The 6L50 (and similar 6L45) is a 6-speed longitudinally-mounted

automatic transmission An automatic transmission (sometimes abbreviated to auto or AT) is a multi-speed transmission used in internal combustion engine-based motor vehicles that does not require any input from the driver to change forward gears under normal driving c ...

produced by

General Motors The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and ...

. It is very similar in design to the larger 6L80/6L90, and is produced at GM Powertrain plants in

Toledo, Ohio Toledo ( ) is a city in and the county seat of Lucas County, Ohio, United States. A major Midwestern United States port city, Toledo is the fourth-most populous city in the state of Ohio, after Columbus, Cleveland, and Cincinnati, and according ...

;

Silao, Guanajuato Silao is a municipality in the west-central part of the state of Guanajuato in Mexico. Its seat is the city of the same name. This municipality lies adjacent to the west side of the municipality of Guanajuato, the state capital. This municipali ...

, Mexico; and by the independent Punch Powerglide company in

Strasbourg, France Strasbourg (, , ; german: Straßburg ; gsw, label= Bas Rhin Alsatian, Strossburi , gsw, label=Haut Rhin Alsatian, Strossburig ) is the prefecture and largest city of the Grand Est region of eastern France and the official seat of the Eu ...

. This transmission features clutch to clutch shifting, eliminating the bands used on older transmission designs. The 6L50 debuted for the 2007 model year on the V8-powered versions of the Cadillac STS sedan and Cadillac SRX crossover, and replaces the 5L40-E and 5L50 in GM's lineup. The 6L45 version is used in certain BMW vehicles and the

Cadillac ATS The Cadillac ATS (short for ''Alpha Touring Sedan'') is a compact executive 4-door sedan and 2-door coupe manufactured and marketed by Cadillac and developed at the General Motors Technical Center in Warren, Michigan. Cadillac assembles the ATS ...

, as part of either rear-wheel drive and all-wheel drive powertrains. The 6L50 is adaptable to

rear-wheel drive Rear-wheel drive (RWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the rear wheels only. Until the late 20th century, rear-wheel drive was the most common configuration for cars. Most rear-wheel ...

and

all-wheel drive An all-wheel drive vehicle (AWD vehicle) is one with a powertrain capable of providing power to all its wheels, whether full-time or on-demand. The most common forms of all-wheel drive are: ;1x1 : All unicycles Reflecting one axle with one w ...

applications. The 6L45 can accommodate engines with up to of torque and vehicles with a GVWR up to .

Specifications

Technical data

Maximum engine power: Maximum engine torque: m) Maximum gearbox torque: m) First: 4.060 Second: 2.370 Third: 1.550 Fourth: 1.160 Fifth: 0.850 Sixth: 0.670 Reverse: 3.200 Maximum shift speed: 7000 rpm Maximum Validated Weight (GVW): Maximum Validated Weight (GCVW): 7-position quadrant: P, R, N, D, X, X, X (X = available calibratable range position) Case material: Die cast aluminum Shift pattern: (2) Three-way on/off solenoids Shift quality: Five variable bleed solenoid Torque converter clutch: Variable Bleed Solenoid ECCC Converter size: 240 mm, 258 mm Fluid type: DEXRON VI Fluid capacity with 258 & 300 mm converter: 9.1 kg Available Control Features Multiple Shift Patterns (Selectable) Driver Shift Control (Tap Up / Tap Down) Enhanced Performance Algorithm Shifting (PAS) Selectable Tow / Haul Mode Engine Torque Management On All Shifts Altitude and Temperature Compensation Adaptive Shift Time Neutral Idle Reverse Lockout Automatic Grade Braking Additional Features OBDII / EOBD Integral Electro/Hydraulic Controls Module (Tehcm) Control Interface Protocol – GMLAN The transmission control module (TCM) is built into the solenoid pack/housing. Assembly sites: GMPT Strasbourg, France; GMPT Toledo, Ohio, USA; GMPT Silao, Mexico

Applications

6L45

* 2007–2010 :

BMW X3 The BMW X3 is a compact luxury crossover SUV manufactured by BMW since 2003, based on the BMW 3 Series platform. Now in its third generation, BMW markets the car as a ''Sports Activity Vehicle'', the company's proprietary descriptor for its X- ...

