SZD Db (Baldwin 0-6-6-0 1000).


The Baldwin 0-6-6-0-1000/1DE is a cab unit diesel-electric locomotive built by Baldwin Locomotive Works in 1945. The 0-6-6-0-1000/1DEs were powered by an eight-cylinder diesel engine rated at 1,000 horsepower (746 kW), and rode on a pair of three-axle trucks in a C-C wheel arrangement. 30 of these models were built for Soviet Railways, today Russian Railways, as Class Дб (Class Db).


Diagram of the SZD Db (Baldwin 0-6-6-0 1000).

(kitchener.lord, CC BY-NC-ND 2.0 DEED,

SZD Db or Baldwin 0-6-6-0 1000.

(Lord Kitchener, CC2.0)


Original buyers

Railroad Quantity Road Numbers Notes
Soviet Railways 30 Дб20-71 to Дб20-100 former US Army 2460–2489
Totals 30

A Baldwin ad touting the sale.

Mark Laundry Collection.

(kitchener.lord,CC BY-NC-ND 2.0 DEED,


Baldwin 0-6-6-0-1000/1DE Overview

(СЖД Дб (SZhD Db) 

Type and origin
Power type: Diesel-electric
Builder: Baldwin Locomotive Works
Serial number: 72173-72202
Model: 0-6-6-0-1000/1DE
Build date: June-August 1945
Total produced: 30
​• AAR: C-C
• UIC: C′C′
Gauge: 1,524 mm (5 ft); 1,520 mm (4 ft 11+27⁄32 in) Russian gauge
Trucks: GSC Commonwealth
• Truck: 13’
Length: 18 m (58 ft)
Height: 5 m (15 ft)
Locomotive weight: 135.1 tons; (122.6 tonnes; 120.7 long tons)
Prime mover: 8VO
Engine type: Four-stroke diesel
Aspiration: Normally aspirated
Generator: Westinghouse 480D
Traction motors: Westinghouse 370F (6)
Cylinders: 8
Transmission: Electric
Gear ratio: 68:14
Locomotive brake: Straight air
Train brakes: Air
Performance figures
Maximum speed: 97 km/h (60 mph)
Power output: 746 kW (1,000 hp)
Operators: Soviet Railways (СЖД / SZhD)
Class: Дб (Db)
Road Numbers: Дб20-71 to Дб20-100 (Db20-71 to Db20-100)
Locale: Soviet Union
Withdrawn: 1981


A Baldwin 0-6-6-0-1000/1DE at work on the Soviet Railway.