I PURCHASED A SUPER GLIDE HITCH MANUFACTURED BY PULLIAM ENTERPRISES. THIS HITCH UNLIKE ANY OTHER RV HITCH REQUIRES A VERY HIGH MAINTENANCE SCHEDULE AS IN DAILY, UNLIKE AND OTHER 5TH WHEEL HITCH IF IT BINDS EITHER DUE TO A LACK OF MAINTENANCE OR AN ITEM LOCKING THE HITCH UP WILL CAUSE THE 7K POUND -25K POUND TRAILER TO COME LOOSE RIP THROUGH THE TAILGATE AND HAS THE POTENTIAL TO BECOME AN UNCONTROLLABLE MISSILE SHOULD THE BREAK AWAY SWITCH FAIL TO ENGAGE. NO OTHER 5TH WHEEL HITCH HAS THIS DANGEROUS FEATURE. ALSO THE SAME HEAD IS USED FOR ALL WEIGHT LOADS. THEREFORE ALL HITCHES SHOULD HAVE A SAFETY BACKUP CHAIN SUFFICIENT TO ARREST THE TRAILER SHOULD THIS HITCH BIND FOR ANY REASON AND DESTROY IT'S SELF. I HAVE THIS HITCH AND IT CAME APART AND CAUSED $7500 IN DAMAGE. PULLIAM AFTER MANY DISCUSSIONS IS VERY OBLIVIOUS TO THE FACT THAT DAMAGE OR RISK OF DEATH OF THIS SORT IS JUST UNREASONABLE WHEN PULLING AN RV. THEY TOLD ME THE DEFACING OF THE METAL PARTS WAS ACTUALLY A GOOD THING YET THE DENY WARRANTY COVERAGE WHEN THERE IS DEFACING OF THE WORKING SURFACES. THE WORKING SURFACES ACCORDING TO THE MANUAL ARE TO BE SPRAYED WITH GREASE OR GRAPHITE WHICH ARE UNPROTECTED FROM DUST OR ROAD DEBRIS WHICH ADDS TO THE MARRING IF THE WORKING SURFACES BECAUSE THE HITCH WEIGHT SCRAPES OF NEARLY ALL LUBRICANT ON THE FIRST PASS LEAVING THE BARE METAL TO GRIND AND WEAR DOWN THE WORKING SURFACES TILL THEY EVENTUALLY GALL CAUSING THE HITCH TO SUCCUMB TO TORQUE EFFECTS WHICH THEN DROPS THE RV TYPIC