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{{Infobox locomotive
| name            = MNR Tehosa class (テホサ)
| powertype =Steam
| image            =
| alt              =
| caption          =
| designer        =
| builder          = [[Beyer, Peacock and Company|Beyer, Peacock & Company]]
| ordernumber      =
| serialnumber    =
| buildmodel      =
| builddate        = 1912
| totalproduction  = 5
| rebuilder        =
| rebuilddate      =
| numberrebuilt    =
| whytetype        = [[4-6-0]]
| uicclass        =
| gauge            = {{track gauge|1435mm}}
| leadingdiameter  =
| driverdiameter  = As&nbsp;built:&nbsp;{{convert|1,473|mm|abbr=on}}<br/>Rebuilt:&nbsp;{{convert|1,470|mm|abbr=on}}
| trailingdiameter =
| minimumcurve    =
| wheelbase        =
| length          =
| width            =
| height          =
| axleload        =
| weightondrivers  = As&nbsp;built:&nbsp;{{convert|55.42|t|LT|abbr=on|disp=br()}}<br/>Rebuilt:&nbsp;{{convert|55.89|t|LT|abbr=on|disp=br()}}
| locoweight      = As&nbsp;built:&nbsp;{{convert|71.88|t|LT|abbr=on|disp=br()}}<br/>Rebuilt:&nbsp;{{convert|71.92|t|LT|abbr=on|disp=br()}}
| tenderweight    =
| locotenderweight =
| tendertype      =
| fueltype        =
| fuelcap          =
| watercap        =
| tendercap        =
| sandcap          =
| boiler          =
| boilerpressure  = As&nbsp;built:&nbsp;{{convert|14.06|kgf/cm2|abbr=on}}<br/>Rebuilt:&nbsp;{{convert|14.10|kgf/cm2|abbr=on}}
| feedwaterheater  =
| firearea        = As&nbsp;built:&nbsp;{{convert|2.93|m2|abbr=on}}<br/>Rebuilt:&nbsp;{{convert|2.96|m2|abbr=on}}
| tubearea        =
| fluearea        =
| tubesandflues    =
| fireboxarea      =
| totalsurface    =
| superheatertype  =
| superheaterarea  =
| cylindercount    =
| cylindersize    = {{convert|483|x|610|mm|abbr=on|disp=br()}}
| frontcylindersize=
| rearcylindersize =
| hpcylindersize  =
| lpcylindersize  =
| valvegear        =
| valvetype        =
| valvetravel      =
| valvelap        =
| valvelead        =
| transmission    =
| maxspeed        =
| poweroutput      =
| tractiveeffort  =
| factorofadhesion =
| trainheating    =
| locobrakes      =
| locobrakeforce  =
| trainbrakes      =
| safety          =
| operator        = [[South&nbsp;Manchuria&nbsp;Railway]]<br/>[[Manchukuo National Railway]]
| operatorclass    = SMR: F2 (1912–1920)<br/>SMR: テホサ (1920–1933)<br/>MNR: テホコ (1933–1938)<br/>MNR: テホサ (1938–1945)
| powerclass      =
| numinclass      = 5
| fleetnumbers    = SMR: F2 700–704 (1912–1920)<br/>SMR: テホサ700–704 (1920–1933)<br/>MNR: テホコ5700–5704 (1933–1938)<br/>MNR: テホサ501–505 (1938–1945)<br/>CR: ?
}}
The '''Manchukuo National Railway Tehosa''' class [[steam locomotive]]s were a class of [[4-6-0]] passenger steam locomotives operated by the [[Manchukuo National Railway]]. Originally built for the [[South Manchuria Railway]] (''Mantetsu''), they later transferred to the MNR. The "Teho" name came from the [[Whyte notation|American naming system]] for steam locomotives, under which locomotives with 4-6-0 wheel arrangement were called "Ten-Wheeler".
The '''Manchukuo National Railway Tehosa''' class [[steam locomotive]]s were a class of [[4-6-0]] passenger steam locomotives operated by the [[Manchukuo National Railway]]. Originally built for the [[South Manchuria Railway]] (''Mantetsu''), they later transferred to the MNR. The "Teho" name came from the [[Whyte notation|American naming system]] for steam locomotives, under which locomotives with 4-6-0 wheel arrangement were called "Ten-Wheeler".


