Specifications include, but are not limited to: Two (2) new and unused Freightliner 114 SD Conventional cab chassis or equal. Chassis shall be equipped with diesel engine, turbo charged and after cooled, DD13 producing 450 HP @1625 RPM or equal. Batteries shall be a minimum of Group 31, 12 volt maintenance free, 2250 CCA, threaded stud batteries secured in a single battery box. Front steer axle shall be set forward type. Chassis shall be equipped with an Allison 4000 RDS automatic transmission or equal with PTO provision. Front axle shall be a Meritor MFS-20-133A 22,000 pound, wide track, I-beam type or equal. Minimum weight rating shall be 22,000 pounds. Front axle shall be equipped with 22,000 pound leaf type front suspension.