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The all-new Allison 10-speed 10L1000 automatic transmission (RPO MGM, MGU) available on 2020 Silverado HD and Sierra HD models equipped with the 6.6L Duramax diesel engine combines enhanced performance, fuel economy, and operational flexibility with an industry-leading reputation for reliability. Designed for high-performance and low-maintenance, the new 10-speed transmission (Fig. 14) — the first-ever offered in the heavy-duty pickup segment — has been tested and validated in partnership with Allison Transmission and, combined with the proven Duramax 6.6L diesel engine, offers a powertrain combination that provides superior power delivery and productivity.

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The Duramax/Allison powertrain standard axle ratio has been reduced to 3.42:1, which lowers engine speed, enhances refinement and increases efficiency. The powertrain combination is available on 2WD or 4WD models.

Gm Remanufactured Transmission

Fig. 14

Transmission Architecture

Purchase must be made at a participating U.S. See mycertifiedservicerebates.com for details and rebate form. Rebate must be submitted by 5/31/2021. Allow 6 to 8 weeks for delivery of debit card. Offer ends 4/30/2021. Rebate limits are on a per-VIN basis. Purchase must be made at a participating U.S. GMC K1500 Automatic Transmission Your GMC K1500 is a full-size pick-up that offers unbeatable dependability and capability in a number of challenging towing and hauling situations. Feel a renewed sense of assurance in your transmission by investing in a new automatic transmission for GMC. Gmc Remanufactured Transmissions. Welcome to the Certified Transmission page with information about the various remanufactured transmissions we offer for cars and trucks. The team at our centralized remanufacturing facilities in Nebraska and Iowa use only the best quality OEM parts when remanufacturing replacement transmissions for your GMC vehicle.

6l80e gmc yukon 2007-up dyno tested transmission with torque converter (fits: gmc) $2,195.00. Chevrolet/GMC/Geo: Model: Years: Transmission Type: Engine Type/Size: Transmission Model: Remarks: Astro: 1989-1992: TH700-R4/4L60: ASTRO/SAFARI: 1995-2003: 4 SP RWD/AWD. Love story serial sab tv episode 1.

The transmission has 10 speed ratios that are generated using four simple planetary gear sets, two brake clutches, and four rotating clutches. The on-axis transmission architecture uses a squashed torque converter, an off-axis pump and four close-coupled gear sets. The four rotating clutches are located forward of the gear sets to minimize the length of oil feeds that provide for enhanced shift response. There are different variants of the transmission, all based on torque capacity. Architecture is common between the variants, and component differences are primarily related to size.

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The transmission architecture features a case with an integral bell housing for enhanced powertrain stiffness. (Fig. 15) A unique pump drive design allows for off-axis packaging very low in the transmission. The pump is a variable vane type, which effectively allows for two pumps in the packaging size of one. This design and packaging strategy provides for ideal oil routing to the controls system with the pump located in the valve body itself.

Fig. 15

The 4-element torque converter contains a pump, a turbine, a pressure plate splined to the turbine, and a stator assembly. (Fig. 16) The torque converter acts as a fluid coupling to smoothly transmit power from the engine to the transmission. It also hydraulically provides additional torque multiplication when required. The pressure plate, when applied, provides a mechanical direct drive coupling of the engine to the transmission.

Fig. 16

The hydraulic system primarily consists of an off-axis gear-driven variable vane-type pump next to the valve body, and two control valve body assemblies. The pump maintains the working pressures needed to stroke the clutch pistons that apply or release the friction components, which consist of six multiple disc clutches. The multiple disc clutches deliver 11 different gear ratios, 10 forward and one reverse, through the gear sets.

Transmission Control Solenoid Valves

The Transmission Control Module (TCM), which is externally mounted, uses three speed sensor signals for enhanced shift response and accuracy .The TCM receives and monitors various electronic sensor inputs and uses this information to shift the transmission at the optimum time.

The 10-speed transmission could contain a maximum of nine individual solenoids — RPO dependent — installed in various bore locations on the lower control valve body assembly and internal transmission case. Eight of the nine solenoid valves are used to control pressure regulation and direction of transmission fluid. The one on/off solenoid valve is only used to direct transmission fluid. The normal operating current range for these solenoid valves is between 0–1.2 amps. If the TCM detects an electrical circuit malfunction or excessive current flow, the TCM will turn off the high-side driver to that solenoid and set a DTC.

