weights on Sumiko MDC800 versus MMT,FT3


Anybody knows if counterweights on those - MMT and FT3/FT4 are interchangeable with MDC800? I have the MDC800 but I only have 1 heavy (H) counterweight, wonder if those from other Sumiko's would fit?
Thank you
avs9
Addition, Sorry Avs9. I made a typo. You can use your H weight for the carts from 8 g.- 12 g. weight.

Regards,
Thank you, Nandric, the arm on MDC800 is 10.5 mm as my micrometer shows, the answer about that I got from someone selling FT3 on ebay was 'about 12-13 mm'. On the good side it is not less, but it doesn't look like they are interchangable as is.
Regards
Avs9, For your (global) orientation. Each next weight is about 10g. heavier than the previous one. I deduced the difference from 3 known weights. My Sumiko 800 had two weights + the wrench while 'my' machinist made the other
three for me. They are easy (for a machinist) to produce so
everyone who owns this 'better Breuer' should try (to find
some machinist).NB the user manual is available by the vinylengine.

Regards,