Steel or Poly tank

[LVFD301]

Stainless steel or Poly tank in a tanker? Thoughts?

[BoxAlarm187]

Stainless steel or Poly tank in a tanker? Thoughts?

Poly. Lifetime warranties available, and lighter in weight.

Just my thoughts.

[chiefengineer11]

After years with steel tanks, poly for sure. Unfortunately, the true best tanks, made by Custom Fiberglass, aren't available any more.

[islandfire03]

UPF Poly without a doubt. Lifetime warrantee for as long as you own the truck.

Stainless is good but can get brittle over time.
If you go elliptical go Poly and you can put a shiny wrap on it, as long as you have probies to keep it polished.

[LVFD301]

Pretty much my thoughts, but I wanted to make sure. Thanks

[mitchkrat]

Depends on what the trucks going to be used for. We have poly's on our engines and tankers, our tanker normally stay on the road. Our neighbors have a "tactical tanker" - and when he went through a ditch - not sure if the tank moved or the frame flxed - busted the poly tank in half. Sure it's guaranteed - but the trucks out of service until they can get another tank installed.

I think the problem with poly tanks is that they "float" and are not (at least from what I have seen) bolted down where a stainless steel or fiberglass tank would be bolted down.

[islandfire03]

Depends on what the trucks going to be used for. We have poly's on our engines and tankers, our tanker normally stay on the road. Our neighbors have a "tactical tanker" - and when he went through a ditch - not sure if the tank moved or the frame flxed - busted the poly tank in half. Sure it's guaranteed - but the trucks out of service until they can get another tank installed.

I think the problem with poly tanks is that they "float" and are not (at least from what I have seen) bolted down where a stainless steel or fiberglass tank would be bolted down.

A poly tank should be mounted securely to a rigid subframe that is attached with spring loaded mountings to allow the chassis to flex without affecting the tank. I've seen the same thing happen with a stainless milk tanker that was moved onto a new chassis and not given any flex capability.

[3260e]

In our neck of the woods we are sometimes called upon to supply "potable" water. I've been told you must have a SS tank for this (not positive though). We have a 3000 poly and a 2000 SS. Some pretty rough roads, no issues with either.