Home / Challenger / MT425B

Challenger MT425B Specs ( 2004-2010 )

Name: Challenger MT425B
Brand: Challenger

Compare Tractor

[ NO IMAGE AVAILABLE ]

Nebraska Test #OECD 2532

Challenger MT425B

Max Drawbar HP 67.5 hp

Max Pull 8,005 lbs

View Full Test Data →

Overview

The Challenger MT425B is a utility farm tractor manufactured in Beauvais, France, between 2004 and 2010. It is powered by a 4.4L 4-cylinder diesel engine and features an Autopower IV transmission with 16 forward and reverse gears. Available in both 2WD and 4WD configurations, the machine utilizes a Category II rear hitch and a 540/1000 RPM rear PTO.

Ideal Applications

Tested Power and Efficiency: According to Nebraska Tractor Test data, this model achieved a maximum tested PTO output of 81.1 hp and a maximum drawbar pull of 8,005 lbs.

Transmission and Drive System: The tractor is equipped with a 16-speed power shift transmission featuring four gears in four ranges and a wet disc clutch for managing power delivery.

Chassis and Weight Specifications: The unit's operating weight ranges from 8,885 lbs in the 2WD configuration to 9,515 lbs for the 4WD model, supported by 18.4R34 rear tires.

Production

Description	Utility tractor / Built in Beauvais, France / The Challenger MT425B is similar to the Massey Ferguson 5435
Manufacturer	Challenger (a part of AGCO)

Engine

Engine type	Caterpillar 4.4L 4-cyl diesel
Air cleaner	dual paper elements
Bore/Stroke	4.134x5.00 inches (105 x 127 mm)
Compression	19.3:1
Description	Caterpillar 3054 / diesel / 4-cylinder / liquid-cooled vertical / This engine was alternatively branded as a Perkins 1104C depending on market.
Displacement	268 ci (4.4 L)
Emissions	Tier 2
Fuel system	direct injection
Power	75 hp (55.9 kW)
Rated RPM	2200
Starter volts	12
Drawbar (tested)	48.5 hp (36.2 kW)
PTO (claimed)	60 hp (44.7 kW)
PTO (tested)	61.7 hp (46.0 kW)

Transmission

Clutch	wet disc
Description	Four power shift gears in four ranges.
Gears	16 forward and reverse
Transmission	Autopower IV
Transmission type	16-speed four speed power shift
Type	four speed power shift

Mechanical

Cab	Cab optional.
Description	Power steering / Hydraulic wet disc brakes
Drive type	Two- or four-wheel drive

Hitch

Rear Type	II

PTO

Rear PTO Type	540/1000

Electrical

Battery volts	12
Ground	negative

Dimensions & Tires

Ag front	7.50-16 (2WD)
Ag rear	18.4R34
2WD Weight	8885 lbs (4030 kg)
4WD Weight	9515 lbs (4316 kg)
Front tire	7.50-16
Rear tire	18.4R34
Weight	8885 to 9515 pounds

OCED Tractor Test 2275

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

References

Description	Challenger MT400B Product Information Guide published in 2003, by AGCO / Challenger MT400B Series published in 2004, by AGCO

Speeds

Description	With 18.4R38 rear tires.

Nebraska Tractor Test Results

Test #OECD 2532

Download PDF

Test Date: June, 2009

Location: Groupement d'Antony, Parc de Touvoie, BP 44 Antony, Cedex, France 92163

This section is compiled from original Nebraska Tractor Test PDFs using AI-assisted extraction and human review. For full verification, download the source PDF above. Differences between reports, incomplete source data, and occasional extraction or data entry mistakes can occur.

