Chelsea pto installation

All you need is your PTO series number to get started. To make sure you get the right part please:. Get your current PTO product catalog from the literature parts list below:. Call Now Button. Click to Call Our Numbers:. Call Now. Email Us. Get Directions. This website uses cookies and third party services.

Read our Privacy Policy I Accept. An out of phase shaft will vibrate and damage the PTO and pump shaft seals while a functioning slip yoke will allow the shaft to adjust for flexing of the truck chassis. Chelsea strongly recommends the use of pump supports Support Brackets in all applications.

When using a direct mount method, in PTO installation, use a support bracket to support the pump to the transmission when the following conditions apply:. NOTE: For proper bracketing, attach at 2 or more transmission bolt locations and 2 or more pump locations. Contact transmission manufacture for proper bracket mounting locations.

How P. Side Mount PTO. Click to enlarge. PTO placement for Eaton Fuller transmission. PTO placement for Allison transmission.

The most important part of a PTO installation is the gear, or gear set design. Important Power Take-Off terms. Spur Gear. Helical Gear. Pitch Diameter. Pitch Gear. Pressure Angle. Gear Ratio. Pitch Line. Pitch Line Velocity. A spur gear will not mesh properly with a helical gear Helical gears not only must mesh with each other, but one must be right-handed and the other must be left-handed Helical gears also must have the same tooth construction in terms of pitch, pressure angle and helix angle Helix angle is the degree of the angle cut across the gear Gear ratio is another important part of P.

The P. Assume the engine horsepower is 50 and the speed of the small gear is revolutions per minute R. PTO Installation to the pump. When direct mounting a pump you must do the following: Specify a PTO output shaft and mounting flange that match those of the pump. Select the correct pump rotation to match the PTO output rotation or select what is known as a bi-rotational pump, which tends to have equally sized ports since either can be the inlet or outlet. Provide a rear pump bracket to support the weight of the pump.

Supporting the pump. When using a direct mount method, in PTO installation, use a support bracket to support the pump to the transmission when the following conditions apply: The pump weight 40 pounds or more The combined length of the PTO and pump reaches or exceeds 18 inches from the PTO centerline to the end of the pump ALSO: Remember to pack the female pilot of the P. Call Now Button. Click to Call Our Numbers:. Call Now. Email Us. Get Directions. This website uses cookies and third party services.