07 Pete 379 sells for $280,000

Nothing started until model year 2004. My FLD was a 2003 and was one of the last Detroits with no emissions. My brother bought a 2004 379 and it was a bridge Cat prior to the twin turbo Acert. I got a new 2005 working for my old boss and it was one of the early twin turbos.

 

@rollin coal is right. Egr started with an engine manufacture date of 2003. Dpf started with engine manufacture date of 2007.

Your ‘03 had an ‘02 built motor in it. Many ‘07 trucks have motors that were built in’06.

 

I remember Cummins was still putting pre-emission 5.9’s in RAM pickups (still Dodge at the time) up till partway through 2007 before switching to the 6.7 which rolled out EGR and DPF. (SCR was 2011 on most everything I believe, except CAT.)

That 2007 Pete might be the only one in existence that shipped with twin sticks AND an EGR system. I didn’t see the specs or know if they said what it had in it but it either had to be an EGR or ACERT engine right?

 

Yes and a manufacture date of 2003 is more than likely a 2004 model year. The DPF engines were manufactured in 2007 but came in model year 2008 trucks.

 

Yes and no. Ford is a great example. You can buy a ‘03 Superduty with either an emission free 7.3 or a egr equipped 6.0. It went by date of manufacture of the motor had nothing to due with the model year of the truck.

when the 07’s came out i was working at US Xpress, i got a brand new truck that year it was a 1st round truck and had a Cat manufactured in ‘06. The 2nd round of trucks for ‘07 had the new motors & had to use the ultra low sulfur diesel. I remember being happy i got the truck i did because i never had to deal with worrying about getting fuel.

 

I don't believe Cat ever put an EGR system on any on-road 15L engine that did not have the DPF as well.

 

Wrong, my 2003 KW was a bridge MBN CAT. All 2003 CAT'S were MBN. Some leftover MBN were in 2004 most 2004 were Acert. 6NZ is 2000-2002.

 

Cat had non Dpf available until they pulled out of the otr truck game in 2010. We had a 2010 C7 and I know a local tank company that bought 18 of them that year in 379’s. They had enough credits at the time to go that far past the 2007 regs. I guess everyone has forgotten that great speech Hope and Change Jesus gave at the Cat engine plant about getting them back in the truck engine business again as soon as they comply to the new 2010 Def requirement.
Around that time I hauled a load of aluminum scrap wheels into Newell/CMC in San Antonio and they had stacks of brand new C13 and C15 bare blocks sitting in the back that Holt/Cat had been bringing in to scrap. Looked like hundreds. The Yard manager said they are still going to be bringing more in.

 

I know they never did SCR because that was 2011 and they quit on-highway engines in 2010. They didn't do standalone EGR like everybody else I just read. It was part of the DPF that routed filtered/post DPF exhaust gas back into the intake which was definitely a clever idea compared to pulling dirty pre-DPF exhaust through a normal EGR system. The carbon buildup becomes a problem in typical EGR

 

Trucks manufactured before October 1st 2002 were pre emission. After October 1st 2002 they were mostly EGR only. Trucks manufactured after December 31st 2007 have DPF filters. My 2003 Peterbilt 379 was built on Sept 17th 2002. It had a 6NZ Cat if were 2 weeks newer, it would still be a 2003 model but with an MBN CAT motor. My 2007 W900 was built in 2006 and had a non dpf, NXS Cat. Sometime in the mid 2000’s, ALL trucks built in a calendar year were ALL branded the next year model. MXS engines were all built before Jan 1 2007 but were installed in 2007 model trucks so it’s possible that your engine was manufactured 12 months before the truck was…………gotta love the EPA for making everything sooo confusing!