c. Open Top Trailer General Specification Color: Silver Trailer Length: Min 45’ Inside – Max 45’ 3” Outside Trailer Width: 96” Inside – 102” Outside Trailer Height: 102” Inside Fifth Wheel Height: 50” d. Tires, Rims, and Wheels Tires: Eight (8), Tubeless Goodyear 11R24.5 G289 16 ply tire – or equal Spare Tires: One (1), Tubeless Goodyear 11R24.5 G289 16 ply mounted on rim – or equal Rims: Eight (8) tubeless steel disc rims, painted in an appropriate finish, measuring 8.25” x 24.5” with piloted hubs, for tires specified above Hub Odometer: Yes e. Body Construction It shall be the responsibility of the successful bidder to provide a trailer which will be certified as an 80,000 lbs. G.V.W.R. trailer, and referenced as such on the certificate of origin, and said trailer will qualify to apply for a Massachusetts Reducible Load Permit of 99,000 lbs. Steel: The entire body structure shall be constructed of a minimum of 12 gauge, hi-tensile steel with a minimum of 50,000 pound yield strength and continuously welded into an integral assembly. Sidewall: The sidewall shall be 102" high and be constructed from 12 gauge, 50,000 pound hitensile steel. Vertical Bracing: Shall be of 3" x 6" formed channel 12-gauge hi-tensile steel set at 90° to the bottom rail on 24" centers and continuously welded to the body side walls. Top Rail Cross Brace: Top rail cross braces (Center and rear) will consist of 4” X 4" X ¼” tubing. The 4" X 4" X ¼” box tubing will be bolted to a 1/4" steel bracket, which will be bolted with through bolts to the top rail. Cross braces, brackets and bolts will be level or just below height of top rail. Tailgate: The tailgate shall be a one piece barn door type constructed of 12 gauge 50,000 pound, hi-tensile steel with vertical and horizontal bracing. The door shall have four (4) piano type hinges. The door shall have a four (4) point manual latching mechanism with a positive cam locking design to eliminate accidental opening, with safety chain. Bulkhead: The bulkhead shall be a wraparound design, constructed of 12 gauge 50,000 pound hitensile steel. Cross members: Shall be minimum 4" jr. I-Beams set on 12" centers to provide full cross sill construction Longitudinals: Longitudinals shall consist of two (2) 10" x 17 lb/ft I-Beams running from the rear to the landing gear. Rear Post: The rear post shall be 4" X 3" X 3/8" hi-tensile steel structural tube, plugged welded. Box Bracing: There shall be one (1) row of box bracing on each side ¾” above the bottom rail. Top Rail Cap: There shall be a top rail cap (minimum size 4" x 6" x 1/4") flush inside the full length of the top rail. f. Underbody Construction Suspension System: The suspension system shall be a tandem bogie system with cast spring hangers and pivot supports. The spring suspension shall have a 52,000 pound capacity. Axle Beams: Two (2) ea. 5" round axle beams with 5/8" wall thickness and a combined capacity of 52,000 pounds. g. Brakes Brakes: Air-operated, S-Cam type 16 ½" x 7" with type 30 spring chambers to provide for emergency and parking brakes – ABS Anti-Locking System.
