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Challenger MT665 Specs ( 2002-2003 )

Name: Challenger MT665
Brand: Challenger

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Nebraska Test #OECD 1869

Challenger MT 665

Max Drawbar HP 195.4 hp

Max Pull 20,925 lbs

Tested: July 01, 2003

View Full Test Data →

Overview

The Challenger MT665 is a four-wheel-drive row-crop tractor manufactured in Beauvais, France, between 2002 and 2003. It is powered by an 8.4L Sisu six-cylinder turbocharged aftercooled diesel engine paired with an 18-speed power shift transmission. Key performance metrics include a tested maximum PTO output of 239.4 hp and a rear lift capacity of 19,700 lbs.

Ideal Applications

Tested Power and Pulling Capacity: According to Nebraska and OCED testing, the MT665 recorded a maximum PTO output of 239.4 hp and a maximum drawbar pull of 20,925 lbs.

Transmission and Hydraulic Configuration: The tractor is equipped with an 18-speed power shift transmission and a closed-center pressure flow compensated hydraulic system delivering 29 gpm through four valves.

Chassis and Hitch Specifications: The machine features a 121-inch wheelbase, a shipping weight of 21,500 lbs, and a Category III rear hitch rated for 19,700 lbs of lift at 24 inches.

Production

Description	Row-Crop tractor / Built in Beauvais, France / The Challenger MT665 is similar to the Massey Ferguson 8280.
Manufacturer	Challenger (a part of AGCO)

Engine

Engine type	Sisu 8.4L 6-cyl diesel
Fuel tank	120 gal (454.2 L)
Air cleaner	dual paper elements
Bore/Stroke	4.370x5.709 inches (111 x 145 mm)
Compression	16.0:1
Description	Sisu / turbocharged aftercooled diesel / 6-cylinder / liquid-cooled vertical
Displacement	513 ci (8.4 L)
Rated RPM	2200
Starter volts	12
Drawbar (tested)	183 hp (136.5 kW)
PTO (claimed)	225 hp (167.8 kW)
PTO (tested)	239.4 hp (178.5 kW)

Transmission

Clutch	electro-hydraulic wet disc
Gears	18 forward and 6 reverse
Transmission type	18-speed power shift
Type	power shift

Mechanical

Cab	Cab standard with air-conditioning.
Description	Power steering / Hydraulic wet disc brakes
Drive type	Four-wheel drive

Hydraulics

Pressure	2900 psi (200.0 bar)
Total flow	29 gpm (109.8 lpm)
Type	closed center pressure flow compensated (PFC)
Valves	4

Hitch

Rear lift (at 24"/610mm)	19700 lbs (8935 kg)
Rear Type	III

PTO

Engine RPM	1000@2091
Rear PTO	independent
Rear PTO Type	1000

Electrical

Battery volts	12
Charging system	alternator
Ground	negative

Dimensions & Tires

Ag front	600/70R28
Ag rear	650/85R38
Height (cab)	121 inches (307 cm)
Length	203 inches (515 cm)
Shipping weight	21500 lbs (9752 kg)
Wheelbase	121 inches (307 cm)
Width	98.2 inches*Minimum width (249 cm)
Front tire	600/70R28
Rear tire	650/85R38
Weight	21500 lbs (9752 kg)
Wheelbase	121 inches (307 cm)

OCED Tractor Test 1869

Description	Diesel 18-speed 4WDJanuary 1998 - July 1999, Link: OCED Tractor Test 1869 file / PTO performance / Drawbar performance / Gear 8 used for power test. / Gear 6 used for pull test.
Fuel use	13.7 gal/hour (51.9 l/hour) / 14.4 gal/hour (54.5 l/hour) / 14.1 gal/hour (53.4 l/hour) / 14.6 gal/hour (55.3 l/hour)
Max power	239.4 hp (178.5 kW) / 183 hp (136.5 kW)
Max pull	20925 lbs (9491 kg)
Power at rated engine speed	226.5 hp (168.9 kW)
Power at rated PTO speed	231.3 hp (172.5 kW)

References

Description	Challenger MT500/MT600 published in 2002, by AGCO

Nebraska Tractor Test Results

Test #OECD 1869

Download PDF

Test Date: January 1998 - July 1999

Location: DLG Testing station for Agricultural Equipment, Max - Eyth - Weg 1 D-64823, Gros-Umstadt, Germany

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

Rated Engine Speed

226.50 hp

0.44 lb/hp·hr

Standard PTO Speed

231.30 hp

@ 999 rpm PTO

Torque Statistics

Maximum Torque	801 lb-ft (1,086 Nm)
Torque Rise	48.1%
At Engine RPM	1306 rpm

PTO Power Curve

Maximum Power & Fuel Consumption Details

Condition	HP	kW	RPM	PTO RPM
Rated Engine Speed	226.50	168.90	2200	1053
Standard PTO Speed (1000 rpm)	231.30	172.50	2087	999

