gwoods, Try finding someone who does plastic welding.Should
be a few of those guys around.
If you want more responses,try posting this in the commercial
lawn care forum. This is the tractor forum. I own a Walker GHS
and they're certainly not tractors.
My box developed a crack where the grass chute enters the box. So a strap & pop rivets was not possible due to the location. Now my box looks like new.
Either way I had to stip down the box to get to the crack so I didn't want a repair that I may have to re-repair later. Total cost for the repair + mods to the frame to prevent it happening again $125.00. So all up not a bad deal.