I need a cylinder block and piston kit for my AC 416 Hydrostatic with a Vickers T66 and TA6 transmission pump assembly. Does anybody know where one of these transmissions is in a boneyard?

My T66x was leaking at the forward/reverse control and at the point the motor enters the reduction gear box. I found a seal kit online, PRO-ACTIVE Fluid Power, but that's another thread. Everyone loves pictures, so here goes ... Pump innards: Two words of warning: 1) There are 2 pins...