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We’re into tools of all kinds, but noisy ones with brute power do tend to perk our ears a little. The Evolution 12-inch disc cutter is one of those hairy-chested tools that makes all before it flee for cover — for as long as the cord will reach, anyway.

The big cutter features a 4-inch cut depth, a 2400w motor that spins up to 5000rpm and a 20-minute duty cycle which we’re guessing is due to heat from the operations it’s performing. Equipped with an Evolution diamond blade, the cutter will go through reinforced concrete, stone, and brick without much of an issue as this video link shows.

The only bummer here is it’s got a perpendicular plug, so it’s basically not something that most will have in their home shop or site in the states. Since it’s pretty common in Europe, we’re guessing that’s the real target as Evolution is based in the UK but has a U.S. arm of distribution. We hope it’s fitted with a more standard plug soon — still looks good, though.

12″ Disc Cutter [Evolution Power Tools]


9 Responses to Preview: Evolution 12″ Disc Cutter

  1. Joe says:

    Are you sure they’re not talking about a 20A receptacle where the ground pin has a T shaped slot?

  2. Joe says:

    *neutral (which SHOULD be ground… but whatever)

  3. Nik says:

    Since it has a 2400W motor, it needs a 20 amp circuit (at 120V), so it cannot have a regular plug. Otherwise people would plug it into 15 amp circuits and trip the breaker all the time. You can’t solve that problem just by putting a standard plug on it.
    Bottom line: 120V sucks.

  4. fred says:

    This is a case where we usually reach for an engine-driven saw.
    More power, more portability – no electric shock issue – all make it a better choice for us,
    We do have one electric (Bosch) – but it spends more time in the tool room that on the job.

    BTW we do have an Evolution Metal cutting saw and a similar one bearing the MK Morse brand – that we love for cutting corrugated roof decking

  5. Mike says:

    This is like the chain saw vs gator lopers debate. Some things are just better with gas! I don’t own one (yet) but have rented both gas and electric cut off saws. The electric has enough power but needs a special plug (L5-30?) which means special cable after you install a special outlet. Gas is just ready to go out of the truck. Gas saws are heavier which can wear you down if you have to hold it long or in any odd angle. But with gas you can have built in water cooling which is a must for masonry cutting. Well not a must but so much better then being in a dust cloud

  6. mark says:

    I have a Bosch, it uses a regular circuit (but it needs all 15 amps). I like life, so I always use a GFI with all tools. A $10 GFI costs less than my funeral will.

    I added a garden sprayer, 1/4 PVC hose and Stihl dust control kit.

    Gas saws are fine, but they weigh a lot more and… well, they run on gas and all that goes with that.

    I just cut bricks and pavers around my home and shop, so my demands aren’t truck oriented.

  7. Cameron Watt says:

    Perpendicular plug, eh? Is that what’s on the spec sheet?

    As for the electric/engine argument I believe, that on a pound-for-pound basis, electric motors are better prime movers than engines so long as you can get power to them; notwithstanding poorly designed tools and consumer products.

    If you want your mind to explode, check out page 127 of the September 1938 issue of popular mechanics where an ad offers a bar-napkin cost analysis shows a Ford V-8 engine as being a less expensive alternative to a comparably sized electric motor!


  8. fred says:

    @Cameron Watt

    No debate that electric motors – attached via the right cord to the right circuit – are the way to go in most situations. The Europeans have the edge with higher voltage house wiring. But even in Europe cutting concrete makes dust – which is best cut down with water – making a slurry – and electric motors don’t do well with concrete dust or water or slurries. There are times when we use our electric hand-held – but more often we bring an engine-driven saw or a walk-behind machine. Of couse – for the really big street jobs there is no electric equivalent to a big Vermeer machine.

    For the novices out there – they should also consider the blade – and matching it to what’s being cut: Cured Concrete, Green Concrete, Asphalt, Concrete with embedded aggregate or steel – or some combination.

  9. dm says:

    the 20 minute duty cycle is mainly to ensure that the (likely) 12 awg wire that is powering the saw doesn’t get too hot.

    continuous duty is specified as at or over 3 hours although at that level a circuit breaker and all downstream wiring and receptacles are only good for 80% of the rated power.

    therefore, this saw is only good to use for short periods (I wouldn’t touch it unless it was wired for 208-240v) otherwise I would re-plug it for a L5-30 and run #10 awg wire that is good for 30A and then I wouldn’t be so scared of running it for 20 minutes at a time.

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