The Enduraplas 800 Gallon Yellow Horizontal Sump Bottom Leg Tank ships with a steel frame and a sump bottom built for fast, complete draining - the geometry that makes a horizontal leg tank the standard choice for transport skids, nurse rigs, and stationary haul-and-dispense setups. It carries 800 gallons in a 1.9 specific-gravity-rated polyethylene body measuring 94 inches long, 60 inches wide, and 56 inches tall, with a 60.0 x 94.0 inch footprint. The yellow body and sump-bottom horizontal format are what buyers searching for an Enduraplas horizontal leg tank are after when they need a vessel that empties clean and rides level on a frame.
Will it handle your load?
This tank carries a 1.9 specific-gravity rating - high enough for dense fertilizers and heavy chemical concentrates that would over-stress a 1.5-rated tank, and 1.9 is the top SG rating available in this format, so if your fluid is denser than that this is not the right vessel. Full of water (SG 1.0), the contents weigh 6,672 lb; at the full 1.9 rating the tank body is built to carry up to 12,677 lb of contents. One caution: that 12,677 lb figure is the tank body's SG rating, not a certified frame or trailer GVWR - the included frame is a stand/skid, so confirm your frame and trailer capacity separately. Plan your anchoring, trailer rating, and pump sizing against those weights, not against gallons alone - a tank this size near the top of its SG range is a serious dynamic load on the road or when repositioned. Run your fluid through the Tank Sizing Calculator and the Tank Sizing Guide to confirm loaded weight matches your equipment before you commit.
Chemical compatibility
The body is polyethylene rated to a 1.9 specific gravity. The resin grade is listed as HDLPE but unconfirmed - confirm HDLPE versus XLPE with us before putting any chemical into service, because cross-linked and high-density linear polyethylene differ in chemical resistance and stress-crack behavior. Fitting and gasket material must be matched to the specific chemical and concentration. Based on the OEM chemical-resistance chart - which is concentration- and temperature-specific - this tank handles, among others, sulfuric acid at 98% (CPVC fittings, Viton gaskets), hydrochloric acid at 37% (PVC, Viton), phosphoric acid at 85% (PVC, Viton), sodium hypochlorite below 16.5% (PVC, Viton), ferric chloride at 50% (PVC, EPDM), aluminum sulfate at 50% (PVC, EPDM), calcium chloride at 40% (PVC, EPDM), urea solution at 50% (PP/PVC, EPDM), DEF at 32.5% (316 stainless fittings, EPDM), peracetic acid at 30% (316 stainless, Aflas), hydrogen peroxide at 50% (PVC, Viton), hydrofluoric acid at 48% (PP/PVC, Viton), and ethylene glycol at 100% (PVC, EPDM). Other compatible chemicals include acetic acid, ferric and ferrous sulfate, hydrofluosilicic acid, magnesium chloride, polyaluminum chloride, potassium carbonate and hydroxide, propylene glycol, sodium bisulfate, bisulfite, carbonate and thiosulfate, zinc orthophosphate, and ozonated water up to 10 PPM. Always verify your exact chemical, concentration, and temperature against the chart and our chemical compatibility resource before ordering fittings.
The mistake to avoid
The biggest error on a tank like this is loading a dense chemical without verifying the resin and the fitting/gasket match. The 1.9 SG rating tells you the tank body can carry the weight, but it does not tell you the polyethylene will resist your chemical - and the wrong gasket fails long before the tank does. Note where the chemistry shifts the hardware: DEF and peracetic acid call for 316 stainless, sulfuric acid moves you to CPVC, and the aggressive acids and oxidizers require Viton or Aflas rather than EPDM. Specific outlet and fitting locations are not listed in our data, so check the technical drawing on this page for the sump outlet size and position before you plumb it. Confirm the resin (HDLPE vs XLPE), then match every wetted fitting and gasket to the chart before the first fill.
This tank ships LTL freight from the Enduraplas plant in Neche, ND, quoted live to your ZIP - a freight advantage for Upper-Midwest and Plains buyers running nurse rigs and applicator skids. Get an exact freight number with the Freight Cost Estimator, or call 866-418-1777 to talk through frame anchoring, fitting selection, and chemical service. For loaded-weight and DOT context on agricultural haul tanks, see our guides on applicator and leg tanks for fertilizer, portable utility tank DOT classification, and fertilizer-blend tank stratification. See the technical drawing on this page for fitting locations and overall dimensions.
