Rear Tine Gilson Tiller, Serial number: 4347C1-691; Model: 51183 48222, year unknown, may need engine and/or parts. Inoperable. Buyer fully responsible for all aspects of removal including equipment and manpower. For additional information and appointment to remove contact lisa_garcia@nps.gov and Val Call at 915- 828-3251 Ext 2200 or val_call@nps.gov. 1475GS01290001