#5283 (#032310A) - LGTH: 44 1/8" - Flanges: 6 5/8" wd. 7 1/4" dp.

Western Star side frame

This frame has a 5/16" NC threaded nut in each gusset, two "ears" with 3/8" threaded nuts to mount CAC, two 1/4" NC threaded holes along the same edge of the "ears" and four !/4" NC threaded holes along the opposite edge, and 14 3/8" NC threaded holes an the back of the frame.
The flanges have 12 bolt holes - eight 3/8" diameter clearance holes, and four 5/16" NC threaded holes.