Start About IM Transmission Gearboxes Replacement gearboxes Power take-off Compilation Carrier Investment Quieter power take-off Calculation model Download Oils ETC insurance Allison Service Contact Us PTO Calculation in English PTO Positions in English Did you know that... Did you know that we at IM Transmission have developed a quieter power take-off? It minimizes the racking caused by the uneven running of all engines. " Read more here New power take-off Chelsea 890 and 897 are new power take-offs that are particularly suitable where there is little space on the side of or above the gearbox. »Read more here (PDF) Power take-off Choosing the right power take-off is not always easy. The options are many and there are lots of different designs and factors that should be considered in the choice. To help you, we have developed a calculation model based on the power take-off capacity and our experience. Gears and torque for all power take-offs. " Click here Sketches of alternative carriers. " Click here Pictures showing the locations of the power take-offs on each gearbox. " Click here