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.
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 time4.8s Dump angle51° Lower time4s Raise time6s Bucket width48 inches (121 cm) Reach dumped22 inches (55 cm) Reach ground51 inches (129 cm) Height at pin74 inches (187 cm) Rollback time4.3s Rollback angle23° Breakout at pin1854 lbs (840 kg) Clearance dumped53.9 inches (136 cm) Lift full at pin875 lbs (396 kg) Lift 1.5m at 500mm741 lbs (336 kg) Lift full at 500mm624 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) |