PTO Drawbar Hydraulics Technical Sound Tires & Weight

Maximum Power & Fuel Consumption

Max Power (1 Hour)

81.10 hp

@ 2000 rpm

Rated Engine Speed

76.70 hp

N/A lb/hp·hr

Standard PTO Speed

81.10 hp

@ N/A rpm PTO

Torque Statistics

Maximum Torque	276.7 lb-ft (375.1 Nm) at 1200 rpm
Torque Rise	0.511%

PTO Power Curve

Maximum Power & Fuel Consumption Details

Condition	HP	kW	RPM	Fuel gal/hr	Fuel L/hr
Maximum Power (1 Hour)	81.10	60.50	2000	4.76	18.02

Varying Power & Fuel Consumption

Click column headers to sort

Power	RPM	gal/hr	lb/hp·hr	hp·hr/gal	DEF gal/hr
76.70	2200	4.92	0.46	15.58	N/A
67.20	2273	4.43	0.47	15.18	N/A
51.10	2294	3.63	0.51	14.06	N/A
33.90	2311	2.96	0.62	11.46	N/A
17.30	2330	2.11	0.87	8.18	N/A
N/A	2345	1.47	N/A	N/A	N/A

Fuel Consumption Characteristics (Unballasted) Front Drive Engaged

Click column headers to sort

Power	kW	Pull (lbs)	Pull (kN)	Speed	RPM	Slip	Air °F	Cool °F	Barometer Inch Hg	Condition	Fuel Consumption Kg Kw Hr	Fuel Consumption Lb Hp Hr	Fuel Efficiency Hp Hr Gal	Fuel Efficiency Kw H L	Speed Km H
64.00	47.70	4,050	18.00	5.92	2199	4.20	77	189	30.10	Maximum Power—9th(3A) Gear	0.32	0.53	13.39	2.64	9.53
49.30	36.80	3,010	13.40	6.15	2259	3.40	77	185	30.10	75% of Pull at Maximum Power—9th(3A) Gear	0.35	0.58	12.26	2.41	9.89
33.80	25.20	2,015	9.00	6.29	2286	2.20	77	185	30.10	50% of Pull at Maximum Power—9th(3A) Gear	0.44	0.72	9.86	1.94	10.12
49.30	36.80	3,030	13.50	6.10	1833	3.80	77	185	30.10	75% of Pull at Reduced Engine Speed—10th(3B) Gear	0.29	0.48	14.77	2.91	9.82
34.90	26.00	2,075	9.20	6.30	1868	2.60	77	185	30.10	50% of Pull at Reduced Engine Speed—10th(3B) Gear	0.35	0.57	12.44	2.45	10.14

Maximum Power In Selected Gears (Unballasted) Front Drive Disengaged

Click column headers to sort

Gear	Power	kW	Pull (lbs)	Pull (kN)	Speed	Slip	hp·hr/gal	lb/hp·hr	kg/kW·hr	Barometer Inch Hg	Crankshaft RPM	Kw H L	Speed Km H	Temp Air F	Temp Cool F
4th(1D)Gear	34.60	25.80	6,405	28.50	2.03	15.50	9.41	0.76	0.46	30.10	2272	1.85	3.26	66	187
5th(2A)Gear	44.70	33.30	6,285	28.00	2.67	12.70	10.91	0.65	0.40	30.10	2250	2.15	4.29	66	187
6th(2B)Gear	54.30	40.50	6,245	27.80	3.26	11.80	11.85	0.60	0.36	30.10	2207	2.33	5.25	66	189
7th(2C)Gear	61.80	46.10	6,060	27.00	3.83	10.50	12.74	0.56	0.34	30.10	2095	2.51	6.16	66	189
8th(2D)Gear	64.60	48.20	5,220	23.20	4.64	7.80	13.56	0.52	0.32	30.10	1999	2.67	7.47	66	187
9th(3A)Gear	66.40	49.50	4,810	21.40	5.18	6.40	13.40	0.53	0.32	30.10	2001	2.64	8.33	66	187
10th(3B)Gear	63.80	47.60	3,695	16.40	6.48	5.30	13.56	0.52	0.32	30.10	2004	2.67	10.43	66	187
11th(3C)Gear	65.00	48.50	3,075	13.70	7.93	4.30	13.30	0.53	0.33	30.10	2000	2.62	12.76	66	189
12th(4D)Gear	64.40	48.00	2,455	10.90	9.83	3.90	13.55	0.52	0.32	30.10	2004	2.67	15.82	66	189

Maximum Power In Selected Gears (Unballasted) Front Drive Engaged

Click column headers to sort

Gear	Power	kW	Pull (lbs)	Pull (kN)	Speed	Slip	hp·hr/gal	lb/hp·hr	kg/kW·hr	Barometer Inch Hg	Crankshaft RPM	Kw H L	Speed Km H	Temp Air F	Temp Cool F
4th(1D)Gear	43.60	32.50	8,005	35.60	2.04	14.80	10.25	0.69	0.42	30.10	2243	2.02	3.28	70	187
5th(2A)Gear	55.30	41.20	7,800	34.70	2.66	11.50	11.83	0.60	0.37	30.10	2191	2.33	4.28	70	187
6th(2B)Gear	62.10	46.30	7,180	31.90	3.24	9.30	12.89	0.55	0.34	30.10	2105	2.54	5.22	70	189
7th(2C)Gear	65.70	49.00	6,450	28.70	3.82	7.40	13.71	0.52	0.32	30.10	2001	2.70	6.14	70	190
8th(2D)Gear	65.60	48.90	5,105	22.70	4.82	6.10	13.71	0.52	0.32	30.10	2001	2.70	7.75	70	189
9th(3A)Gear	67.50	50.30	4,765	21.20	5.31	5.30	14.09	0.50	0.31	30.10	1994	2.77	8.55	72	187
10th(3B)Gear	66.60	49.70	3,775	16.80	6.62	5.00	13.96	0.51	0.31	30.10	2007	2.75	10.66	72	187
11th(3C)Gear	64.90	48.40	3,000	13.30	8.12	4.50	13.45	0.53	0.32	30.10	2006	2.65	13.06	72	187
12th(3D)Gear	64.10	47.80	2,445	10.90	9.83	5.10	13.50	0.53	0.32	30.10	2000	2.66	15.81	72	189

Engine

Make	Perkins Diesel
Type	four cylinder vertical with turbocharger and air to air intercooler
Displacement	268 cu in (4400 ml)
Compression Ratio	18.2 to 1
Rated Engine Speed	2200 rpm
Air Cleaner	two paper elements
Exhaust	vertical
Crankshaft	lengthwise

Chassis

Type	front wheel assist
Steering	hydrostatic
Transmission	selective gear fixed ratio with partial (4) range operator controlled powershift
Speeds	16 forward (25.31 mph max)
Wheelbase	100.50 in (2552 mm)
Front Tread Width	52.4 to 85.6 in
Rear Tread Width	53.4 to 84.4 in
Brakes	multiple wet disc hydraulically operated by two foot pedals that can be locked together
Hydraulic Control	direct engine drive
Unladen Tractor Mass	9,445 lbs ( 4,285 kg )

Consumables

Fuel	No. 2 Diesel
DEF Fluid	N/A

Tires & Tracks

Rear Tires	Two 18.4R34; **; 14(95)
Front Tires	Two 14.9R24; **; 15(100)
Height of Drawbar	19.70 in (500 mm)

Static Weight

Rear	5,885 lbs
Front	3,725 lbs
Total	9,610 lbs

Challenger MT425B Specs ( 2004-2010 )

Overview

Ideal Applications

Production

Engine

Transmission

Mechanical

Hitch

PTO

Electrical

Dimensions & Tires

OCED Tractor Test 2275

References

Speeds

Nebraska Tractor Test Results

PTO Performance

Maximum Power & Fuel Consumption

Torque Statistics

PTO Power Curve

Maximum Power & Fuel Consumption Details

Varying Power & Fuel Consumption

Drawbar Performance

Fuel Consumption Characteristics (Unballasted) Front Drive Engaged

Maximum Power In Selected Gears (Unballasted) Front Drive Disengaged

Maximum Power In Selected Gears (Unballasted) Front Drive Engaged

Hydraulic Performance

Technical Specifications

Engine

Chassis

Consumables

Sound Levels

Sound Levels

At No Load In 7th 2c Gear

Tires & Weight

Tires & Tracks

Static Weight

Test Remarks