Changes

Most of the diesel locomotives are based at the [[Diesel Depot| Kidderminster TMD]] at Kidderminster. However operational diesel locomotives are also stationed at Bridgnorth , Highley and Bewdley.

! style="width: 5%;" | No !! style="width: 10%;" | Designer !! style="width: 5%;" | Class !! style="width: 5%;" | Wheel arrangement !! style="width: 5%;" | Built !! style="width: 10%;" | Owned by !! style="width: 10%;" | Original owner !! style="width: 10%;" | Notes

| [[Ruston and Hornsby 165hp Diesel Shunter D2957 | 319290]] || Ruston & Hornsby || 165DM || [[Whyte notation | 0-4-0]] || 1952 || [[Severn Valley Railway (Holdings) PLC | SVR(H)]] || B.I.P. Chemicals || Operational. Based at Bewdley.

| [[Ruston and Hornsby 165hp Diesel Shunter D2960 | D2960]] || Ruston & Hornsby || 165DM || 0-4-0 || 1950 || [[Severn Valley Railway (Holdings) PLC | SVR(H)]] || British Sugar Corp || Operational. Based at Kidderminster.

| [[Ruston and Hornsby 165hp Diesel Electric Shunter D2961 | D2961]] || Ruston & Hornsby || 165DE || 0-4-0 || 1957 || Pete Cherry || Patent Shaft Steelworks || Operational. Based at Bridgnorth.

| [[BR Class 08 D3022 | D3022]] || English Electric || 08 || [[Whyte notation | 0-6-0]] || 1953 || [[Class 08 Society]] || British Railways || Operational. Based at Kidderminster.

| [[BR Class 08 D3201 13201 | D320113201]] || English Electric || 08 || 0-6-0 || 1955 || [[Class 08 Society]] || British Railways || Operational. Based at Kidderminster.

| [[BR Class 08 D3586 | D3586]] || English Electric || 08 || 0-6-0 || 1955 || [[Severn Valley Railway (Holdings) PLC | SVR(H)]] || British Railways || Operational. Based at Bridgnorth.

| [[BR Class 08 D3802 | D3802/08635]] || English Electric || 08 || 0-6-0 || 1969 || [[Severn Valley Railway (Holdings) PLC | SVR(H)]] || British Railways || Stored Undergoing conversion at KidderminsterTMD under the Harrier hydro shunter project.<ref name="Status">For parts retrieval</ref>

| [[BR Class 08 08896 | 08896]] || English Electric || 08 || 0-6-0 || 1962 || [[Severn Valley Railway (Holdings) PLC | SVR(H)]] || British Railways || Stored at Kidderminster.<ref name="Status">For parts retrieval</ref>

| [[BR Class 09 09012 | D4100]] || English Electric || 09 || 0-6-0 || 1961 || [[Severn Valley Railway (Holdings) PLC | SVR(H)]] || British Railways || Operational. Based at Kidderminster.

| [[BR Class 09 09107 | 09107]] || English Electric || 09 || 0-6-0 || 1961 || [[Severn Valley Railway (Holdings) PLC | SVR(H)]] || British Railways || Operational. Based at Kidderminster.

| [[BR Class 11 12099 | 12099]] || English Electric || 11 || 0-6-0 || 1952 || [[Severn Valley Railway Charitable Trust Ltd]] || British Railways || Undergoing overhaul Operational. Based at [[Diesel Depot | Kidderminster Diesel Depot]].

| [[BR Class 14 D9551 | D9551]] || BR Swindon || 14 || 0-6-0 || 1965 || [[SVR Class 14 Company Limited]] || British Railways || Operational. Based at Bridgnorth.|-| [[Clayton Class 17 Bo-Bo D8568 | D8568]] || Clayton || 17 || [[UIC classification | Bo-Bo]] || 1964 || [[Diesel Traction Group]] || British Railways || Operational, usually from Kidderminster. |-| [[BR Class 33 33108 | 33108]] || BRCW || 33 || Bo-Bo || 1960 || [[Class 33/1 Preservation Company Ltd]] || British Railways || Operational, usually from Highley|-| [[BR Class 35 D7029 | D7029]] || Beyer Peacock || 35 (Hymek) || [[UIC classification | B-B]] || 1962 || [[Diesel Traction Group]] || British Railways || Undergoing overhaul at Kidderminster TMD.

| [[BR Class 35 D7029 37 37308 | D702937308]] || Beyer Peacock English Electric || 35 (Hymek) 37 || Co-Co || 1965 || || British Railways ||In store at Kidderminster TMD.|-| [[BR Class 40 40106 Atlantic Conveyor | 40106 Atlantic Conveyor]] || English Electric || 40 || Co-Co || 1960 || || British Railways || Operational, usually from Kidderminster.|-| [[UIC classification BR Class 42 D821 Greyhound | D821 Greyhound]] || BR Swindon || 42 (Warship) || B-B]] || 1960 || [[Diesel Traction Group]] || British Railways || Undergoing overhaul Operational. Based at [[Diesel Depot | Kidderminster Diesel Depot]].

| [[BR Class 37 37308 50 50007 Hercules | 3730850007 Hercules]] || English Electric || 37 50 || Co-Co || 1968 || [[The Class 50 Alliance]] || English Electric Leasing: Leased to British Railways ||Arrived on SVR 12 July 2020 for completion of restoration Operational. Based at the [[Diesel Depot]]Kidderminster. Main line registered.

