Challenger MT845B 4WD
Series: Other models
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The Challenger MT845B is a tractor from the Challenger 4WD Tractor series. The six-cylinder engine, displacing 15.2 litres, produces 406 hp (298.3 kW). Rated speed is 2,100 rpm.
It will not go faster than 40 km/h — a working pace, not a travelling one. Unladen, it tips the scales at 18,597 kg.
Within the range, rated power spans from 22.8 to 593 hp; with 406 hp, the MT845B sits in the upper third. Directly alongside are the MT835B with 355 hp below and the MT855B with 466 hp above.
Technical data
Engine
| Engine model | C15 ACERTcorrect |
|---|---|
| Power | 405.5 hp (298.3 kW)correct |
| Rated speed | 2,100 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 15,207.2 cm³correct |
| Aspiration | Turbocharged and Air-to-Air Aftercooledcorrect |
Dimensions and weights
| Ground clearance | 366correct |
|---|---|
| Unladen weight | 18,597.3 kgcorrect |
Drivetrain and chassis
| Gearbox type | powershift transmissioncorrect |
|---|---|
| Forward gears | 16correct |
| Reverse gears | 4correct |
| Top speed | 39.6 km/hcorrect |
| System voltage | 12 Vcorrect |
Working data
| Pump flow | 164.7 l/mincorrect |
|---|---|
| Hydraulic pressure | 199.9correct |
| Fuel tank capacity | 1,159.1 lcorrect |
Other data
| Height | 3,511.3correct |
|---|
Where this model stands
Power-to-weight ratio: 16 kW/t (298 kW / 18.6 t)
Power class: Heavy (> 180 hp)
Stronger than 99% 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 MT845B have?
The Challenger MT845B delivers 406 hp.
How much does the Challenger MT845B weigh?
The unladen weight is 18,597 kg.
What engine does the Challenger MT845B have?
6 cylinders, 15,207 cm³ displacement.
How fast does the Challenger MT845B go?
Top speed is 39.6 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.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
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This page carries 18 individual figures for this model. They come from 1 recorded source; 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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Other models in this series
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Tractor in 3D section
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