Economy brake drum help

Hey all I can't for the life of me get these drums off have a bad seal so need them off. Tried pulley pullers, bar pullers, homemade pullers, heat, oil everything and went until I broke out a bolt hole and am upset and looking for any help possible, thanks!
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I'm not familiar with drum assembly or ever removed same,however from looking at pics you posted it appears drum setup is a 2 pc design same/similar to taperlock/split bushing design used for belt pulleys/chain gears in industral drives.

First thing clean paint/rust off end of axle,if there is a break line between drum & axle hub dribble some pb blaster,liquid wrench etc into break line & wait 1/2 hr/more after that with a block of wood & hammer try to drive drum off axle hub towards case,you'll probably find one/more set screws in axle hub locking same to shaft or hub will will have a split taper on it locking it to shaft when drum pulled up on axle hub,drum may be machined to lock on hub shaft key boss have a seperate sq/woodruff key to hold to axle hub or a tapered bore to match axle hub split bushing,either way something has to hold axle hub in position on axle be it set screw(s) or taperlock.
 

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