Paccar MX13

I have a 15 model, seemed like it started to wake up after the first valve adjustment at 60,000. Every day after that seemed to improve up to about 90,000.

Is it in a W900 B, or L?

 

It’s at full power now .....lol.

 

Smoking Gun: Emails Show Volvo Trucks Initiated EPA’s Rigged Testing of Glider Trucks

Would be nice to see brand new Cats in 2020 KWs etc. Looks like Volvo rugged the glider evaluation test to sell more of their new truck & engine combos.

 

510/1850 is the max factory setting for a Paccar MX-13. You might get a little more between 50,000-100,000 if you keep it pulling all the time (no cruise), but they are fairly gutless motors compared to 15-litre alternatives.

They only really wake up if you remove the thing choking them off.

 

The MX-13 I had at Magnum felt gutless, but honestly, I found myself passing more vehicles on hills than I would have imagined. So, it was pulling, but it didn't have that snap of boost like some of the previous engines I have driven. It was a broader powerband.

 

My t680 has the 510 / 1850 MX13, and I have to agree. Even at max weight (88K) across Oregon, we still kept up with traffic, and were faster up the hills than most. She doesn't feel snappy, but she pulls really well.

Only complaint is that she starts vibrating around 1200 RPM, so I grab a gear when I get down there, but then again, I don't like pulling down that low anyway.

I do love the wide power band. Compared to the 500 hp 60 series I drove before, it's way more forgiving to drive, and though the HP rating is the same, the MX13 pulls WAY better. Generally two gears up the hill.

 

As a former Rush Truck Center mechanic, I highly recommend a few things to you; whatever you do avoid unnecessary idling- this leads to excessive soot collecting in the DOC and DPF causing a parked regen (which may not work for you) or a derate.

Also, I recommend giving it back and getting a w900 with the Cummins X15...

 

Would it be ok in your opinion for a ten wheel dump truck

 

I'm looking at a 2016 579 with 450k. mx13 manual. Turn it into a 10 wheel dump. Any thoughts on this truck for the job.