I bought ten of these tires for my old military 6x6 that I use as a farm truck. The new tires came with new liners and tubes. These Sumitomos are way more tire than the original military NDTs that were on the truck. The ten tires add a thousand pounds of unsprung weight to the truck, are only slightly taller, and change the driving character of the truck more than I thought they would. I broke down the old tires and I stalled the new tires on the original lock ring wheels myself. That was a lot of work but went ok. Overall I am pleased with the purchase. I haven't used the tires much yet so I will update my review after I have had them a while and put them to use (plowing snow, hauling road gravel, around the farm, etc.) Simpletire is always great to work with. I had an issue at checkout and customer service took care of it, made me feel like they value customers and want to provide good service.

I bought ten of the Sumimoto ST900 tires in 10.00x20 to replace original military NDTs on my old military 6x6 that I use on my farm. They are much better than the original tires. They are slightly larger and significantly heavier, adding about a thousand pounds of unsprung weight which should improve traction off road. They changed the driving characteristics of the truck more than I expected. They came with new tubes and liners. I changed the tires myself breaking down the old tires, cleaning up the original lock ring style wheels, and installing the new tires/tubes/liners. That was a lot of work but went pretty straight forward. I have not run them much so I will update the review after I have had them through all seasons (plowing snow, hauling road gravel, dry, wet, etc.). So far I am pleased with the purchase.

I bought ten of the Sumimoto ST900 tires in 10.00x20 for my military 6x6 farm truck. The tires are slightly larger and a lot heavier than the original military tires which changed the driving characteristics of the truck more than I expected. They add a thousand pounds of unsprung weight to my truck, that should help traction. The tires seem to be well made and have great traction. They came with new tubes and liners. I mounted them myself on the original lock ring style wheels. That was a lot of work. I have not used them much yet so I will update the review once I have more details from use(plowing snow, hauling driveway gravel, summer, winter, etc.).

I ordered ten of these Sumitomo ST900 tires for my 6x6 dump truck. I had an issue at checkout and contacted customer service and they fixed the issue so I could complete my order. Shipping was great, tires arrived 5 on a pallet shrink wrapped with liners and tubes. I have not installed them so I can't rate tire performance yet. They appear to be well made with balancing dots on the tires like most high quality tires have. I will rate performance after I have put them to the test.