The British Rail Class NUMBER@1 were a class of twenty 0-4-0 diesel-hydraulic shunting locomotives built by the ORGANIZATION@1 in NUMBER@2 -LRB- first ten , D2850-D2859 -RRB- and NUMBER@3 -LRB- D2860-D2869 -RRB- for service in areas of restricted loading gauge and curvature such as docks .

The British Rail Class NUMBER@1 were a class of twenty 0-4-0 diesel-hydraulic shunting locomotives . They were built by the ORGANIZATION@1 in NUMBER@2 -LRB- first ten , D2850-D2859 -RRB- and NUMBER@3 -LRB- D2860-D2869 -RRB- . They were built for use in places of restricted loading gauge and curves such as docks .
