A safer method to unload pallets: Lift pallet from the truck bed just one inch, maintaining the tractor motionless, brakes applied. Have an assistant very cautiously drive the truck out from under the load, then move the truck out of the driveway. Maintaining the tractor motionless, slowly lower the FEL and load to minimum ground clearance height, release brakes, then transport. You would have had driveway space to maneuver the tractor and for the ROPS to be safely erected. ((However, from summed [safe] operating experience of having owned three tractors, I would have tossed the pavers from the truck bed to the ground, then loaded the pavers on pallets.

)) Lowering the Backhoe bucket, so bucket is level with, or lower than rear axle height improves stability. Picture #6.