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.
| Model | MK 3200 | MK 5000 | MK 6500 | MKGW12000 | ||||||
| Extension | N/A | 8" | 19" | N/A | 8" | 12" | N/A | 8" | 12" | N/A |
| Capacity (Bushels) | 320 | 375 | 450 | 500 | 570 | 605 | 645 | 745 | 800 | 1,200 |
| Hopper Construction | 14 GA. | 12 GA. | 12 GA. | 12 GA. | ||||||
| Under Structure | 3" x 6" x .188 wall rectangular tube | 4" x 8" .188" wall rectangular tubing |
4" x 8" .188" wall rectangular tubing |
4x8x.25w | ||||||
| Unloading Door | 45" width | 57" width (standard) 28" width x2 (divider) |
57" width (standard) 28" width x2 (divider) |
15" length x 47" width X 2 | ||||||
| Chute Height | 17"-20" | 17"-21" | 16"-20" | 18" (Side Discharge) | ||||||
| Box Dimensions | ||||||||||
| Length | 158" | 158" | 158" | 196" | 196" | 196" | 229" | 229" | 229" | 315" |
| Width | 96" | 96" | 96" | 101" | 101" | 101" | 115" | 115" | 115" | 110" |
| Height (less wagon) | 78" | 86" | 98" | 89" | 98" | 101" | 91" | 99" | 103" | 136" |
| Height (wagon & 22.5" wheel) | 102" | 110" | 122" | 123" | 131" | 135" | 125" | 133" | 137" | 156" |
| Weight (LBS.) | 1,980 | 2,130 | 2,270 | 3,610 | 3,845 | 3,915 | 4,645 | 4,915 | 5,005 | 17,500 |
| Wheel Base | 112" | 142" | 156" | 215" | ||||||
| Suggested Wagon | 275 Horst Wagon - 425/22.5 Tires | 365 Horst Wagon - 425/22.5 Tires | 485 Horst Wagon - 425/22.5 Tires | 608 Horst Wagon- 425/22.5 Tires (with brakes) | ||||||