The National Cemetery Administration (NCA) has a requirement for repair of John Deere 310SL Backhoe Loader. The vendor shall provide all labor, materials, and expertise of John Deere qualified mechanics required to make repairs by installing new diesel exhaust fluid (DEF) header assembly. The repair consists of cleaning the DEF tank, hydraulic hoses, and adjacent areas prior to replacement. DEF tank removed, cap screws and plate bracket removed from the DEF header assembly, removal of retention plate bracket and DEF header assembly. Installation will consist of the new DEF header assembly, reassembly and operation check of the entire system. All repairs and servicing shall return the backhoe loader to operational condition. The equipment will need to be picked up, repaired and returned to Fort Sam Houston National Cemetery.