the 1/2T is 1300, 3/4T is 1400 - wouldn't 1500 be the 1T?
a 2nd series 1T GVW is 8800 w/ duals [19.5s] - the 1.5T [w/ 19.5 duals] is 12,000 GVW, the 2T [w/ 22.5 duals] is 16,000 GVW

so I'd think you'd be fine if it's 1T, iffy above that with the dump body on

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics