ALLEN MY DAD RUNS A LOCAL AGCO DEALER IN SHELBYVILLE KY 25 MILES EAST OF LOUISVILLE. STARTED PULLING WITH A WD-45 DIESEL EARLY 70s IN LATE 77-78 HE  GOT THE D-21 IT WAS A JUNKER. OF COURSE HE LIKE A LOT OF OTHERS STARTED OUT SINGLE CHARGER IN THE  REAL CLASSES YOU KNOW 95 12,5 15OOO CLASSES. IN 78 WENT TO THE 2 CHARGER LOTS MORE POWER  RAN SEVERAL NTPA HOOKS 82 WENT TO THREE CHARGERS TO RUN WITH THE REST OF THE GROWING SUPER STOCK CLASS WE RAN 3 CHARGERS FOR YEARS UNTIL 89 DAD DECIDE IT WAS TIME FOR A FOURTH AND FINAL ADD TO THE TRACTOR. AND FOUR CHARGERS WAS THE ANSWER UNTIL THE HEAVY CLASS WAS GONE DECIDE TO PUT THE TRACTOR ON A SUPER AND I MEEN SUPER DIET THE TRACTOR WEIGH 7200 LB. AND WE GRINDED AND CUT , AND CUT UNTIL SHE LOST OVER 2000 LBS AND MAN DID THE GUYS FUSS OVER US BRINING IT DOWN TO THE LIGHT CLASS AND WE STILL TODAY HOOK IT IN THE HEAVY CLASS THE NAME OF THE TRACTOR WELL LETS SAY THIS RAGS GET LEFT IN PIPES FROM TIME TO TIME. IT IS ALL D-21 UNDERNEATH WITH THE NEW ACGO TIN ON IT. WE LIVE AND DIE ORANGE AND NOTHING ELSE. WERE BUILDING A LIGHT SUPER FARM TO RUN IN STATE  ITS A 190 REAR-END AND A 426 ENGINE.