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Well, the topic says it all. Those damn D-canons are a pain and I am not really sure how to handle them with Cult Mech and Skitarii. Torsion Canon Breachers seem to be the way but the short range makes it very risky. Since they are very often used in Ynnari lists I was hoping that someones got an idea on how to handle them with Adeptus Mechanicus.

So the simple answer, to me, is grav. Your grav outranges the D-Cannons and all platforms for firing them that I can think of have 3+ armor. Use your Canticles to give yourself cover bonuses so you're protected from all but 6's and grav them down.

The problem is that I'm wounding on 5+ cause of the crew. Tried to grav them down several times but it is verys unrelaible without a BS boost or twin linking and of course without Grav-Amp. I am thinking about 2 Dunecrawlers with Neutron Lasers as another thread. Would that make sense?

So not Wraithcannons but D-Cannon platforms then, a significant difference.

Remember that they only have a 24" range and drown them in Phospher from Kastellans.

Iago40k wrote:
The problem is that I'm wounding on 5+ cause of the crew. Tried to grav them down several times but it is verys unrelaible without a BS boost or twin linking and of course without Grav-Amp. I am thinking about 2 Dunecrawlers with Neutron Lasers as another thread. Would that make sense?

Mmm, this is wrong. You should never be wounding D-Cannons on a 5+ unless all the actual artillery is dead. Remember, Artillery rules say you always use the gun's profile for rolling to wound and saves. You still allocate wounds by proximity, but you use the gun profile. You should be wounding on 3+ till all the actual guns are dead.

Audustum wrote:

Iago40k wrote:
The problem is that I'm wounding on 5+ cause of the crew. Tried to grav them down several times but it is verys unrelaible without a BS boost or twin linking and of course without Grav-Amp. I am thinking about 2 Dunecrawlers with Neutron Lasers as another thread. Would that make sense?

Mmm, this is wrong. You should never be wounding D-Cannons on a 5+ unless all the actual artillery is dead. Remember, Artillery rules say you always use the gun's profile for rolling to wound and saves. You still allocate wounds by proximity, but you use the gun profile. You should be wounding on 3+ till all the actual guns are dead.

actually the Artillery rules only cover comparing Str to the Toughness of the gun, not just wounding on the gun always. So grav would wound on majority Sv by RAW

 CrownAxe wrote:

Audustum wrote:

Iago40k wrote:
The problem is that I'm wounding on 5+ cause of the crew. Tried to grav them down several times but it is verys unrelaible without a BS boost or twin linking and of course without Grav-Amp. I am thinking about 2 Dunecrawlers with Neutron Lasers as another thread. Would that make sense?

Mmm, this is wrong. You should never be wounding D-Cannons on a 5+ unless all the actual artillery is dead. Remember, Artillery rules say you always use the gun's profile for rolling to wound and saves. You still allocate wounds by proximity, but you use the gun profile. You should be wounding on 3+ till all the actual guns are dead.

actually the Artillery rules only cover comparing Str to the Toughness of the gun, not just wounding on the gun always. So grav would wound on majority Sv by RAW

Hmm, not quite what you thought in 2015 :

https://www.dakkadakka.com/dakkaforum/posts/list/631015.page

That said, we're not in YMDC and the common consensus, even in that thread, is to use the gun's armor save. Unless he comes back and says they use a different rule I stand by my advice.

Well Grav is wounding on majority saves versus artillery and crew so on a 5+. Usually players put them into a Shrine of the Aquila or a similar piece of ruins to give them an additional cover save which makes it very frustrating to deal with. Phosphor is about the same as Grav, wounding on a 5+. Plasma might be something but neither Skitarii nor AdMech got Plasma with a longer range than those friggin D-Canons.

How many platforms does he have? And what's the range of the torsion cannon?

Audustum wrote:

 CrownAxe wrote:

Audustum wrote:

Iago40k wrote:
The problem is that I'm wounding on 5+ cause of the crew. Tried to grav them down several times but it is verys unrelaible without a BS boost or twin linking and of course without Grav-Amp. I am thinking about 2 Dunecrawlers with Neutron Lasers as another thread. Would that make sense?

Mmm, this is wrong. You should never be wounding D-Cannons on a 5+ unless all the actual artillery is dead. Remember, Artillery rules say you always use the gun's profile for rolling to wound and saves. You still allocate wounds by proximity, but you use the gun profile. You should be wounding on 3+ till all the actual guns are dead.

actually the Artillery rules only cover comparing Str to the Toughness of the gun, not just wounding on the gun always. So grav would wound on majority Sv by RAW

Hmm, not quite what you thought in 2015 :

https://www.dakkadakka.com/dakkaforum/posts/list/631015.page

That said, we're not in YMDC and the common consensus, even in that thread, is to use the gun's armor save. Unless he comes back and says they use a different rule I stand by my advice.

Wow my RAW answer and HIWPI answer are different

Weird /sarcasm

I've fought this build before. Grav and Phospher weapons are the way to go. Ideally, if you have Rangers (which you should!) have them snipe out the gunners or focus fire on gun. Admech have all the tools more so than any other (maybe other than space marines) to take care of them.

Get an Auspex/whatever its called, snipe them. Outrange it, all your guns except your Vanguard weapons outrange it. Or volly fire radium guns on it, to cause it to wound overload. If you want to get close.

Plasma cannons should do the trick as well. And to make them even more annoying buy the reactor kit and have your plasma servitors fire Large Plasma blasts just to be an donkey-cave back to his D list bs. Its what I do, and its pisses him off, which pleases me.