NEW ENTRY | DATE | ENGINE | HEADCODE | TRAIN/LOCATION | NOTES |
| 01/08/1974 | 40072 | 3N18 | 2021 Bradford Foster Square - Sunderland Brian Mills Depot | |
| 02/08/1974 | 40001 | | 1556 Holyhead - Manchester Victoria | |
| 02/08/1974 | 40001 | | Down Irish Mail | Seen at Sandycroft 1138hrs |
| 02/08/1974 | 40015 | | 1000 London Euston - Bangor | |
| 02/08/1974 | 40015 | | 1534 Bangor - London Euston | |
| 02/08/1974 | 40020 | | 1020 Manchester Victoria - Holyhead | |
| 02/08/1974 | 40023 | | 0910 Holyhead - London Euston | To? |
| 02/08/1974 | 40023 | | 1300 London Euston - Holyhead | |
| 02/08/1974 | 40028 | | 0834 Manchester Victoria - Llandudno | |
| 02/08/1974 | 40029 | | Seen at Sandycroft,1226hrs | Down freightliner |
| 02/08/1974 | 40090 | | Up Irish Mail | Seen at Sandycroft 1748hrs |
| 02/08/1974 | 40117 | | 1625 Holyhead - Euston | |
| 02/08/1974 | 40117 | | Seen at Sandycroft,1128hrs | On Down passenger train |
| 02/08/1974 | 40171 | | 1322 Holyhead - London Euston | |
| 02/08/1974 | 40177 | 1D44 | 0825 London Euston - Holyhead | From? |
| 02/08/1974 | 40186 | | Seen at Sandycroft,1240hrs | Down Ballast empties |
| 03/08/1974 | 40054 | | 0115 Kings Cross - Newcastle | |
# | 03/08/1974 | 40074 | 1E96 | 1144 Edinburgh Waverley - Kings Cross | |
# | 03/08/1974 | 40102 | | ? - Llandudno | Passenger |
| 03/08/1974 | 40118 | | Seen at Rhyl | On Passenger stock |
| 03/08/1974 | 40122 | | 1556 Holyhead - Manchester Victoria | |
| 03/08/1974 | 40143 | | 0848 Manchester Piccadilly - Skegness | |
# | 03/08/1974 | 40143 | 1M34 | 1322 Skegness - Manchester Piccadilly | |
| 03/08/1974 | 40151 | 1P14 | 0830 Newcastle - Gt Yarmouth | |
| 03/08/1974 | 40198 | 1M48 | Seen at Rhyl | On Passenger stock |
| 04/08/1974 | 40145 | | Newark - Norwich | Troopex > |
| 04/08/1974 | 40145 | | Norwich - ? | < ECS |
| 05/08/1974 | 40072 | | Stabled at Bradford Foster Square Sidings | |
| 06/08/1974 | 40083 | 1D02 | 1220 Kings Cross - Cleethorpes | |
| 06/08/1974 | 40083 | 1A34 | 1738 Cleethorpes - Kings Cross | |
| 06/08/1974 | 40148 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
# | 07/08/1974 | 40051 |   | Seen at Scunthorpe |   |
| 07/08/1974 | 40157 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 08/08/1974 | 40183 | 1S48 | 0916 Grantham - Edinburgh Waverley | To Newcastle at least |
| 09/08/1974 | 40018 | | 0912 Newcastle - Kings Cross | |
| 09/08/1974 | 40038 | 5A00 | Newcastle - Kings Cross | Ecs |
| 10/08/1974 | 40142 | | Stabled at Aberdeen Ferryhill | |
| 10/08/1974 | 40152 | | Stabled at Aberdeen Ferryhill | |
| 10/08/1974 | 40177 | | 0848 Manchester Piccadilly - Skegness | |
# | 10/08/1974 | 40177 | 1M34 | 1322 Skegness - Manchester Piccadilly | |
# | 11/08/1974 | 40032 | | Seen at Doncaster Station | Up passenger, middle road |
| 11/08/1974 | 40060 | | Stabled inside Polmadie Depot | Bonnet doors open |
| 11/08/1974 | 40131 | | Seen at Adlington | On? |
# | 11/08/1974 | 40183 |   | Seen at Doncaster |   |
# | 11/08/1974 | 40198 |   | Seen at Doncaster |   |
| 12/08/1974 | 40071 | | Stabled at March Depot | |
| 12/08/1974 | 40074 | | Stabled at March Depot | |
| 12/08/1974 | 40094 | | Stabled at Crewe Diesel Depot | Evening |
| 12/08/1974 | 40104 | | Stabled at Crewe Diesel Depot | Am |
| 12/08/1974 | 40117 | | Seen at Birmingham New Street | Light engine |
| 12/08/1974 | 40174 | | Stabled at Crewe Diesel Depot | Am |
| 12/08/1974 | 40180 | | Stabled at Crewe Diesel Depot | Am |
| 12/08/1974 | 40187 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 13/08/1974 | 40004 | | Seen at Preston station | Northbound freight,midday |
