| 1. | Examples include enclosed gear drives operating at low speeds and open gearing.
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| 2. | In 1927 Benelli had a gear drive SOHC 175 cc model.
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| 3. | As of 2014, the Global Gear Drive program has been discontinued.
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| 4. | The transmission included helical gear drive, a wet clutch, and a three-speed gearbox.
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| 5. | Gear drives required the steam motor to be mounted low-down, alongside the axle.
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| 6. | The planetary gear driving power through direct connection or link initiates the sun gear.
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| 7. | This motor-worm-gear drive system is often used in toys and other small electrical devices.
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| 8. | The Farmall 656 and 826, for example, were available in hydro and gear drive versions.
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| 9. | On all the VFR750 models the gear drive for the cams was between the cylinders.
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| 10. | This model incorporated spur-gear drive instead of chain.
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