Challenger MT255: all source data
All 60 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Distributor | Challenger (a part of AGCO) |
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| Manufacturer | Iseki |
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| (no label) | Compact Utility tractor |
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| (no label) | Built in Matsuyama, Japan |
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Engine| (no label) | Iseki 1.5L 3-cyl diesel |
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| Fuel tank | 6 gal | 22.7 L |
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Transmission| (no label) | 9-speed constant mesh |
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Power| Engine (gross) | 28.4 hp | 21.2 kW |
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| PTO (claimed) | 24.1 hp | 18.0 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Differential lock | mechanical rear |
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| (no label) | Power steering |
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| (no label) | Wet disc brakes |
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| (no label) | Two-post fixed ROPS. |
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Hydraulics| Type | open center |
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| Pressure | 2130 psi | 146.9 bar |
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| Pump flow | 7.4 gpm | 28.0 lpm |
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| Total flow | 9.9 gpm | 37.5 lpm |
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| Steering flow | 2.5 gpm | 9.5 lpm |
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Hitch| Rear Type | I |
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| Control | position control |
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| Control | draft control |
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| Rear lift (at ends) | 1,984 lbs | 899 kg |
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| Rear lift (at 24"/610mm) | 1,323 lbs | 600 kg |
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Pto| Rear PTO | live |
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| Clutch | dry disc |
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| Rear PTO Type | 540 (1.375) |
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| Mid PTO | optional |
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| Mid PTO Type | 2000 |
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Dimensions| Wheelbase | 64.5 inches | 163 cm |
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| Weight | 2,248 lbs | 1019 kg |
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| Front tire | 6-14 |
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| Rear tire | 12.4-16 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Iseki |
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| (no label) | diesel |
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| (no label) | 3-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 89.3 ci | 1.5 L |
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| Bore/Stroke | 3.39x3.30 inches | 86 x 84 mm |
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| Power (gross) | 28.4 hp | 21.2 kW |
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| Rated RPM | 2500 |
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| Starter | electric |
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| Starter volts | 12 |
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Transmission
Transmission| Type | constant mesh |
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| Gears | 9 forward and 3 reverse |
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Dimensions
Tires| Standard tires (ag) | Front: 6-14. Rear: 12.4-16 |
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| Lawn/turf front | 24x8.50-12 |
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| Lawn/turf rear | 315/80D-16 |
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| Industrial front | 25x8.50-14 |
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| Industrial rear | 12.5/80-18 |
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Dimensions| Wheelbase | 64.5 inches | 163 cm |
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| Length | 116.5 inches | 295 cm |
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| Width | 51 inches | 129 cm |
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| Height (ROPS) | 79.3 inches | 201 cm |
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| Weight | 2,248 lbs | 1019 kg |
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| Front tread | 42 inches | 106 cm |
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| Rear tread | 37.2 to 37.25 inches | 94 to 94 cm |
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