141 TC Ouest
Encyclopedia
The 141 TC, or 141 TC Ouest, was 2-8-2
2-8-2
Under the Whyte notation for the classification of steam locomotives, 2-8-2 represents the wheel arrangement of two leading wheels on one axle , eight powered and coupled driving wheels on four axles, and two trailing wheels on one axle...

 tank engine
Tank locomotive
A tank locomotive or tank engine is a steam locomotive that carries its water in one or more on-board water tanks, instead of pulling it behind it in a tender. It will most likely also have some kind of bunker to hold the fuel. There are several different types of tank locomotive dependent upon...

 of the Chemins de Fer de l'État.

Overview

This series of 20 engines, numbered 42-001 to 42-020, was built by Fives Lille and was allocated to the Batignolles
Batignolles
Batignolles is a neighborhood of Paris, a part of the 17th arrondissement of the city. The neighborhood is bounded on the south by the Boulevard des Batignolles, on the east by the Avenue de Clichy, on the north by the Rue Cardinet, and on the west by the Rue de Rome.-History:Batignolles was an...

 motive power depot
Motive power depot
Motive power depot, usually abbreviated to MPD, is a name given to places where locomotives are stored when not being used, and also repaired and maintained. They were originally known as "running sheds", "engine sheds", or, for short, just sheds. Facilities are provided for refuelling and...

. Although they were designed in 1913, production was delayed by World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 until 1923, when the Chemins de Fer de l'État took delivery. They were designed to serve in the western suburbs of Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

. In 1930, the engines were equipped with remote driving. The driver could operate the engine from the driving cabin of a Voiture État à 2 étages
Voiture État à 2 étages
The Voiture État à deux étages, or approximately translated État double-deck passenger car, were a class of double-deck carriages built for the Chemin de Fer de l'État of France.-Origin:...

 carriage at the other end of the train, using compressed-air pipes. This saved much time at terminals. The engines were modified, primarily with the addition of a smoke deflector and a closed cab.

The electrification of the Réseau Saint-Lazare
Réseau Saint-Lazare
Réseau Saint-Lazare is the network of railway lines originating from Saint Lazare Station in Paris. The network stretches from Paris to Normandy and encompasses suburban services...

 moved the engines to Brittany
Brittany
Brittany is a cultural and administrative region in the north-west of France. Previously a kingdom and then a duchy, Brittany was united to the Kingdom of France in 1532 as a province. Brittany has also been referred to as Less, Lesser or Little Britain...

. The last of the series were allocated to the St-Brieux depot and rented to the CTFA after the replacement of the track on the lines to Carhaix and Paimpol
Paimpol
Paimpol is a commune in the Côtes-d'Armor department in Brittany in northwestern France.It is a tourist destination, especially during the summer months when people are attracted by its port and beaches.-Population:...

 and change of the gauge to standard gauge
Standard gauge
The standard gauge is a widely-used track gauge . Approximately 60% of the world's existing railway lines are built to this gauge...

. The last 141 TC served in 1971 and the 141 TC 19 was preserved by the AJECTA.

The 141s were renumbered 3.141 TC 1 to 20 by the SNCF
SNCF
The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

 in 1938.

Design

Studies were led in parallel with the one of the 140 C. The 141 were of simple expansion with two cylinders and possessed the powerful fireboxes of the 140 C. Although the fireboxes were excellent, the rest was of average quality with cylinders particularly of small diameter (25 cm). The Chemin de Fer de l'État
Chemin de Fer de l'État
The Chemins de fer de l'État , often referred to in France as the réseau de l'État , was an early French railway company.-History:...

chose small wheels to give the engines the capacity to start up quickly. The railway company was very satisfied with the engines as they were capable of hauling the heavy steel coaches.
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