NEW ENTRY | DATE | ENGINE | HEADCODE | TRAIN/LOCATION | NOTES |
| 01/04/1975 | 40026 | 1A00 | 2046 Barrow-in-Furness - London Euston | To? |
| 01/04/1975 | 40108 | 7F61 | Corkickle - Northwich | Seen at Barrow-in-Furness |
| 01/04/1975 | 40159 | | 1410 Edinburgh Waverley - Aberdeen | |
| 01/04/1975 | 40174 | | Seen at Stafford Station | On? |
| 01/04/1975 | 40186 | 8P17 | 1550 Maryport - Barrow-in-Furness Yard | Seen at Barrow-in-Furness |
| 01/04/1975 | 40191 | | Seen at Rugeley Station | On? |
| 02/04/1975 | 40115 | | Seen at Wigan North Western | Passenger to Liverpool Lime Street |
| 02/04/1975 | 40148 | | 1610 Newcastle - Liverpool Lime Street | |
| 03/04/1975 | 40029 | 1J78 | 0940 Cleethorpes - Manchester Piccadilly | Via Brigg & Retford |
| 03/04/1975 | 40029 | 5M54 | 1200 Sheffield - Longsight | Empty vans |
# | 03/04/1975 | 40037 | | Stabled at Edge Hill Depot | |
# | 03/04/1975 | 40038 | | Stabled at Edge Hill Depot | |
| 04/04/1975 | 40029 | 1J78 | 0940 Cleethorpes - Manchester Piccadilly | Via Brigg & Retford |
| 04/04/1975 | 40029 | | Cleethorpes - Manchester Piccadilly | Empty vans |
| 04/04/1975 | 40058 | | 0758 Newcastle - Liverpool Lime Street | |
| 04/04/1975 | 40108 | 7F61 | Corkickle - Northwich | Seen at Barrow-in-Furness |
| 04/04/1975 | 40135 | | Stabled at Shrewsbury Station | 1400hrs |
| 05/04/1975 | 40026 | | Seen on the blocks at Liverpool Lime Street | With a passenger train,from Wigan NW at least |
| 05/04/1975 | 40032 | | Stabled at Polmadie Depot | |
| 05/04/1975 | 40073 | | Seen at Carnforth Station | On? |
| 05/04/1975 | 40099 | | Seen passing Carnforth F & M Junc box | On a train of bogie flats |
| 05/04/1975 | 40108 | 8P41 | Northwich - Corkickle | Seen at Barrow-in-Furness |
| 05/04/1975 | 40167 | | Seen at Polmont | Adex,from ?-? |
| 06/04/1975 | 40006 | | At Crewe Works | |
| 06/04/1975 | 40011 | | Stabled at Northwich Depot | |
| 06/04/1975 | 40013 | | Stabled at Reddish Depot | |
| 06/04/1975 | 40017 | | Stabled at Springs Branch Depot | |
| 06/04/1975 | 40024 | | Stabled at Newton Heath Depot | |
| 06/04/1975 | 40028 | | Stabled at Reddish Depot | |
| 06/04/1975 | 40029 | | Stabled at LongsightDepot | |
| 06/04/1975 | 40030 | | Seen in Warrington Arply yard | On ? |
| 06/04/1975 | 40032 | | Stabled at Reddish Depot | |
| 06/04/1975 | 40034 | | Stabled at Springs Branch Depot | |
| 06/04/1975 | 40035 | | Stabled at Longsight Depot | |
| 06/04/1975 | 40076 | | Seen in Warrington Arply yard | On ? |
| 06/04/1975 | 40077 | | At Crewe Works | |
| 06/04/1975 | 40090 | | Stabled at Springs Branch Depot | |
| 06/04/1975 | 40093 | | Stabled at Springs Branch Depot | |
| 06/04/1975 | 40099 | | Stabled at Newton Heath Depot | |
| 06/04/1975 | 40105 | | Stabled at Longsight Depot | |
| 06/04/1975 | 40110 | | Stabled at Longsight Depot | |
