Main frame assembly

A main frame assembly for use in a skid steer loader machine, comprising:

• a lower frame assembly having a pair of spaced vertically oriented side rails, a front wall extending continuously between the side rails for connection therewith, a pair of spaced and separated transmission housings connected to the front wall and extending rearwardly therefrom a predetermined distance along a respective side rail;
• and
• an upper frame assembly having a pair of spaced tower assemblies, a pair of side members having front and rear end portions with each side member being connected to a respective one of the pair of tower assemblies and extending longitudinally therefrom, and a crossmember assembly extending between the pair of tower assemblies for connection therewith, the upper frame assembly being mounted to the lower frame assembly exclusively at a connection between the side members of the upper frame assembly and the respective side rails of the lower frame assembly.