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Challenger MT225B

The Challenger MT225B is a compact utility tractor built by Iseki for Challenger (a part of AGCO) from 2005 to 2008. It features a 1.1L 3-cylinder liquid-cooled diesel engine producing 22.5 hp gross and 22 hp net, with a hydrostatic transmission offering infinite forward and reverse speeds in 2 ranges. The tractor has four-wheel drive with spur gear final drives, mechanical rear differential lock, hydrostatic power steering, and wet disc brakes. It includes a two-post fixed ROPS for operator safety. The MT225B has a fuel capacity of 6.6 gallons and an open center hydraulic system with 1990 psi pressure and optional rear and mid valves. The rear hitch is type I with position and response control, and the PTO includes independent rear and standard mid PTO shafts. Dimensions include a 59.8 inch wheelbase, 102 inch length, and 39.4 inch minimum width. The tractor weighs 1609 lbs with a max capacity of 3086 lbs. Electrical system is 12 volts with a 40 amp alternator. Attachments include a front-end loader ML10B with detailed lift and reach specifications.
Challenger MT225Btractorcompact utilityIseki22.5 hphydrostatic transmission4WDloaderspecifications
Power22 hp
Founded2005 - 2008
ModelMT225B

Technical Specifications

Detailed specifications and technical data for Challenger MT225B

Power

Engine (net):22 hp (16.4 kW)
PTO (claimed):17.6 hp (13.1 kW)
Engine (gross):22.5 hp (16.8 kW)

Engine

Type:diesel
Model:Iseki E3312
Cooling:liquid-cooled
Idle RPM:1250-2860
Cylinders:3-cylinder
Rated RPM:2600
Air cleaner:dry
Bore/Stroke:3.08x3.07 inches (78 x 78 mm)
Compression:22.5:1
Fuel system:indirect injection
Power (net):22 hp (16.4 kW)
Pre-heating:glow plugs
Displacement:68.5 ci (1.1 L)
Oil capacity:2.9 qts (2.7 L)
Power (gross):22.5 hp (16.8 kW)
Starter volts:12
Coolant capacity:7.5 qts (7.1 L)

Weight

Weight:1609 lbs (729 kg)
Max capacity:3086 lbs (1399 kg)
Max rear axle:1653 lbs (749 kg)
Max front axle:1433 lbs (650 kg)

Capacity

Fuel:6.6 gal (25.0 L)
Front diff.:2.9 qts (2.7 L)

Electrical

Ground:negative
Battery CCA:435
Battery volts:12
Charging amps:40
Charging system:alternator

Hydraulics

Type:open center
Pressure:1990 psi (137.2 bar)
Pump flow:5.5 gpm (20.8 lpm)
Mid valves:2 Optional
Total flow:8.1 gpm (30.7 lpm)
Rear valves:2 Optional
Steering flow:2.64 gpm (10.0 lpm)
Steering press.:1493 psi (102.9 bar)

Mechanical

ROPS:Two-post fixed ROPS
Drive:Four-wheel drive
Brakes:Wet disc brakes
Steering:hydrostatic power
Final drives:spur gear
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

Loader:front-end loader

ML10B Loader

Dump time:4.8s
Dump angle:51°
Lower time:4s
Raise time:6s
Bucket width:48 inches (121 cm)
Reach dumped:22 inches (55 cm)
Reach ground:51 inches (129 cm)
Height at pin:74 inches (187 cm)
Rollback time:4.3s
Rollback angle:23°
Breakout at pin:1854 lbs (840 kg)
Clearance dumped:53.9 inches (136 cm)
Lift full at pin:875 lbs (396 kg)
Lift 1.5m at 500mm:741 lbs (336 kg)
Lift full at 500mm:624 lbs (283 kg)

Transmission

Type:hydrostatic
Gears:infinite forward and reverse (2-range)
Oil capacity:14.8 qts (14.0 L)

Tractor hitch

Control:position and response control
Rear Arms:fixed link ends
Rear Type:I
Rear lift (at ends):1190 lbs (539 kg)
Rear lift (at 24"/610mm):591 lbs (268 kg)

Dimensions & Tires

Width:39.4 inches Minimum width. (100 cm)
Length:102 inches (259 cm)
Ag rear:9.5-16
Ag front:6-12
Rear tire:9.5-16
Wheelbase:59.8 inches (151 cm)
Front axle:Flange: 34.58 inch length (878 mm)
Front tire:6-12
Rear tread:35.6 inches (90 cm)
Front tread:35.6 inches (90 cm)
Height (ROPS):77 inches (195 cm)
Lawn/turf rear:33x12.50-16.5
Industrial rear:12x16.5
Lawn/turf front:23x10.50-12
Flange rear axle:33.62 inch length (853 mm)
Ground clearance:10.4 inches (26 cm)
Industrial front:23x8.50-12

Power Take-off (PTO)

Clutch:electro-hydraulic wet disc
Mid PTO:standard
Rear PTO:independent
Mid PTO Type:2000 (1.00)
Rear PTO Type:540 (1.375)

Related Models

Challenger MT225

Model:MT225

Challenger MT255B

Model:MT255B