| [[BR Class 42 D821 Greyhound 50 50031 Hood | D821 Greyhound50031 Hood]] || BR Swindon English Electric || 42 (Warship) 50 || B [[UIC classification | Co-B Co]] || 1968 || [[Diesel Traction Group50031 Consortium Limited]]. Operated by [[The Class 50 Alliance]] || English Electric Leasing: Leased to British Railways || Operational. Based Under repair at KidderminsterTMD.

| [[BR Class 50 50007 Hercules 50033 Glorious | 50007 Hercules50033 Glorious]] || English Electric || 50 || Co-Co || 1968 || On loan to [[The Class 50 Alliance]] || English Electric Leasing: Leased to British Railways ||Operational. Based Under repair at Kidderminster. Main line registeredTMD. |-| [[BR Class 50 50031 Hood 50035 Ark Royal | 50031 Hood50035 Ark Royal]] || English Electric || 50 || [[UIC classification | Co-Co]] || [[50031 Consortium Limited]]. Operated by 1968 || [[The Class 50 Alliance]] || English Electric Leasing: Leased to British Railways || Operational. Based at Kidderminster.

| [[BR Class 50 50035 Ark Royal 50044 Exeter | 50035 Ark Royal50044 Exeter]] || English Electric || 50 || Co-Co || 1968 || [[The Class 50 Alliance]] || English Electric Leasing: Leased to British Railways || Operational. Based at Kidderminster.

| [[BR Class 50 50044 Exeter 50049 Defiance | 50044 Exeter50049 Defiance]] || English Electric || 50 || Co-Co || 1968 || [[The Class 50 Alliance]] || English Electric Leasing: Leased to British Railways || Operational. Based at Kidderminster. Main line registered.

| [[BR Class 50 50049 Defiance 52 D1013 Western Ranger| 50049 DefianceD1013 Western Ranger]] || English Electric BR Swindon || 50 52 || Co [[UIC classification | C-Co C]] || 1962 || [[The Class 50 AllianceWestern Locomotive Association]] || English Electric Leasing: Leased to British Railways || Operational. Based Undergoing overhaul at Kidderminster. Main line registeredTMD.

| [[BR Class 52 D1013 D1015 Western RangerChampion| D1013 D1015 Western RangerChampion]] || BR Swindon || 52 || [[UIC classification | C-C]] || 1963 || [[Western Locomotive AssociationDiesel Traction Group]] || British Railways || Undergoing overhaul Based at Kidderminster Diesel Depot. Main line registered.

| [[BR Class 52 D1015 D1048 Western ChampionLady| D1015 D1048 Western ChampionLady]] || BR Swindon || 52 || C-C || 1962 || [[Diesel Traction GroupWestern Locomotive Association]] || British Railways || Operational on one engine only. Based at Kidderminster. Main line registered.Non-operational

| [[BR Class 52 D1062 Western Courier|D1062 Western Courier]] || BR Swindon || 52 || C-C || 1963 || [[Western Locomotive Association]] || British Railways || Operational. Based at Bridgnorth.

From time to time other diesel locomotives visit the Severn Valley Railway for gala appearances or for maintenance. {{As of|2020|}}, the other main locomotives present at the SVR are as follows: {| class="wikitable sortable"! style="width: 5%;" | No !! style="width: 10%;" | Designer !! style="width: 5%;" | Class !! style="width: 5%;" | Wheel arrangement !! style="width: 10%;" | Owned by !! style="width: 10%;" | Original owner !! style="width: 10%;" | Notes|-| [[Clayton Class 17 Bo-Bo D8568 | D8568]] || Clayton || 17 || Bo-Bo || *[[Diesel Traction Group]] || British Railways || In Locomotives hired by the [[Diesel Depot]] for contract maintenance.|-| [[BR Class 33 33108 | 33108]] || BRC&W || 33 || Bo-Bo SVR|| Class 33/1 Preservation Company || British Railways || See [[Diesel Locomotives hired by the SVR]]|-| [[BR Class 37 37190|37190]] || English Electric || 37 || Co-Co || Locomotive Services Limited || British Railways ||Arrived on SVR 12 July 2020 , sometimes for infrastructure workextended periods.|-| [[BR Class 40 40106 Atlantic Conveyor|40106 Atlantic Conveyor]] || English Electric || 40 || 1Co-Co1 || Class Forty Preservation Society || British Railways ||See *for [[Diesel Locomotives hired by visiting the SVRfor galas|galas]]. Resident at East Lancashire Railway, but moved to the SVR 2 August 2018 as part of sometimes including a relationship with the Class Forty Preservation Society in place short period of the intended hiree 40135. Steam heat fittedrunning other services. |-| 47773 || Brush || 47 || Co-Co || Locomotive Services Limited || British Railways ||In the *for [[Diesel Depot]] for Other rolling stock visiting the SVR|contract storage or maintenance |-| [[BR Class 50 50033 Glorious | 50033 Glorious]] || English Electric || 50 || Co-Co || Tyseley Loco Works || English Electric Leasing: Leased to British Railways ||Leased by [[Class 50 Alliance Limited]]. Resident at Tyseley Loco Works, but moved to the SVR 2018 usually for short periods and sometimes for contract worksrepeated visits. First ran at the SVR Autumn Diesel Gala in October 2019.|-|}

*[httphttps://www.svr.co.uk/MeetTheLocos.aspx visit-us/ SVR "Meet The Locoour locomotives"]