| 13/08/1974 | 40010 | | Seen on Arnside viaduct | Towards Barrow,coal empty minerals |
| 13/08/1974 | 40013 | | Stabled at Springs Branch Depot | Midday |
| 13/08/1974 | 40090 | | Stabled at Crewe Diesel Depot | 1500hrs |
| 13/08/1974 | 40114 | | 1010 Manchester Victoria - Newcastle | |
| 13/08/1974 | 40133 | | Seen at Warrington Bank Quay | Northbound freight morning |
| 13/08/1974 | 40141 | | Seen at Warrington Bank Quay | Northbound Light engine morning |
| 13/08/1974 | 40141 | | Stabled at Springs Branch Depot | Midday |
| 13/08/1974 | 40144 | | Stabled at Springs Branch Depot | Midday |
| 13/08/1974 | 40190 | | 1020 Manchester Victoria - Holyhead | |
| 14/08/1974 | 40021 | | Seen at Preston Station | Light engine am |
| 14/08/1974 | 40025 | | 1010 Manchester Victoria - Newcastle | |
| 14/08/1974 | 40045 | | Seen at Manchester Victoria | Light engine,late evening |
| 14/08/1974 | 40052 | | Seen at Huntingdon Station | On? |
| 14/08/1974 | 40053 | | Seen at Huntingdon Station | On? |
| 14/08/1974 | 40069 | | Seen at Huntingdon Station | On? |
| 14/08/1974 | 40074 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 14/08/1974 | 40102 | | Seen at Leeds Station | Late afternoon |
| 14/08/1974 | 40117 | | Stabled at Crewe Diesel Depot | Am |
# | 14/08/1974 | 40157 | | Stabled at Perth | |
| 14/08/1974 | 40170 | 1??? | Glasgow Central - Liverpool Lime Street | From Preston |
| 15/08/1974 | 40025 | | Stabled at Crewe Diesel Depot | Evening |
# | 15/08/1974 | 40029 | | Arpley Yard - Ribble | Coal empties |
| 15/08/1974 | 40045 | | Stabled at Crewe Diesel Depot | Evening |
| 15/08/1974 | 40068 | | Stabled at Holbeck Depot | Midday |
| 15/08/1974 | 40082 | | Stabled at Holbeck Depot | Midday |
| 15/08/1974 | 40105 | | Seen at Lancaster Station | Light engine |
| 15/08/1974 | 40125 | | Stabled at Holbeck Depot | Midday |
| 15/08/1974 | 40140 | | Stabled at Crewe Diesel Depot | Evening |
| 15/08/1974 | 40141 | | Stabled at Crewe Diesel Depot | Evening |
| 15/08/1974 | 40142 | | Stabled at Holbeck Depot | Midday |
| 15/08/1974 | 40190 | | Seen at Preston Station | Northbound freight am |
| 15/08/1974 | 40191 | | Seen at Preston Station | Morning light engine |
| 15/08/1974 | 40196 | | Seen at cambridge Station | On? What was first, see above? |
| 15/08/1974 | 40196 | | Seen at Leeds Station | Midday parcels |
| 16/08/1974 | 40031 | | ???? London Euston - Holyhead | Relief. Late evening. From Crewe |
| 16/08/1974 | 40034 | | 2217 Manchester Victoria - Holyhead | |
| 16/08/1974 | 40052 | | Seen at Manchester Victoria | Evening light engine |
| 16/08/1974 | 40104 | | Seen at Stoke on Trent Station | Evening light engine |
| 16/08/1974 | 40111 | | 2300 London King's Cross - Newcastle | Morning |
| 16/08/1974 | 40141 | | 1855 London Euston - Llandudno | From Crewe |
| 17/08/1974 | 40003 | | 1418 Crewe - Llandudno | |
| 17/08/1974 | 40003 | | 2130 London Euston - Holyhead | From Crewe |
| 17/08/1974 | 40009 | | Seen at Preston Station | Morning light engine |
| 17/08/1974 | 40012 | | 0945 Holyhead - London Euston | To Crewe |
| 17/08/1974 | 40015 | | Seen at Rhyl | |
| 17/08/1974 | 40017 | | Stabled at Springs Branch Depot | |
| 17/08/1974 | 40020 | | Seen at Preston Station | Morning light engine |
| 17/08/1974 | 40024 | | 2225 Manchester Victoria - Holyhead | |
| 17/08/1974 | 40024 | | Seen at Manchester Victoria | Morning light engine |
| 17/08/1974 | 40027 | | 1556 Holyhead - Manchester Victoria | |
| 17/08/1974 | 40031 | | 0630 Holyhead - London Euston | To Crewe |
# | 17/08/1974 | 40035 | 1E67 | 0848 Manchester Piccadilly - Skegness | |
# | 17/08/1974 | 40035 | 1M34 | 1322 Skegness - Manchester Piccadilly | |
| 17/08/1974 | 40044 | | Seen at Manchester Victoria | Morning passenger train to Heysham |
| 17/08/1974 | 40046 | | Seen at Bolton Station | Evening freight train |
| 17/08/1974 | 40052 | | Stabled at March Depot | |
| 17/08/1974 | 40070 | | Seen at Manchester Victoria | Westbound morning passenger train |
| 17/08/1974 | 40071 | | 1655 Holyhead - Manchester Victoria | |
| 17/08/1974 | 40082 | | Seen at Carnforth Station | Morning light engine |
| 17/08/1974 | 40092 | | 0810 Bradford - Llandudno | |
| 17/08/1974 | 40095 | | Seen at Carnforth Station | Light engine |
| 17/08/1974 | 40096 | | Seen at Carnforth Station | Southbound passenger train,midday |
| 17/08/1974 | 40104 | | 1020 London Euston - Llandudno | From Crewe |
| 17/08/1974 | 40104 | | 1553 Llandudno - London Euston | To Crewe |
| 17/08/1974 | 40114 | | 0900 Llandudno - York | |
| 17/08/1974 | 40120 | | Seen at Preston Station | Morning light engine |
| 17/08/1974 | 40124 | | 0936 York - Llandudno | |
| 17/08/1974 | 40129 | 1A23 | Seen arriving at Kings Cross | |
| 17/08/1974 | 40139 | | Seen at Lancaster Station | Northbound afternoon passenger train |
| 17/08/1974 | 40153 | | Seen at Carnforth Station | Morning light engine,for Cambrian coast line |
| 17/08/1974 | 40155 | | 0920 Leeds - Llandudno | |
| 17/08/1974 | 40175 | 1D43 | Seen arriving at Chester | From the East |
| 17/08/1974 | 40185 | | 0845 Holyhead - London Euston | To Crewe |
| 18/08/1974 | 40081 | 1Zxx | Carnforth Steamtown - Newcastle | Return Adex |
| 18/08/1974 | 40081 | 1Zxx | 0830 Newcastle - Carnforth steamtown | Adex |
| 18/08/1974 | 40126 | | 1730 Llandudno - Liverpool Lime Street | Return Adex |
| 18/08/1974 | 40131 | | ???? Leamington Spa - Rhyl | Adex |
| 18/08/1974 | 40175 | | 0125 Holyhead - Birmingham New Street | To ? |
| 19/08/1974 | 40029 | | Seen at Llandudno Junction | Westbound passenger,pm |
| 19/08/1974 | 40081 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 19/08/1974 | 40124 | | Seen at Chester | Eastbound oil train |
| 20/08/1974 | 40070 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 20/08/1974 | 40082 | | Seen at Guide Bridge | On? |
| 21/08/1974 | 40034 | | 1625 Holyhead - London Euston | To? |
| 21/08/1974 | 40035 | | Stabled on Holyhead MPD | |
| 21/08/1974 | 40043 | | Seen at Guide Bridge | Ballast Train |
| 21/08/1974 | 40081 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 21/08/1974 | 40082 | | Seen at Guide Bridge | Scrap metal train,for the Sheffield area |
| 21/08/1974 | 40190 | | Stabled on Holyhead MPD | |
| 22/08/1974 | 40151 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 23/08/1974 | 40105 | | 1855 London Euston - Llandudno | From Crewe |
| 23/08/1974 | 40026 + 40175 | | 2217 Manchester Victoria - Holyhead | |
| 23/08/1974 | 40026 + 40175 | | 2217 Manchester Victoria - Holyhead | |
| 24/08/1974 | 40002 | | 1310 prestatyn - Rhyl | |
| 24/08/1974 | 40020 | | Stabled at Springs Branch Depot | 1410hrs |
| 24/08/1974 | 40029 | | 0630 Holyhead - London Euston | To Crewe |
| 24/08/1974 | 40029 | | 2015 Holyhead - Crewe | |
# | 24/08/1974 | 40033 | 1E67 | 0848 Manchester Piccadilly - Skegness | |
# | 24/08/1974 | 40033 | 1M34 | 1322 Skegness - Manchester Piccadilly | |
| 24/08/1974 | 40035 | | 1655 Holyhead - Manchester Victoria | |
| 24/08/1974 | 40052 | 1??? | Yarmouth - Newcastle | PM. Seen at Durham |
| 24/08/1974 | 40097 | | Stabled at Crewe Diesel Depot | 1210hrs |
| 24/08/1974 | 40125 | | Seen at Rhyl | Am passenger |