Varying Power & Fuel Consumption

Click column headers to sort

Power	RPM	gal/hr	lb/hp·hr	hp·hr/gal	DEF gal/hr
226.50	2200	14.43	0.44	15.69	N/A
196.60	2246	13.09	0.46	15.02	N/A
150.50	2292	10.79	0.50	13.95	N/A
102.20	2330	8.31	0.56	12.30	N/A
51.60	2363	6.01	0.80	8.59	N/A
N/A	2395	4.00	N/A	N/A	N/A

Fuel Consumption Characteristics

Click column headers to sort

Condition	Power	kW	Pull (lbs)	Pull (kN)	Speed	Slip	Air °F	Air °C	Cool °F	Cool °C	inHg	kPa
Maximum Power—8th Gear	183.00	136.50	15,235	68	4.51	5.50	43	6	181	82	29.40	99.50
75% of Pull at Maximum Power—8th Gear	143.20	106.80	11,385	51	4.72	3.90	45	7	174	78	29.40	99.50
50% of Pull at Maximum Power—8th Gear	97.60	72.80	7,525	33	4.87	2.70	43	6	165	73	29.40	99.50
75% of Pull at Reduced Engine Speed—9th ...	143.40	106.90	11,445	51	4.70	3.80	46	8	172	76	29.40	99.50
50% of Pull at Reduced Engine Speed—9th ...	98.00	73.10	7,550	34	4.87	2.60	50	10	167	73	29.40	99.50

Maximum Power In Selected Gears

Click column headers to sort

Gear	Power	kW	Pull (lbs)	Pull (kN)	Speed	Slip	Air °F	Air °C	Cool °F	Cool °C	inHg	kPa	Engine RPM	Fuel Hp Hr Gal	Fuel Kg Kw H	Fuel Kw H L	Fuel Lb Hp Hr	Speed Km H
6th Gear	178.60	133.20	20,925	93.08	3.20	11.00	43	6	171	77	29.10	98.50	2162	12.27	0.35	2.42	0.57	5.15
7th Gear	187.70	140.00	20,605	91.65	3.42	9.60	39	4	176	80	29.10	98.50	2002	13.35	0.32	2.63	0.52	5.50
8th Gear	190.30	141.90	18,825	83.74	3.79	8.30	41	5	181	83	29.10	98.50	1900	13.86	0.31	2.73	0.51	6.10
9th Gear	193.80	144.50	16,530	73.53	4.39	6.60	43	6	181	83	29.10	98.50	1903	14.11	0.30	2.78	0.50	7.03
10th Gear	194.30	144.90	14,515	64.57	5.02	5.60	41	5	181	83	29.10	98.50	1905	14.16	0.30	2.79	0.49	8.08
11th Gear	190.40	142.00	12,410	55.20	5.75	4.80	45	7	181	83	29.10	98.50	1903	13.91	0.31	2.74	0.50	9.26
12th Gear	195.40	145.70	11,080	49.29	6.61	3.90	66	19	183	84	29.10	98.50	1903	14.25	0.30	2.81	0.49	10.64
13th Gear	192.60	143.60	9,615	42.77	7.51	3.60	52	11	180	82	29.10	98.50	1905	14.06	0.30	2.77	0.50	12.09
14th Gear	189.50	141.30	8,250	36.70	8.61	3.10	49	9	180	82	29.10	98.50	1907	13.81	0.31	2.72	0.51	13.86

Engine

Make	Sisu/Valmet Diesel
Type	six cylinder vertical with turbocharger and intercooler
Displacement	513 cu in (8419 ml)
Bore & Stroke	4.37 x 5.71 in (111.00 x 145.00 mm)
Compression Ratio	16.0
Rated Engine Speed	2200 rpm
Air Cleaner	two paper elements and aspirator
Crankshaft	lengthwise

Chassis

Type	front wheel assist
Steering	hydrostatic
Transmission	selective gear fixed ratio with full range operator controlled powershift
Speeds	18 forward (24.71 mph max)
Wheelbase	121.10 in (3075 mm)
Brakes	multiple wet disc hydraulically operated by two foot pedals that can be locked together
Hydraulic Control	direct engine drive
Unladen Tractor Mass	9,770 kg

Consumables

Fuel	No. 2 Diesel
DEF Fluid	N/A
Engine Oil	SAE 10W40 API service classification Mil-L-2104D

Sound Levels

At No Load In 8th Gear	77.00 dB(A)

Tires & Tracks

Rear Tires	Two 650/85R38; **; 12(80) psi(kPa)
Front Tires	Two 600/70R28; **; 12(80) psi(kPa)
Height of Drawbar	23.60 in (600 mm)
Ballast	Tested without ballast

Static Weight

Rear	12,865 lbs
Front	8,840 lbs
Total	21,705 lbs

Challenger MT665 Specs ( 2002-2003 )

Overview

Ideal Applications

Production

Engine

Transmission

Mechanical

Hydraulics

Hitch

PTO

Electrical

Dimensions & Tires

OCED Tractor Test 1869

References

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

Maximum Power In Selected Gears

Hydraulic Performance

Technical Specifications

Engine

Chassis

Consumables

Sound Levels

Sound Levels

Tires & Weight

Tires & Tracks

Static Weight

Test Remarks