Product Details: Update your truck with a smooth running transmission and gearbox, with the Citgo Mystik® JT-7® 85W-140 Multi-Purpose Gear Lubricant that ensures you're Ready for the Road Ahead™. With a viscous body, this multipurpose lubricating oil allows the transmission, differential, and transaxle components to gently glide across one another without shearing or scuffing. Manufactured to withstand high temperatures and keep your engine at its best while reducing the need to change or repair gears. FleetPride is your First Click in Heavy Duty®.