The Chelsea 442 Series 21/37 Power Take-Off is a Mechanical Shift, 6-bolt model. This PTO model boasts a 6-bolt mounting option and a speed ratio of 21/37, making it a versatile and reliable choice for a wide range of applications. With a sturdy cast iron housing, this PTO is built to last and withstand even the toughest conditions. The low-profile shift cover and rotatable output flanges provide improved clearance, while the greaseable output shafts ensure extended life and easy maintenance. The air shift option allows for easy and precise shifting, while the 1-1/4" round standard shaft output type ensures compatibility with a variety of equipment. Plus, with easy interchangeability from one transmission to another, this PTO is a flexible and adaptable choice for any job. The Chelsea 442 Series Power Take-Off offers reliable and efficient power take-off performance. FleetPride is your First Click in Heavy Duty®.