From tractordata you may have difficulties allowing for the weight of QH, bucket and forks, or QH and QH forks?
Lift to full height (at pin):1,131 lbs [513 kg]
Lift to full height (at 500mm):855 lbs [387 kg]
Lift to 1.5m (at pin):1,490 lbs [675 kg]
Lift to 1.5m (at 500mm):1,182 lbs [536 kg]