MK Martin - Gravity Box

The MK Gravity Box comes in three models, available with optional extensions. Ranging from 270-745 bushel capacities, we have the perfect sized Gravity Box for your operation. Available on the proven running gear from Horst Wagons, or as a box-only model to place on your own wagon, you can rest easy knowing that the MK Martin Gravity Box is going to get your load where it needs to go.