The reference for locomotives and railcars
French Northern Railway No. 2.231 to 2.305
French State Railway 222 TA 1 to 75
France | 1901 | 75 produced
222 T 2.245 on an old postcard
222 T 2.245 on an old postcard

A problem on the Paris suburban routes of the Nord was that the previously existing tank locomotives with the wheel arrangement 4-4-0T and 0-4-2T had to be turned at the end stations, which led to unacceptable delays, especially in heavy rush hour traffic. Therefore, between 1901 and 1906, the Nord had a total of 75 tank locomotives built for suburban traffic with a symmetrical wheel arrangement, which had been developed by Gaston du Bousquet. Because these locomotives had a high-mounted, small-diameter boiler, they earned the nickname “Revolver”. Due to the design as 4-4-4T, they had a bogie ahead in both directions, which meant that they could be operated in both directions at a maximum speed of 105 km/h.

A special feature in the cab was that the controls were all duplicated to facilitate operation even when reversing. While the adhesive weight of other locomotives with this wheel arrangement was relatively low, the weight of these locomotives was distributed in such a way that more than half was on the two coupled axles. Thus, the two bogies served to guide rather than carry a large mass while providing sufficient adhesive weight

Schematic drawing with dimensions
Schematic drawing with dimensions
Die Lokomotive, May 1909

The production took place in three batches at La Chapelle in Paris and Hellemmes in Lille. While the water and coal reserves were still 6,500 liters and 3.0 tonnes in the first batch, they were increased to 7,000 liters and 3.5 tonnes in the two following batches. In the SNCF they were listed as 222 TA 1 to 222 TA 75.

ManufacturerLa Chapelle, Hellemmes
Axle config4-4-4T (Reading) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length35 ft 8 1/2 in
Wheelbase28 ft 8 1/2 in
Fixed wheelbase5 ft 10 1/16 in
Empty weight108,026 lbs
Service weight138,869 lbs
Adhesive weight71,209 lbs
Axle load35,605 lbs
Water capacity1,717 us gal
Fuel capacity6,614 lbs (coal)
Power sourcesteam
Estimated power704 hp (525 kW)
Optimal speed29 mph
Top speed65 mph
Starting effort15,284 lbf
Power Plant
Driver diameter65.5 in
Boiler pressure174 psi
Expansion typesimple
Cylinderstwo, 16 15/16 x 23 5/8 in
Grate area21 sq ft
Evaporative heating area1,337.1 sq ft
Total heating area1,337.1 sq ft
Calculated Values
steam locomotive
tank locomotive
last changed: 02/2022

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