The Mobilube HD 85W-140 Heavy Duty Gear Lubricant is a high-quality gear oil designed specifically for commercial axles. With a viscosity rating of 85W-140, this lubricant provides excellent protection and performance for heavy-duty applications. The pack of 12 quarts ensures that you have an ample supply on hand for regular maintenance and repairs. Mobil, a trusted brand in automotive lubricants, guarantees that this gear lubricant will keep your vehicle's gears running smoothly and efficiently.