Newengines forCAT

Herald Sun - Motoring - - Big Wheels -

WITH the new CAT truck range now of­fi­cially launched, at­ten­tion is fo­cused on which en­gines will be un­der the bon­net of trucks built this year.

NC2, the joint ven­ture be­tween Nav­is­tar and Cater­pil­lar, built the ini­tial batch of CT610 and CT630 CAT trucks with CAT C13 and C15 CAT ACERT en­gines.

These en­gines do not meet the new ADR83/03 emis­sion reg­u­la­tions that came into ef­fect on Jan­uary 1.

CAT trucks with the C13 and C15 en­gines built and plated be­fore the end of last year can be sold this year, but any new trucks will need cleaner en­gines.

With Cater­pil­lar pulling out of the on-high­way en­gine busi­ness, this means the CAT trucks will not run proper CAT en­gines. Given the rest of the truck is heav­ily based on In­ter­na­tional trucks, the nat­u­ral ques­tion is how much of the CAT truck is re­ally CAT?

NC2 says the CAT en­gine will live on af­ter the ini­tial batch of 300-400 CAT trucks with the C13 and C15 has been sold.

It has told Big Wheels that Nav­is­tar has bought the tool­ing for the 15-litre C15 en­gine block and will use it for a new en­gine that will be used in the CT630 as well as Nav­is­tar prod­ucts.

Wear­ing the CAT badge, this en­gine will use the head and other com­po­nents from the Nav­is­tar Maxxforce en­gine, which is based on technology sourced from Ger­man brand MAN as part of an­other joint ven­ture.

NC2 prod­uct devel­op­ment boss Thomas D. Baugh­man says the en­gine is a great com­bi­na­tion of tech­nolo­gies.

‘‘ We’ve taken the most com­plex parts of the en­gine and cap­tured them from Cater­pil­lar. We have taken the pieces that are state-ofthe-art and very timely such as tur­bocharg­ing, the fuel in­jec­tion and elec­tronic con­trols and from the MAN side of the house.’’

The 13-litre en­gine for the CT610 will have no CAT DNA and will sim­ply be a Maxxforce en­gine, which is es­sen­tially a MAN D26 tweaked for the US mar­ket.

Both en­gines are ex­pected run ex­haust gas re­cir­cu­la­tion EGR, for some time, al­though NC2 says it will use se­lec­tive cat­alytic re­duc­tion ( SCR) sys­tems in some mar­kets other than the US and Aus­tralia, de­spite be­ing strongly op­posed to the technology.

En­gine up­grade: the new CAT truck.

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