The Ron V. Nixon Collection

Locomotive Class - Z-4

Engine Numbers: 4500 - 4503 Class Size: 4 Wheel Type: 2-8-8-2 Builder: Alco Richmond Built Date: 1923 Cylinder: HP 25x32 LP 39x32   Driver Diameter: 57   Boiler Pressure: 240    Grate Area: 96 Tractive Power: 107,300   Booster Power: 0   Adhestion Factor: Valve Gear: Walschaert   Superheater: Schmidt Weight on Drives: 486,000   Engine Weight Working: 541,500   Engine Total Empty: 481,100 Tender Weight Working: 224,800   Tender Weight Empty: 92,800   Tender Class: 36E Water Cap: 12,000   Coal Oil Cap: 16 Comments:

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