The Reddit Resource For Diesel Technicians

Where diesel techs help other diesel techs with questions, advice, how-tos, and - sometimes - sweet, sweet karma.

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Do i need Davies4?

Posted 24th Apr 2026u/Unable_Idea_8503

Looking for aftermarket Deutz diagnostics

Posted 24th Apr 2026u/Slight_Valuable6361

Today's Carnage.

Posted 23rd Apr 2026u/ethernalspartan

Can we just pad slap it? They want their truck back.

Posted 21st Apr 2026u/tickleshits54321

Is there a magic tool for these?

Posted 22nd Apr 2026u/TurboDeeez

2000 F750 Rear Leaf Spring

Posted 22nd Apr 2026u/MealParticular958

2009 dt466. Cranks no start when warm.

Posted 22nd Apr 2026u/AdGlittering7842

Anyone know what the hell this mystery box is?

Posted 21st Apr 2026u/Fart_Boy_4ever

Posted 21st Apr 2026u/One-Marsupial5933

Might be a little broken

Posted 21st Apr 2026u/Firm-Relation-7221

Posted 20th Apr 2026u/samuryz7

Anyone else ever worked on a Zipper?

Posted 17th Apr 2026u/Realistic_Emotion342

Are these “wheel stud installers” really needed?

Posted 16th Apr 2026u/Fart_Boy_4ever

Which 3/4 impact are you choosing?

Posted 15th Apr 2026u/CodyDaFreeman

Stay at Komatsu or switch to Volvo equipment?

Posted 14th Apr 2026u/luceegoocee

C15 In for head gasket, leaking from spacer plate

Posted 13th Apr 2026u/Wrong_Sprinkles_3122

Got me a extended cab finally for a recovery vehicle.

Posted 14th Apr 2026u/Tgambob

My office today

Posted 11th Apr 2026u/jmallen504

In frame overhaul on a Caterpillar C15

Posted 9th Apr 2026u/Wrong_Sprinkles_3122

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