- 3.0si / 2.5si / 3.0i * 2007–2013:

BMW 3 series The BMW 3 Series is a line of compact executive cars manufactured by the German automaker BMW since May 1975. It is the successor to the 02 Series and has been produced in seven generations. The first generation of the 3 Series was only avail ...

- 330(x)i / 328(x)i / 325(x)i / 323i / 320i / 318i / 316i * 2007–2019:

BMW 1 series The BMW 1 Series is a range of subcompact executive cars (C-segment) manufactured by BMW since 2004. It is the successor to the BMW 3 Series Compact and is currently in its third generation. Positioned as the entry level model in BMW range of pr ...

- 130i / 128i / 125i / 120i / 118i / 116i * 2009–2015:

BMW X1 (E84) The E84 BMW X1 is a subcompact luxury crossover SUV and was produced from 2009 to 2015. It is the first generation model of the BMW X1 range, and was replaced by the F48 BMW X1 in mid-2015. Development and launch Development of the vehicle s ...

- 2.8i xDrive / 2.5i xDrive / 1.8i sDrive * 2013–2015 :

* 2010–2013 : Cadillac SLS * 2012–2017 : Chevrolet Caprice PPV V6 * 2011-2013: Holden VE Commodore, Calais, SV6 * 2013-2017: Holden VF Commodore, Calais, SV6

6L50

* 2007–2011 : Cadillac SLS * 2007–2011 : Cadillac STS * 2007–2009 : Cadillac SRX * 2008–2015 :

Cadillac CTS The Cadillac CTS is an executive car that was manufactured and marketed by General Motors from 2003 until 2019 across three generations. Historically, it was priced similarly to cars on the compact luxury spectrum; but it has always been sized ...

* 2010–2015 : Camaro LS/LT (V6 Models) * 2009–2011:

Holden VE Commodore The Holden Commodore (VE) is an executive car that was produced by Holden from 2006 to 2013. It was the first iteration of the fourth generation of the Commodore. Its range included the luxury variants, Holden Berlina (VE) and Holden Calais (VE ...

/ Holden VE Berlina / Holden VE Calais /

Chevrolet Lumina The Chevrolet Lumina is a mid-size car that was produced and marketed by the Chevrolet division of General Motors from 1989 until 2001. __TOC__ Background The first generation of the Lumina replaced the Chevrolet Celebrity and Chevrolet ...

Chevrolet Omega The Chevrolet Omega is an executive car sold by Chevrolet for the Brazilian market. Replacing the Chevrolet Opala, which was a development of the Opel Rekord C, the original Chevrolet Omega was based on the Opel Omega A and built locally betw ...

* 2009–2011: Holden WM Statesman/Caprice /

Daewoo Veritas Veritas is the name given to the Roman virtue of truthfulness, which was considered one of the main virtues any good Roman should possess. The Greek goddess of truth is Aletheia (Ancient Greek: ). The German philosopher Martin Heidegger argues ...

* 2015-2022:

Chevrolet Colorado The Chevrolet Colorado, and its counterpart, the GMC Canyon, are series of compact and later mid-sized pickup trucks marketed by American automaker General Motors. They were introduced in 2004 to replace the Chevrolet S-10 and GMC S-15/Sonoma co ...

* 2019–present :

UAZ Patriot The UAZ Patriot (UAZ-3163) is a mid-size body-on-frame SUV produced by the UAZ division of SeverstalAvto in Ulyanovsk, Russia. It was introduced in 2005 and replaced the older UAZ Simbir (UAZ-3162). Extensive use of newer parts, large carr ...

* 2022-on :

Bremach Bremach was an Italian/American manufacturer of tactical trucks specializing in the manufacturing of military vehicles and 4WD fire engines. History Bremach was founded in 1956 in the city of Varese (northern Italy) by the Brenna brothers, t ...

References