Based on your search for the Traulsen 52” Two-Door Refrigerator with Casters, it appears you are likely referring to a model within the G-Series (Dealer's Choice), specifically the G20010 (or a closely related variation like the pass-thru G21017P).
The reference to "MF-2017" in your query may be an internal manufacturing date or a specific part of a serial number, as Traulsen’s primary model numbers for 52" units follow the G-Series or R-Series conventions.
Core Specifications (Model G20010)
This is the standard 52" two-section reach-in refrigerator that matches your description.
no manufacture warranty