LNER Class J39

Infobox Locomotive
powertype=Steam
name = LNER Class J39

---

caption = 64875 on a northbound goods at Chinley, June 1959.
designer = Nigel Gresley
builder =
builddate = 1926
totalproduction = 289
whytetype = 0-6-0
uiclass= Ch
gauge = RailGauge|ussg
driversize = convert|62|in|m|3|abbr=on
length =
weight = convert|57.85|LT|t|1
fueltype = Coal
fuelc

waterc

cylindercount = Two, inside
cylindersize = 20×26 in (508×660 mm)
valvegear=Stephenson (piston valves)
firearea =
boilerpressure = convert|180|psi|MPa|2|abbr=on|lk=on
tractiveeffort = convert|25665|lbf|kN|abbr=on|lk=on
railroad=London and North Eastern Railway
British Railways
railroadclass=LNER: J39
BR: 4P5F
disposition=All scrappedThe London and North Eastern Railway Class J39 was a class of 0-6-0 steam locomotive designed for freight work. They were based on the previous Class J38 but with larger driving wheels.

A total of 289 J39s were built over fifteen years. They were designed by Nigel Gresley and introduced in 1926. All passed into British Railways ownership in 1948 and they were numbered 64700-64988.

Dimensions

* BR Power classification, 4P5F
* Locomotive weight, 57 tons 17 cwt
* Tender weight:
** J39/1, standard 3,500 gallon tender, 44 tons 4 cwt
** J39/2, standard 4,200 gallon tender, 52 tons 13 cwt
** J39/3, various North Eastern Railway tenders
* Boiler pressure, 180 psi
* Superheater, Yes
* Cylinders, 20"x26"
* Driving wheel diameter, 5' 2"
* Tractive effort, 25,665 lb
* Valve gear, Stephenson (piston valves)

Preservation

None has survived to preservation.

ources

Ian Allan ABC of British Railways Locomotives, 1962 edition

External links

* [http://www.lner.info/locos/J/j39.shtml LNER encyclopedia]
* [http://www.railuk.co.uk/steam/getsteamclass.php?item=J39/1 Railuk database for J39/1] , [http://www.railuk.co.uk/steam/getsteamclass.php?item=J39/2 J39/2] and [http://www.railuk.co.uk/steam/getsteamclass.php?item=J39/3 J39/3]