Transmission control solenoid valves 1–8 are pressure regulating valves. Each solenoid valve is tested after assembly to determine the output fluid pressure at certain electrical values, applied to the coil winding, and is referred to as solenoid current/pressure data points. The current versus pressure data points are saved and assigned a file number, which is marked on the solenoid valve housing end or on the valve body itself. The solenoid performance data file is programmed and stored in the vehicle’s TCM as well as stored on the Techline Information System (TIS) website. Replacing any of the following components require the TCM to be programmed with either the new or existing solenoid valve performance data, depending on what component is replaced.

• Transmission assembly – program the TCM with the new data file stored on the TIS web site for all pressure regulating solenoid valves.
• Lower control valve body assembly with solenoid valves – program the TCM with the new data file stored on the TIS web site for all pressure regulating solenoid valves.
• Transmission Control Module – program the TCM with the existing data file stored on the TIS web site for all pressure regulating solenoid valves.
• One or more solenoids – program the TCM with the new data file stored on the TIS web site for all pressure regulating solenoid valves that were replaced.

Power Take-Off

The available all-new factory-integrated, engine-driven Power Take-Off (PTO) eliminates the need for an aftermarket unit. Exclusively offered with the 10-speed transmission (RPO MGU) on select diesel models, it’s the first fully integrated PTO system in the HD truck segment, with the PTO’s drive gear operated via chain to direct engine power. (Fig. 17) And because it is engine-driven rather than turbine-driven, the PTO can be used while the vehicle is idling. A button inside the cab enables the PTO, and a mode selector allows adjustment of load and torque output.

Fig. 17

– Thanks to Kevin Minor and Sherman Dixon

General Motors is an innovator of automatic transmissions, introducing the Hydra-Matic in 1940.^[1] This list includes some GM transmissions.

Automatic transmissions[edit]

Early models[edit]

The GM Hydra-Matic was a success and installed in the majority of GM models by 1950. Through the 1950s, all makers were working on their own automatic transmission, with four more developed inside GM alone. All of GM's early automatic transmissions were replaced by variants of the Turbo-Hydramatic by the 1970s.

• 1940–1967 Hydra-Matic — Oldsmobile (now the trade name for all GM automatic transmissions)
• 1948–1963 Dynaflow — Buick
• 1950–1973 Powerglide — Chevrolet (also used by Pontiac, Holden, Vauxhall and Opel)
• 1968-1971 Torquedrive- Chevrolet ( Camaro and Chevy II, Nova. Manually shifted on Column. )
• 1957–1961 Turboglide — Chevrolet (V8 models only, except Corvette)
• 1958–1959 Flightpitch — Buick
• 1961–1963 Dual Path Turbine Drive — Buick
• 1961–1964 Roto Hydramatic — Oldsmobile/Pontiac (also used by Holden)
• 1964–1969 Super Turbine 300 — Buick/Oldsmobile/Pontiac (Oldsmobile Jetaway)
• 1968–1969 Torquedrive — Chevrolet (manually column shifted 2 speed automatic, 6 cyl only)
• 1956-1964 4 speed Controlled coupling HydraMatic, also known as Cadillac 315 or P 315 HydraMatic, Oldsmobile Jetaway, Pontiac Super HydraMatic.
• TempestTorque, ( Pontiac) a two speed based on Powerglide, but having the added feature of ' Split Torque ' dividing the engine power between mechanical connection and the torque converter in high gear.

Turbo-Hydramatic[edit]

The Turbo-Hydramatic was used by all GM divisions, and formed the basis for the company's modern Hydramatic line. The basic rear-wheel drive Turbo-Hydramatic spawned two front-wheel drive variants, the transverseTurbo-Hydramatic 125, and the longitudinalTurbo-Hydramatic 425. A third variant was the light-duty rear wheel drive Turbo-Hydramatic 180 used in many European models.

Heavy-duty rear wheel drive

• 1971–1994 3L80HD (heavy duty version of TH400)

Medium-duty rear wheel drive

• 1964–1992 Super Turbine 400/TH400/3L80
• 1969–1986 TH350/TH350C/TH375B/TH250/TH250C
• 1972–1976 TH375 — Light duty version of TH400
• 1976–1987 TH200/TH200C
• 1981–1990 TH200-4R
• 1982–1993 TH700R4/4L60

Light-duty rear wheel drive

• 1969–1998 TH180/TH180C/3L30 — 3-speed European/Asian model. Also manufactured and used by Holden as the Trimatic transmission.

