I found this in a few minutes of searching: http://www.northerntool.com/webapp/wcs/stores/servlet/product_6970_8795_8795

10 kW generator head, spin it at 3600 rpm and get 9600 W continuous. Takes 18 hp, says the website.

Peak mechanical output on a 616 (62 or 67 x 746) comes to either 46 or just under 50 kW, but you'd want to stay lower for a continuous duty situation.

What are you wanting to power?

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.