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|image = 33108_2020010133108_20230615.jpg|caption = Class 33 No 33108 at Bewdley in 2020Highley, June 2023

'''33108 ''' is a '''BR Class 33 ''' diesel-electric locomotive, owned by the [[Class 33/1 Preservation Company Ltd]].33108 first visited the SVR for the 2012 Diesel Gala, and again attended the Spring Diesel Festival in 2017. Following the latter, it has remained at stayed on loan to the SVR for an extended stay, initially until at least May 2018 and later further extended<ref name="MeetTheLoco">[http://www.svr.co.uk/MeetTheLoco.aspx?id=90 SVR - Operational & non-operational diesel locomotives], accessed 14 January 2018</ref>, and then remained. The SVR list it as a 'home fleet' locomotive.

The Southern Region of British Railways ordered 98 locomotives from Birmingham Railway Carriage and Wagon Company (BRCW) of SmethickSmethwick, Birmingham (works numbers DEL 92-156, DEL 169-189 and DEL 157-168). The last 12 locomotives were 7 inches narrower, to enable working through the restricted tunnels of the Hastings line. All were delivered between 1960 and 1962 in standard BR loco green, most being repainted BR blue during the late 1960s and early 1970s. The locomotives were of a new design, based on the BRCW Type 2 (later Class 26), with a larger engine. They are powered by a Sulzer 8 cylinder in-line engine of 1,550 bhp, designated 8LDA. The main generator and the four traction motors were supplied by Crompton Parkinson, hence the class's 'Crompton' nickname. The class worked all kinds of duties on the Southern Region including passenger trains, for whey which they were the first BR diesel locomotives to have electric train heating.  During 1967, 19 of the locomotives were fitted with push-pull equipment to enable them to haul 4-TC units on the unelectrified section from Bournemouth to Weymouth, and to carry warning lights and klaxons for boat trains on the road section of the Quay.<ref>[http://www.class33crompton.co.uk/CromptonHistory.htm Cromptons' history, BR Class 33 website] (Retrieved 12 September 2020)</ref> In the TOPS renumbering these were designated Class 33/1 and the Hastings line 'Slim Jims' Class 33/2. Electrification was extended to Weymouth in 1988 and the 33/1 sub-class displaced to wider duties.

Since 2010, 33108 has attended numerous diesel galas across the country,<ref name="Class33PresCo" /> including the SVR in 2012 and 2017. Following the latter 33108 was invited for an extended stay at the SVR and, in addition to passenger duties, the locomotive was regularly used on Permanent Way trains and other duties following the departure of Class 20s [[BR Class 20 D8059|D8059]] and [[BR Class 20 D8188|D8188]].<ref>[https://forum.svr-online.org.uk/viewtopic.php?t=3931 SVR Forum - Class 33 33108], accessed 20 November 2017</ref> <gallery mode=packed heights=200px style="text-align:left">33108 Bridgnorth 2012.jpg|33108 at Bridgnorth in 201233108_20200101.jpg |33108 at Bewdley, January 2020</gallery>

33108 was taken out of traffic in May 2021 to allow for traction motor replacement, a bodywork overhaul and repaint.<ref>[https://33pres.com/home-page/loco-roster-2/ Class 33/1 Preservation Company Ltd, Loco Roster] (retrieved 19 May 2021)</ref> On 9 July 2021 [[BR Class 31 31466]] was collected from the Dean Forest Railway by [[50049|50049 Defiance]] and delivered to Kidderminster as cover for 33108. The work on 33108 was substantially completed by early 2023, with the loco carrying Civil Engineers 'Dutch' livery. <gallerymode=packed heights=200px style="text-align:left">33108 Bridgnorth 201233108_200176_20230407.jpg|33108 at Bridgnorth in 2012Kidderminster, April 2023

*[[Diesel Locomotives]]*[[Diesel Locomotives visiting the SVR for galas]]<br>*[[Locomotive numbering|Locomotives running under different identities]]<br>*[[Diesel Locomotives hired by the SVR]]*[[Class 33/1 Preservation Company Ltd]]