Isb/qsb

[zues]

What is the difference between the two engines.

 

[LETHLISB]

Qsb

The QSB is basically the construction/agriculture version of an ISB. I believe they range from 110hp to 275hp. You can get a QSB in 12 valve or 24 valve. I've seen them in road graders. There are other differences that I can't think of off the top of my head.