Granite Industries made in USA Multi-Mover - Heavy Duty Solid Steel Commercial Grade Hand Truck with Adjustable Never Flat Tires and 4 Positions, 750-Pound Weight Capacity
This is the biggest hand truck you've ever seen (copied from AMAZON)
https://www.
amazon.
com/Heavy-Dolly-Multi-Mover-67243/dp/B00K2C7VC6
750 LB WEIGHT CAPACITY - Carry up to 750 pounds with this durable commercial mover that combines carry capacity with a more lightweight and easy to move frame
NEVER FLAT TIRES - These 13-inch pneumatic tires are made from closed-cell foam that prevents water from wheel absorption and are both flat-free and maintenance-free, with UV and ozone resistance and high abrasion resistance, so your tires will last almost forever!
SOLID STEEL FRAME - Made from solid steel and painted a high visibility yellow, this multi-mover can handle the toughest loads, such as inflatables, tents, portable toilets, propane tanks, roofing materials, plants, tables, chairs, and many more things as well
10" closed-cell tires designed to never go flat
Rear wheels are designed to fold down, allowing for increased carrying capacity.
https://www.
amazon.
com/Heavy-Dolly-Multi-Mover-67243/dp/B00K2C7VC6