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Class 115 Derby 4-car DMUs


Numbering

Type Class Weight Seats Diagram  Design Code Lot number
51651-51680 DMBS 115 38 tons   78 2nd 598 DQ 218 30530
51849-51860 DMBS 115 38 tons 78 2nd 598 DQ 218 30595
51861-51900 DMBS 115 38 tons 78 2nd 598 DQ 218 30598
59649-59663 TS 173 29 tons 106 2nd 590 DT 208, DT 229 30531
59664-59678 TCL 177 30 tons 30 1st + 40 2nd   599 * 30532
59713-59718 TS 173 29 tons 106 2nd 590 DT 208, DT 229 30596
59719-59724 TCL 177 30 tons 30 1st + 40 2nd 599 * 30597
59725-59744 TS 173 29 tons 106 2nd 590 DT 208, DT 229 30599
59745-59764 TCL 177 30 tons 30 1st + 40 2nd 599 * 30600

* DT227 (TS), DT303 (TC), DT307 (gangwayed TC)

The 4-car sets were formed DMBS - TS - TCL - DMBS, giving a brake van in both ends of the formation. Un-gangwayed, just one vehicle in the 4-car set had a toilet!

Later some vehicles were gangwayed.

Diagram 590 was shared with Class 127 vehicles, the vehicles being identical.

DMBS 51899 was named 'Aylesbury College' (with an smaller line of text 'Silver Jubilee 1987') on September 20, 1987.

Worksplates

Worksplates were carried on the vehicle solebars to identify the builder and lot number. Many of the worksplate images on the website are from the collections of Simeon Gaskell, John Horne and Tony Spencer.

Lot 30530 worksplate Lot 30595 worksplate Lot 30596 worksplate Lot 30598 worksplate Lot 30599 worksplate

Driving Instructions

Many earlier DMU types had a booklet from the 33003 series issued specifically for them, none have been found for these vehicles.

This March 1961 editon covered all Blue Square vehicles - BR 33003-92. A companion to this was a "Preparation and Disposal" booklet BR 33003/211.

In 1968 the booklets were replaced by a three part set for Blue Square vehicles Mechanical Transmission):
BR 33003/247 1 - General Data And Equipment
BR 33003/248 2 - Driving Instructions Including Standard Preparation and Disposal Duties
BR 33003/249 3 - Fault Finding Data and Charts

In the early seventies the 33003 series was replaced by the more generic 33056 series of drivers manuals, no longer specific to any coupling code.

Details about preserved Class 115s can be found here.