The Proposer shall provide scheduled preventive maintenance (PM), remedial repairs, parts acquisition, and other associated services. The Proposer will furnish all necessary supervision, labor, parts, supplies and, with prior approval of an authorized fire department representative, sub-contract work, required to maintain the fleet in a state-ofrepair and service consistent with generally accepted fleet practices and as more specifically defined in this RFP. This is a one (1) year contract with the option to renew for two (2) additional one year periods, subject to the approval of both parties. PREVENTIVE MAINTENANCE: A preventive maintenance (PM) program will be established for all Fire vehicles and equipment that are the responsibility of the Proposer. Although subject to change as agreed by the Proposer and the Port Arthur Fire Department the PM work will meet the following minimumrequirements: As a minimum, the following items will be required during each PM. 500 Engine Hour or 6 month(per OEM recommendation) PM Service for All Apparatus Chassis: 1. Change engine oil and filter 2. Check crankcase filter on all Cummins engines. (a separate charge will apply if filter is needed) 3. Inspect engine air filter (a separate charge will apply if filter is needed) 4. Change fuel filter(s) 5. Change coolant filter(s) 6. Change DEF filter 7. Check transmission fluid and filter(s). Change per OEM recommendation with Transynd fluid. (a separate charge will apply if fluid and filter is needed) 8. Check transfer case fluid (if applicable) 9. Check differential fluid. (a separate charge will apply if fluid change is necessary)