Since you didn’t mention whether there was a suffix following the 320, I’ll assume there was not, which tells me this is a very old engine. I can tell you that both of these numbers are potentially for the O-320 series, but we’ve got to go a little further to determine what you’ve really got here. I say interesting because of the two serial numbers you provided. PETE HUNT San Diego ANSWER: Thanks for your interesting question. Thanks in advance for any help! See All 43 Rows On I tried using the Lycoming website, hoping for a serial number lookup table, but so far no luck. The case is cast with the number L-17001-27A. Lycoming Engine Serial Number Searchĭata plate says: O-320, eng #2689-27. I have only the following data, and am wondering how or where I can use these data to determine exactly which engine this is.

QUESTION: A friend has an O-320 in his hangar.

Archive What do these engine configuration numbers mean? Dear Mike I recently bought an engine and I'm confused about the configuration numbers. FAA Home » Licenses & Certificates » Aircraft Certification » Aircraft Registration » Aircraft Inquiry » Engine Reference Inquiry. Wikipedia is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization.Serial Number Name. The Blue Diamond engine lived on until the early 60s renamed as Black Diamond engines, the BD-282 and BD-308.Ī version of this engine never made it into trucks because of the gas crises of 1973.īy using this site, you agree to the Terms of Use and Privacy Policy. The medium-duty 1930 A-series trucks received the all-new 278.7 cu in (4.6 L) FB-3 six-cylinder engine, with overhead valves and seven main bearings.Ī post-war version of the 269 cubic inches (4.4 L) Blue Diamond became the Super Blue Diamond when installed in the post-war medium L-line trucks.

Lycoming Engine Lookup Series Trucks Received These engines were used by IHC for some heavy-duty applications until 1935, although their own large engines (525 cu in (8.6 L) FBD and 648 cu in (10.6 L) FEB) had appeared in 1932. While Internationals own engines underwent constant developments, the pace of truck production in the twenties was such that others engines (from Waukesha, Buda, and Lycoming for instance) had to be installed in some parts of the range. In 1915 a new L-head water-cooled 201 cubic inches (3.3 L) inline-four engine appeared. Their DT 466 engine started in 1974 and was very successful.ĭisplacement was 196 cubic inches (3.2 L). In the 1970s, IHC built the DVT 573 V-8 diesel of 240 and 260 hp (179 and 194 kW) but these were not highly regarded and relatively few were sold. Lycoming Engine Lookup Series Trucks Received.

Lycoming Engine Serial Number Lookup