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ZF has developed a 3-in-1 electric drive that can spin at up to 30,000 rpm, with a shown configuration rated at 200 kW and 3,500 Nm of peak wheel torque. The company says it is nearly 25% smaller and lighter than a comparable 18,000-rpm SELECT drive and is discussing the system with automakers, with production targeted by 2030.
ZF has developed the High Revolution Drive, a 3-in-1 electric drive for passenger cars that can spin at up to 30,000 rpm. The company says the system is nearly 25% smaller and lighter than a comparable SELECT drive operating at 18,000 rpm; ZF is discussing it with several automakers and aims to begin production by 2030.
The drive is a variant of ZF’s modular SELECT e-drive platform. In the configuration the company has shown, it delivers 200 kW of peak output and 3,500 Nm of peak torque at the wheels. ZF is focusing on applications with outputs of about 150 to 200 kW, and says the architecture can be scaled to different power ratings and adapted for both 400-volt and 800-volt vehicle systems.
ZF’s design uses a two-stage spur-gear transmission with a ratio of about 18:1. The high motor speed reduces the torque the motor itself must produce for a given power output. Because torque is closely linked to rotor volume, ZF says this lets it use a smaller, lighter motor while the gearing supplies the torque needed at the wheels.
Compared with a SELECT drive operating at 18,000 rpm, ZF reports that the High Revolution Drive is nearly 25% smaller and nearly 25% lighter, while requiring 50% less magnet material. The company says efficiency is nearly 93%, on par with the comparison system despite the higher speed and gear ratio. These are manufacturer-reported figures; the source material does not give independent test results or specify a vehicle, test cycle or measurement conditions.
Smaller Motors, Less Magnet Material
The design targets two constraints automakers face when packaging electric drives: space and mass. A smaller, lighter drive could give vehicle designers more room to package other components or help reduce vehicle weight, though the source does not quantify either effect in a production vehicle. The high-speed motor and reduction gearing are the means ZF says can deliver this smaller package without a reported drop in efficiency compared with its 18,000-rpm reference system.
The reported 50% reduction in magnet mass could also matter for material use and sourcing. ZF says less magnet material reduces costs and dependence on critical supply chains. The available information does not identify the magnet composition, state a cost saving, or quantify how much supply-chain exposure would fall, so those benefits remain company claims rather than demonstrated vehicle-level outcomes.
For buyers, the announcement is a development-stage technology, not a new vehicle or a confirmed production contract. Its relevance will depend on whether automakers adopt it and whether the reported size, weight, efficiency, noise and cost advantages hold in vehicle applications.
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Built on ZF’s SELECT Platform
ZF describes the High Revolution Drive as a new variant of its existing SELECT modular system, rather than a wholly separate platform. The company says reusing SELECT technologies can help automakers integrate the drive into new vehicles faster and at lower development cost. Those expected schedule and cost benefits have not been independently verified in the source material.
Higher motor speeds bring engineering challenges, including controlling noise and vibration across the motor, gearing and bearings. ZF says it treated those parts as an integrated system and selected 30,000 rpm as the economic and technical sweet spot for the configuration it presented. The report gives no detailed sound measurements, durability results or comparison test data.
ZF’s stated target is passenger cars with drive outputs of roughly 150 to 200 kW. The system’s planned compatibility with 400 V and 800 V architectures points to a range of possible applications, but the announcement does not name a vehicle program or a committed automaker customer.
“With SELECT, we do not have to start from scratch for every new drive variant. We use our modular system to tailor new concepts to different customer requirements.”
— Thomas Meiser, head of ZF’s E-Mobility Business Unit
Performance Claims Await Vehicle Data
The source material does not identify an automaker that has selected the drive, a vehicle model that will use it, or a production contract. ZF says it is in talks with several automakers, but does not name them or give details about those discussions. Its 2030 production target is an aim, not a confirmed start date.
Other unresolved details include the drive’s mass and dimensions, the conditions behind the reported 93% efficiency, and how the system performs in independent testing and vehicle use. The report also does not provide durability data, noise or vibration measurements, pricing, or the amount of any cost reduction. ZF’s comparisons and projected benefits should be read as company-reported claims until those details are available.
Automaker Talks and 2030 Target
ZF says it is continuing discussions with several automakers and aims to start production by 2030. The next developments to watch are whether those discussions lead to named vehicle programs, and whether ZF publishes further technical data or results from testing.
Until a customer, production vehicle and launch schedule are confirmed, the High Revolution Drive remains a developed system with a stated production goal, not a drive confirmed for a particular car. Any production timing, vehicle application and real-world performance remain subject to further announcements.
Key Questions
What is ZF’s High Revolution Drive?
It is a 3-in-1 electric drive and a variant of ZF’s modular SELECT platform, designed for passenger cars. Its motor can spin at up to 30,000 rpm.
What output does the version ZF showed deliver?
ZF says the shown configuration has 200 kW of peak output and 3,500 Nm of peak wheel torque. The company is targeting drive outputs of about 150 to 200 kW.
How does the higher rotational speed reduce the drive’s size?
At a given power output, a faster-spinning motor needs less motor torque. ZF says that can reduce rotor volume and motor size, while a two-stage gearbox with a ratio of about 18:1 supplies torque at the wheels.
When could the drive enter production?
ZF says it aims to start production by 2030 and is in talks with several automakers. No production customer or vehicle application has been identified in the source material.
Are the size, weight and efficiency figures independently verified?
The reported figures come from ZF. The source material provides no independent test results or detailed test conditions for the claimed size and weight reductions or nearly 93% efficiency.
Source: chargedevs.com
