I don't know... When I bought the 12 volt I used I picked the best choice of many form the shelf from the tractor repair place I worked at the time, it fit the tray as it was but later on I made more room and it was much easier to remove and replace.
If the tray needs repair now is a great time to make some more room.

You can't have to big of a battery (within reason) wink

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-