Diesel 12-speed shuttle 4WD March 1 - May 1, 1998 Link: OCED Tractor Test 1779 file PTO performance Drawbar performance Gear 1M used for power test Gear 1L used for pull test
Max power
42.5hp / 31.7kW
Fuel use
3.6gal/hour / 13.6l/hour
Power at rated engine speed
54.8hp / 40.9kW
Power at rated PTO speed
53.4hp / 39.8kW
Max pull
7,680lbs / 3483kg
CHALLENGER MT425 POWER
PTO (claimed)
55hp / 41.0kW
Drawbar (tested)
42.5hp / 31.7kW
PTO (tested)
55.4hp / 41.3kW
ENGINE DETAIL
Description
Perkins 3054 diesel 4-cylinder liquid-cooled
Displacement
243ci / 4.0L
Bore/Stroke
3.937x5.00inches / 100x 127mm
Air cleaner
dual paper elements
Pre-heating
thermostart
Compression
17.3:1
Rated RPM
2200
Starter volts
12
CHALLENGER MT425 ENGINE
Description
Perkins 4.0L 4-cyl diesel
ROPS Fuel tank
29.1gal / 110.1L
Cab Fuel tank
34gal / 128.7L
TRANSMISSIONS OVERVIEW
Description
24-speed power shuttle 12-speed syncromesh 12-speed mechanical shuttle
TRANSMISSION 1
Type
power shuttle
Gears
24 forward and reverse
Clutch
wet disc
TRANSMISSION 2
Type
syncromesh
Gears
12 forward and 4 reverse
TRANSMISSION 3
Type
mechanical shuttle
Gears
12 forward and reverse
MECHANICAL
Chassis
4x2 2WD/4x4 MFWD 4WD
Steering
power
Brakes
hydraulic wet disc
Cab
Two-post folding ROPS. Cab available with air-conditioning
Transmissions
24-speed power shuttle 12-speed syncromesh 12-speed mechanical shuttle
HYDRAULICS
Type
open center
Pressure
3046psi / 210.0bar
Valves
2 to 4
SCV flow
10gpm / 37.9lpm
Total flow
25gpm / 94.6lpm
TRACTOR HITCH
Rear Type
II
Control
electronic draft control
Rear lift (at 24
4100lbs / 1859kg 6200lbs / 2812kg
POWER TAKE-OFF (PTO)
Rear PTO
independent
Rear RPM
540/1000
CHALLENGER MT425 TIRES
Ag front
360/70R24
Ag rear
18.4R30
DIMENSIONS
Wheelbase
93inches / 236cm
2WD Length
158inches / 401cm
4WD Length
161inches / 408cm
Width
77inches / 195cm
Height (ROPS)
103inches / 261cm
Height (cab)
96inches / 243cm
CHALLENGER MT425 WEIGHT
2WD ROPS
6182lbs / 2804kg
4WD ROPS
6520lbs / 2957kg
2WD Cab
6935lbs / 3145kg
4WD Cab
7487lbs / 3396kg
DIMENSIONS & TIRES
Wheelbase
93inches / 236cm
Weight
6182 to 7487 pounds
Front tire
360/70R24
Rear tire
18.4R30
ELECTRICAL
Ground
negative
Charging system
alternator
Battery volts
12
About Challenger Tractor
The MT425 model tractor is part of Challenger's 9R line of tractors. The MT425 is a Utility Tractors type, which is used mostly in Agriculture Tractors. A engine runs the MT425 tractor. This arrangement optimizes real-world usability.