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 and Bewdley.

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

| [[BR Class 08 D3802 | D3802/08635]] || English Electric || 08 || 0-6-0 || [[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 11 12099 | 12099]] || English Electric || 11 || 0-6-0 || [[Severn Valley Railway Charitable Trust Ltd]] || British Railways || Undergoing overhaul at [[Diesel Depot | Kidderminster Diesel Depot]]TMD.

| [[BR Class 27 D5410 | D5410]] || Birmingham R C & W Ltd || 27 || Bo-Bo || Sandwell Council || British Railways || At Leicester LIP after bodywork overhaul at Cranmore.|- | [[BR Class 35 D7029 | D7029]] || Beyer Peacock || 35 (Hymek) || [[UIC classification | B-B]] || [[Diesel Traction Group]] || British Railways || Undergoing overhaul at [[Diesel Depot | Kidderminster Diesel Depot]]TMD.

| [[BR Class 50 50031 Hood | 50031 Hood]] || English Electric || 50 || [[UIC classification | Co-Co]] || [[50031 Consortium Limited]]. Operated by [[The Class 50 Alliance]] || English Electric Leasing: Leased to British Railways || Operational. Based Under repair at KidderminsterTMD.

| [[BR Class 52 D1013 Western Ranger| D1013 Western Ranger]] || BR Swindon || 52 || [[UIC classification | C-C]] || [[Western Locomotive Association]] || British Railways || Undergoing overhaul at Kidderminster Diesel DepotTMD.

| [[BR Class 52 D1015 Western Champion| D1015 Western Champion]] || BR Swindon || 52 || C-C || [[Diesel Traction Group]] || British Railways || Operational on one engine only. Based at Kidderminster. Main line registered.

From time to time other diesel locomotives visit the Severn Valley Railway for gala appearances or for maintenance. {{As of|20192021|038}}, the other main locomotives present at the SVR are as follows:

| [[BR Clayton Class 33 33108 17 Bo-Bo D8568 | 33108D8568]] || BRC&W Clayton || 33 17 || Bo-Bo || Class 33/1 Preservation Company [[Diesel Traction Group]] || British Railways || See [[Diesel Locomotives hired by the SVR]]Based at Chinnor & Princes Risborough Railway. Operational, usually from Kidderminster.

| [[BR Class 37 37688 Great Rocks 33 33108 | 37688 Great Rocks33108]] || English Electric BRC&W || 37 33 || CoBo-Co Bo || D05 Class 33/1 Preservation Limited Company || British Railways || Arrived Jan 2018Out of traffic in May 2021 for traction motor replacement, is now expected to work into 2020bodywork overhaul & repaint. See [[Diesel Locomotives hired by the SVR]]

| [[BR Class 40 40106 Atlantic Conveyor|40106 Atlantic Conveyor]] || English Electric || 40 || 1Co-Co1 || Class Forty Preservation Society || British Railways ||Arrived See [[Diesel Locomotives hired by the SVR]]. Operational. Resident at East Lancashire Railway, but moved to the SVR 2 August 2018 as part of a relationship with the Class Forty Preservation Society. 40106 was to have swapped with steam Steam heat fitted 40135 in September 2018; 40106 is now expected to work into 2020. Steam heat fitted

| [[BR Class 50 50026 Indomitable|50026 Indomitable]] 50008 Thunderer || English Electric || 50 || Co-Co || Paul Spracklen || English Electric Leasing: Leased to British Railways ||Arrived January 2018 on a 1 August 2021 for commercial basis for rectification work using bogie repairs in the [[Diesel Depot|TMD]] facilities. The locomotive previously visited the SVR in 2010-11 for repair work and Summer 2014 for hire.<ref>[https://forum.svr-online.org.uk/viewtopic.php?t=1459&postdays=0&postorder=asc&start=30 SVR Forum thread] (Retrieved 4 February 2017)</ref>

| [[BR Class 50 Alliance Limited 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 of Tyseley Loco Works, but moved to the SVR 2018 for contract works. Advertised to first run at the SVR Autumn Diesel Gala in October 2019Operational.

*[[List of rolling stock]]<br>*[[Locomotive timeline]]*[[Diesel Locomotives hired by the SVR]]<br>*[[Class 108 DMU | Diesel Multiple Unit (DMU)]]<br>*[[Former Residents|Diesel locomotives formerly resident on the SVR]]*[[Whyte notation]] (wheel arrangements for small diesels)<br>*[[UIC classification]] (wheel arrangements for large diesels)<br>*[[Locomotive numbering|Locomotives running under different identities]]<br>[[Diesel Locomotives hired by the SVR]]