| Engine No | Model | Year | Condition | History | Name | Area | Images |
|---|
| 7849 | YDB | 1940 | | Bought at clearing sale at Castlereach NSW in 2009 was under a tree for 40yrs repaired pump & injector now setup as display engine | | | |
| 7867 | YDB | 1940 | | YB-D (number three) arrived here yesterday from Tuena creek NSW ... installed to the shearing shed there in 1940 to replace the steam engine there and this engine removed from its original foundations yesterday 4/7/2016 owned by the one family since new ... been under cover for 74years not run for at least 20years when electric motor was fitted to the shafting - | | | |
| 8129 | YDB | 1940 | | | | | |
| 8449 | YDB | 1940 | | | | | |
| 10364 | YDB | 1941 | | | | | |
| 10368 | YDB | 1941 | | | | | |
| 10393 | YDB | 1941 | | GREEN | | | |
| 11827 | YDB | 1941 | | Lives in the 1934 Qantas Hanger in Parap, Darwin | | NT | |
| 11876 | YDB | 1942 | | | | | |
| 11877 | YDB | 1942 | Good | came from a dairy farm driving a pump | | Vic | |
| 12051 | YDB | 1942 | Wreck | | | | |
| 12741 | YDB | 1942 | | | | | 1 |
| 12762 | YDB | 1942 | | Bought from Mayfield NSW via ebay | John | Coonamble | |
| 12776 | YDB | 1942 | | | | | |
| 13676 | YDB | 1942 | | | | | |
| 13704 | YDB | 1942 | | | | | |
| 14218 | YDB | 1942 | | | | | |
| 14579 | YDB | 1943 | | used by the military has arrow stamped on the tag look at picture | | | 1 |
| 15336 | YDB | 1943 | | | | | |
| 16006 | YDB | 1943 | | | | | |
| 17149 | YDB | 1943 | | Bought in complete condition from Gin Gin Qld via online auction site, runs ok needs a good valve job, needs a honda cranking engine to fire up and then runs well,came with an original radiator complete and fitted, test run pulling a 240v generator on around 3000watts for around ten hours, a lovely old engine | John | Coonamle | |
| 19093 | YDB | 1944 | | | | | |
| 20105 | YDB | 1945 | Original | Seen at National Rally at Biloela 2007 Engine mounted on drill rig | | | |
| 20158 | YDB | 1945 | restorable | | Rob | Young | |
| 20184 | YDB | 1945 | Restored | Seen at QHR rally 08 | | | |
| 20966 | YDB | 1945 | | Bought from Tocumwal army disposals with 2 others used to run pump for years. All 3 were bought and one restored from the other 2 engines | | | |
| 20980 | YDB | 1945 | | | | | |
| 21382 | YDB | 1945 | | | | NSW | |
| 21470 | YDB | 1946 | | | | | |
| 21515 | YDB | 1946 | | | | | |
| 21524 | YDB | 1945 | | | | | |
