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Ontario and Western Class Y steam locomotive No. 405 was streamlined in 1937.

By Cornell University Library - originally posted to Flickr as O&W Engine #405, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=8367219

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New York, Ontario and Western Y Class 4-8-2 "Mountain" Steam Locomotive

The New York, Ontario and Western Y Class consisted of 4  4-8-2 "Mountain"-type locomotives built by the American Locomotive Company in 1922. Locomotive No. 405 was streamlined for passenger service in 1937.

New York, Ontario and Western Y Class Overview
Type and Origin
Power type: Steam
Original Builder: Alco-Schenectady
Original Build Date: 1922

Serial Numbers: 63254-63257
Road Numbers: 401- 404
Number in Class: 4
Date Streamlined: 1937
Specifications
Configuration:
​ • Whyte 4-8-2 "Mountain"
Gauge: 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Driver diameter: 69"  (1,753 mm)
Wheelbase: 39.75' (12.12 m)
Weight on drivers: 208,000 lbs  (94,347 kg)
Locomotive Weight: 317,000 lbs  (143,789 kg)
Tender Loaded Weight: 212,400 lbs  (96,343 kg)
Total Locomotive with Tender Weight: 529,400 lbs (240,132 kg)
Fuel type: Coal
Fuel capacity: 16 tons (14.50 mt)
Water capacity: 12,500 gals  (47.35 ml)
Firebox area: 328 sq ft  (30.48 sq m) 292 / 27.14
 • Fire grate area: 75.30 sq ft  (7 sq m) 67 / 6.23
 • Evaporative Heating Surface: 3,693 sq ft (343.22 sq m)
 • Superheating Surface: 1,014 sq ft  (94.24 sq m)
 • Combined Heating Surface: 4,707 sq ft  (437.46 sq m)
Boiler pressure: 200 psi  (13.80 kPa)
Cylinders: 2
Cylinder size: 27" x 28"  (686 x 711 mm)
Valve gear: Baker
Performance figures
Tractive effort: 50,290 lbs  (22,811.19 kg)
Factor of Adhesion: 4.14
Career
Operator: New York, Ontario & Western Railroad, Savannah and Atlanta Railway 
Class: Y
Locale: U.S.A.
Notes: 401and 404 sold to Savannah and Atlanta and renumbered 445, 446.
​Preserved: None.
Disposition: All scrapped 1948.

See also:

Streamlined Steam Locomotives

New York, Ontario & Western Railway

Savannah and Atlanta

Steam Locomotives

American Locomotive Company

Locomotives