Parts & Manuals 1937 & 1938 American LaFrance

Need help identifying 1937 American LaFrance engine model. It’s orignial V12 400 series LAFD City 1 of 5 built. Serial number 7798.
Then, I have 1938 American LaFrance city service truck. 400 series LAFD City 1 of 2 built. Serial number 7818 This was repowered with 470 Hall – Scott.

Needing help locating engine manuals. Plus, locating American LaFrance radiator, oil caps, and emblem. Need help identifying a horn make as well.

Cafirefighter08@yahoo.com

Contact me at: Cafirefighter08@yahoo.com