The Snyder Industries 525 Gallon Plastic Horizontal Leg Tank (SKU SII-1400000C26) is a white polyethylene horizontal leg tank built for hauling liquid in the field. It measures 75 inches long, 48 inches wide, and 53 inches high on a molded leg base with a 48 x 75 inch footprint. Snyder rates this tank to a 1.9 specific gravity, which is the spec that matters most when you are deciding what you can legally and safely haul in it.
Will it work for your load?
Capacity is 525 gallons. Filled with plain water (SG 1.0), the contents weigh about 4,378 pounds. Because the tank wall is rated to a 1.9 specific gravity, the maximum rated contents weight climbs to roughly 8,319 pounds for a dense liquid that fills the full volume. Use those two numbers to plan your tongue weight, axle rating, and trailer deck before you fill. If you are unsure how a denser product changes the math, run your liquid's specific gravity through the Tank Sizing Calculator or read the Tank Sizing Guide to confirm the tank and your transport are matched. For the molded leg layout and fitting locations, see the technical drawing on this page.
Chemical compatibility
This tank is molded from polyethylene with a 1.9 specific-gravity wall rating. The resin grade reads as HDLPE but is not fully confirmed, so before you put any chemical in this tank, confirm HDLPE versus XLPE construction with us at 866-418-1777 — crosslinked and linear polyethylene behave differently with aggressive products over time, which matters for acids like sulfuric (98%), hydrochloric (37%), and oxidizers like sodium hypochlorite. Pending that resin confirmation, the following products are compatible with a polyethylene tank at this SG rating when the fittings and gaskets are matched correctly, per the OEM chemical-resistance chart (always read it for your exact concentration and temperature):
Acetic acid (60%, PP/PVC fittings, EPDM gaskets), aluminum sulfate (50%, PVC, EPDM), calcium chloride (40%, PVC, EPDM), DEF (32.5%, 316SS, EPDM), ethylene glycol (100%, PVC, EPDM), ferric chloride (50%, PVC, EPDM), ferric sulfate (60%, PVC, EPDM), ferrous sulfate (20%, PVC, EPDM), hydrochloric acid (37%, PVC, Viton), hydrofluoric acid (48%, PP/PVC, Viton), hydrofluosilicic acid (26%, PP/PVC, Viton), hydrogen peroxide (50%, PVC, Viton), magnesium chloride (30%, PVC, EPDM), peracetic acid (30%, 316SS, Aflas), phosphoric acid (85%, PVC, Viton), polyaluminum chloride (PVC, EPDM), potassium carbonate (50%, PVC, EPDM), potassium hydroxide (saturated, PVC, EPDM), propylene glycol (PP/316SS, EPDM), sodium bisulfate (PVC/PP, EPDM), sodium bisulfite (PVC/PP, EPDM), sodium carbonate (30%, PVC, EPDM), sodium hypochlorite (under 16.5%, PVC, Viton), sodium thiosulfate (40%, PVC, EPDM), sulfuric acid (98%, CPVC, Viton), urea solution (50%, PP/PVC, EPDM), and zinc orthophosphate (PP/316SS, EPDM). Ozonated water (up to 10 PPM, PVC, EPDM) is also compatible. Match the listed fitting and gasket materials exactly, and review the full chemical compatibility reference before service.
The mistake to avoid
The most common error on a leg tank like this is treating the 1.9 SG rating as permission to haul any volume of a heavy liquid. The rating governs what the wall can hold, but the road-legal load is set by your trailer, axles, and tires, not the tank. A full load of a dense product can approach 8,319 pounds before you add the tank, trailer, and equipment. The other recurring mistake is pairing the wrong fitting or gasket with an aggressive chemical, which causes a slow weep at the bulkhead rather than a tank failure. Honor the OEM chart's fitting and gasket callouts above, and confirm resin construction first.
This tank ships LTL freight, quoted live to your ZIP, from whichever Snyder plant is closer to you — Lincoln, NE or Philippi, WV. Get an exact rate with the Freight Cost Estimator, or call 866-418-1777 to talk through your hauling setup. For application background, see our guides on leg tanks for fertilizer and DOT non-roadable trailer scope, the 49 CFR 173.5 agricultural exemption, fertilizer-blend stratification and mixing protocol, and Snyder Captor double-wall tanks for SPCC 40 CFR 112 compliance.
