Class 37 - Data Sheet
Welcome to our in-depth exploration of the British Railways & English Electric Class 37 locomotives. This section will provide you with comprehensive information about each sub-class, highlighting their unique characteristics, operational changes to each sub-class, and their history to the railway industry. Join us as we delve into the fascinating world of these iconic locomotives, showcasing their significance in British rail transport. Whether you’re a railway enthusiast or just curious, there’s plenty to discover!
Sub Class: | 37/0 | 37/3 | 37/4 | 37/5 | 37/6 | 37/7 | 37/9 | 97/3 |
|---|---|---|---|---|---|---|---|---|
Cylinder Bore: | 10 inches | 10 inches | 10 inches | 10 inches | 10 inches | 10 inches | 10 1/4 inches | 10 inches |
Cylinder Stroke: | 12 inches | 12 inches | 12 inches | 12 inches | 12 inches | 12 inches | 12 1/4 inches | 12 inches |
Main Generator Type: | EE 822/10G, EE822-13G or EE822-16J | EE 822/10G, EE822-13G or EE822-16J | N/A | N/A | N/A | N/A | N/A | EE 822/10G, EE822-13G or EE822-16J |
Main Alternator Type: | N/A | N/A | Brush BA1005A | Brush BA1005A | Brush BA1005A | Brush BA100A GEC G564AZ (37796 - 37803) | Brush BA1005A (37901 - 904) GEC G564AZ (37905 & 906) | N/A |
Auxiliary Generator Type: | EE911/5C | EE911/5C | N/A | N/A | N/A | N/A | N/A | EE911/5C |
Auxiliary Alternator Type: | N/A | N/A | Brush BAA606A | Brush BAA606A | Brush BAA606A | Brush BAA606A G658A, 659AZ or 658BY (37796 - 37803) | Brush BA606A (37901 - 904) GEC 564 (37905 & 906) | N/A |
Number of Traction Motors: | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Gear Ratio: | 53:18 | 59:16 | 59:16 | 59:16 | 59:16 | 59:16 | 59:16 | 53:18 |
Fuel Tank Capacity (see note 2): | 890 gal or 1690 gal | 1690 gal | 1690 gal | 1690 gal | 1690 gal | 1690 gal | 1690 gal | 1690 gal |
Engine Coolant Capacity: | 160 gallons | 160 gallons | 160 gallons | 160 gallons | 160 gallons | 160 gallons | 160 gallons | 160 gallons |
Boiler Water Capacity (see note 2): | 800 gallons | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Boiler Fuel Capacity: | From Main Supply | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Notes:
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1. Locomotives fitted with body mounted horns are 12ft 9 1/16 inches in height, those with roof mounted horns are 13ft 3/4 inches in height.
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2. Following the removal of steam heating systems, the steam boiler water tank was converted into an additional fuel tank, thus providing an additional 800 gallons capacity.