On US roads, for interstate travel, typically 54,000 lbs (assuming it's just a tandem axle truck). For intrastate usage, on secondary roads, it can vary between states. North Carolina weight allowances are based on both vehicle configuration and wheelbase length, for example.
Please tell me you're not an owner/op who doesn't know this. Your manufacturer's GVW is going to be the combined weight ratings of the tandem and steer axles. If you have 40k rears and an 18k steer, you have a manufacturer's GVW of 58k - your pushers are aftermarket, and are not counted in the manufacturer's GVW. As for legal GVW, that depends on bridge law formula, and what your state's disposition is on primary and secondary roads. The last dump truck I drove was a tandem axle T800. I could gross 54k on secondary roads, but only 51.5k on the Interstate.
Legally, on a 26,000 GVW registered vehicle, usually five or six. On a 33,000 GVW registered vehicle, perhaps eight to ten.
No way of answering the question without knowing which model Ford you had in mind.
Listed on the driver's door post.
The GVW can be determined using your vehicle identification number. There is a decoder located at this site: http://www.explorerforum.com/ntrprize/VIN.htm
GVW is gross vehicle weight which is different than GCWR (gross combination weight rating). Pulling a trailer weighing 10 tons should not cause you any problems. However I am assuming you have your dump tagged at a little less than 55,000 to avoid paying heavy use tax. Even if this is not the case and you have tagged it for a heaver weight be aware that pulling that trailer while dump and trailer are loaded may put yousignificantly over your tagged weight. Just watch your gross weight or you can re-tag your dump for 80,000. When GCWR is not available on the power unit DOT will add the GVW for the dump and the trailer to get a GCW (gross combination weight).
Should be 15000 Lbs GVW
14,000 - 16,000 lbs., depending on specifics.
You would have to define "typical". A dump truck could be anything from a Class 1 to a Class 8 truck. Assuming you consider a tandem axle dump truck to be the norm, the permitted GVW in most states would be in the vicinity of 54,000 lbs.
They exist. Can be anything from a Class 1 (0 - 5000 lb. GVWR) to Class 8 (GVW of more than 33,000 lbs.) truck.
Yes. Class B CDL applies to all single vehicles with a GVW in excess of 26,000 lbs.
Legally, as much as it's rated for. The legal GVW of a dump truck depends on configuration, local law, wheelbase, and other factors. For a tandem axle dump truck, they can typically legally carry between 13 and 15 tons.