Puffing Billy (locomotive)

Specifications
Specifications
Configuration:;
• Whyte	0-4-0, ; rebuilt as 0-8-0 with geared drive between them, ; then 0-4-0 again
Gauge	5 ft (1,524 mm)
Driver dia.	39 in (991 mm)
Loco weight	8.25 long tons (8.38 t; 9.24 short tons)
Fuel type	Coal
Boiler pressure	50 psi (0.34 MPa)
Cylinders	2
Cylinder size	9 in × 36 in (229 mm × 914 mm)

Type and origin
Type and origin
Power type	Steam
Builder	William Hedley, Jonathan Forster and Timothy Hackworth
Build date	1813–1814

*Puffing Billy*
Puffing Billy
	Puffing Billy as seen from the front
Power type
Type and origin
Power type	Steam
Builder	William Hedley, Jonathan Forster and Timothy Hackworth
Build date	1813–1814
Configuration:;
Specifications
Configuration:;
• Whyte	0-4-0, ; rebuilt as 0-8-0 with geared drive between them, ; then 0-4-0 again
Gauge	5 ft (1,524 mm)
Driver dia.	39 in (991 mm)
Loco weight	8.25 long tons (8.38 t; 9.24 short tons)
Fuel type	Coal
Boiler pressure	50 psi (0.34 MPa)
Cylinders	2
Cylinder size	9 in × 36 in (229 mm × 914 mm)
Maximum speed
Performance figures
Maximum speed	5 mph (8 km/h)
Operators
Career
Operators	Wylam Colliery
Retired	1862
Current owner	Science Museum, London
Disposition	static display

Puffing Billy is the world's oldest surviving steam locomotive,^[1]^[2] constructed in 1813–1814 by colliery viewer William Hedley, enginewright Jonathan Forster and blacksmith Timothy Hackworth for Christopher Blackett, the owner of Wylam Colliery near Newcastle upon Tyne, in the United Kingdom. It was employed to haul coal chaldron wagons from the mine at Wylam to the docks at Lemington in Northumberland.^[3]

^ "Puffing Billy becomes world's oldest surviving locomotive". The Railway Magazine. 154 (1, 292): 9. December 2008.
^ "'Puffing Billy' locomotive | Science Museum Group Collection". collection.sciencemuseumgroup.org.uk. Retrieved 26 May 2021.
^ "Puffing Billy". Co-Curate - Newcastle University. Retrieved 1 June 2023.