Transverse front wheel drive

• 1980–1999 TH125/TH125C/3T40 — 3-speed light-duty
• 1984–1994 TH440-T4/4T60 — 4-speed medium-duty

Longitudinal front wheel drive

• 1966–1978 TH425 — 3-speed
• 1979–1981 TH325 — 3-speed
• 1982–1985 TH325-4L — 4-speed

Electronic Hydra-Matics[edit]

The next-generation transmissions, introduced in the early 1990s, were the electronic Hydra-Matics based on the Turbo-Hydramatic design. Most early electronic transmissions use the '-E' designator to differentiate them from their non-electronic cousins, but this has been dropped on transmissions with no mechanical version like the new GM 6L80 transmission.

Today, GM uses a simple naming scheme for their transmissions, with the 'Hydra-Matic' name used on most automatics across all divisions.

First-generation longitudinal (Rear Wheel drive)

• 1991–2001 4L30-E — 4-speed light-duty (used in BMW, Cadillac, Isuzu, and Opel cars)
• 1992– 4L60-E/4L65-E — 4-speed medium-duty (used in GM trucks and rear-wheel-drive cars)
• 1991– 4L80-E/4L85-E — 4-speed heavy-duty (used in GM trucks)

First-generation transverse (Front Wheel drive)

• 1995–2010 4T40-E/4T45-E — 4-speed light-duty (used in smaller front wheel drive GM vehicles)
• 1991–2010 4T60-E/4T65-E/4T65E-HD — 4-speed medium-duty (used in larger front wheel drive GM vehicles)
• 1993–2010 4T80-E — 4-speed heavy-duty (used in large front wheel drive GM vehicles, only with Cadillac NorthStar V8.

Second-generation longitudinal (Rear Wheel drive)

• 2000–2007 5L40-E/5L50 — 5-speed medium-duty (used in Cadillac's Sigma vehicles)
• 2007–present 6L45/6L50 — 6-speed medium-duty (used in GM Sigma platform cars)
• 2006–present: 6L80/6L90 — 6-speed heavy-duty (used in GM trucks and performance cars)
• 2014–present: 8L90 — 8-speed heavy-duty (used in GM trucks and performance cars)
• 2016–present: 8L45 — 8-speed light-duty (used in GM luxury cars)
• 2017–present: 10L80 - Ford-GM 10-speed automatic transmission (used in GM light trucks including pickups and related SUVs)
• 2017–present: 10L90 - Ford-GM 10-speed automatic transmission (used in GM performance cars)

*This transmission is part of a joint-venture between General Motors and Ford Motor Company to split development of two transmissions, a longitudinal 10-speed and transverse 9-speed. Amiga cdtv iso download. Ford led the design of the 10-speed transmission, as well as filing the design patents for said transmission. According to an official report by the SAE (Society of Automotive Engineers) the design of the 10-speed gearbox is essentially all Ford, while GM was responsible for designing the 9-speed 9T transverse automatic gearbox. As part of their joint-venture, Ford will let GM use the 10-speed transmission with rights to modify and manufacture it for their own applications. In-exchange for Ford's 10-speed transmission, General Motors will let Ford use its 9-speed transmission for front-wheel drive applications; Ford ultimately declined use of the 9T.^[2][3][4]

Second-generation transverse (Front Wheel drive)

• 2008–present: 6T30/6T40/6T45 — 6-speed light-duty
• 2006–present: 6T70/6T75 — 6-speed medium-duty
• 2016–present: 9T50/9T65 Hydra-Matic – 9-speed^[5]

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Hybrid and PHEV[edit]

• 2ML70 - 2-Mode Hybrid transmission.
• 4ET50 (MKA) - Electric Drive Unit Transaxle (First Generation Chevrolet Volt / Cadillac ELR)
• 5ET50 (MKV) - Electronically controlled, continuously-variable automatic transaxle (Second Generation Chevrolet Volt)^[6]
• 5ET50 (MKE) - Electronically controlled, continuously-variable automatic transaxle Transaxle (Full Hybrid, Ninth Generation Chevrolet Malibu)^[7]
• 4EL70 (MRD) - Electric Drive Unit Transmission (PHEV Cadillac CT6)

Other automatics[edit]

