SNCF 62026 at Bobigny in 1983.
(Didier Duforest, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons)
BALDWIN DRS-6-4-660NA DIESEL-ELECTRIC LOCOMOTIVE
The Baldwin DRS-6-4-660, known in France as the A1AA1A 62000, is a road switcher diesel-electric locomotive built by Baldwin Locomotive Works between 1946 and 1948. The DRS-6-4-660s were powered by a naturally aspirated six-cylinder diesel engine rated at 660 horsepower (492 kW), and rode on a pair of three-axle trucks in an A1A-A1A wheel arrangement. 106 of these models were built for railroads in Morocco and France.
Diesel-electric locomotive A1A-A1A serial 040 DA of SNCF. These locomotives were given by the USA during the Marshall plan, ca 1946-1950.
(Tangopaso, Public domain, via Wikimedia Commons)
Name designation
DRS - Diesel Road Switcher
6 - Six axles
4 - Four powered axles
660 - 660 horsepower
Original buyers
| Railroad | Quantity | Road numbers | Notes |
|---|---|---|---|
| SNCF | 100 | 040-DA-1 to 040-DA-100 | Renumbered 62001-62100 |
| Morocco | 6 | DB-401 to DB-406 | |
| Totals | 106 |
Overview
Type and origin
Power type: Diesel-electric
Builder: Baldwin Locomotive Works
Model: DRS-6-4-660
Build date: 1946–1948
Total produced: 106
Specifications
Configuration:
• AAR A1A-A1A
• UIC (A1A)(A1A)
Gauge: 1,435 mm (4 ft 8+1⁄2 in)
Prime mover: 606NA
Aspiration: Naturally aspirated
Generator: DC Generator
Traction motors: DC traction motors
Cylinders: 6
Transmission: Electrical
Locomotive brake: Straight air
Train brakes: Air
Performance figures
Power output: 660 hp (492 kW)
Career
Locale: Morocco, France
