Described in order of boiler type and then in boiler number order.
| Boiler Nos. | Blr. Dgm. | BO | Date | Allocation and remarks |
|---|---|---|---|---|
| 1619-28 | BR-3 | 5 | EO404 new 4-6-0 intended for Nos. 73100-09 Boilers constructed at Darlington (their BN77) Actually fitted to Nos. 73110-14/16/05/19/08/09 |
|
| 1629-33 | BR-3 | 2 | Part EO403 new 4-6-0 intended for Nos. 73110-14 Boilers possibly constructed at Darlington Actually fitted to Nos. 73115/17/18/06/07 |
|
| 1634-38 | BR-3 | 3 | Part EO403 new 4-6-0 intended for Nos. 73115-19 Boilers possibly constructed at Darlington Actually fitted to Nos. 73124/20-23 |
|
| 1639-43 | BR-3 | 4 | EO402 new 4-6-0 intended for Nos. 73120-24 Boilers built at Darlington (their BN76)Actually fitted to 73100-04 |
|
| 1780-89 | BR-3 | 7 | EO406 new 4-6-0 Nos. 73155-64. Boilers built at Darlington (their BN85) | |
| 1790-96 | BR-3 | 8 | EO407 new 4-6-0 Nos. 73165-71. Boilers built at Darlington (their BN85) | |
| 1335-42 | BR-5 | 978 | EO398 new 2-6-4T Nos. 80106-15 Not clear where the boilers were constructed |
|
| 1872 | BR-5 | (12) | Needed at Stratford. Order transferred to SR for construction | |
| 1053-62 | BR-7 | 984 | For new 2-6-0 to be completed at Horwich Boiler parts made at Darlington, assembled at Doncaster, sent to Horwich |
|
| 1063-67 | BR-7 | 974 | EO395 new 2-6-0 Nos. 76020-24 | |
| 1223-32 | BR-7 | 976 | EO396 new 2-6-0 Nos. 76025-34 | |
| 1233-42 | BR-7 | 977 | EO397 new 2-6-0 Nos. 76035-44 | |
| 1517-26 | BR-7 | 993 | EO399 new 2-6-0 intended for Nos. 76045-54 not clear where the boilers were constructed Actually fitted to Nos. 76070-72/63-67/69/51 |
|
| 1527-36 | BR-7 | 994 | EO400 new 2-6-0 intended for Nos. 76055-64 Actually fitted to Nos. 76045-49/53-57 |
|
| (1537-46)
1537-41 |
BR-7 | 995 | EO401 new 2-6-0 intended for Nos. 76065-74
EO later reduced to 76065-69 |
|
| 1542-46 | BR-7 | 6 | EO405 new 2-6-0 intended for Nos. 76070-74 Actually fitted to Nos. 76102/01/03/04/00 |
|
| 1600 | BR-7 | 992 | 3/1953 | Spare boiler. Sent to SR 1/1955 |
| 1604-05 | BR-7 | 996 | Spare boilers intended for SR., but fitted instead to new Nos. 76068/50 | |
| 1822-31 | BR-7 | 9 | EO408 new 2-6-0 intended for Nos. 76100-9. Boilers built at Darlington Actually fitted to Nos. 76052/74/73, 76114/08/13/05/10/06/12 |
|
| 1832-36 | BR-7 | 10 | EO409 new 2-6-0 intended for Nos. 76110-14. Boilers built at Darlington First 3 boilers were actually fitted to Nos. 76109/11/07Last 2 boilers were sent to Stratford as spares |
|
| (1872) | BR-7 | (12) | Spare boiler for Stratford intended for construction at Doncaster Order transferred to SR (possibly Brighton) |
|
| 1875 | BR-7 | 13 | Spare boiler. Sent to Eastleigh 5/1957 | |
| 1943 | BR-7 | 24 | Spare boiler constructed at Doncaster. Sent to SR 8/1959 |