REVIEW: Everything Wrong With A 8.3 Cummins Diesel

What could possibly be wrong with the 8.3 Cummins 6CT diesel engine?

Everything you need to know about the 8.3 Cummins 6CT/ISC diesel! P-pump vs CAPS, wet sleeve vs dry sleeve cylinders, and all the common problems. Did we miss anything? Leave a comment below. #RichReviews #EWWengines

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[DanielJaegerFilms]

2:24 my life is complete, I made it into one of your videos lol. I’ll definitely sleep well knowing I have an engine with your stamp of approval under the bed in my motorhome! 👍

[brandonb]

That's the smartest designed sleeve puller I have ever seen.

[davidrobinson]

I used to do a lot of work on the 8.3 in sugar cane harvesters here in Florida. The biggest issue we had was head gaskets. The machine was using every bit of power they would put out. If they didn’t keep the radiator clean they would over heat and pop head gaskets. They would pour coolant out from under the head. I believe there was an issue with the gaskets and we put a new style in and did a different torque sequence. I got so good at head gasket jobs that I could drive a machine in the shop in the morning, pull the head, clean it all up, pit it all back together and drive it out by that evening. Sounds easy if it’s on a stand but we did it in the machine and the motor was in the middle so a lot of stuff to take off to get to the engine and climbing up and down on the machine. After that they were good to go. Also got a few reman engines they the rear main seal plate wasn’t installed correctly so the oil pan didn’t seal and they leaked oil like crazy. That was always a fun fix because we had the pull the engine which was a job. enjoy your videos.

[titus]

You know a guy really knows a thing when he can explain it so simply and so well. I'm not a diesel guy, just someone who loves all kinds of machines and I always learn something from Rich and feel like I really understand all he explanations. Thanks!

[Mayamax]

I definitely know a lot more about diesel engines than I did 20 minutes ago.
As usual, experience is the name of the game.
Nice work Rich.

[schwags]

This is the best 8.3 video I have ever seen. This engine is my bread and butter. I run them in snow-cats and routinely see over 10, 000 hours on them. Thank you.

[nou]

"The 8.3 cummins is heavy" laughs in 2 stroke detroit

[matt_ChevyCo]

You're videos are top-notch! I worked for John Deere for a few years and shadowed several field mechanics. Watching you is just like hanging out with a senior tech. Lots of great knowledge and no bs.

[nyleluke]

94 8.3 with P pump, you just saved me some time, I have been told several times to take care of the KDP, but now I know it’s not an issue, thank you

[countryboysteve]

Also there was an update to the headgasket because they were prone to leaking at the front right corner. The head is almost always flat but it chafed causing a leak under load. Probably fixed 200 of these in the last 15 years

[chadparrish]

thank you for not having a 1 minute long intro with terrible music and bad footage! thanks for the great content

[stanleyflory]

I have a 8.3 Cummins in my "96" Monaco 38' MH, has 111, 000 miles on it, uses no oil between changes, runs like a top! Great explanation Rich, thanks for review!

[psygnsis]

Damn... those new lights and the floor have really upped your youtube game!
It looks so good now!

[scottyknot]

Waking up with my coffee.. Cant imagine a better way to start the day.

[sixtyfiveford]

7000 hours isn't much in the way of road miles if you want to compare it to vehicles. It's only around 300k.

[dontworryaboutit]

Dont forget that some wet sleeve engines have the o ring space built right into the block

[Jaxon-iuvb]

We have a 8.3 in a case tractor. It has 29700 hours and has never been touched. Still running good

[daveerald]

Had one spin the crank gear on the shaft, sheared the woodruff key right proper. Pulled gear, reinstalled, welded it to crank and sent it. Love the video, and yeah, just hoping that parent sleeved 3126 going in my truck stays good. Keep it up Rich!

[ChatBot]

Ill always remember a little Pete daycab single axle with a C8.3 we used to work on back in the day. Test drives were always fought over.

[matrixable]

I’d love to see your take on the 5 l Cummins that Nissan had