• Aisin AF33 — 5-speed transverse automatic made by Aisin AW Co., Ltd.
• Allison 1000 Series — 6-speed longitudinal automatic made by Allison Transmission
• Saturn MP6/MP7 — 4-speed automatic developed by Saturn for use in the S-series from 1991 to 2002
• VTi transmission — continuously variable transmission
• Tremec M1L transmission — 8-speed Dual-Clutch made by Tremec for the Chevrolet Corvette C8
• GM CVT250 — continuously variable transmission

Future[edit]

Manual transmissions[edit]

Longitudinal transmissions[edit]

• Aisin AR5/MA5 — 5-speed longitudinal manual made by Aisin
• Aisin AY6 — 6-speed longitudinal manual made by Aisin
• Getrag 260 — 5-speed longitudinal manual made by Getrag
• Muncie M20 — 4-speed longitudinal wide ratio manual transmission made by GM at their Muncie, Indiana factory
• Muncie M21 — 4-speed longitudinal close ratio manual transmission made by GM at their Muncie, Indiana factory
• Muncie M22 — 4-speed longitudinal heavy duty close ratio manual transmission made by GM at their Muncie, Indiana factory
• Saginaw M26/27 transmission — 3 and 4-speed longitudinal light duty (less than 300 hp wide ratio manual transmission made by GM at their Saginaw, Michigan factory
• Muncie M62/M64 — 3-speed longitudinal transmission made by GM
• Muncie SM420 — 4-speed manual used up to 1967, very similar to sm 465 except small changes to gear ratios and location of reverse.
• New Process Gear NP435 - 4-speed longitudinal transmission used in a select handful of 67-72 GM pickups
• New Process Gear A833 RPO MY6 or MM7 — 4-speed longitudinal A833 overdrive transmission made by New Process Gear for early to mid 1980s General Motors Light Trucks
• Muncie SM465 — 4-speed longitudinal manual used in 68- 91 Chevy 1/2 3/4 and 1 ton trucks
• New Venture Gear NV1500 — 5-speed longitudinal manual made by New Venture Gear
• New Venture Gear 3500/4500 — 5-speed longitudinal manual made by New Venture Gear
• Borg-Warner T-10 transmission — 4-speed longitudinal manual currently made by Richmond Gear; originally made by Borg-Warner
• Tremec T-5 — 5-speed longitudinal manual currently made by Tremec; originally made by Borg-Warner
• Borg-Warner T-50 transmission — 5-speed longitudinal manual - used by GM in its H Body cars and a few other limited light duty applications from 1976 to 1978;
• Tremec T-56 — 6-speed longitudinal manual overdrive made by Tremec; formerly made by Borg-Warner
• Tremec TR-6060 — 6-speed longitudinal manual overdrive made by Tremec
• ZF S6-650 — 6-speed longitudinal manual made by ZF Friedrichshafen
• Tremec TR-6070 — 7-speed longitudinal manual overdrive made by Tremec

Transverse Transmissions[edit]

• F23 — 5-speed transverse manual manufactured by Getrag
• F35 — 5-speed transverse manual manufactured by Saab in Gothenburg, Sweden
• F40 — 6-speed transverse manual manufactured by FGP Germany
• Getrag 282 — 5-speed transverse manual designed by Getrag and manufactured by Muncie Getrag
• Getrag 284 — 5-speed transverse manual designed by Getrag and manufactured by Muncie Getrag
• MP2/MP3 — 5-speed manual developed by Saturn for use in the S-Series from 1991 to 2002

See also[edit]

References[edit]

1. ^'Hydra-Matic History: The First Automatic Transmission'. Ate Up With Motor. 2010-05-29. Retrieved 2014-01-15.
2. ^'Exclusive: An Inside Look At Ford's New 10 Speed Transmission'. http://www.thetruthaboutcars.com/. Retrieved 2015-03-16.External link in |publisher= (help)
3. ^Brooke, Lindsay. 'Ford and GM finally consummate 9- and 10-speed joint development'. articles.sae. SAE International. Retrieved 20 March 2016.
4. ^'Ford passes on GM's 9-speed automatic transmission'. Retrieved 2018-11-12.
5. ^Panait, Mircea. 'GM Hydra-Matic 9T50 Transmission Confirmed for Chevrolet Cruze, Malibu, Equinox'. autoevolution. Retrieved 2016-12-07.
6. ^'GM Service Insights, pg 23'(PDF). Archived from the original(PDF) on 2019-01-09. Retrieved 2019-07-16.
7. ^'GM Service Insights, pg 23'(PDF). Archived from the original(PDF) on 2019-01-09. Retrieved 2019-07-16.

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