Model No: DFHMQ520-301-HL2-56-16 • Single-piece aluminum alloy housing. • Factory-filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant – USDA Class H1 approved. • Vent free design eliminates the potential for leaks. • Premium, high-temperature Nitrile output seals • Oversized high-speed bearings, positively retained for frequent reversing and start/stop cycles. • Bronze alloy worm gear is centrifugally cast onto an iron hub for maximum strength, lubricity and superior life. • Single-piece alloy steel input shaft and worm shaft. • NEMA and metric flange options available. • Mounting dimensions are interchangeable with many worldwide brands.