Home Drive & PTO Shaft Coupling Series PB-M Coupling Series PB-M Coupling Series PB-M Category: Drive & PTO Shaft Tag: Coupling Description Description Coupling Series PB-M Related products Friction torque limiter FFV3-FFV4 Series for PTO drive shafts Short type transmission shaft assembly (SA) PTO Adaptor & splined shaft and CROSS for PTO drive shafts Fixed joint assembly (FT)