The Class 332 EMUs are used exclusively on the Heathrow Express out of London Paddington. The trains leave for the airport every fifteen minutes on a non-stop journey which takes fifteen minutes. Similar units known as the
Class 333 operate in the North of England.
| Information |
| Number built: |
61 (14 4 and 5 car sets) |
| Built: |
1997-98, 2002 |
| Builder: |
CAF Siemens |
| Engine: |
4 Siemens traction motors (25kV AC OHLE) |
| Power: |
1, 877 hp (1, 400 kW) |
| Formation: |
Driving Motor First Open (DMFO)+Trailer Standard Open (TSO)
+Pantograph Trailer Standard Open Kavatory (PTSOL)+
Driving Motor Standard Open (DMSO) or
DMSO+TSO+PTSOL+Driving Motor First Lavatory Open (DMFLO)
(5 car sets have an extra TSO) |
The EMUs were originally delivered as three-car sets but have been reformed as four and five car sets with further car deliveries. There are nine four-car sets and five five-car sets [1]. They were the first electric trains to operate on the Great Western Main Line after a portion was electrified as far as the airport junction.
 |
| 332 012 passes through Ealing Broadway heading for Paddington |
 |
| 332 001 up on jacks at the Heathrow Express depot at Old Oak Common |
 |
| Interior of 332 003 |
 |
| Another view inside Old Oak Common depot |
 |
| Cab of 332 003 |
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| 332 006 waits to depart at London Paddington |
[1] Colin J. Marsden, DMU and EMU Recognition Guide (Ian Allan, 2013) p. 266
