8″ x 18 #/ft Wide flange W-Beam mainframe 4″ x 5.4 #/ft Channel cross members on average 24″ centers. 12″ x 20.7 #/ft channel front and side rails providing 4″H elevation full front width and sides of deck. 4″ x 5.4 #/ft Channel cross members pierced through I-beam. Traction section – 28.25″W x 6.5’L w/ inverted angle installed each side of trailer – 3″x3″x.25″ angle except for rearmost angle @ 2″x2″x.25″. 5″ x 6.7 #//ft channel support under traction angles. 1″ x 2.5″ x 73.75″ Blade skid rails inside edge of traction areas – 1″ higher than angles w/ tapered end.