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The L5P Duramax is the latest version of the Duramax V8 diesel engine.(engine code Y). Introduced in the 2017 model year, it was the most powerful diesel engine GM had produced, with 445 hp (332 kW) at 2,800 rpm and 910 lb⋅ft (1,234 N⋅m) at 1,600 rpm.
However, fuel economy of GMT K2XX vehicles still increased over the GMT900 predecessors thanks to usage of new Generation V/EcoTec3 V8 engines with direct injection, weight savings from the use of more high-strength steel, and the use of the 8L90 automatic transmission.
6.2L fitted to a 1987 HMMWV. The original 6.2 L (379 cu in) diesel V8 was introduced in 1982 for the Chevrolet C/K and was produced until 1993. The 6.2L diesel emerged as a high-fuel-economy alternative to the V8 gasoline engine lineup, and achieved better mileage than Chevrolet's 4.3L V6 gasoline engine of the 1980s, at a time when the market was focused on power rather than efficiency.
On C4500/5500s, the 8.1L gasoline V8 returned from the GMT530 generation as the standard engine; the Caterpillar 3116 was replaced by an Isuzu-designed 6.6L Duramax diesel V8. [12] For the C6500 and larger, diesel engines were standard, with an Isuzu-produced Duramax LG4 7.8L I6 as standard, with a 7.2L Caterpillar C7 (a redesigned 3126 ...
Beginning in 2001, GMC offered the same turbocharged diesel Duramax V8 engines as were available in similar Chevrolet trucks. The engine family was co-developed by GM Powertrain and Isuzu, and has gone through numerous iterations through the years. Duramax engines are paired with a heavy-duty automatic transmission from GM's Allison division. [4]
The Isuzu 6H is a family of inline six-cylinder diesel engines installed in Isuzu medium-duty trucks, and also installed in GM medium-duty trucks as the Duramax LG4. It is mated to the Allison 2500, 3000, and 3500 series transmissions.
2003–2008 Toyota ZZ DOHC (Found in the 1st Gen Pontiac Vibe) ... 2012–2022 2.5 and 2.8 litre Duramax [21] 2013–present GM Medium Diesel "1.6 CDTI Ecotec" [22]
The 4.8 L and 5.3 L versions used iron blocks and aluminum heads, while the 1999–2000 6.0 L version used cast iron cylinder heads. The 6.6 L Duramax turbo-diesel was introduced with the 2500HD and 3500 models that debuted for 2001. An aluminum-block 5.3 L version was also used in 2005–2007 1500-series 4WD extended-cab 6.5' box trucks.