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Challenger MT285

Challenger MT285 tractor
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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.
Challenger MT285tractorcompact utilityIseki engine40 hppower shuttlehydrostaticdimensionsattachments
Power40 hp
Founded2003 - 2005
ModelMT285

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)

Power Take-off (PTO)

Clutch:wet disc
Mid PTO:independent Optional
Rear PTO:independent
Mid PTO Type:2000
Rear PTO Type:540 (1.375)

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