Warnings and Cautions - Section 22 OM2201 Page 22-6 A product identification plate is located on the right hand frame rail near the front bumper. This lists the vehicle model number, maximum G.V.W. and Product Identification Number. The Product Identification Number (vehicle serial number) contains information which will identify the original manufacturing bill of material for this unit. This complete number will be necessary for the proper ordering of many service parts and/or warranty consideration. The lubrication chart is located on the left hand front fender behind the ladder. Refer to Maintenance - Section 40, Lubrication and Service, for more complete lubrication instructions.