Challenger MT285B
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| Production | |
| Distributor | Challenger (a part of AGCO) |
| Manufacturer | Iseki |
| Compact Utility tractor | |
| Built in Matsuyama, Japan | |
| Variants | |
| 1547 | similar Massey Ferguson model |
| Challenger MT285B Engine | |
| Iseki 2.2L 4-cyl diesel | |
 Engine details ... |
| Challenger MT285B Transmissions | |
| hydrostatic | |
| 8-speed | |
| 12-speed partially synchronized with power shuttle | |
 Transmission details ... |
| Challenger MT285B Power | |
| Engine (gross) | 47.5 hp 35.4 kW |
| Engine (net) | 44.5 hp 33.2 kW |
| Gear PTO (claimed) | 38.0 hp 28.3 kW |
| Hydro PTO (claimed) | 36.5 hp 27.2 kW |
| Mechanical | |
| Four-wheel drive | |
| Final drives | spur gear |
| Differential lock | mechanical rear |
| Power steering | |
| Wet disc brakes | |
| Two-post foldable ROPS. Cab optional with air-condtioning. | |
| Photos | |
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 Challenger MT285B photos... | |
| Capacity | |
| Fuel | 13.2 gal 50.0 L |
| Hydraulic system | 10 gal 37.9 L |
| Hydraulics | |
| Type | open center |
| Capacity | 10 gal 37.9 L |
| Pressure | 2276 psi 156.9 bar |
| Rear valves | 2 OptOptional |
| Mid valves | 2 OptOptional |
| Pump flow | 10.5 gpm 39.7 lpm |
| Total flow | 14.9 gpm (sync shuttle) 56.4 lpm |
| 15.9 gpm (power shuttle/hydro) 60.2 lpm | |
| Steering flow | 4.4 gpm (sync shuttle) 16.7 lpm |
| 5.4 gpm (power shuttle/hydro) 20.4 lpm | |
| Steering press. | 2276 psi 156.9 bar |
| Tractor hitch | |
| Rear Type | I |
| Control | position and response control |
| optional top-link draft control | |
| Rear lift (at ends) | 3483 lbs 1579 kg |
| Rear lift (at 24"/610mm) | 3086 lbs 1399 kg |
| Rear Arms | telescopic link ends |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Clutch | electro-hydraulic wet disc |
| Rear PTO Type | 540 (1.375) |
| Mid PTO | independent OptOptional |
| Mid PTO Type | 2000 (1.00) |
| Dimensions & Tires | |
| Wheelbase | 76 inches 193 cm |
| Weight | 3660 lbs 1660 kg |
| Front tire | 9.5-16 |
| Rear tire | 16.9-24 |
 Full dimensions and tires ... | |
| Challenger MT285B attachments | |
| front-end loader | |
| backhoe | |
 Attachment details ... |
| Electrical | |
| Ground | negative |
| Charging system | alternator |
| Charging amps | 40 |
| Battery CCA | 710 |
| Battery volts | 12 |
| References | |
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| MT200B Series published in 2005, by AGCO |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on May 26, 2020 |