A material collection parking system having a hopper connected to a rear discharge chute from a mower deck on a lawn tractor. The system includes a pair of front and a pair of rear parking support legs, at least one of the pairs of legs being independently moveable between a stowed position along a side wall of the hopper and a deployed position supporting the hopper on a ground surface. The material collection system has a low dump configuration and a high dump configuration providing unobstructed sight lines and rear visibility for the operator during rear collection in the stowed position on the lawn tractor.