The Norwesco N-41361 is a 1,000-gallon horizontal elliptical cradle tank molded in black polyethylene for transport and stationary storage of heavy liquids. It carries a 1.5 specific-gravity rating, an FDA-approved resin, and a 120 F / 48 C maximum service temperature. The tank measures 90" long by 78" wide by 55" high, ships empty at 284 lb, and comes with a 16" lid and a 2" outlet. The elliptical cross-section and cradle design suit it to saddle or skid mounting, which is why buyers searching for a Norwesco horizontal elliptical cradle tank in black land here.
Will it work for your liquid?
Size to weight, not just gallons. Filled with water this tank holds 8,340 lb; at its full 1.5 SG rating it can carry up to 12,510 lb of contents. Confirm your saddle, trailer, or slab is rated for the loaded figure that matches your liquid's density before you fill. The 78" x 90" footprint is the bearing area your support has to cover. Use the Tank Sizing Calculator and Tank Sizing Guide to translate your fluid's specific gravity into an actual loaded weight for this tank.
Chemical compatibility
The resin is HDLPE with a 1.5 SG rating, but the grade is marked unconfirmed — confirm HDLPE versus XLPE before you commit this tank to any chemical service. Per the Snyder Industries OEM chemical-resistance chart, which is concentration- and temperature-specific, a 1.5 SG polyethylene tank like this one is rated for liquids including acetic acid (60%), aluminum sulfate (50%), calcium chloride (40%), DEF (32.5%), ferrous sulfate (20%), magnesium chloride (30%), sodium carbonate (30%), urea solution (50%), and ozonated water (up to 10 PPM). DEF and urea solution both need only a 1.35 SG tank, so this tank is comfortably over-specced for the DEF and fertilizer-blend duty those liquids imply — note that DEF calls for 316SS fittings. Most of the rest run on PVC or PP fittings with EPDM gaskets. Because the OEM ratings assume you stay at or below the 120 F / 48 C ceiling, hot fills or exothermic chemistries erode the rating — verify your exact chemical, concentration, temperature, and fitting and gasket materials against the chart. The FDA-approved resin supports the same compatibility discussion, though the pack makes no potable or NSF claim.
Step up for the heavy acids
Denser and more aggressive liquids exceed this tank's 1.5 rating and require a 1.9 SG tank — and they also move you off EPDM gaskets. Hydrochloric acid (37%), sulfuric acid (98%), phosphoric acid (85%), hydrogen peroxide (50%), and sodium hypochlorite all call for Viton gaskets, while peracetic acid (30%) needs Aflas with 316SS. Others in this group — ferric chloride, ethylene glycol, and potassium hydroxide — likewise need the 1.9 SG rating. If your liquid is on this list, step up to a 1.9 SG tank; start at the chemical compatibility hub or call 866-418-1777 and we will spec the right tank, fittings, and gaskets together.
The mistake to avoid
The costly error on a horizontal cradle tank is rating it by gallons and ignoring density. A liquid at 1.5 SG puts 50% more weight on your support than water, and this tank is rated to exactly that ceiling — go denser and you are outside both the tank's rating and your cradle's design load. Check the technical drawing on this page for cradle contour, fitting locations, and lid placement before you build the support.
The N-41361 ships LTL, freight quoted live to your ZIP from the nearest Norwesco plant — St. Bonifacius, MN or Washington Court House, OH. Get a freight number with the Freight Cost Estimator, or call 866-418-1777 to confirm compatibility and lock in your freight.
