Cummins QSK19 vs 23

[asylumxl]

Looking at Cummins engine range, I can't help wondering why they didn't use the QSK23 over the 19 in many modern DEMU/DMUs, being it's only slightly larger.

What advantages does the 19 have over the 23? They are both in the same tier for emissions, and the 23 isn't much larger.

Is it just purely cost and fuel-consumption related?

 

[222001]

Does the 23 have more power or something then?

 

[asylumxl]

Yes. 200hp more.

 

[Pumbaa]

Yes. 200hp more.

Well certainly won't happen any more now, EU regs are 700hp max per engine. The QSK19s are 750 anyway.

 

[222001]

Yes. 200hp more.

Ah right. Even though it would give more power I don't think any train would really need it that much. A 7 car Meridian has a total of 5250hp! Thats a lot to shift 7 carriages.

 

[kestrel]

Looking at Cummins engine range, I can't help wondering why they didn't use the QSK23 over the 19 in many modern DEMU/DMUs, being it's only slightly larger.

What advantages does the 19 have over the 23? They are both in the same tier for emissions, and the 23 isn't much larger.

Is it just purely cost and fuel-consumption related?

The higher power output is not required 750hp per car is more than enough oomph! also there is the problem of cooling, not much room underneath the solebar these days