I have 70 amp. Breaker, and has 2 unit /motors to be hooked up
Combined load of motors 49 amps.?

The breaker is intended to protect the wire which for 70amp would be #6. You can connect (2) loads to one breaker, as long as each of the loads is protected at their rating, usually done through a disconnect switch with fuses. Additionally the breaker should not be loaded more than 80% for a continious load (more than 3 hours) and for a motor load, should be sized 125% of the FLA.

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Originally Posted by Noriel

I have 70 amp. breaker,,and has 2 unit /motors to be hooked up
combined load of motors 49 amps.??????

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Are you asking how this should be done? Or are you asking if it is OK?

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Originally Posted by Nordic58

The breaker is intended to protect the wire which for 70amp would be #6.

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This would only be true for THHN conductors in conduit. #6NM cable is only good to 60A