Peckett OQ Class

Peckett OQ Class

Peckett OQ Class 0-6-0ST No. 2150 Mardy Monster at the Elsecar Heritage Railway
Type and origin
Power type Steam
Builder Peckett and Sons
Serial number 2124, 2150–2151
Model OQ
Build date 1951–1954
Total produced 3
Specifications
Configuration:
 ​
 • Whyte 0-6-0ST
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Driver dia. 4 ft 0 1⁄2 in (1.232 m)
Loco weight 55 tons
Fuel type Coal
Firebox:
 • Firegrate area		 19.1 sq ft (1.77 m2)
Boiler pressure 200 psi (1.38 MPa)
Heating surface 921 sq ft (85.6 m2)
Cylinders Two, outside
Cylinder size 18 in × 26 in (457 mm × 660 mm)
Performance figures
Tractive effort 29,527 lbf (131.34 kN)
Career
Operators
Disposition Two scrapped, one preserved

The Peckett OQ Class is a class of 0-6-0ST steam locomotives built in Bristol, England, by Peckett and Sons. Three locomotives were built, no. 2124 for Tower Colliery in 1951 and nos. 2150 and 2151 for Mardy Colliery in 1954. No. 2150 has been preserved and is named "Mardy Monster". According to Heritage Railway magazine it is "Britain’s most powerful industrial locomotive". This claim may be misleading because it is based on tractive effort rather than horsepower.[1] [2][3]

Preservation

No. 2150 was withdrawn in 1976. Its preservation history is as follows:[4]

The locomotive has also spent short periods on hire to other railways.

References

  1. ↑ "The Monster returns - Heritage Railway Magazine". Heritagerailway.co.uk. Retrieved 2016-02-17.
  2. ↑ "Peckett". Industrial Railway Society. Retrieved 2010-12-23.
  3. ↑ "Peckett Loco's". Martyn Bane. Retrieved 2010-12-23.
  4. ↑ "Elsecar Heritage Railway - Mardy Monster". Elsecarrailway.co.uk. 2003-06-22. Retrieved 2016-02-17.
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