Good advise for cold starting. I am as well a Northern Field Mechanic working on CAT.
If you cant get to the starter or just dont feel like rolling in the dirt hook up your booster cables, run the boosting vehicle at a elivated idle and just sit back and relax for 20mins before attempting to start it.
There are all sorts of tricks for getting a diesel to start, some are better then others for both sucess and engine life