Ruston & Hornsby built these diesel shunters for industry in the 1960s in diesel-hydraulic (LSSH) or diesel-electric (LSSE) versions. A modified version of the latter with some extra features for mainline use was bought by British Railways as it's
Class 07.
The LSSE/H has a small wheelbase (and could be either be a 0-4-0 or 0-6-0 locomotive depending on the customer's requirements) to cope with the tight curves typically found on industrial railways but be larger and more powerful than the small diesel-mechanical shunter usually found on these lines.
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| Iris seen at Princes Risborough |
| Information |
| Built: |
1959-1968 |
| Builder: |
Ruston & Hornsby |
| Motor: |
Paxman 6RPHL diesel |
| Power: |
Typically 275 hp (205 kW) though could vary |
| Wheel arrangement: |
0-4-0 or 0-6-0 |
A number of the shunters were sold to MOD use an example being Iris (RH 459515 / 1961) which once carried the number WD8214. It is now preserved on the Chinnor & Princes Risborough Railway. A small number now carry TOPS numbers as
Class 01/5 - former industrial shunters now used on the main line. One being 01 509 at Chiltern Railway's depot at
Aylesbury.
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| 01 509 at Aylesbury |
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| Another view of Iris, in a shed in Chinnor |
