Were there any rules for these in Epic 40k?

Minefields are discussed on pg 13 of the Green Book (Epics Battles book), to paraphrase: one should have a model for the mine field, the field can be 15cm long by 5cm wide and any enemy that enters the field is immediately attacked with a firepower of 1. The mine field behaves quite like snap fire (can attack any number of units, but only attack the same unit once) with the exception that they actually have to be 'entered' rather than be in range.

These minefields can be used in conjuction with hidden set up scenerios and markers.

Firepower magazine one address the stats for the original (pre FW) Gorgon: Point cost 14, speed 25, range 30, firepower-disrupt, assualt 1, armor 5, transport(2) and has a new special ability of 'open top' which allows half the units being transported to fire and assualt with the condition, if the unit is hit by artillary the transported troops are automatically killed due to the open top.

Firepower magazine four addresses stats for engineering vehicles, specifically to be used to clear minefields: point cost 15 (given later in Epic magazine 1) spd 15, range -, firepower 0, assualt 0, armor 6, special ability: engineer.

In brief, engineer special ability allows the vehicle to clear a field by assualting it in the assualt phase, with the downside that before the field is cleared 'it' still gets to make one minefield attack attempt on the engineering vehicle.

The engineering ability also allows barbed wire to be layed and fortifications to be built is the intention to do so is made during the rally phase and the engineering vehicle remains stationary the next turn (I'm sure you can see how you could apply this ability to minelaying with your minelayer model).

Hope this helps you use your model in Epic.

The Gorgon Mk.1 is a Mine Layer and Mine Clearing vehicle ...

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Legion 4 "Cry Havoc, and let slip the Dogs of War !" ... "People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf."

Those are what i have, i picked them up as part of a collection, to be honest they sound like they would slow the game down a lot so perhaps they will only get used if a large siege type game presents its self (failing that e-bay).
Thanks for the help guys.

Yes, L4, I am aware of that, and that is indeed the model jprp is referring to in the rule question.
As you well know, Games Workshop made the one your showing and also made the open top transport varient that later was revised/revisited by Forge World in the Vraks and accociated model releases.

I believe jprp's question was on whether or not any rules for the mine layer variant were ever printed for Epic 40k, and I hopefully attempted to answer that question.

The only Gorgon E40k rule I am aware of is for the open top transport version, so I listed the stats for reference.

I mentioned the engineering vehicle stats also, since they more appropriately reflected the minelaying Gorgon variant.

Yes, the later versions Mk.II and Mk.III were not able to lay mines only clear them, and Transport troops. And the latest version from Forge World was just a large armed tranport. In SM1, the Mk.1 Gorgon could lay mines while moving ...a total of 4 ... So that made it useful to deploy during the game for route or area denial. Mk.II - Mk.III - Mk.IV -

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Legion 4 "Cry Havoc, and let slip the Dogs of War !" ... "People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf."

Having thought about it-i may use them as some kind of count as unit for ad-mech or lakeys of the Iron Warriors.

Add a bigger rear turret over the mines ... could be a Russ varient ...

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Legion 4 "Cry Havoc, and let slip the Dogs of War !" ... "People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf."