Specifications include, but are not limited to: Purchase of four new 81+ Passenger Type D Front Engine School Buses, for the purpose of transporting students. Delivery of buses by October 1, 2018 or as deemed acceptable by the awarding authority. 1. ACCESSORY POWER SOCKET: Provided in dash area for cellular telephone, socket to include protective rubber cap. 2. ACOUSTIC HEADLINE: Acoustic perforated headlining driver’s and first section. 3. AIR CLEANER: dry type with easily changeable element, isolated from direct road spray. AIR CLEANER MUST ALSO SUPPLY AIR FOR AIR COMPRESSOR 4. AIR RESTRICTION INDICATOR: indicator installed to monitor air-flow from cleaner to engine. 5. Air Dryer – Bendix AD-9 air dryer installed between air compressor and wet tank with heater or equivalent. 6. ALTERNATOR: rating of 240 amps. Lecce-Neville brand or equal. Output atidle minimum 135 hot, 161 amps cold. 7. AUXILIARY FANS: Two six inch fans mounted top dead center over each windshield controlled by a two speed switch. 8. AXLE, FRONT: 13,200 lb. minimum rating front axle or sufficient for the weight distribution of the quoted engine. The front axle must be covered in the 5 year bumper to bumper warranty. 9. AXLE, FRONT, BEARINGS: petroleum lubrication required 10. AXLE, REAR, LUBRICATION: petroleum lubrication required 11. AXLE RATIO: Geared appropriately for the specified transmission (Allison 2500 or alternate). NOTE: see #s 52, 129, and alternate. 5 year warranty required. 12. AXLE,REAR: minimum rating 23,000 pounds 13. BATTERIES: BATTERIES: located on left side of body on heavy duty slide out tray, 3- Group 31 12- volt battery, minimum of 2700CCA. 14. BACKING SAFETY HORN: 112db activated when bus in reverse gear.