Often asked: Who Makes Duramax Motors?

Is the Duramax made by Isuzu?

GM owns 60% and Isuzu owns 40% of the venture that makes the Duramax diesel for heavy-duty trucks. The investment retains approximately 500 jobs at the engine plant. DMAX has invested $760 million in the DMAX facility since 2000.

Are Duramax engines made in America?

plant in Moraine, Ohio. More than 1.5 million Duramax engines have been built right here in the USA. The original Duramax was a vast improvement over GM’s previous indirect-injection diesel, and it beat both Dodge and Ford to the punch when it debuted for the ’01 model year.

Who owns Duramax?

DMAX is a joint venture, 60 percent owned by GM, 40 percent owned by Isuzu Diesel Services of America, Inc. The redesigned Duramax 6.6L V-8 turbo-diesel offered on the 2017 GMC Sierra and Chevrolet Silverado HD offers more horsepower and torque than ever — an SAE-certified 445 h/p (332 kW) @ 2800 rpm and net 910 lb.

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Is the Chevy Duramax a good engine?

The 6.6L Duramax has been in production since 2001 and has proved, on a large scale, to be a relatively reliable and durable platform. However, like any engine (or any complex mechanism for that matter), the Duramax engine and Allison 1000 transmission have some common problems inherent to their design.

What’s better Cummins or Duramax?

More horsepower means faster acceleration whether you’re towing or not. The current Duramax 6.6L L5P diesel wins this category with 445 horsepower. The current 6.7L 24V Ram Cummins diesel engines produce 400 horsepower. Historically, horsepower has swayed slightly in favor of the Duramax versus the Cummins line.

What’s the best year for Duramax?

The 2001 – 2004 model years are great on fuel, have the least emissions components, and shouldn’t give you any problems if the injectors were replaced under warranty. Avoid the 2007.5 – 2010 model year trucks if you are concerned with fuel economy.

What is the most reliable Duramax engine?

Released in 2017, the L5P is the latest a greatest version of the Duramax. It is substantially more durable than previous Duramax models and features an impressive 445 HP and 910 lb-ft of torque. The L5P replaced the LML in Chevy Silverado pickup trucks.

What is the most sought after Duramax?

Perhaps the most desired of all Duramax models are the ’06-’07 Classic body style trucks.

What problems do LBZ Duramax have?

LBZ Weak Links The LB7 and LLY engines were known for rod weakness, but the LBZ had trouble with its cast-aluminum pistons. In higher-power applications, the pistons were very prone to cracking. LBZ Duramax upgrades with larger injectors and a larger turbo caused the majority of failures.

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How many miles will a 6.6 Duramax last?

Unfortunately, those who drive Duramax 6.6-liter engines usually have to replace theirs by 80,000 miles. In some cases, the pump will last to 100,000 miles, but it usually fails much earlier than an average water pump does.

Is Cummins diesel owned by Ford?

It’s a common myth that Cummins is owned by auto manufacturers like Ford or Chrysler. In fact, Cummins Turbo Technologies is an independent company that manufactures and markets a complete line of diesel and natural gas-powered engines.

Is the LLY Duramax a good engine?

Similar to the LB7, the LLY Duramax is reliable, powerful, and lacks most of the emissions found on modern day diesel trucks like the L5P. LLY Duramax trucks don’t suffer from the same injector failure problems that LB7 trucks frequently had. Instead, many LLY Duramax problems stem from overheating.

How many miles does a Duramax last?

A poorly-maintained engine can quickly fall into disrepair before it even reaches the 100,000-mile mark while a well-maintained Duramax pickup truck should last 400,000 or even 500,000 miles.

What year Duramax has head gasket problems?

In the GM world, the 2004.5-2005 LLY engine seems to be the worst for having gasket failures. These years seem to have temperature issues and I believe it’s because of this, that we see these trucks more than any other Duramax for head gasket issues.

What year Duramax has injector problems?

What year Duramax has injector problems? The LB7 Duramax built from 2001 – 2004.5 is known for injector failure. The good news is the replacement injectors you purchase from us incorporate several updates to help prevent repeat failures.

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