| | | CHALLENGER 2 | | Type | 4-6-6-4 | | Railroad | Clinchfield | | Builder | Am. | | Road Class | ......... | | Road Numbers | 650-57 | | Number of Locomotives | 8 | | Date Built | 1943 | | Weights in Working Order, lbs. | | On drivers | 420,000 | | On front truck | 79,000 | | On trailing truck | 108,000 | | Total engine | 607,000 | | Tender, two-thirds loaded | 316,900 | | Wheel bases, feet and inches | | Driving, each | 12-2 | | Driving, total | ......... | | Engine, total | 59-11 | | Engine and tender, total | 105-11 | | Driving wheels, diameter (inches) | 69 | | 4 cylinders, diameter and stroke (inches) | 22x32 | | Boiler | | Steam pressure, psi | 265 | | Diameter, first ring (inches) | 94-9/16 | | Firebox length (inches) | 213-1/32 | | Firebox width (inches) | 108-3/16 | | Syphons, circulators | No | | Tubes, number and diameter (inches) | 222-2 1/4 | | Flues, number and diameter (inches) | 60-5 1/2 | | Length over tube sheets, feet and inches | 22-0 | | Fuel | soft coal | | Grate area, sq. ft. | 108 | | Heating Surfaces, sq. ft. | | Firebox and combustion chamber | 558 | | Arch tubes, syphons, circ. | 78 | | Firebox, total | 638 | | Tubes and flues | 4756 | | Evaporative | 5392 | | Superheating (type) | A-1680 | | Combustion, evaporation and superheating | 7072 | | Tender | | Water capacity, US Gal. | 22,500 | | Fuel Capacity, Tons | 26 | | Trucks | 6+6 | | General Data, estimated | | Tractive force, engine, lb. | 101,120 | | Tractive force, booster, lb. | ............... | | Piston speed, 10 mph, ft. | 259.7 | | | All data from
Locomotive Cyclopedia
1950-1952
Simmons - Boardman Publishing Corporation |
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