Case A178745 Sleeve

The Case A178745 sleeve is a wear component designed for the torque converter housing assembly in Case construction equipment. It serves as a sacrificial wear surface to protect the housing bore from shaft friction and contamination ingress. Manufactured to OEM specifications, this sleeve ensures proper fitment and alignment within the torque converter pump and output shaft group. It is compatible with a range of Case tractor loaders and crawler tractors including the 550, 580, 650, 750, and 850 series. The component is typically constructed from hardened steel alloy to withstand high rotational speeds and hydraulic fluid environments.