Hauling sand/small gravel in a gravity box wagon

RayP(MI)

Well-known Member
Any one try it? I have a project where I need to move some sand and small gravel from my pit to fill in a floor in a polebarn. About half a mile. Son suggested using a grain gravity box wagon. Have a couple 120 bushel available. I'm thinking the slope will be too shallow, and even dry sand will not flow out. Not planning to haul large loads, but if it won't self unload, it could be quite a nasty task with a hand shovel. Recently acquired a back hoe so loading is not a problem.
 
Corn will flow above 23 , beans at 25, dry sand at 34, wet sand at 45 and gravel about 45 degrees.

This is called the angle of repose.

Sand / gravel is much heavier, watch your load.
 
I've hauled fill sand in a 125 bu Gravity box. I had to pull most of it out by hand with a hoe. I also hauled pea gravel and wood chips with the same results but it would accomplish what I needed to do. I like my dump trailer I have now for that purpose allot better although I have allot more money invested in that as opposed to a small gravity wagon.
 
I would do a load or two, if you need more than that I think it would be a miserable deal and pretty easy to wreck the wagon. You could maybe go only 1/3 full, and you would be raking it out by hand.

Paul
 
By the time you fool with digging it out of the wagon you more than likely could just haul it bucket at a time in your backhoe faster/easier. Your not going to be able to put much in the gravity wagons anyway or you will over load them and the running gear.

Maybe look into renting one of those battery powered dump trailers. You could pull it with a tractor and haul few bucket full at a time. I know you can rent them around here.
 
Borrow or rent a dump trailer. Or get a owner operator dump truck to come out load him heavy twice (it only 1/2 a mile) and be done with it. Yes it will cost a little but then you'll be onto grading out the floor two days quicker. Sometimes its just better to throw a little money at a problem. Saves flat tires, broken wagons a lot of hand work. gobble
 
A dump truck or an old style barge box wagon with a hoist would be ideal for that task.

How many cubic yards do you need to fill in the floor of your pole barn? A cubic yard (27 cubic feet) would cover about 108 square feet three inches deep.

Sand and gravel might flow out of a gravity box better with a person walking around inside the gravity box to stomp material down to door. If that it isn't possible, it might be easier and faster to shovel/push sand and gravel off the end of a pickup bed than rake it out of a gravity box. If you need to protect the pickup bed, lay a sheet of plywood on the floor before loading. A cubic yard of sand and gravel will weigh around 2600 to 3000 pounds. A 3/4 ton pickup might haul about 3/4 to maybe one cubic yard per trip.

Price what it would cost to purchase all the fill you need and have it delivered. It might be about the same as your labor cost to load, haul and unload a small amount material at a time with a wagon or a pickup.
 
I did it with small stone. I think I went a mile or so ? Had a JD50 with # 45 loader. Used it to pull and fill the wagon. Only Issue I had was a hill on the way back ! I knew I had to gear down so I stopped at the top and did so. Well as I started down I wished I'd of selected a lower gear yet ! Engine wasn't holding it back so I got on the brakes. Good thing I had rebuilt them in the past. Had smoked the paint on the drums but didn't wreck.
 
Had a friend do that to put a gravel shoulder along his blacktop driveway through the woods. Said it didn't run out, had to drag it with a hoe. In his case it worked better than any other ideas and got the job done. You could block up the stringers opposite the door to get a steeper angle.
 
If that wagon is like our older gravity wagons from the early 1970's, the slope is rather flat, as compared to the newer ones. I don't think it will flow out worth a darn.
 
Keep in mind also that a dump truck/wagon/trailer has parallel sides so the opening is the same width as the material trying to slide out.

On a gravity box the opening pinches down narrow, so the material is more prone to "wedging" as it tries to flow out.

For any sort of sand/gravel to flow out of a gravity box, it would have to be very coarse and very dry. Any little bit of moisture and/or fine particulate, and it'll be packed in there like concrete.
 

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