Jerry Biro. Engine appears to be small Waukesha or Onan. Jerry is very professional and has spent 40 years specializing in obsolete Waukesha, Continental and Hercules Engine parts. I have shipped a few tons of NOS parts to him myself.
Hercano Propulsion, Newark Ohio. Do a Google.
I think I remember his number.
740-745-1475, Fax 740-745-2475. 8-5 M-F
44 MB 356378- 54 M-38A1-41 CCKW 352-51 M-37-42TW6-45MBT-43 M1 BOMB LIFT (WEAVER)- RECORD SETTING HONOR GRADUATE Wheeled Vehicle Mechanics School, U.S. ARMY 1960 - US ARMY ORDNANCE SCHOOL 1962 - MVPA 1064 - RED BALL CHAPTER - PHONY VETERAN HEADHUNTER - ARMY FIXED & ROTARY WING MECHANIC/CREWCHIEF-STILL FIT WARBIRD COCKPITS