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
![]() | 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 | |
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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 | |
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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 | |
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![]() | |
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. | |
![]() | |
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
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