Challenger MT945B 2WD
Series: Other models
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The Challenger MT945B is a tractor from Challenger. Power comes from a six-cylinder engine; from 15.2 litres it draws 436 hp (320.7 kW). Rated speed is 1,800 rpm.
It will not go faster than 40 km/h — a working pace, not a travelling one. It measures 4.87 m across. Unladen, it tips the scales at 22,680 kg.
Within the range, rated power spans from 22.8 to 593 hp; with 436 hp, the MT945B sits in the upper third. Directly alongside are the MT845B with 406 hp below and the MT855B with 466 hp above.
Technical data
Engine
| Engine model | C15 ACERT Tier IIIcorrect |
|---|---|
| Power | 436 hp (320.7 kW)correct |
| Rated speed | 1,800 rpmcorrect |
| Speed at max. torque | 1,400 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 15,200.6 cm³correct |
| Aspiration | Turbocharged / Air-to-Air Aftercooledcorrect |
Dimensions and weights
| Width | 4,873.8correct |
|---|---|
| Wheelbase | 3,950.2correct |
| Unladen weight | 22,679.6 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 |
|---|---|
| Fuel tank capacity | 1,476.3 lcorrect |
Where this model stands
Power-to-weight ratio: 14.1 kW/t (321 kW / 22.7 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 MT945B have?
The Challenger MT945B delivers 436 hp.
How much does the Challenger MT945B weigh?
The unladen weight is 22,680 kg.
What engine does the Challenger MT945B have?
6 cylinders, 15,201 cm³ displacement.
How fast does the Challenger MT945B 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.
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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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