What fits an 8 to 14 tonne carrier
Auxiliary flow typically runs 80 to 140 litres per minute at 160 to 200 bar. Most modern carriers in this class are spec'd well; older units may need a relief valve verification before commissioning a heavier breaker.
- Montabert SD42: 8 to 15 tonne carriers. The largest compact-class option. Strong choice if the carrier will also handle landscaping or finishing work.
- Montabert M900: 9 to 14 tonne carriers. The transition model into the medium class. Higher impact energy than the SD42, slightly lower BPM.
- Montabert V32: 11 to 18 tonne carriers. Variable-frequency. The economic sweet spot if the carrier can feed it.
- Montabert V45: 14 to 20 tonne carriers. Only for the very top edge of this class with hydraulics genuinely uprated for it.
Typical applications
- Quarry secondary breaking
- Civil bulk earthworks through fresh rock
- Concrete demolition: floors, footings, light structural
- Tunnel collar work and pile breaking
- Mining bench preparation
Compact vs medium class: where the line falls
The honest answer: it falls where your hydraulics fall. A modern 12 tonne carrier with well-maintained auxiliary plumbing will run a V32 at full duty. A 12 tonne carrier approaching mid-life with restrictive return lines will run an SD42 properly but lose 15 to 20 percent of a V32's rated impact energy.
If you're choosing between an SD42 and a V32, get a hydraulic flow reading at operating temperature and at full system pressure before deciding. We can do this on site in WA or the NT, free of charge for in-market customers.
Model comparison
| Model | Carrier weight | Operating weight | Oil flow | Working pressure | Frequency control |
|---|---|---|---|---|---|
| SD42 | 8 to 15 t | ~420 kg | 90 to 130 l/min | 165 to 185 bar | Fixed |
| M900 | 9 to 14 t | ~720 kg | 100 to 130 l/min | 170 to 190 bar | Fixed |
| V32 | 11 to 18 t | ~770 kg | 110 to 145 l/min | 170 to 190 bar | Variable |
| V45 | 14 to 20 t | ~1,070 kg | 140 to 175 l/min | 175 to 195 bar | Variable |
Talk to us about your duty cycle and we'll model expected productivity by model before you commit. We do this on a spreadsheet using your real material breakdown, not a brochure chart.