PTO’s and Transfer Cases
There are many different PTO’s and transfer cases used on different types of drilling rigs. The 792 and 784 Spicer 1:1 Gear Transfer Cases replace many styles of chain drive PTO’s that rigs originally came with. Here are some dimensions of some Spicer transfer cases. The Spicer transfer case parts breakdowns listed here might help determine which case is on your rig! The Spicer Transfer Case Assembly and Disassembly manual will help you with any repairs!