Challenger
Challenger MT425
The Challenger MT425 is a utility tractor from the MT400 Series produced from 2002 to 2004 by Challenger, a part of AGCO. It features a Perkins 4.0L 4-cylinder liquid-cooled diesel engine delivering approximately 55 hp PTO power. The tractor offers multiple transmission options including a 24-speed power shuttle, 12-speed syncromesh, and 12-speed mechanical shuttle. It is available in two- or four-wheel drive configurations with power steering and hydraulic wet disc brakes. The MT425 includes a two-post folding ROPS with an optional air-conditioned cab. Hydraulics are open center type with up to 4 valves and a total flow of 25 gpm. The tractor hitch is category II with electronic draft control and a rear lift capacity of 4100 lbs standard, with an optional 6200 lbs lift. Rear PTO is independent with 540/1000 rpm options. The MT425 was built in England and shares similarities with Massey Ferguson models 4225 and 4325.
Power61 hp[P]
Founded2002 - 2004
ModelMT425
Technical Specifications
Detailed specifications and technical data for Challenger MT425
Power
| PTO (tested) | 55.4 hp (41.3 kW) |
|---|---|
| PTO (claimed) | 55 hp (41.0 kW) |
| Drawbar (tested) | 42.5 hp (31.7 kW) |
Tires
| Ag rear | 18.4R30 |
|---|---|
| Ag front | 360/70R24 |
Engine
| Type | diesel |
|---|---|
| Model | Perkins 3054 |
| Cooling | liquid-cooled |
| Cylinders | 4-cylinder |
| Rated RPM | 2200 |
| Air cleaner | dual paper elements |
| Bore/Stroke | 3.937x5.00 inches (100 x 127 mm) |
| Pre-heating | thermostart |
| Displacement | 243 ci (4.0 L) |
| Starter volts | 12 |
| Compression ratio | 17.3:1 |
Weight
| 2WD Cab | 6935 lbs (3145 kg) |
|---|---|
| 4WD Cab | 7487 lbs (3396 kg) |
| 2WD ROPS | 6182 lbs (2804 kg) |
| 4WD ROPS | 6520 lbs (2957 kg) |
Variants
| 4225 | similar Massey Ferguson model |
|---|---|
| 4325 | similar Massey Ferguson model |
Dimensions
| Width | 77 inches (195 cm) |
|---|---|
| Wheelbase | 93 inches (236 cm) |
| 2WD Length | 158 inches (401 cm) |
| 4WD Length | 161 inches (408 cm) |
| Height (cab) | 96 inches (243 cm) |
| Height (ROPS) | 103 inches (261 cm) |
| Height (Folded ROPS) | 78 inches (198 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 2 to 4 |
| Pressure | 3046 psi (210.0 bar) |
| SCV flow | 10 gpm (37.9 lpm) |
| Total flow | 25 gpm (94.6 lpm) |
Mechanical
| ROPS | Two-post folding ROPS. Cab available with air-conditioning. |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Hydraulic wet disc brakes |
| Steering | Power steering |
Production
| Type | Utility tractor |
|---|---|
| Series | MT400 Series |
| Built in | England |
| Years produced | 2002 - 2004 |
Transmission
| Options | 24-speed power shuttle, 12-speed syncromesh, 12-speed mechanical shuttle |
|---|---|
| Syncromesh | Typesyncromesh Gears12 forward and 4 reverse |
| Power shuttle | Typepower shuttle Gears24 forward and reverse Clutchwet disc |
| Mechanical shuttle | Typemechanical shuttle Gears12 forward and reverse |
Tractor hitch
| Control | electronic draft control |
|---|---|
| Rear Type | II |
| Optional lift | 6200 lbs (2812 kg) |
| Rear lift (at 24"/610mm) | 4100 lbs (1859 kg) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540/1000 |