You need to get in touch with Landis Zimmerman (MR OLIVER-CLETRAC OF THE SOUTH EAST) at Zimmermans Oliver-Cletrac 717-738-2573. He is an expert on these crawlers and probably has all the parts and manuals that you need.<!-- s:D --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" /><!-- s:D -->