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What Is The Weight Of A Duramax Engine? (All 11 Duramax Engines Compared)

If you own a Chevrolet or GMC that was produced after 2001, then there’s a good chance you have a Duramax engine in it. If this is the case, there will, of course, come a time where you want to know your actual engine’s weight. Therefore we did our best to outline the 11 different Duramax engines and their weight (in pounds and kilograms) in the table below.

If you’re also interested in knowing in which cars each Duramax engine is used (and what the weight of that specific car is), then you’ll find that information further below. For each engine, we’ve outlined exactly in which car it was used and the weight of that car. Read on!

NameEngine Weight (lbs)Weight (kg)DisplacementCylindersProduction Years
LB7835378.756.6V82001 – 2004
LLY835378.756.6V82004 – 2005
LBZ835378.756.6V82006 – 2007
LMM835378.756.6V82007 – 2010
LGH835378.756.6V82010 – 2017
LML835378.756.6V82011 – 2016
L5P835378.756.6V82017 – present
LM2467211.833.0I-62019 – present
XLD28520235.872.8I-42012 – present
LWN520235.872.8I-42014 – present
XLD25approx. 450204.122.5I-42011 – present
  • A 2001 – 2004 LB7 6.6 V8 Duramax engine weighs 835 pounds or 378.75 kilograms.
  • A 2004 – 2005 LLY 6.6 V8 Duramax engine weighs 835 pounds or 378.75 kilograms.
  • A 2006 – 2007 LBZ 6.6 V8 Duramax engine weighs 835 pounds or 378.75 kilograms.
  • A 2007 – 2010 LMM 6.6 V8 Duramax engine weighs 835 pounds or 378.75 kilograms.
  • A 2010 – 2017 LGH 6.6 V8 Duramax engine weighs 835 pounds or 378.75 kilograms.
  • A 2011 – 2016 LML 6.6 V8 Duramax engine weighs 835 pounds or 378.75 kilograms.
  • A 2017 – present L5P 6.6 V8 Duramax engine weighs 835 pounds or 378.75 kilograms.
  • A 2019 – present LM2 3.0 I-6 Duramax engine weighs 467 pounds or 211.83 kilograms.
  • A 2012 – present XLD28 2.8 I-4 Duramax engine weighs 520 pounds or 235.87 kilograms.
  • A 2014 – present LWN 2.8 I-4 Duramax engine weighs 520 pounds or 235.87 kilograms.
  • A 2011 – present XLD25 I-4 Duramax engine weighs 450 pounds or 204.12 kilograms.

In Which Cars Was The Duramax LB7 Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2001-2004Chevrolet3500 Silverado HD                      5,654                      6,806
2001-2004GMC2500 Sierra HD                      5,408                      6,105
2001-2003GMC3500 Sierra HD                      5,734                      6,543

In Which Cars Was The Duramax LLY Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2004 – 2006Chevrolet2500 Silverado HD                      5,318                      6,064
2004 – 2006Chevrolet3500 Silverado HD                      5,664                      6,546
2004 – 2006GMC2500 Sierra HD                      5,117                      6,049
2004 – 2006GMC3500 Sierra HD                      5,664                      6,546

In Which Cars Was The Duramax LBZ Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2006 – 2007Chevrolet2500 Silverado HD                      5,308                      6,169
2006 – 2007Chevrolet3500 Silverado HD                      5,889                      6,537
2006 – 2007GMC2500 Sierra HD                      5,142                      6,169
2006 – 2007GMC3500 Sierra HD                      5,687                      6,537

In Which Cars Was The Duramax LMM Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2007 – 2010Chevrolet2500 Silverado HD                      5,276                      6,141
2007 – 2010Chevrolet3500 Silverado HD                      5,719                      6,308
2007 – 2010GMC2500 Sierra HD                      5,276                      6,141
2007 – 2010GMC3500 Sierra HD                      5,719                      6,308

In Which Cars Was The Duramax LGH Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2010 – 2017Chevrolet2500 Silverado HD                      5,630                      6,595
2010 – 2017Chevrolet3500 Silverado HD                      5,775                      6,968
2010 – 2017GMC2500 Sierra HD                      5,630                      6,601
2010 – 2017GMC3500 Sierra HD                      5,775                      7,297
2010 – 2017ChevroletExpress                      5,326                      5,362
2010 – 2017GMCSavana                      5,326                      5,362

In Which Cars Was The Duramax LML Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2011 – 2016Chevrolet2500 Silverado HD                      5,630                      6,595
2011 – 2016Chevrolet3500 Silverado HD                      5,775                      6,968
2011 – 2016GMC2500 Sierra HD                      5,630                      6,601
2011 – 2016GMC3500 Sierra HD                      5,775                      7,297

In Which Cars Was The Duramax L5P Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2017 – presentChevrolet2500 Silverado HD                      5,741                      6,689
2017 – presentChevrolet3500 Silverado HD                      5,985                      6,901
2017 – presentGMC2500 Sierra HD                      5,741                      6,689
2017 – presentGMC3500 Sierra HD                      5,985                      6,717

In Which Cars Was The Duramax LM2 Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2019 – presentChevroletSilverado 1500 4,700 5,050
2019 – presentGMCSierra 1500                      4,770                      5,270
2021 – presentChevroletTahoe                      5,473                      5,845
2021 – presentChevroletSuburban                      5,616                      6,016
2021 – presentGMCYukon                      5,900                      6,100
2021 – presentCadillacEscalade                      5,635                      5,823
2021 – presentCadillacEscalade ESV                      5,785                      5,993

Want to know where the LM2 is made? You can read that in this article.

In Which Cars Was The Duramax XLD28 Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2016ChevroletColorado                      4,020                      4,520
2016GMCCanyon                      4,050                      4,540
2016CadillacATS                      3,315                      3,461

In Which Cars Was The Duramax LWN Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2016ChevroletColorado                      4,020                      4,520
2016GMCCanyon                      4,050                      4,540
2016CadillacATS                      3,315                      3,461

Want to know where the LWN was made? You can read that in this article.

In Which Cars Was The Duramax XLD25 Used?

YearMakeModelMinimum weight (lbs)Maximum weight (lbs)
2014ChevroletColorado                      4,010                      4,310