PKP class SM04

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SM04-002 Chabówka 2 (Nemo5576).jpg
SM04-002 at Chabówka Railway Museum
Type and origin
Power type Diesel
Builder Zastal  POL
Model 409Da
Build date 1972, 1978
Total produced 2
AAR wheel arr. B
Gauge 1,435 mm (4 ft 8 12 in)
Driver diameter 950 mm
Length 6,940 mm
Width 2,970 mm
Height 3,380 mm
Locomotive weight 24 T
Fuel capacity 250 l
Engine type 10H6/14H6
Cylinders 6
Transmission Mechanical
Performance figures
Maximum speed 25.7 km/h (Ls150)
45.8 km/h (2LS150)
Power output 133 kW
Tractive effort 58.5 kN
Locomotive brake Knorr
Operator(s) PKP
Class SM04
Locale  POL Poland
Delivered 1972, 1978

The SM04 (factory designation 409Da) is a low power, Polish built shunter, formerly operated by PKP (Polish National Railways) and is an improved version of the SM03.


Built between 1972 and 1978, the SM04 differed from its predecessor in that its construction allowed for the installation of a more powerful diesel engine, built under licence from Henschel. Originally, this engine was to be the 10H6, which had a power output of 160 bhp; however the 180 bhp 14H6 was used instead.

The SM04 was mainly sold to industry, where they carried their factory designation of 409Da. A mere 2 examples were acquired by PKP at the beginning of the 1990s. Both locomotives had been salvaged from Zakłady Naprawcze Taboru Kolejowego w Sędziszowie (Sędziszów Rolling Stock Reparation Plant), but were removed from PKP's inventory in 2000. One of these is now stationed as an exhibit at the railway museum in Chabówka.

Locomotive assignment[edit]

Loco nos. Operator Remarks
002 Chabówka Railway Museum Exhibit

See also[edit]

External links[edit]