| 06/04/1975 | 40112 | | Stabled at Newton Heath Depot | |
| 06/04/1975 | 40117 | | Stabled at Northwich Depot | |
| 06/04/1975 | 40127 | | Stabled at Newton Heath Depot | |
| 06/04/1975 | 40170 | | Stabled at Springs Branch Depot | |
| 06/04/1975 | 40175 | | Stabled at Newton Heath Depot | |
| 06/04/1975 | 40177 | | Stabled at Springs Branch Depot | |
| 06/04/1975 | 40179 | | Seen in Warrington Arply yard | On ? |
| 06/04/1975 | 40186 | | Stabled at Springs Branch Depot | |
| 06/04/1975 | 40189 | | At Crewe Works | |
| 07/04/1975 | 40035 | | 1610 Newcastle - Liverpool Lime Street | |
| 07/04/1975 | 40115 | 2??? | Manchester Piccadilly - Liverpool Lime Street | Vice DMU |
| 08/04/1975 | 40125 | | Inverness - Tain | Light engine |
| 08/04/1975 | 40141 | 6E48 | Corkickle - Barton-on-Humber | Seen at Barrow-in-Furness |
| 08/04/1975 | 40175 | 6H57 | Seen at Peak Forest | Empty hoppers to Great rocks |
| 08/04/1975 | 40125 + 24127 ran out of fuel | | 1515 Wick - Inverness | From Tain,additional |
| 09/04/1975 | 40027 | | 2032 Shrewsbury - Wolverhampton | |
| 09/04/1975 | 40027 | | 2140 Wolverhampton - Shrewsbury | |
| 09/04/1975 | 40050 | | 1610 Newcastle - Liverpool Lime Street | |
| 09/04/1975 | 40058 | | 0758 Newcastle - Liverpool Lime Street | |
# | 09/04/1975 | 40149 | 1E16 | 1710 Liverpool Lime Street - Newcastle | |
| 09/04/1975 | 40157 | 6S34 | Seen on Lincoln Avoiding Lines | Northbound fitted freight |
| 10/04/1975 | 40137 | 8P49 | ? - ? | Seen at Barrow-in-Furness |
# | 11/04/1975 | 40016 | 1E16 | 1710 Liverpool Lime Street - Newcastle | |
| 11/04/1975 | 40029 | 7V00 | Carlisle - Severn Tunnel Junction | Seen at Barrow-in-Furness |
| 11/04/1975 | 40037 | 8P49 | ? - ? | Seen at Barrow-in-Furness |
| 11/04/1975 | 40046 | | Seen at Millon(Cumbria) | On freight |
# | 11/04/1975 | 40057 | | Stabled at Manchester Victoria | 1740hrs |
| 11/04/1975 | 40067 | | Seen at Peterborough Station | On? |
| 11/04/1975 | 40068 | | 1610 Newcastle - Liverpool Lime Street | |
| 11/04/1975 | 40073 | | Stabled at York Depot | 1345hrs |
| 11/04/1975 | 40086 | | Stabled at York Depot | 1345hrs |
| 11/04/1975 | 40102 | | Stabled at Gateshead Depot | 1645hrs |
| 11/04/1975 | 40109 | | Seen north of Durham | On? 1550hrs |
| 11/04/1975 | 40132 | 6P32 | ? - ? | Seen at Barrow-in-Furness |
| 11/04/1975 | 40154 | | Seen at Peterborough Station | On? |
# | 11/04/1975 | 40197 | | Stabled at Manchester Victoria | 1740hrs |
| 12/04/1975 | 40014 | | Stabled at Gateshead Depot | 1145hrs |
| 12/04/1975 | 40016 | | L.N.E.R. Society RailtoursThe North Yorkshireman(St Pancras-Scarborough) | York - Malton - Scarborough |
| 12/04/1975 | 40016 | | L.N.E.R. Society RailtoursThe North Yorkshireman(St Pancras-Scarborough) | Scarborough - Malton - York |
