Home > Agriculture > 2022 MK Martin MK5000 Gravity Box 2022 MK Martin MK5000 Gravity Box $25,995 Call 204-746-8441 Email Us Stock#: 21613 Overview Condition:New Stock Number:21613 Description Green Gravity Box In Stock, 605 Bushels, complete with 12 Inch Extensions, Roll Tarp, Horst 365 Wagon, 425/22.5 Used Tires, Viewing Windows, Road Lights, Front Ladder, Unloading Door, Includes Metering Door. Call Tanner, Ron or Mark for more details. 1-866-746-8441.