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The 6L 50 (and similar 6L 45) is a 6-speed longitudinally-mounted automatic transmission produced by General Motors.It is very similar in design to the larger GM 6L 80 and 6L 90, and is produced at GM Powertrain plants in Toledo, Ohio; Silao, Guanajuato, Mexico; and by the independent Punch Powerglide company in Strasbourg, France.
Due to a long-lasting downturn in sales of full-size trucks and SUVs in the United States (up to a 30% down through the first nine months of 2008), General Motors cancelled the next-generation CXX truck program in May 2008. Along with it, the replacements for the Chevrolet Tahoe and Suburban and their siblings at GMC and Cadillac. [4]
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.
The 6.6L Duramax diesel engine (VIN code "L") is used on 2010 interim and 2011 Chevrolet Express and GMC Savana vans and 2011 Chevrolet Silverado/GMC Sierra HD trucks with RPO ZW9 (chassis cabs or trucks with pickup box delete). The LGH engine is rated at 335 bhp (250 kW) at 3,100 rpm and 685 lb⋅ft (929 N⋅m) at 1,600 rpm.
During the latter years of production, 379-and-432-cubic-inch (6.2 and 7.1 L) versions with enlarged crankshaft journals were manufactured as well. GMC produced a 637-cubic-inch (10.4 L) 60° V8 with a single camshaft using the same general layout (bore and stroke) as the 478 V6. The 637 V8 was the largest-displacement production gasoline V8 ...
1955–1980 Pontiac V8 (also modified for GMC Truck models) 1958–1965 Chevrolet W (also referred to as "Turbo-Thrust") 1961–1980 Buick small block V8 (formed the basis of the 1961-1963 Oldsmobile 215 aluminum V8 ) (now better known as the Rover V8 and also the Buick-based "Dauntless V8" on Jeeps or the Repco V8 Formula One engine based on ...
The standard engine remained the 350 cu in (5.7 L) small-block V8 with throttle-body fuel injection. A 6.5 L turbocharged Detroit Diesel V8 was added as an option for 1994, with output of 180 horsepower (134 kW) and 360 pound-feet (488 N⋅m) of torque. The diesel engine was available only with a four-speed automatic transmission. [18]
The transmission is also produced in Yantai, China. 6T30 is a recent more compact and lightweight variant used on 1.8 L engine equipped variants of the North American Chevrolet Cruze and Chevrolet Sonic. The 6T40 was still used in those models equipped with the 1.4 L turbocharged engine. GM lists the weight of the 6T30 with fluids at 71.5 kg ...