260hp ISB Injectors

[JJoiner]

Not quite sure where to post this so please excuse me if I posted this in the wrong place. The oilfield construction company that I work for has a 2005 Kenworth T300. It has a 260hp CR Cummins w/ a Allison transmission. I was told to find a module/chip for it but no one makes one that will work with that set up just yet, so I thought about changing the injectors in it. Question is, does any one know by chance which model year injectors it has; '03-'04 or '04. 5-current. We just changed injectors in my '03 F-650 to some 50hp but it has the old '98. 5-'02 24v Cummins. Thanks for any help ya'll can offer, John