| 12/04/1975 | 40029 | | Seen at Etruria | Northbound tanks, 0930ish |
| 12/04/1975 | 40049 | | Seen at Newcastle Station | On? 1115hrs > |
| 12/04/1975 | 40049 | | Seen in Tyne Yard | < On? 1430hrs |
| 12/04/1975 | 40054 | | Stabled at Gateshead Depot | 1145hrs |
| 12/04/1975 | 40064 | | Stabled at Haymarket Depot | |
| 12/04/1975 | 40067 | | Stabled at Gateshead Depot | 1145hrs |
| 12/04/1975 | 40073 | | Seen in Tyne Yard | < On? 1430hrs |
| 12/04/1975 | 40073 | | Stabled at Gateshead Depot | 1145hrs > |
| 12/04/1975 | 40087 | | Seen in Tyne Yard | On? 1430hrs |
| 12/04/1975 | 40112 | | Seen at Heaton Carriage Sidings | On? 1400hrs |
| 12/04/1975 | 40151 | | Stabled at Gateshead Depot | 1145hrs |
| 12/04/1975 | 40152 | | Seen in Tyne Yard | On? 1430hrs |
| 12/04/1975 | 40153 | | Seen in Tyne Yard | On? 1430hrs |
| 12/04/1975 | 40187 | | Seen passing Gateshead depot | On? 1105hrs |
| 13/04/1975 | 40013 | | Stabled at Thornaby Depot | 1940hrs |
| 13/04/1975 | 40056 | | Seen at York Station | On? 1815hrs (ish) |
| 13/04/1975 | 40059 | | Stabled at York Depot | 1720hrs |
| 13/04/1975 | 40069 | | Seen at Darlington Station | On? 1300hrs |
| 13/04/1975 | 40075 | | Stabled at York Depot | 1720hrs |
| 13/04/1975 | 40078 | | Stabled at York Depot | 1720hrs |
| 13/04/1975 | 40080 | | Stabled at York Depot | 1720hrs |
| 13/04/1975 | 40083 | | Stabled at York Depot | 1720hrs |
| 13/04/1975 | 40199 | | Stabled at Thornaby Depot | 0900hrs |
| 14/04/1975 | 40068 | | 1610 Newcastle - Liverpool Lime Street | |
| 14/04/1975 | 40163 | | Seen at Huntingdon Station | On? |
| 14/04/1975 | 40174 | | Seen at Huntingdon Station | On? |
| 15/04/1975 | 40042 | 7F61 | Corkickle - Northwich | Seen at Barrow-in-Furness |
| 15/04/1975 | 40080 | | Stabled at Gateshead Depot | 1745hrs |
| 15/04/1975 | 40115 | | Seen at Barrow-in-Furness | On freight |
| 15/04/1975 | 40141 | 6E48 | Corkickle - Barton-on-Humber | Seen at Barrow-in-Furness |
| 15/04/1975 | 40149 | | 1808 Newcastle - Liverpool Lime Street | |
| 15/04/1975 | 40150 | | Seen at Newcastle Station | Afternoon |
| 16/04/1975 | 40047 | | Seen at Wath Road Junction | On? 1420hrs |
| 16/04/1975 | 40084 | | Seen at Newcastle Station | Midday |
| 16/04/1975 | 40088 | | Stabled at Gateshead Depot | 1130hrs |
| 16/04/1975 | 40107 | | Stabled at Gateshead Depot | 1130hrs |
| 16/04/1975 | 40149 | | Seen at Darlington Station | On? 1210hrs |
| 16/04/1975 | 40150 | | Seen at Newcastle Station | Midday |
| 16/04/1975 | 40187 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 16/04/1975 | 40188 | | Seen at Aldwarke Junction | On? 1410hrs |
| 16/04/1975 | 40197 | | Seen at Normanton | On? 1345hrs |
