Posts with Keyword “transmission”

Cover for post Understanding the Mercedes 722.3 / 722.4 / W4A Automatic Transmission (4G-Tronic)
30 Aug 2026
Understanding the Mercedes 722.3 / 722.4 / W4A Automatic Transmission (4G-Tronic)
Mercedes 722.3 is a hydraulically-controlled 4-speed automatic transmission. Today, let us check out not only how its gear train works but also how its hydraulic control functions.
Cover for post Understanding the Mercedes 722.6 5G-Tronic Automatic Transmission (NAG1)
27 Aug 2026
Understanding the Mercedes 722.6 5G-Tronic Automatic Transmission (NAG1)
The 722.6 5G-Tronic was arguably the most commercially successful automatic transmission ever produced by Mercedes. Today, let us see how its gear train works and analyze its design.
Cover for post Interpreting Transmission Adaptation Values
18 Aug 2026
Interpreting Transmission Adaptation Values
Transmission adaptation, usually in terms of fill time and pressure, can let us know the condition of an automatic transmission. This article discusses how to interpret the values.
Cover for post Dissembling Mercedes 722.9 7G-Tronic Transmission
22 Jul 2026
Dissembling Mercedes 722.9 7G-Tronic Transmission
Recently, I dissembled the 7G-Tronic transmission that I had replaced in my 2005 S500 last year. The failure point was the TCC. In this article, let us confirm the severity of the damage and check out how the 722.9 transmission works.
Cover for post Transmission and Drivetrain Layout of a V12 GT—My Car Company 08
25 Jan 2026
Transmission and Drivetrain Layout of a V12 GT—My Car Company 08
Today, let us move onto the transmission as well as the drivetrain layout of Type 1, my mid-size superlight grand tourer.
Cover for post Ford 10R–GM 10L 10-Speed Automatic Transmission Deep Dive (10R80 / 10L80 and variants)
07 Jan 2026
Ford 10R–GM 10L 10-Speed Automatic Transmission Deep Dive (10R80 / 10L80 and variants)
The Ford-GM 10-speed is an evolution of the ZF 8HP that doubles down on the original’s gear train design and philosophy. Today, let us analyze its advantages and trade-offs and delve into how its gear train works.
Cover for post Toyota / Aisin AWR10L65 10-Speed Automatic Transmission Deep Dive (AGA0 /AJA0)
04 Jan 2026
Toyota / Aisin AWR10L65 10-Speed Automatic Transmission Deep Dive (AGA0 /AJA0)
The Toyota–Aisin 10-speed automatic transmission combines lessons from the Aisin 8-speed and ZF 8HP into one of the more compelling, elegant designs. Today, let us analyze its advantages and trade-offs and delve into how its gear train works.
Cover for post Mercedes 725.0 9G-Tronic Automatic Transmission Deep Dive (NAG3 / W9A 700)
01 Jan 2026
Mercedes 725.0 9G-Tronic Automatic Transmission Deep Dive (NAG3 / W9A 700)
Mercedes 725.0 9G-Tronic, aka NAG3, is one of the most advanced automatic transmissions for passenger vehicles today. Let us analyze the advantages and trade-offs of the 9G-Tronic and delve into how its gear train works.
Cover for post ZF 8HP 8-Speed Automatic Transmission Deep Dive
30 Dec 2025
ZF 8HP 8-Speed Automatic Transmission Deep Dive
The ZF 8HP represents both a major evolution in the philosophy of the 6HP and a considerable revolution in gear train design. Today, let us analyze its advantages and trade-offs and delve into how its gear train works.
Cover for post Understanding the ZF 6HP 6-Speed Automatic Transmission
29 Dec 2025
Understanding the ZF 6HP 6-Speed Automatic Transmission
The ZF 6HP can be considered the world’s first modern automatic transmission, influencing all future models with a series of conscious trade-offs. Today, I analyze the advantages and trade-offs of the ZF 6HP and delve into how its gear train works.
Cover for post Understanding the Mercedes 722.9 7G-Tronic Automatic Transmission (W7A 700 / NAG2)
27 Dec 2025
Understanding the Mercedes 722.9 7G-Tronic Automatic Transmission (W7A 700 / NAG2)
The Mercedes 722.9 7G-Tronic was the world’s first 7-speed automatic transmission for passenger cars. Today, let us analyze the advantages and trade-offs of its design and delve into how its gear train works.
Cover for post Understanding the Toyota–Aisin 8-Speed Automatic Transmission (AA80E / TL-80SN)
25 Dec 2025
Understanding the Toyota–Aisin 8-Speed Automatic Transmission (AA80E / TL-80SN)
The Toyota–Aisin AA80E remains the most robust and reliable 8- and higher-speed transmission. Today, I analyze the advantages and trade-offs of its design and delve into how its gear train works.