Haven't time to look at tables now, but if the Hyne tables show Glulam beam the size you say the the larger size old dried HW will carry that too. Wouldn't be comparable if the HW was green, but at that larger size and age doubt it will be a problem - would have been over-designed in the first place.
Advice from me on this forum is general and for guidance based on information given by the member posing the question. Not to be used in place of professional advice from people appropriately qualified in the relevant field. All structural work must be approved and constructed to the BCA or other relevant standards by suitably licensed persons. The person doing the work and reading my advice accepts responsibility for ensuring the work done accords with the applicable law.