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Break-in period ?

OuterUB

OuterUB

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'Mornin fellas .....

How long (miles?) is the recommended pre-towinng break-in period on a 2500 diesel with 68RFE ?
 
Cseybert said:
500
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That's what I thought... Ain't gonna make THAT by Thursday afternoon when we pull OUT. Delivery of the truck is supposed to be this afternoon or tonight so that means no way will it be ready prepped and 500 Miles'd by Thursday night.
 
The break-in period for the truck is going to be more for the ring and pinion. That Cummins is actually gonna like developing some heat right away.
 
Not to worry, the breaking is strictly for the rear end, just don't over do it.
There's been many reports of towing right away and no aftereffects after big mileage numbers
And many who claim the best break in method is towing
 
I'm thinking you guys are right... The new 2500 can tow almost 20,000 lbs, and my trailer weighs about 7,500 lbs.

I could reasonably put a couple hundred miles on it Wednesday after school if it shows up at the dealer tonight. They're anxious to get my trade in back cuz it's on its way to the state's the moment they get it.
 
OuterUB said:
I'm thinking you guys are right... The new 2500 can tow almost 20,000 lbs, and my trailer weighs about 7,500 lbs.

I could reasonably put a couple hundred miles on it Wednesday after school if it shows up at the dealer tonight. They're anxious to get my trade in back cuz it's on its way to the state's the moment they get it.
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I towed with mine right away no issues in 50k km of hard work and fun
 
Funny this thread just showed up. I've been a tiny bit concerned about towing right out of the box. My truck is in KC and the dealer says is due on his lot "any day now.". We're supposed to pull out with the camper on the 18th. So IF it shows up, we may literally be hooking up the camper with less than 100 miles on the truck. The camper is not big or heavy and I can take it easy on things for the first few hundred miles. I can't imagine why it would be an issue but reading some of these posts makes me feel a little better about it.
 
Blythkd1 said:
Funny this thread just showed up. I've been a tiny bit concerned about towing right out of the box. My truck is in KC and the dealer says is due on his lot "any day now.". We're supposed to pull out with the camper on the 18th. So IF it shows up, we may literally be hooking up the camper with less than 100 miles on the truck. The camper is not big or heavy and I can take it easy on things for the first few hundred miles. I can't imagine why it would be an issue but reading some of these posts makes me feel a little better about it.
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Yahhh... Same.

I imagine if we were towing 15K plus the responses might be a little bit different.
 
Diesels do much better when put under load. It keeps the pipes clean.

My buddy who is a diesel mechanic always says “Drive it like you stole it”


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G’Dave said:
Diesels do much better when put under load. It keeps the pipes clean.

My buddy who is a diesel mechanic always says “Drive it like you stole it”


Sent from my iPhone using Tapatalk
Click to expand...
I've heard that said so many times by long time drivers. They also say to break it in right, carry a load or tow.
 
Diesel engines in general should run harder in the break in period. There is always a risk of glazing if the load is to light. i’m sure towing a trailer is only beneficial for the engine break in.
 
I did some research on break in and towing today. This comes from the 2022 HD owners manual:-
e41fe39f053392a4039bf1c00d98d342.jpg



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