The Chelsea 489 Series 8-Bolt 17/37 Power Take-Off is the ultimate mechanical shift power take-off designed to meet the demands of heavy duty applications. With an 8-bolt mounting option and a speed ratio of 17/37, this PTO is built to deliver maximum power and efficiency. It features an air shift type, making it easy to operate and control. Its output type is a 1-1/4" round standard shaft, which eliminates the need for an adapter plate, saving you time and money during installation. The Chelsea 489 Series of PTOs also offers a wide range of shifter options and pump flanges, giving you the flexibility to customize it to your specific needs. With eleven speed ratios to choose from, you can select the perfect combination of speed and torque for your application. It comes with greaseable and rotatable options, which reduce the risk of leakage and extend the life of the PTO. With less expense and less chance of leakage, you can be confident that your PTO will perform reliably. In summary, it's a top-of-the-line mechanical shift power take-off that delivers exceptional performance and durability. With its easy-to-use air shift type, 1-1/4" round standard shaft, and a wide range of options, this PTO is the perfect choice for heavy duty applications. FleetPride is your First Click in Heavy Duty®.