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Is the 8HP75 transmission any good?


The 8HP75 transmission, part of ZF Friedrichshafen AG's renowned 8-speed automatic transmission lineup, has gained significant attention in the automotive world. Known for its versatility and performance, this transmission is used in a variety of vehicles, from luxury sedans to high-performance SUVs and trucks. But is it truly as good as its reputation suggests? Let’s dive into the details.


What Makes the 8HP75 Transmission Stand Out?


The 8HP75 transmission is an evolution of ZF's highly successful 8HP series, which has been praised for its smooth shifting, efficiency, and durability. Here are some of the key features that make the 8HP75 a standout option:



  • Wide Range of Applications: The 8HP75 is used in vehicles ranging from BMWs and Audis to Dodge Ram trucks, showcasing its adaptability to different powertrains and performance needs.

  • Improved Torque Capacity: This transmission can handle up to 750 Nm (553 lb-ft) of torque, making it suitable for high-performance and heavy-duty applications.

  • Fuel Efficiency: The 8-speed design allows for optimized gear ratios, improving fuel economy without sacrificing performance.

  • Smooth Shifting: Drivers often praise the seamless gear changes, which enhance both comfort and driving dynamics.

  • Durability: Built with high-quality materials and advanced engineering, the 8HP75 is designed to last, even under demanding conditions.


Common Concerns and Maintenance Tips


While the 8HP75 transmission is generally well-regarded, no mechanical component is without its potential issues. Here are some common concerns and tips to keep it running smoothly:



  • Software Updates: Some users have reported occasional software-related shifting issues. Regular updates from the manufacturer can resolve these problems.

  • Fluid Maintenance: Like all automatic transmissions, the 8HP75 requires proper fluid maintenance. ZF recommends using their LifeguardFluid for optimal performance and longevity.

  • Heavy-Duty Use: In trucks or performance vehicles, the transmission may experience more wear and tear. Regular inspections can help catch potential issues early.


Final Verdict: Is It Worth It?


The 8HP75 transmission is widely regarded as one of the best automatic transmissions on the market today. Its combination of performance, efficiency, and reliability makes it a top choice for manufacturers and drivers alike. Whether you're driving a luxury sedan or a rugged truck, the 8HP75 delivers a driving experience that is hard to beat.


However, as with any high-performance component, proper maintenance is key to ensuring its longevity. If you're considering a vehicle equipped with the 8HP75 or already own one, regular servicing and attention to manufacturer recommendations will keep it running smoothly for years to come.


Frequently Asked Questions

Who makes the 8HP75 transmission?


Stellantis has built the transmission at its Kokomo Transmission plant since 2013 under their own brand name, the Torqueflite 8. The joint venture plant in Gray Court, South Carolina opened in 2012. The 8HP is the first transmission to use this 8-speed gearset concept.



What is the difference between the Jeep 850RE and 8HP75 transmission?


FYI, the 850RE is produced by Chrysler/Stellantis with tech licensed from ZF in Germany, and it is used only with the 3.6L Pentastar V6. The 8HP75 is built by ZF themselves in Germany and imported into the US,, and is used behind all Hemi V8 engine applications, including the 5.7L, 6.4L/392, and the 6.2L Hellcat.



Is the zf 8 speed transmission reliable?


The ZF 8 Speed has developed a reputation for being one of the best automatic transmission systems on the market today. Made by German supplier ZF, it has a long, decorated history of success within the automotive industry in both passenger and commercial vehicles.



What is the max torque for the 8HP75?


At some point, the diesel was supposed to be mated with the 8HP75 which is rated at 750Nm max torque (553 lb ft).



How good is the 8HP75 transmission?


The Latest TorqueFlite Transmissions
Both transmissions offer an excellent balance of power and efficiency, with the 8HP75 delivering a higher torque capacity for quick, crisp gear changes you'd expect of a heavy-duty workhorse or a speed demon like the TRX.



What is the difference between zf8hp70 and zf8hp75?


The 8HP75 is stronger than the 8HP70 and will hold 50 more N-m (553 lb-ft capacity on the 75 compared to 516 for the 70).



Which Dodge Rams have transmission problems?


Reports of lunging or jumping have been noted in the 2015, 2016, 2019, and 2020 Ram 1500 models, indicating instability in the vehicle's transmission system.



What is a good max torque?


There is no single, standardized measure for what is considered good torque in cars, trucks, or SUVs. Larger, heavier vehicles need more torque than smaller, lighter alternatives. Most new vehicles offer between 100 lb-ft and 400 lb-ft of torque.



What is the lifetime of ZF 8HP?


50,000 to 75,000 miles
Unlike BMW, which says the ZF 8HP has a “lifetime fill” and doesn't have a service interval, the other manufacturers and ZF themselves recommend a transmission fluid service every eight years or 50,000 to 75,000 miles.



Are TorqueFlite transmissions good?


The heavier-duty A727 Torqueflites became — and remain — wildly popular for drag racing, off roading, and monster truck applications because of their controllability, reliability, ease/cheapness of repair, and brute strength.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.