==History==
==History==
Together with the [[China Railways KD3|Sorisa class]], these five passenger locomotives built by [[Beyer, Peacock and Company|Beyer, Peacock]] in 1912 were the first locomotives Mantetsu ordered from the [[United Kingdom]]. Designated class F2, in 1920 they were reclassified Tehosa (テホサ) class, and between then and 1926 they were rebuilt with [[superheater]]s. They were used on ordinary passenger trains on both the main line and the [[Shendan Railway|Anfeng Line]]. In 1927 four of the five were loaned to the [[Sitao Railway]], but after the [[Mukden Incident]] in 1931, all five were leased to the [[Fengshan Railway]]. After the nationalisation of the Fengshan Railway and other privately held railway companies to create the [[Manchukuo National Railway]] in 1933, they were taken over by the Manchukuo National, where they were designated Tehoko (テホコ) class. Under the new [[Rolling stock of the South Manchuria Railway#Classification systems|unified classification system]] introduced in 1938, the class was returned to its earlier Tehosa classification.
Together with the [[China Railways KD3|Sorisa class]], these five passenger locomotives built by [[Beyer, Peacock & Company]] in 1912 were the first locomotives Mantetsu ordered from England. Designated class F2, in 1920 they were reclassified Tehosa (テホサ) class, and between then and 1926 they were rebuilt with [[superheater]]s. They were used on ordinary passenger trains on both the main line and the [[Shendan Railway|Anfeng Line]]. In 1927 four of the five were loaned to the [[Sitao Railway]], but after the [[Mukden Incident]] in 1931, all five were leased to the [[Fengshan Railway]]. After the nationalisation of the Fengshan Railway and other privately held railway companies to create the [[Manchukuo National Railway]] in 1933, they were taken over by the Manchukuo National, where they were designated Tehoko (テホコ) class. Under the new [[Rolling stock of the South Manchuria Railway#Classification systems|unified classification system]] introduced in 1938, the class was returned to its earlier Tehosa classification.


{| class="wikitable"
{| class="wikitable"
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[[Category:Railway locomotives introduced in 1912]]
[[Category:Railway locomotives introduced in 1912]]
[[Category:Steam locomotives of China]]
[[Category:Steam locomotives of China]]
[[Category:Standard gauge locomotives of China]]
[[Category:Standard-gauge locomotives of China]]
[[Category:Rolling stock of Manchukuo]]
[[Category:Rolling stock of Manchukuo]]

Latest revision as of 05:22, 30 September 2026

The Manchukuo National Railway Tehosa class steam locomotives were a class of 4-6-0 passenger steam locomotives operated by the Manchukuo National Railway. Originally built for the South Manchuria Railway (Mantetsu), they later transferred to the MNR. The "Teho" name came from the American naming system for steam locomotives, under which locomotives with 4-6-0 wheel arrangement were called "Ten-Wheeler".

History

Together with the Sorisa class, these five passenger locomotives built by Beyer, Peacock & Company in 1912 were the first locomotives Mantetsu ordered from England. Designated class F2, in 1920 they were reclassified Tehosa (テホサ) class, and between then and 1926 they were rebuilt with superheaters. They were used on ordinary passenger trains on both the main line and the Anfeng Line. In 1927 four of the five were loaned to the Sitao Railway, but after the Mukden Incident in 1931, all five were leased to the Fengshan Railway. After the nationalisation of the Fengshan Railway and other privately held railway companies to create the Manchukuo National Railway in 1933, they were taken over by the Manchukuo National, where they were designated Tehoko (テホコ) class. Under the new unified classification system introduced in 1938, the class was returned to its earlier Tehosa classification.

Owner Class & numbers
(1912–1920)		 Class & numbers
(1920–1933)		 Class & numbers
(1933–1938)		 Class & numbers
(1938–1945)		 Notes
Mantetsu F2 700–F2 704 テホサ700–テホサ704 - -
Manchukuo National - - テホコ5700–テホコ5704 テホサ501–テホサ505 Transferred from Mantetsu in 1933

Postwar

At the end of the Second Sino-Japanese War, three were assigned to the Fengtian Railway Bureau and two to the Qiqihar bureau. They were taken over by the Republic of China Railway in 1945, but their subsequent fate is unknown.

References

Template:Mantetsu rolling stock Template:MNR rolling stock Template:Locomotives of China

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