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This is a listing of items that have been fitted to Thornycroft 33 engines throughout production. We hope this page will help you; if you do not see what you are looking for, please contact us. We may be able to help. The inclusion of items on this page does not infer that these items are genuine Thornycroft spares. Please check carefully the suitability of the item for your own application. Gasket sets listed do not contain gaskets for marinisation components. Requests for Thornycroft spares should always be accompanied by the engine number / build list. The Thornycroft 33 is a 2 cylinder, 4 stroke, vertical, inline 635cc diesel engine. Based on the Mitsubishi L2 engine block, Thornycroft marinised this in two versions. The 33 was Heat Exchanger cooled, and can be found mostly as a Yacht's auxiliary engine. The 33E was Keel Cooled for Inland Canal use. From the MS-01-33 Thornycroft leaflet, ratings are as follows: 1500RPM 5.8BHP 1.54LPH, 1800RPM 7.2BHP 1.72LPH, 2200RPM 9BHP 2.06LPH, 2500RPM 10.1BHP 2.35LPH, 3000RPM 11.7BHP 2.82LPH, 3600RPM 13.5BHP 3.50LPH. Intermittent rating is listed at 15BHP.

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