# | 17/04/1975 | 40018 | | Seen at Manchester Victoria | 1745hrs. Coal train |
# | 17/04/1975 | 40067 | 1E16 | 1710 Liverpool Lime Street - Newcastle | |
# | 17/04/1975 | 40177 | | Seen at Manchester Victoria | 1755hrs. Stone train |
| 19/04/1975 | 40019 | | M. & G.N.J.R.S.The Conway Bay Express(Day Out With a Difference No.27)(Euston-Bangor) | Crewe - Chester - Rhyl - Llandudno Junction - Bangor |
| 19/04/1975 | 40019 | | M. & G.N.J.R.S.The Conway Bay Express(Day Out With a Difference No.27)(Euston-Bangor) | Bangor - (reverse of outward route) - Crewe |
| 19/04/1975 | 40107 | | Seen on Workington shed | Coupled with ECS |
| 19/04/1975 | 40120 | 1L79 | ? - ? | Down adex, seen at Millom(Cumbria), pm |
# | 20/04/1975 | 40025 | | Stabled at Guide Bridge | |
# | 20/04/1975 | 40122 | | Stabled at Guide Bridge | |
# | 20/04/1975 | 40129 | | Stabled at Guide Bridge | |
# | 20/04/1975 | 40130 | | Stabled at Guide Bridge | |
# | 20/04/1975 | 40170 | 1A22 | 1037 Carlisle - London Euston | Seen at Wigan Wallgate |
| 22/04/1975 | 40032 | 7F61 | Corkickle - Northwich | Seen at Barrow-in-Furness |
| 22/04/1975 | 40148 | 8E76 | ? - ? | Seen at Barrow-in-Furness |
| 22/04/1975 | 40172 | 8P31 | 1140 Brewery Sidings - Carlisle Kingmoor Yard | Seen at Barrow-in-Furness |
| 23/04/1975 | 40025 | | Seen arriving at Preston Station | Down Cement |
| 24/04/1975 | 40032 | 7F61 | Corkickle - Northwich | Seen at Barrow-in-Furness |
| 24/04/1975 | 40041 | 1A00 | 2046 Barrow-in-Furness - London Euston | To? |
| 24/04/1975 | 40148 | 8E76 | ? - ? | Seen at Barrow-in-Furness |
| 25/04/1975 | 40159 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 25/04/1975 | 40198 | | Seen on the Warrington - Chester line | Prestflows |
| 26/04/1975 | 40001 | | Seen southbound at Gowhole between New Mills and Chinley | Light Engine |
| 26/04/1975 | 40099 | | Seen at Huntingdon Station | On? |
| 26/04/1975 | 40112 | 3M06 | Sunderland(Brian Mills Depot) - Nottingham | Parcels |
| 27/04/1975 | 40049 | | Seen at Peterborough Station | On? |
| 27/04/1975 | 40064 | | Seen at Peterborough Station | On? |
| 27/04/1975 | 40099 | | Seen at Peterborough Station | On? |
# | 27/04/1975 | 40185 | 1A22 | 1037 London Euston - Carlisle | Seen at Wigan Wallgate |
| 28/04/1975 | 40042 | 8P31 | 1140 Brewery Sidings - Carlisle Kingmoor Yard | Seen at Barrow-in-Furness |
| 28/04/1975 | 40094 | 7F61 | Corkickle - Northwich | Seen at Barrow-in-Furness |
| 29/04/1975 | 40046 | 8E76 | ? - ? | Seen at Barrow-in-Furness |
| 29/04/1975 | 40094 | 7F61 | Corkickle - Northwich | Seen at Barrow-in-Furness |
| 29/04/1975 | 40187 | 8P31 | 1140 Brewery Sidings - Carlisle Kingmoor Yard | Seen at Barrow-in-Furness |
| 30/04/1975 | 40002 | 8P31 | 1140 Brewery Sidings - Carlisle Kingmoor Yard | Seen at Barrow-in-Furness |
| 30/04/1975 | 40002 | | Also seen on a passenger train | Where to where? |
| 30/04/1975 | 40174 | 4M05 | Leeds - ? | Freightliner |
| 30/04/1975 | | | The Vietnam War ends on this day | |