Check your starter cranking
sound against this sound file to see if rpm is fast enough.

www.peachparts.com/shopforum/diesel-discussion/288677-starter-cranking-rpm-sound-files.html

__________________
85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked