I'm just taking an educated guess at it but from what I see on the proline bodies and what WF posted above Id say that theres a good possibility that it would fit.
My best guess would be yes if its an original TMAXX body. I base that on the fact that the Proline bodies I looked up that are compatible with the TMAXX also say they are compatible with HPI Savage (original). The 3.3 TMAXX has a longer wheelbase than the older TMAXX and I would bet that the...