Thornycroft Engines
Post Box No. 860, New Longton, Lancs
Preston, England-PR4 5GT, UK
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Thornycroft Engines - Profile

From the days of steam 140 years ago the name THORNYCROFT has been synonymous with the very best in marine engineering, and it has long been the choice for quality marine engines by professional boat builders, boat owners and boat refurbishers alike. Thornycroft Engines is a product division of the AMC Diesel Group, which also comprises Tempest marine at Stamford, Lincolnshire and Thornycroft Engines in India. AMC Diesel Engineerings headquarters in Preston, Lancashire, are accepted as the UK's leading re-manufacturer of BMC diesels and boasts the largest stock inventory on new BMC diesel engine spare parts in the UK.
Today Thornycroft Engines enjoys a worldwide reputation as a leading supplier of high performance, reliable, innovative, marine diesel engines, whatever the application. Our range covers ten models of 2, 3 and 4 cylinder configuration with power outputs from 10hp to 70hp. They are all indirect water-cooled marine diesels based on the latest MITSUBISHI diesel engines.


  • Compact Marine Engines
  • Engine Replacement Services
  • Engine Servicing Advice Services
  • Lightweight Marine Diesels Engines
  • Marine Diesel Engines
  • Marine Engineering Services
  • On-Site Engine Repairing Services
  • Smaller Marine Engines
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