| 24/08/1974 | 40127 | | Seen in Arpley Yard | On? 1345hrs |
| 24/08/1974 | 40137 | | 1600 London Euston - Holyhead | From Crewe |
| 24/08/1974 | 40155 | | Stabled at Tinsley Depot | |
| 24/08/1974 | 40178 | | Stabled at Springs Branch Depot | 1410hrs |
| 24/08/1974 | 40191 | | 1300 London Euston - Holyhead | |
| 24/08/1974 | 40191 | | Stabled at Crewe Diesel Depot | 1210hrs |
| 24/08/1974 | 40192 | | Stabled at Crewe Diesel Depot | 1210hrs |
| 24/08/1974 | 40196 | | 1050 Manchester Victoria - Llandudno | |
| 25/08/1974 | 40002 | | 1648 Holyhead - Manchester Victoria | |
| 25/08/1974 | 40013 | | 0125 Holyhead - Birmingham New Street | To Crewe at least |
| 25/08/1974 | 40025 | | At Crewe works | |
| 25/08/1974 | 40035 | | 2225 Manchester Victoria - Holyhead | |
| 25/08/1974 | 40055 | | Seen at Carnforth | On? 1600hrs |
| 25/08/1974 | 40057 | | Seen at Carnforth Depot | 1400hrs |
| 25/08/1974 | 40098 | | Seen at Carnforth | On? 1600hrs |
| 25/08/1974 | 40099 | | Seen at Lancaster Station | On? 1630hrs |
| 25/08/1974 | 40104 | | Preston Station - Ladywell Sidings | < Light engine |
| 25/08/1974 | 40104 | | Seen at Preston Station | On? 1200hrs > |
| 25/08/1974 | 40126 | | 1610 Holyhead - London Euston | To Crewe |
| 25/08/1974 | 40133 | | 1500 London Euston - Holyhead | From Crewe |
| 26/08/1974 | 40002 | | 1000 London Euston - Holyhead | From Crewe |
| 26/08/1974 | 40002 | | 2225 Manchester Victoria - Holyhead | |
| 26/08/1974 | 40003 | 1??? | Blackpool North - Manchester Victoria | |
| 26/08/1974 | 40010 | | Seen at Bangor | Passenger train |
| 26/08/1974 | 40041 | | Seen at Preston Station | On? 1130hrs |
| 26/08/1974 | 40088 | | ???? Llandudno - Stoke on Trent | PM relief |
| 26/08/1974 | 40088 | | ???? Stoke on Trent - Bangor | AM relief |
| 26/08/1974 | 40119 | | Llandudno - Manchester Victoria | Relief |
| 26/08/1974 | 40137 | | ???? Stoke on Trent - Bangor | AM relief |
| 26/08/1974 | 40179 | | Stabled at Springs Branch Depot | 1330hrs |
| 26/08/1974 | 40181 | | Stabled at Ladywell Sidings | 1200hrs |
| 26/08/1974 | 40186 | | Seen at Preston Station | Lunchtime on? |
| 26/08/1974 | 40191 | | 1320 Holyhead - London Euston | To Crewe |
| 27/08/1974 | 40162 | | Stabled at Haymarket Depot | |
| 27/08/1974 | 40198 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 28/08/1974 | 40070 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 28/08/1974 | 40078 | | Seen at York Works | |
| 28/08/1974 | 40095 | | Seen at Crewe Station | Light engine |
| 28/08/1974 | 40120 | | 1000 Manchester Victoria - Holyhead | |
| 28/08/1974 | 40131 | 1??? | Holyhead - Manchester Victoria | |
| 28/08/1974 | 40150 | | At Crewe Works | |
# | 28/08/1974 | 40171 | | At Crewe Works | |
| 29/08/1974 | 40034 | | At Sheffield Station | Light engine |
| 29/08/1974 | 40034 | | Seen arriving at Sheffield Station on stock | From the north |
| 29/08/1974 | 40075 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 29/08/1974 | 40171 | | At Crewe Works | |
| 29/08/1974 | 40192 | 6M41 | 1205 Dewsnap - Earles Sidings | Seen at Sheffield Station |
| 30/08/1974 | 40071 | | Seen at Newcastle on a passenger | Towards Darlington |
| 30/08/1974 | 40080 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 31/08/1974 | 40027 | | 0848 Manchester Piccadilly - Skegness | |
# | 31/08/1974 | 40027 | 1M34 | 1322 Skegness - Manchester Piccadilly | |
| 31/08/1974 | 40108 | | Seen at Leyland | On minerals |
| 31/08/1974 | 40151 | 1A25 | Cleethorpes - Kings Cross | Passenger train |
# | 31/08/1974 | 40184 | 3S22 | 1040 Kings Cross - Edinburgh Waverley | Parcels. Seen at Peterborough |