DSER 20

Type and origin
Type and origin
Power type	Steam
Designer	Cronin
Builder	Grand Canal Street; Beyer, Peacock & Company;
Build date	1911 & 1924
Total produced	3
Rebuilder	Inchicore railway works
Rebuild date	1932–1951

DSER 20, 34 & 35
DSER 20, 34 & 35
	457 (former DSER 35) at Bray
Power type
Type and origin
Power type	Steam
Designer	Cronin
Builder	Grand Canal Street; Beyer, Peacock & Company;
Build date	1911 & 1924
Total produced	3
Rebuilder	Inchicore railway works
Rebuild date	1932–1951
Configuration:;
Specifications
Configuration:;
• Whyte	4-4-2T
Gauge	5 ft 3 in (1,600 mm)
Leading dia.	3 ft 3 in (990 mm)
Driver dia.	6 ft 1 in (1,850 mm)
Trailing dia.	3 ft 39 in (1,900 mm)
Axle load	15.75 long tons (16.00 t)
Loco weight	61.5 long tons (62.5 t)
Water cap.	1,700 imp gal (7,700 L; 2,000 US gal)
Boiler pressure	160 lbf/in2 (1.10 MPa)
Cylinders	2
Cylinder size	18 in × 26 in (457 mm × 660 mm)
Tractive effort
Performance figures
Tractive effort	15,920 lbf (70.82 kN)
Operators
Career
Operators	Dublin and South Eastern Railway; Great Southern Railways; CIÉ Railways Division;
Class	C2 (Inchicore)
Power class	K/HT
Number in class	3
Numbers	20, 34, 35; 455-457;
Locale	Ireland
Withdrawn	1955-1959
Disposition	All scrapped
	No. 20 as built

The DSER 20 class was a class of three 4-4-2T locomotives operated by the Dublin and South Eastern Railway and later the Great Southern Railways and CIÉ.