The Ron V. Nixon Collection

Locomotive Class - Q-4

Engine Numbers: 2177 - 2207 Class Size: 31 Wheel Type: 4-6-2 Builder: Baldwin Built Date: 1909-10 Cylinder: 23x26   Driver Diameter: 69   Boiler Pressure: 200    Grate Area: 43 Tractive Power: 33,900   Booster Power: 0   Adhestion Factor: 4.36 Valve Gear: Walschaert   Superheater: Schmidt 27 unit Weight on Drives: 141,900   Engine Weight Working: 237,000   Engine Total Empty: 209,600 Tender Weight Working: 141,350   Tender Weight Empty: 59,000   Tender Class: 10E Water Cap: 7,000   Coal Oil Cap: 12 Comments:

Engine Numbers: 2208 - 2225 Class Size: 18 Wheel Type: 4-6-2 Builder: Alco Schenectady Built Date: 1910 Cylinder: 24.5x26   Driver Diameter: 69   Boiler Pressure: 200    Grate Area: 43 Tractive Power: 38,450   Booster Power: 0   Adhestion Factor: Valve Gear: Walschaert   Superheater: Schmidt 22 units Weight on Drives: 155,100   Engine Weight Working: 244,400   Engine Total Empty: 216,400 Tender Weight Working: 145,300   Tender Weight Empty: 63,000   Tender Class: 9E Water Cap: 7,000   Coal Oil Cap: 12 Comments:

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Ron V. Nixon Collection - Museum of the Rockies, Montana State University - Bozeman