The date on the photo on NERAIL for #10 is incorrect... 1981 possibly, but not 1991. #10 did run briefly at Essex in the 70s.... there's a clip of it running in the Mark 1 Valley Railroad video. By 1990, it was resting on Track 11 next to the engine house and not looking anything like that photo - the saddle tanks were stored in the South Yard for years.
#1109 replaced the #4096 in 1993 and only was in the front position on #7 track for the 1993 season, paired with CV Caboose #4014. She was replaced with U25B #2525 and VRR Caboose #4010 and the two remained there until August 1996. I've heard #1109 is now heading up the display track on the Naugy in Thomaston. #4014 also went to the Naugy, but before she left, in late 1994 or 1995, she ran behind the North Pole Express.
The fireless cooker, #3, was stored for many years in South Yard, not looking much more than a rusted out tank car with a few items sticking up. I thought it would rust there forever until mid 1995 when it came in the shop for refurbishment. Today she's on display at the Tanger Outlets a few miles down the road in Westbrook. It was strictly a cosmetic restoration and was fast-tracked. I think it was less than 6 months.
M-55 was partially restored in the 1980s but by 1994, it became a parlor car seat storage area. At some point in the late 90s, she left for FL for full restoration, ran for a while on the Mt Dora Scenic Railway in FL, then on the Bel-Del in NJ, and has now disappeared. I envisioned the M-55 running the Saybrook Shuttle.