Why do long haul truckers warm up their engine for 30 minutes before leaving?
In: 1252
I drove truck for a year, you don’t have to warm up your engine for 30 minutes.
A lot of long haul truckers without APUs will just idle their trucks all the time for the AC/heat and electricity. There’s no need to have the engine warm for the pre-trip. You can check your oil warm multiple times throughout the day.
The one caveat is if they’re running an ancient engine that they’re still using because they’d rather have a shitty old engine that is grandfathered in and doesn’t need to meet a lot of new emissions standards. Those older engines probably run quite rough until they’re warmed up and don’t have a lot of the quality of life improvements newer engines do.
Latest Answers