GNRI Class JT

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GNR(I) class JT
JT Class In Cultra.JPG
Type and origin
Power typeSteam
DesignerJ. C. Park
BuilderDundalk Works
Build date1895–1902
Total produced6
Specifications
Configuration:
   Whyte 2-4-2 T
   UIC 1′B1 n2t
Gauge 5 ft 3 in (1,600 mm)
Driver dia.5 ft 7 in (1,702 mm)
Boiler pressure140–175 psi (0.97–1.21 MPa)
Cylinders Two, inside
Cylinder size 16–17 in (406–432 mm) bore
22 in (559 mm) stroke
Career
Operators GNR(I)CIÉ
Class GNR(I): JT
Numbers90, 93, 94, 95, 13 (→91), 14 (→92)
Withdrawn1955–1963
PreservedNo. 93
DispositionOne preserved, remainder scrapped

The Great Northern Railway (Ireland) JT class comprised six 2-4-2 T locomotives, all built between 1895 and 1902 at their Dundalk Works. These were of a J. C. Park design, but introduced following his death. They were used on Dublin suburban services; then on branch lines, including operation of the Dundalk, Newry and Greenore Railway when taken over in 1933. Most were withdrawn shortly after 1955 between 1955 and 1957 but one remained passed to Córas Iompair Éireann (CIÉ) and remained in service until 1963.

Contents

History

The JT class comprised six 2-4-2 T locomotives, all built between 1895 and 1902 at their Dundalk Works. [1] These were of a J. C. Park design, but introduced following his death. They were used on Dublin suburban services; then on branch lines, including operation of the Dundalk, Newry and Greenore Railway when taken over in 1933. Most were withdrawn between 1955 and 1957, but No. 91 (ex No. 13 Tulip) passed to Córas Iompair Éireann (CIÉ), and lasted until 1963.[ citation needed ]

Fleet details

They were subject to enlargement as batches were introduced, and rebuilt between 1917 and 1925 with improved 4-foot-2-inch (1.27 m) boilers and standard 16.5-by-22-inch (420 mm × 560 mm) cylinders. [2]

Table of locomotives [3]
GNRI
No.
NameManufacturerSerial
number
Date
made
Boiler
pressure
Cylinder
bore
Date
withdrawn
Notes
93SuttonDundalk Works161895140 psi16 in (406 mm)1955
94HowthDundalk Works171896140 psi16 in (406 mm)1956
90AsterDundalk Works181898160 psi17 in (432 mm)1957
95CrocusDundalk Works201898160 psi16+12 in (419 mm)1955
13TulipDundalk Works231902175 psi17 in (432 mm)1963Renumbered 91 in 1920; to CIÉ 91N
14ViolaDundalk Works241902175 psi17 in (432 mm)1956Renumbered 92 in 1920

Preservation

One member of the class, No. 93 is preserved at the Ulster Folk and Transport Museum at Cultra, County Down.

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References

  1. Boocock 2009, p. 82.
  2. Johnston 1999, pp. 75–76.
  3. Rowledge 1993, p. 34.