Torque wars continue in the diesels

DSteiner51 wrote:

ShinerBock wrote:

DSteiner51 wrote:

We had a Cummins 5.9 in a farm tractor. Loved the sound but soon learned the 5.9 wasn’t really built for farm use. Seems at approx 6000 hrs numerous tractors were ready for overhaul. Pistons came from Brazil, oil pumps came from China. John Deere, New Holland, using their own engines and the Case IH using the larger Cummins all seem to get 10,000+ hrs before overhaul.

The 5.9/6.7 May be fine for trucks that don’t demand full power for hours on end but farm tractors... I’ll pass.

I believe the engine in the Case was an Iveco/CNH 5.9L, not a Cummins 5.9L. Many people thought they were the same since they had a joint agreement to share technology and the displacement was the same, but they were different down to the block and bore/stroke ratio. In fact they shared very little common parts. Cummins mostly made their own while Iveco/CNH outsourced them.

JCB Fastrac tractors used the Cummins 5.9. 6000 hours was about it. CaseIH, those I’m familiar with used other Cummins engines with better longetivity more in line with John Deere, New Holland, and others.

I’m not knocking the 5.9/6.7. It may be just fine in a pickup truck where it only runs max performance for short spurts but it just isn’t what it’s bigger siblings are at all contrary to what some want to claim.