Specifications include, but are not limited to: Specification A – Conventional Cab Ten Wheel Truck Tractor or approved equal Specification B – Ten-Wheel Truck Cab/Chassis 68,000 GVW Dump or approved equal Specification C – Six-Wheel Truck Cab/Chassis 39,000 GVW or approved equal Specification D – Six-Wheel Dump Truck Cab/Chassis 25,999 GVW or approved equal Specification E – Six-Wheel, 19,500 GVW, 4X2, Two (2) Passenger Medium Truck/Cab Chassid or approved equal Specification F – Ten-Wheel Aluminum Dump Truck Bodies 68,000 GVW or approved equal Specification G – Six-Wheel Aluminum Dump Truck Bodies 39,000 GVW or approved equal Specification H – Six-Wheel Medium Duty Aluminum Dump Truck Bodies 25,599 GVW or approved Specification I – Steel Flat Bed Truck Body or approved equal Specification J – Service/Utility Body, For 19.5 GVW Chassis or approved equal ; CHASSIS MECHANICAL: 2.1 G.V.W.R.: 62,000 pounds, minimum 2.2 Wheelbase: 209 minimum, CA 137 Minimum 2.3 The straight frame rail shall be constructed of "C" channel type 110,000 PSI yield strength single heat-treated frame minimum having a 26.5 in 3 section modulus ; Cab: Aluminum or steel galvanized inside and out, firewall to back of cab dimension no less than 51", 83 DBA, with tilting fiberglass hood stationary grill, and fenders with a stone and gravel radiator guard to be 10 mesh stainless steel screen.