Est 441 to 485

Specifications
Specifications
Configuration:;
• Whyte	0-4-2
• UIC	B1 n2
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Driver dia.	1,840 mm (6 ft 1⁄2 in) (other sources: 1,820 or 1,850 mm (5 ft 11+5⁄8 in or 6 ft 7⁄8 in))
Trailing dia.	1,220 mm (4 ft 0 in)
Length	8.595 m (28 ft 2.4 in)
Adhesive weight	27.8 t (61,300 lb)
Loco weight	37.2 or 39.7 t (82,000 or 87,500 lb)
Tender weight	24.0 or 27.0 t (52,900 or 59,500 lb)
Fuel capacity	5.0 t (11,000 lb)
Water cap.	7.0 or 10.0 m3 (1,540 or 2,200 imp gal; 1,850 or 2,640 US gal)
Firebox:
• Type	Crampton
• Grate area	1.71 m2 (18.4 sq ft)
Boiler pressure	10 kg/cm2 (0.981 MPa; 142 psi)
Heating surface	103.2 m2 (1,111 sq ft)
Cylinders	Two, inside
Cylinder size	430 mm × 610 mm (16+15⁄16 in × 24 in)
Valve gear	Stephenson

Type and origin
Type and origin
Power type	Steam
Designer	M. Regray
Builder	SACM-Graffenstaden (25); SACM-Belfort (20);
Build date	1885
Total produced	45

Est 441 to 485
Est 441 to 485
Power type
Type and origin
Power type	Steam
Designer	M. Regray
Builder	SACM-Graffenstaden (25); SACM-Belfort (20);
Build date	1885
Total produced	45
Configuration:;
Specifications
Configuration:;
• Whyte	0-4-2
• UIC	B1 n2
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Driver dia.	1,840 mm (6 ft 1⁄2 in) (other sources: 1,820 or 1,850 mm (5 ft 11+5⁄8 in or 6 ft 7⁄8 in))
Trailing dia.	1,220 mm (4 ft 0 in)
Length	8.595 m (28 ft 2.4 in)
Adhesive weight	27.8 t (61,300 lb)
Loco weight	37.2 or 39.7 t (82,000 or 87,500 lb)
Tender weight	24.0 or 27.0 t (52,900 or 59,500 lb)
Fuel capacity	5.0 t (11,000 lb)
Water cap.	7.0 or 10.0 m3 (1,540 or 2,200 imp gal; 1,850 or 2,640 US gal)
Firebox:
• Type	Crampton
• Grate area	1.71 m2 (18.4 sq ft)
Boiler pressure	10 kg/cm2 (0.981 MPa; 142 psi)
Heating surface	103.2 m2 (1,111 sq ft)
Cylinders	Two, inside
Cylinder size	430 mm × 610 mm (16+15⁄16 in × 24 in)
Valve gear	Stephenson
Maximum speed
Performance figures
Maximum speed	90 km/h (56 mph)
Power output	620 CV (456 kW; 612 hp)
Tractive effort	6 t (13,200 lb)
Operators
Career
Operators	Chemins de fer de l'Est; SNCF;
Power class	Est series 3 (later 4)
Numbers	Est: 441 – 485; SNCF: 021 A 446, 452, 472, 474, 478;
Retired	1926–1945

Est 441 to 485 was a class of 45 French 0-4-2 locomotives for mixed service, built in 1885 for the Chemins de fer de l'Est.^[1] They were the final development of the 0-4-2 locomotive in France.^[2]

Construction history[edit]

The locomotives were built by Société Alsacienne de Constructions Mécaniques (SACM) at their works in Graffenstaden and Belfort.^[3]

Year	Est no.	SACM factory	SACM serial nos.	SNCF no.
1885	441–465	Graffenstaden	3536–3560	021 A 446, 452
1885	466–485	Belfort	3756–3775	021 A 472, 474, 478

References[edit]

^ Vilain (1980), pp. 120–122.
^ Davies (2001), p. 20.
^ Gillot (1976), pp. 85–87.

Bibliography[edit]

Davies, John (July 2001). Chemins de fer de l’Est Locomotive List 1839–1938 (Third ed.). Woodbridge, Queensland: Dr. John Davies. ISBN 0-646-06600-5.
Gillot, Jean (1976). Les Locomotives a Vapeur de la S.N.C.F. Région Est (in French). Editions Picador.
Vilain, Lucien-Maurice (1980). L'Évolution des locomotives à vapeur de la compagnie des chemins de fer de l'Est 1853-1938 (in French). éditions Pygmalion. ISBN 2-85704-081-4.

External links[edit]

ETH-Bibliothek Zürich, Bildarchiv. Chemins der fer de l’Est 445, viewer
ETH-Bibliothek Zürich, Bildarchiv. Armored locomotive Est series 441-485, viewer

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[FOOTNOTEVilain1980120–122-1] Vilain (1980), pp. 120–122.

[FOOTNOTEDavies200120-2] Davies (2001), p. 20.

[FOOTNOTEGillot197685–87-3] Gillot (1976), pp. 85–87.

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