It's a Diesel Thing You Wouldn't Understand
Diesel is its own culture, separate from general mechanics — truck drivers and diesel techs both claim this one.
One design for this subject, on a Unisex Standard T-Shirt. If more appear in the same line they will show up here.
Diesel is its own culture, separate from general mechanics — truck drivers and diesel techs both claim this one.
Trade and profession shirts are specific on purpose. Someone who says they are a diesel will not accept a near-miss title, and the closely related jobs each have their own version — that precision is the whole point of the joke.
One design for this job so far. Check the wording matches the title they actually use before buying.
Best for someone a few years into the work — long enough that the job has its own vocabulary and its own complaints. For a new starter it can read as presumptuous, and for someone who has left the trade it reads as nostalgia rather than a joke.
Diesel mechanics work on trucks, plant and generators, and the systems are different enough from petrol work to be a separate trade.
The smell does not come out, and everyone in the family knows it.
Emissions systems changed the job substantially, and every diesel tech has views.
The wording only works when it names the exact job, so it is worth checking before you buy. Director, Dispatcher and Doctor each have their own page with their own designs, and there are more below.