Mr TreeLife, what you are doing for your father is a great gesture in today’s time.
I may be of assistance to you. I am a retire senior with many saws in my collection. You must remember a few things about older seniors. Saws with too much compression maybe hard to start without a decompression valve, saws that weight too much will tired them faster at the end of the day. These are some of that factors I found for myself as I got older.
I could bring down to you and your father and let him see, start, and cut with the saws. This way he will have a better idea what would fit him the best. I have the following saws I could bring down:
Husqvarna 562xp, 555, 550xp, 545, 550xp Markll, Stihl MS261CM
I am about 2 1/2 hours away from the Berkshire County, MA.
Let me know if I can be of assistance. Thanks.
Jack