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dd13-photo-med
Detroit’s DD13 is an inline, 6-cylinder design with an amplified common rail fuel system. It weighs 2,540 pounds and has power ratings from 350 to 470 horsepower and torque ratings from 1,250 to 1,650 lb.-ft.


Featured reviews:

94-truck fleet in Midwest

4.5 Rating
Reviewer Comments The last time I checked our fuel economy numbers the DD13s were getting in the low 9 mpg range. The engine is well built. My favorite feature is the Virtual Tech program that comes with it.

So far the engine has done a great job for us. It has very few issues and a solid support network out on the road. We’re getting the same performance of the DD15 with a more stout block and less issues — but better fuel economy. We had one engine we had to send to the dealer twice for a front seal leak. But the rest are doing quite well. The last time I checked our fuel economy numbers the DD13s were getting in the low 9 mpg range.

My favorite feature is the Virtual Tech program that comes with it. The software is easy to use. We are in the process of rerouting the air cleaners on the engine due to a gap issue. But for the most part it’s well designed.

Dealer and OEM support has been great both locally and out on the road. And, again, Virtual Technician is great on notifications — by far the easiest for warranty and support.

The engine is well built. We haven’t had to do too much to them. But they don’t appear to be too bad to deal with if you have to work on them.

See the breakdown
  • Suitability for your application/business 5
  • Overall reliability/durability 5
  • Overall engine design 4
  • Serviceability 5
  • OEM support 5
  • Dealer support 5
  • Fuel economy 5
  • Horsepower rating 4
  • Torque rating 4
  • Acquisition cost 4
  • Resale value 4

Private fleet on West Coast with 75 trucks

3.9 Rating
Reviewer Comments We don’t worry about fuel economy. We’re more concerned with horsepower and torque. And I like the bottom-end power we’re getting out of this engine.

It’s a nice motor. I like the way it runs.

I don’t like the plastic oil pan. We’ve already had to replace two of those.

We’re a building materials hauler and run in a lot of stop-and-go traffic. So we don’t worry about fuel economy. We’re more concerned with horsepower and torque. And I like the bottom-end power we’re getting out of this engine.

I’ve been turning wrenches for 40 years. Packaging on the engine is all right. I’d like a little more room to get to everything. It’s a little cramped for my tastes.

See the breakdown
  • Suitability for your application/business 5
  • Overall reliability/durability 4
  • Overall engine design 4
  • Serviceability 4
  • OEM support 5
  • Dealer support 2
  • Fuel economy 3
  • Horsepower rating 4
  • Torque rating 4
  • Acquisition cost 4
  • Resale value 4

Other comments:

150-truck general freight carrier in Midwest

REVIEWER COMMENTS

You can’t beat a Detroit! Back when they launched the Series 60 as the first electronic engine, I thought, “Man, Penske hit the nail on the head! This is the engine of the future!” And I was right: That’s been the case. It’s the best thing every and really, everybody else has copied that single-head design since then. It’s durable, reliable and easy to work on because you really don’t have to a whole lot to it.


*Averaged from 4 qualified fleet reviews

4 Average*
  • Suitability for your application/business 4.5
  • Overall reliability/durability 4.25
  • Overall engine design 4
  • Serviceability 4.25
  • OEM support 4.75
  • Dealer support 4
  • Fuel economy 3.75
  • Horsepower rating 4
  • Torque rating 4
  • Acquisition cost 3.75
  • Resale value 3.25