Belgian State Railways Type 20

Class of 54 Belgian 0-8-0T locomotives

Type and origin
Power type	Steam
Build date	1870–1874, 1880
Total produced	54

Specifications
Configuration:
• Whyte	0-8-0 T
• UIC	D n2t
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Driver dia.	1,050 mm (3 ft 5+3⁄8 in)
Wheelbase	4.50 m (14 ft 9+1⁄4 in)
Length	10.020 m (32 ft 10+1⁄2 in)
Axle load	13.50 t (29,800 lb)
• 1st coupled	12.10 t (26,700 lb)
• 2nd coupled	12.65 t (27,900 lb)
• 3rd coupled	13.50 t (29,800 lb)
• 4th coupled	12.55 t (27,700 lb)
Loco weight	50.8 t (112,000 lb)
Fuel capacity	1,900 kg (4,190 lb)
Water cap.	6,600 L (1,450 imp gal; 1,740 US gal)
Firebox:
• Type	Belpaire
• Grate area	3.78 m (40.7 sq ft)
Boiler pressure	9 atm (0.912 MPa; 132 psi)
Heating surface	136.1033 m (1,465.004 sq ft)
Cylinders	Two, inside
Cylinder size	480 mm × 550 mm (18.90 in × 21.65 in)
Valve gear	Belpaire–Stévart

Performance figures
Tractive effort	9 atm: 7,292 kg (16,076 lb) 10 atm: 8,103 kg (17,864 lb)

Career
Operators	Belgian State Railways
Class	Type 20

The Belgian State Railways Type 20 was a class of 0-8-0 T steam locomotives, introduced in 1870.

Construction history

The locomotives were built by various manufacturers from 1870–1874. One additional locomotive was delivered by Cockerill in 1880. The machines were designed by Belpaire and Stevart and had a Belpaire–Stévart valve gear.

Production quantities
Manufacturer	Quantity	Years	Note
Malines	1	1870	EB No 50, Prototype
Cockerill	34	1871–1875
Cockerill	1	1880
Couillet	5	1874
Tubize	14	1873–1874

References

^ Dambly (1966).
Tordeur (1909), chpt. V, pp. 32–33.
Dagant (1974), p. 183.
^ Delporte (2019).
^ Vandenberghen (1988), p. 131.
^ Dagant (1974), p. 88.
Dagant (1974), p. 124.
Dagant (1974), p. 100.

Bibliography

Tordeur, Emile (1909). Le Machiniste des Chemins de Fer Belges (in French).
Dambly, Phil (Oct 1966). "Nos inoubliables vapeurs - Troisième période, 1864-1884 - Régime Belpaire". Le Rail (in French). No. 122.
Dagant, André (1974). "Cent vingt-cinq ans de construction de locomotives à vapeur en Belgique". Bulletin de l'Institut archéologique liégeois (in French). 86. Liège: Maison Curtius: 23–244.
Vandenberghen, J. (1988). Période Belpaire - Masui (in French). Bruxelles: SNCB.
Delporte, Luc (23 Apr 2019). "Locomotive à fortes rampes, Tubize type 12 (Type 20 EB)". Musée 'de la Porte'. Retrieved February 26, 2021.

v t e Belgian steam locomotives
Belgian State Railways	Type 1 Type 2 Type 4 Type 5 Type 6 Type 7 Type 10 Type 11 Type 12 Type 20 Type 23 Type 25 Type 28 Type 29 Type 30 Type 32 Type 51
National Railway Company of Belgium	Type 1 Type 12 Type 26 Type 29 Type 36 Type 64
Other	Le Belge Pays de Waes

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