One of a Kind A visit to Canadian Pacific’s Toronto Yard in Agincourt, Ontario brought my only encounter with the one and only MLW M640. This 4000-horsepower monster, by 1971 standards, ... (more)

One of a Kind. The Only M640 Built Canadian Pacific 4744 rests at the roads St Luc Yard in Montreal in the fall of 1977. Built in 2/1971 it had a 4000 hp 18 cyl 251 engine. Photo taken with pe... (more)

A one of a kind. Montreal Locomotive Works outshopped CP 4744 in May 1971 as a demonstrator. It was rated at 4,000 H.P. and was essentially an M-636 but with an 18 cylinder instead of a 16 cyli... (more)

Merry Christmas! MLW M640 is CP 4744 is wrapped up for Christmas at Exporail. Merry Christmas, happy holidays and happy new year to all the railfans out there.

A one of a kind MLW, ready for Christmas. CP 4744, the only MLW M640 ever built has been decorated for Christmas for the first time this year at Exporail. At left is rotary snowplow more)

Westbound Canadian Pacific freight has just cleared the curve leaving St Luc yard and the engineer is bringing his train up to track speed with two top shelf Montreal engines putting on a great sh... (more)

Here is the only MLW M640 ever built, in Canadian Pacific paint scheme! It is now retired and being preserved at Exporail Canadian Railway Museum.

CP 4744 was the only M640 ever produced and the most powerful diesel locomotive ever produced by MLW thanks to its 18 Cylinder 251F engine which produced 4,000 horsepower. It is preserved at Expor... (more)

A head on shot of CP 4744, the only M640 ever built, preserved at Exporail. For more train photos, click here.

King of the MLW's. CP 4744 was the only M640 ever produced and the most powerful diesel locomotive ever produced by MLW thanks to its 18 Cylinder 251F engine which produced 4,000 horsepower... (more)

CP 4744, the only MLW M640 to be built, sits next to a retired rotary snow plow in the Angus Pavilion at Exporail near Montreal. A diverse and interesting collection of railway equipment can be sp... (more)

Action red suits the king of Alcos well.

The one and only MLW M640 built for the Canadian Pacific Railway in 1971 with a 18-251F prime mover pumping out an astonishing 4,000 hp for her time. She came into the spot light again as a test b... (more)

What is, in my mind, THE ALCo/MLW shows off her powerful front in the Canadian Railway Museum

Preserved equipment at Exporail (Canadian Railway Museum) in St.Constant,Quebec.