Challenger MT425B

The Challenger MT425B is a tractor produced by Challenger. It is equipped with a 268 ci 4.4 L engine. The rated power output is 75 hp 55.9 kW. Transmission: Autopower IV. Operating weight: 8885 to 9515 pounds.

Engine Power
75 hp 55.9 kW
Fuel & Capacities
Diesel
Transmission
Autopower IV
Operating Weight
8885 to 9515 pounds

Challenger MT425B Serial Number & Year Decoder

Find the exact manufacture year of your tractor by checking your chassis serial number below.

Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.

Overview

Challenger MT425B tractor photo
2004 - 2010 Model year 2004-20072008-2010 MT400B SeriesUtility tractor
2004 - 2010
Model year 2004-20072008-2010
MT400B Series
Utility tractor
Production
Manufacturer
Challenger (a part of AGCO)
Utility tractor
Built in Beauvais, France
The Challenger MT425B is similar to the Massey Ferguson 5435
Challenger MT425B Engine
Caterpillar 4.4L 4-cyl diesel
Engine details ...
Challenger MT425B Transmission
16-speed four speed power shift
Transmission details ...
Challenger MT425B Power
Engine
75 hp 55.9 kW
PTO (claimed)
60 hp 44.7 kW
Drawbar (tested)
48.5 hp 36.2 kW
PTO (tested)
61.7 hp 46.0 kW
Performance test details ...
Mechanical
Two- or four-wheel drive
Power steering
Hydraulic wet disc brakes
Cab optional.
Tractor hitch
Rear Type
II
Power Take-off (PTO)
Rear PTO Type
540/1000
Dimensions & Tires
Weight
8885 to 9515 pounds
Front tire
7.50-16
Rear tire
18.4R34
Full dimensions and tires ...
Electrical
Ground
negative
Battery volts
12
References
MT425B references literature
Challenger MT400B Product Information Guide published in 2003, by AGCO
Challenger MT400B Series published in 2004, by AGCO

Engine

Engine Detail — 268 ci / 4.4 L Diesel

Manufacturer
Caterpillar 3054
Fuel Type
Diesel
Configuration
4-cylinder, liquid-cooled vertical
This engine was alternatively branded as a Perkins 1104C depending on market.
Displacement
268 ci 4.4 L
Bore/Stroke
4.134x5.00 inches 105 x 127 mm
Emissions
Tier 2
Power
75 hp 55.9 kW
Fuel system
direct injection
Air cleaner
dual paper elements
Compression
19.3:1
Rated RPM
2200
Starter volts
12

Transmission

Transmission — Autopower IV

Transmission
Autopower IV
Type
four speed power shift
Gears
16 forward and reverse
Clutch
wet disc
Four power shift gears in four ranges.
With 18.4R38 rear tires.
MT425B Autopower IV four speed power shift speeds

Dimensions

Challenger MT425B Tires
Ag front
7.50-16 (2WD)
14.9R24 (4WD)
Ag rear
18.4R34
Dimensions
2WD Weight
8885 lbs 4030 kg
4WD Weight
9515 lbs 4316 kg

Tests

OCED Tractor Test 2275
Diesel 16-speed 4WD January 2005 - February 2005, Link: OCED Tractor Test 2275 file
PTO performance
Max power
61.7 hp 46.0 kW
Fuel use
4.0 gal/hour 15.1 l/hour
Power at rated engine speed
61.0 hp 45.5 kW
Fuel use
4.0 gal/hour 15.1 l/hour
Power at rated PTO speed
59.7 hp 44.5 kW
Fuel use
3.7 gal/hour 14.0 l/hour
Drawbar performance
Max power
48.5 hp 36.2 kW
Fuel use
3.9 gal/hour 14.8 l/hour
Gear 3TC used for power test.
Max pull
8385 lbs 3803 kg
Gear 2TC used for pull test.

Photos

Challenger MT425B tractor photo

Challenger MT425B tractor photo