Challenger MT665B 2WD
Series: Other models
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The Challenger MT665B is a tractor made by Challenger. 180 kW is what the six-cylinder engine gets out of 8.4 litres. Rated power is reached at 2,200 rpm.
Drive type: MFWD. Top speed is 40 km/h. It is 3 m wide. Unladen weight is 8,868 kg.
The fuel specified is diesel. The predecessor was the Challenger MT665, the successor the Challenger MT665C. Within the range, rated power spans from 16.8 to 470 kW; with 180 kW, the MT665B sits in the mid-field. Directly alongside are the MT755 with 175 kW below and the MT755B with 183 kW above.
Technical data
Engine
| Engine make | Challenger Endurance/Sisucorrect |
|---|---|
| Engine model | Endurance 74ETAcorrect |
| Fuel | dieselcorrect |
| Power | 240 hp (180 kW)correct |
| Rated speed | 2,200 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 8,400 cm³correct |
| Aspiration | Turbcharged and Aftercooledcorrect |
| Naturally aspirated | naturally aspiratedcorrect |
| Coolant capacity | 34.1 lcorrect |
| Engine oil capacity | 19.3 lcorrect |
Dimensions and weights
| Width | 3,002.3correct |
|---|---|
| Wheelbase | 3,075.4correct |
| Ground clearance | 570.2correct |
| Unladen weight | 8,867.7 kgcorrect |
Drivetrain and chassis
| Drive | selectable four-wheel drivecorrect |
|---|---|
| Gearbox type | Tech Star continuously variable transmissioncorrect |
| Top speed | 40.2 km/hcorrect |
| System voltage | 24 Vcorrect |
Working data
| Pump flow | 147.3 l/mincorrect |
|---|---|
| Hydraulic oil capacity | 100.3 lcorrect |
| Fuel tank capacity | 600.4 lcorrect |
Origin and approval
| Plant | Beauvois, Francecorrect |
|---|---|
| Predecessor | Challenger MT665correct |
| Successor | Challenger MT665Ccorrect |
Where this model stands
Power-to-weight ratio: 20.3 kW/t (180 kW / 8.9 t)
Power class: Heavy (> 180 hp)
Stronger than 95% of the tractors in the register — out of 15,240 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Challenger MT665B have?
The Challenger MT665B delivers 240 hp.
How much does the Challenger MT665B weigh?
The unladen weight is 8,868 kg.
What engine does the Challenger MT665B have?
6 cylinders, 8,400 cm³ displacement, diesel.
How fast does the Challenger MT665B go?
Top speed is 40.2 km/h.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Check the weights in the papers against the figures here — attachments change them.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 29 individual figures for this model. They come from 2 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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