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Challenger MT255B

Challenger MT255B tractor
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The Challenger MT255B is a compact utility tractor built by Iseki and distributed by Challenger (a part of AGCO) from 2005 to 2008. It features a 1.5L 3-cylinder liquid-cooled diesel engine producing 28.4 hp gross and 28 hp net. The tractor offers hydrostatic and 9-speed gear transmission options, four-wheel drive with mechanical rear differential lock, power steering, and wet disc brakes. It has a two-post foldable ROPS and is built in Matsuyama, Japan. The MT255B supports various attachments including front-end loaders and backhoes, with detailed specifications for the ML20B loader and MH10B backhoe. It has a fuel capacity of 7.9 gallons and hydraulic systems with open center type and optional valves. Dimensions include a 65.5 inch wheelbase, 112.4 inch length, and a minimum width of 50.6 inches. The tractor weighs between 2370 and 2423 pounds depending on configuration.
Challenger MT255Bcompact utility tractorIseki enginehydrostatic transmissiontractor specificationsfarm tractorMT200B series
Power28 hp
Founded2005 - 2008
ModelMT255B

Technical Specifications

Detailed specifications and technical data for Challenger MT255B

Power

Engine (net):28 hp (20.9 kW)
Engine (gross):28.4 hp (21.2 kW)
Gear PTO (claimed):24.2 hp (18.0 kW)
Hydro PTO (claimed):22.3 hp (16.6 kW)

Engine

Type:diesel
Model:Iseki E3CF
Cooling:liquid-cooled
Idle RPM:930-2750
Cylinders:3-cylinder
Rated RPM:2500
Air cleaner:dual-stage dry
Bore/Stroke:3.39x3.30 inches (86 x 84 mm)
Fuel system:indirect injection
Power (net):28 hp (20.9 kW)
Pre-heating:glow plugs
Displacement:89.3 ci (1.5 L)
Oil capacity:3.8 qts (3.6 L)
Power (gross):28.4 hp (21.2 kW)
Starter volts:12
Coolant capacity:5.8 qts (5.5 L)

Capacity

Fuel:7.9 gal (29.9 L)
Gear Hydraulic system:4.8 gal (18.2 L)
Hydro Hydraulic system:7.7 gal (29.1 L)

Variants

1528:similar Massey Ferguson model

Electrical

Ground:negative
Battery CCA:582
Battery volts:12
Charging amps:40
Charging system:alternator

Hydraulics

Type:open center
Pressure:2134 psi (147.1 bar)
Pump flow:7.4 gpm (28.0 lpm)
Mid valves:2 Optional
Total flow:10.0 gpm (37.9 lpm)
Rear valves:2 Optional
Gear Capacity:4.8 gal (18.2 L)
Steering flow:2.6 gpm (9.8 lpm)
Hydro Capacity:7.7 gal (29.1 L)
Steering pressure:1711 psi (118.0 bar)

Mechanical

ROPS:Two-post foldable ROPS
Drive:Four-wheel drive
Brakes:Wet disc brakes
Final drives:spur gear
Power steering:Yes
Differential lock:mechanical rear

Production

Type:Compact Utility tractor
Built in:Matsuyama, Japan
Distributor:Challenger (a part of AGCO)
Manufacturer:Iseki
Production years:2005 - 2008

Attachments

Backhoe:Yes

ML20B Loader

Dump time:2.2s
Dump angle:44°
Lower time:3.2s
Raise time:5.5s
Bucket width:51 inches (129 cm)
Rollback time:3s
Reach (dumped):16 inches (40 cm)
Reach (ground):52 inches (132 cm)
Rollback angle:17°
Height (at pin):90 inches (228 cm)
Breakout (at pin):2387 lbs (1082 kg)
Clearance (dumped):71 inches (180 cm)
Lift (full at pin):1188 lbs (538 kg)
Lift (1.5m at 500mm):1139 lbs (516 kg)
Lift (full at 500mm):813 lbs (368 kg)
Front-end loader:Yes

Challenger MH10B Backhoe

Swing Arc:180°
Backhoe type:Challenger MH10B Backhoe
Bucket width:10 inches (25 cm), 12 inches (30 cm), 16 inches (40 cm)
Digging depth:78 inches (198 cm)
Bucket Rotation:165°
Reach from pivot:102 inches (259 cm)
Transport height:63.8 inches (162 cm)

Transmission

Gear

Type:gear
Gears:9 forward and 3 reverse
Notes:Three non-synchronized gears (1-3), plus reverse (R) in three non-synchronized ranges.
Clutch:dry dual stage
Oil capacity:19 qts (18.0 L)
Options:hydrostatic, 9-speed gear

Hydrostatic

Type:hydrostatic
Gears:infinite forward and reverse (3-range)
Oil capacity:30.6 qts (29.0 L)

Tractor hitch

Control:position and response control
Rear Arms:fixed link ends
Rear Type:I
Rear lift (at ends):2425 lbs (1099 kg)
Top-link draft control:Optional, with hydrostatic transmission
Rear lift (at 24"/610mm):1610 lbs (730 kg)

Dimensions & Tires

Width:50.6 inches (128 cm) Minimum width
Length:112.4 inches (285 cm)
Weight:2370 to 2423 pounds
Rear tire:9.5-24
Wheelbase:65.5 inches (166 cm)
Front tire:7-14
Rear tread:37.6 inches (95 cm)
Front tread:39.6 inches (100 cm)
Ag rear tire:9.5-24
Max capacity:4145 lbs (1880 kg)
Ag front tire:7-14
Height (ROPS):80.7 inches (204 cm)
Max rear axle:2216 lbs (1005 kg)
Max front axle:1929 lbs (874 kg)
Ground clearance:10 inches (25 cm)
Lawn/turf rear tire:36x13.50-15
Gear Shipping weight:2370 lbs (1075 kg)
Industrial rear tire:12.50/80-18
Lawn/turf front tire:24x8.50-14
Hydro Shipping weight:2423 lbs (1099 kg)
Industrial front tire:25x8.50-14
Rear axle flange length:37.4 inch (949 mm)
Front axle flange length:39.34 inch (999 mm)

Power Take-off (PTO)

Gear Clutch:dry disc
Gear Mid PTO:live
Hydro Clutch:electro-hydraulic wet disc
Mid PTO Type:2000 (1.00)
Gear Rear PTO:live
Hydro Mid PTO:independent
Rear PTO Type:540 (1.375)
Hydro Rear PTO:independent

Related Models

Challenger MT225B

Model:MT225B

Challenger MT255B

Model:MT255B

Challenger MT265B

Model:MT265B

Challenger MT255

Model:MT255