What do the numbers on a locomotive mean?

What do the numbers on a locomotive mean?

The first 4 is the number of pilot wheels – those behind the front pilot. The second 4 is the number of drive wheels – the large ones that accualy move the engine. And the 2 is for the last set of wheels under the cab. This is the total number of wheels of the engine, and does not include the tender.

What do train numbers mean?

A single-digit number, indicating the class (type) of train, followed by. A letter, indicating the destination area, followed by. A two-digit number, identifying the individual train or indicating the route (the latter generally for suburban services).

How do locomotives get their numbers?

Locomotives, steam or diesel, are numbered in classes, as example, Santa Fe F units were in 100, 200, 300, etc. classes. GP’s were not numbered in the same classes, they had their own.

How much would a 9F pull?

The 9F was designed at both Derby and Brighton Works in 1951 to operate freight trains of up to 900 tons (914 tonnes) at 35 mph (56 km/h) with maximum fuel efficiency.

What is a BR 01 steam engine?

The steam engines of type BR 01 were the first built steam engines in the standardized program. The steam engines were built to ride express trains. The essence of type BR 01 was a simple steam engine. But the BR 01 was equiped with many devices and instruments.

How many steam locomotives were made in 1921?

In May 1921, the commission for standardized locomotives had decided that they must built a new steam engine for express trains. As a result they set up a program with 12 standardized steam engines who were strong influenced by the Prussian steam engines.

Who built the Borsig and Henschel locomotives?

The two cylinder locomotives were built by Borsig and got the numbers: 01 001 up to 008 and the numbers 01 009 and 010 were built by AEG. Henschel built the four cylinder locomotives 02 001 up to 008 and Maffei built the locomotives 02 009 and 010.

What happened to the old Länderbahn locomotives?

After the founding of the DRG, the DRG made an inventory of the old Länderbahn locomotives. It appeared that there was a big need for new and standardized locomotives. Standardized locomotives had many similar parts in common, and consisted of large series. At this way the maintenance costs were very low.