The Steeple Grange Light Railway has in its stock sixteen former industrial narrow gauge locomotives.
The mainstay of the passenger service for most of the railway's life has been Greenbat, a Greenwood & Batley battery electric locomotive dating from 1960. It was built originally for the Halesowen Steel Company and finished its industrial days at Tinsley Wireworks in Sheffield.

ZM32 on the traverser at Steeple House
After passing into private ownership it moved to the SGLR, and following air braking it has now spent more than a decade on the line. During 2000-2001 it underwent a major re-build.
Of particular interest to enthusiasts of industrial railways is Horwich, named after the BR Locomotive Works where it originally worked under the number ZM32. This was bought from Gloddfa Ganol, Blaenau Ffestiniog following the closure of the museum there in 1997.
The original motive power on the line was a petrol inspection trolley specially constructed for the railway from a Hudson skip chassis (previously a four seat manrider at Ladywash Mine). A surplus wartime Villiers engine was fitted and seating constructed for the driver and two P/W workers. After a number of years languishing at the back of the shed, 2003 saw its re-emergence, and when its renovation is complete it is expected to see regular use on the line. It will carry the name Hudson after its chassis manufacturer.
Five other locos were bought from Gloddfa Ganol: two battery-electric locos – B.E.V. and Spondon – and three Hibberds. The other locomotives at the railway are two Lister diesels, Lizzie and Lister; another Greenwood & Batley battery electric, Number 6; and five further battery electric locos.
Locomotive Stock List
| No. | Name | Type | Manufacturer | Works No. | Date | Status |
| 1 | Number 6 | 4w BE | Greenwood & Batley | 2493 | 1946 | R ¶ |
| 2 | Hudson Trolley | 2w–2 P | Hudson / SGLR | 1989 | O | |
| 3 | Greenbat | 4w BE | Greenwood & Batley | 6061 | 1961 | O |
| 4 | Lizzie | 4w D | Lister / Clay Cross Co | 1973 | R ¶ | |
| 5 | 551 – B.E.V. | 4w BE | B.E.V. | 551 | 1924 | R ¶ |
| 6 | No 1 – Spondon | 4w BE | Notts & Derby Electric Power Co | 1935 | R ¶ os | |
| 7 | Hibberd Y Type | 4w P | Hibberd | 1881 | 1934 | A ¶ os |
| 8 | Hibberd | 4w P | Hibberd | 3424 | 1949 | A ¶ os |
| 9 | Hibberd DY Type | 4w D | Hibberd | 4008 | 1963 | R ¶ |
| 10 | Lister | 4w D | Lister | 37736 | 1951 | A ¶ os |
| 11 | ZM32 – Horwich | 4w D | Rushton and Hornsby | 416214 | 1957 | O ¶ |
| 12 | Greensburg Scout | 4w BE | Greensburg Scout | A ¶ | ||
| 13 | Plymouth EB2 | 4w BE | Plymouth | A ¶ | ||
| 14 | Lady Margorie | 4w BE | Clayton | O ¶ | ||
| 15 | L10 | 4w BE | Clayton | 5431 | 1968 | R ¶ |
| 16 | L16 – Peggy | 4w BE | Clayton | B0109B | 1973 | O ¶ |
BE – Battery electric D – Diesel P – Petrol
O – Operational R – Under restoration A – Awaiting restoration
¶ – Privately owned by members of the SGLR Society
os – Off site

Greenbat and Lizzie outside the old engine shed at Steeple House