Specifications include, but are not limited to: BASIC SPECIFICATIONS - 1.1 Shall be not less than 60,000 GROSS VEHICLE WEIGHT RATING.1.2 Wheel Base 1.2.1 Between 206-220.1.2.2 Rear axle spacing shall be 54-55 inches.1.2.3 Cab to trunnion shall be minimum 128 inches or greater as required to meet dump body specifications. This shall be clear and useable space above rails with exception that vertical stack with heat shield may extend up to six (6) in CT area as longas:1.2.3.1 Stack with shield is near rear corner of cab. Right side preferred.1.2.3.2 None of exhaust system in CT are crosses over chassis rails.1.3 Frame resisting bending moment shall equivalent or exceed 2,500,000 inch pounds.1.4 Hood shall be tilt forward hood/fender