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The Fablok T3A also known as TKh49 or Ferrum 47 / 724 is a class of Polish steam industrial tank locomotive. It was built by Fablok in 1948-1961 years.

TKh49 (Ferrum 47)
TKh49-1 in Chabówka
Type and origin
Power typeSteam
BuilderFablok
Build date1948-1961
Total produced437
Specifications
Configuration:
​
 • Whyte0-6-0T
 • AARC
 • UICC n2t
Gauge1,435 mm (4 ft 8+1⁄2 in)
Driver dia.1,150 mm (45.28 in)
Minimum curve70 m (229 ft 8 in)
Wheelbase3.4 m (11 ft 1.86 in)
Length9.11 m (29 ft 10.66 in)
Width2.88 m (9 ft 5.39 in)
Height3.675 m (12 ft 0.69 in)
Loco weight44.4 tonnes (43.7 long tons; 48.9 short tons)
Fuel typecoal
Fuel capacity2.5 tonnes (2.5 long tons; 2.8 short tons)
Water cap.5 m3 (180 cu ft)
Firebox:
 • Firegrate area		1.7 m2 (18 sq ft)
Boiler pressure13 bars (190 psi)
Heating surface100 m2 (1,100 sq ft)
CylindersTwo, outside
Cylinder size460 mm × 540 mm (18.11 in × 21.26 in)
Valve gearHeusinger
Performance figures
Maximum speed40 km/h (25 mph)
Power output400 hp (300 kW)
Tractive effort7,850 kgf (17,310 lbf)
Career
LocalePoland, China, Romania, Hungary, Great Britain, Belgium
Pokropiński 2007, p. 256

History


The locomotive is based on a draft from the years 1927-1929; seven locomotives of the factory designation T1A, basing upon Austrian license, were built by Fablok then.[1] Its development with a superheater was Fablok T2A (Ferrum 29 or Tkh29), of which eleven were built before World War II.[2] The name Ferrum came from Ferrum Ironworks, for which it was developed.[2] The technical documentation survived until after World War II and ten more T2A were manufactured.[2] Due to big need of industrial locomotives in looted post-war Poland, it was decided to develop it into a simplified class of locomotive, factory name T3A or Ferrum 47, from 1947 year. Among other it lacked a superheater.[3] At least 437 examples were made in the years 1948 - 1961, including 30 to China, 3 to Romania and 3 to Hungary.[3] Some factory records indicate 480 locomotives made, but details are not confirmed.[3] Later production locomotives, with more welding adopted, were referred to as Ferrum 724.[3] In China the locomotives were designated as XK 13 and several examples of the class were reported to be working in 1993, with at least three preserved thereafter.[4]

These locomotives worked exclusively in industry, like coalmines, ironworks, chemical works, and were usually designated with TKh prefix, meaning 0-6-0T freight locomotives in Polish State Railways designation system, merged with serial numbers. Only in 1996 one locomotive was acquired by the Polish State Railways (PKP) for its museum depot in Chabówka, and formally designated as PKP class TKh49, namely TKh49-1, thus being the newest PKP steam locomotive.[5]


Preservation


The locomotive TKh49-1 is preserved at the Museum of Vehicles and Railway Technology in Chabówka, whilst thirteen more are in other museums or as monuments.[6] Several are in working condition. After industrial service, several locomotives have been exported to the United Kingdom for use on heritage railways as detailed below.

Number Name Railway Livery Status Notes
2871 "" Churnet Valley Railway Green Awaiting Restoration Owned by "TKh Support Group". Arrived April 2014 from the Spa Valley Railway, after purchase by Members of the CVR MPD. Funds being acquired for eventual restoration.
2944 Hotspur Churnet Valley Railway Green Operational Owned by "TKh Support Group". Entered service June 2014 after 12-month restoration by members of MPD following purchase by Members of the MPD. Already done ~1500 miles since restoration!
3135 Spartan Swindon & Cricklade Railway Red Stored, Awaiting 10 year overhaul Bought by the S&CR in December 2014 from the Spa Valley Railway.
3138 Hutnik Appleby Frodingham Railway Red Awaiting Overhaul Purchased by the AFRPS in 1993, and brought back to Scunthorpe shortly afterwards. It was used for over 17 years on passenger trains, but in 2009 was found to be in need of boiler repairs.
4015 Karel Avon Valley Railway PKP Green Operational Imported to UK and moved to the Avon Valley Railway. Withdrawn in 2013, and sent to the Flour Mill in the Forest of Dean for overhaul. Returned to traffic September 2016.
5374 Vanguard Plym Valley Railway Black Under Restoration Arrived in UK in 1992, and entered service on Northampton & Lamport Railway. Sold in November 2016 to a new owner. Boiler requires overhaul with the aim of being back in steam by 2017.
115 "" Shougang steel work plant railway Black Stored Sealed in Shijingshan Headquarters of Shougang in 2019

References


  1. Pokropiński 2007, p. 170.
  2. Pokropiński 2007, p. 172-175.
  3. Pokropiński 2007, p. 177-179.
  4. "T3A (Ferrum 47, Ferrum 724)". Retrieved 16 February 2014.
  5. Paweł Terczyński: Najmłodszy parowóz PKP [The youngest PKP steam locomotive], "Świat Kolei" Nr. 2/1997, p.6 (in Polish)
  6. Pokropiński 2007, p. 179-180.
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