Join Date: Jan 2001
Location: Archer, FL, USA
Feedback Score: 0 reviews
Re: Caterpillar 3126
i have a 3126 in a 2000 f650,the info i have is a fax i got from cat,it shows all the 3126 engines from 170 to 330 hp,the diff.are injectors,turbo housings,fan pulleys,nothing said about pistons.warnings about rad. size and intercooler size if going up to 300 from 170/190...the 330 is a rv/emergency vehical option.i think you could talk your cat guy into giving you the 330hp!problem is that to upgrade to higher hp there is a 750 dollar charge for the computer work,if your unit is still under warrenty,if out of warrenty its an hour of shop time,$50 at my local cat house..plus the injectors,plus the turbo housings.the pulleys are a judgement call,they just speed up the water pump to push more water for better cooling..3000 dollars to update mine to 300hp..i'm gonna wait till its out of warrenty to do it!!save 700 bucks!mine pulls very well and its a 190hp .the problem with these trucks is the rear end ratio,the highest that ford offers is a 3.91.you can get a 3.73 from rockwell,which is what i did,i changed from a 4.11.it was a good change but was still too slow,75 mph @2500rpm..the thing would pull like mad till 2200 then it was sit back and wait,so i put a aux.3 speed with overdrive in it,now 75 @2000!you can idle along @1500 no problem.now i need to recalibrate the speedo...
2000 f-650 crewcab,custom flatbed by owner,alcoas,regeared to 3.73,3 speed brownie,3126cat,allison auto,36'flatbed equipment trailer.more to come!