Wheelbase	68.5 inches (173 cm)
Rear tread	45 to 56.8 inches (114 to 144 cm)
Front tread	44 inches (111 cm)
Height (ROPS)	93.2 inches (236 cm)
Lawn/turf rear	355/80D-20, 610R470
Industrial rear	15-19.5, 14.9-24
Lawn/turf front	212/80D-15, 305R343
Industrial front	25x8.50-14, 10-16.5
Standard tires (ag)	Front: 8-16, Rear: 13.6-24
Height (Folded ROPS)	70.8 inches (179 cm)