The Snyder Industries 3650 Gallon ASTM XLPE Heavy Duty Vertical Storage Tank is a natural white, crosslinked polyethylene vertical storage tank built for large-volume bulk water and heavy-duty liquid storage. It holds 3,650 gallons, stands 126 inches tall on a 102-inch by 102-inch footprint, and carries a 1.9 specific gravity rating - one of the highest density ratings offered in a poly tank, which is why it turns up in searches for an XLPE tank or heavy-duty vertical storage tank rather than a standard-wall vertical tank.
Will it work for your site?
Start with the two numbers that matter, side by side: filled with water this tank carries roughly 30,441 pounds of contents, while its 1.9 specific gravity wall is rated to hold up to about 57,838 pounds of contents at maximum density. That is roughly 27,000 pounds of density headroom - the whole point of the crosslinked (XLPE) construction. The tank wall is engineered for heavier-than-water liquids, giving you margin on a water application and real capacity to spare for denser contents. The 102 x 102 inch footprint and 126-inch height set your pad size and overhead clearance - confirm both against your slab and any roof or canopy before you commit. Use the Tank Sizing Calculator and the Tank Sizing Guide to match this vertical storage tank to your draw-down and refill cycle.
Fittings and access
Per the technical drawing on this page, this tank is configured with a flange, an 18-inch polyethylene threaded and vented fitting, a 12 inch by 13.75 inch S.U.M.O. flat-bottom fitting, and additional S.U.M.O. flat-bottom fittings. Interior access is through a manway with a 15-inch access opening for inspection and cleaning. Verify each fitting size and its clock position on the drawing against your plumbing and vent runs before you order, since outlet placement drives your manifold layout. Gasket and bolt-kit requirements are not specified on this drawing - confirm the sealing hardware for the flange and S.U.M.O. connections before install.
Why crosslinked matters here
Crosslinked linear polyethylene is a different material than standard HDPE - the resin cures into a denser, more impact- and stress-crack-resistant wall, which is what supports the 1.9 specific gravity rating on a tank this size. At 1.9 SG this is the top of the density ladder for a poly tank, so there is no heavier-rated wall to step up to. If you are weighing this against a standard-wall vertical tank, our guide on Snyder XLPE vs HDPE walks through when the crosslinked wall earns its place. For freeboard and thermal-expansion planning on a tank this tall, the ASTM D1998 freeboard sizing guide covers the usable-volume math, rural fire-reservoir sizing is covered in our fire-water reservoir design guide, and a tank this heavy needs a properly engineered slab - see concrete pad sizing for above-ground poly tanks.
This tank ships LTL from the Snyder plant in Marked Tree, Arkansas, with freight quoted live to your ZIP - get a number in seconds with our Freight Cost Estimator or call 866-418-1777. Even empty, a tank this size moves as an oversized LTL load, so confirm forklift or crane access and a clear path to the pad at your delivery site before you schedule.
