Model No: GR-B813-5-L • One-piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment. • Factory-filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant. • Large oil capacity provides positive splash lubrication and superior cooling capability. • Viton® double lip seals provide extended life through increased resistance to high temperature, abrasion and chemicals. • The unique quill seal guard protects the input seal from damage during motor installation. • Bronze worm gear chill cast from high quality bronze for maximum strength, lubricity and superior life. • Oversized high-speed bearings, positively retained for frequent reversing and start/stop cycles.Tapered roller bearings on output shaft for high overhung and thrust load capacities. • All units are 100% run and leak tested at the factory to insure that you receive the highest quality product. • Ultimate application flexibility with all-angle mounting provisions, the widest selection of accessory bases and flanges and the largest selection of stock reducer styles. • Mounting dimensions are interchangeable with most industry standard reducers.