Steam Locomotive No. 844

Vital Statistics:
Weight: 907,980 lbs. or 454 tons Engine & Tender
Length: 114 ft. 2-5/8 in. Engine & Tender
Tender
Type:
14-wheeled
Water Capacity: 23,500 gallons
Fuel: 6,200 gallons
No. 5 oil
Gauge of Track: 4 ft. 8-1/2 in.
Cylinder: Diameter: 25 in.
Stroke: 32 in.
Driving Wheel Diameter: 80 in.
Boiler: Inside Diameter: 86-3/16 in.
Pressure: 300 lbs.
Fire Box: Length: 150-1/32 in.
Width: 96-3/16 in.
Tubes: 2-1/4 in. Diameter: 198 x 19 ft. 0 in.
5-1/2 in. Diameter: 58
Wheel Base: Driving: 22 ft. 0 in.
Engine: 50 ft. 11 in.
Engine & Tender: 98 ft. 5in.
Weight in Working Order,
Pounds:
Leading: 102,130
Driving: 266,490
Trailing: 117,720
Engine: 486,340
Tender: 421,550
Evaporating Surfaces,
Square Feet:
Tubes: 2,204
Flues: 1,578
Fire Box: 442
Circulator and Arch Tubes: Removed, 1945
Total: 4,224
Superheating Surface,
Square Feet:
1,400
Grate Area: Removed, 1945
Maximum Tractive Power: 63,800 lbs.
Factor of Adhesion: 4.18