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| Length Engine & Tender |
82' - 6 3/4" | Coal Supply |
17 1/2 Tons | Water Tank Size |
12,000 Gallons |
| Cylinders | Two 25" x 26" | Cylinder Volume Total |
14.77 Cubic Feet |
Valve Gear |
Walschaert |
| Valves | 14" Piston Type |
Maximum Travel |
6 1/2" | Steam Lap |
1 1/8" |
| Exhaust Clearance |
3/16" | Lead, Full Gear |
3/32" | Driving Wheels |
75" Diameter |
| Driving Wheel Centers |
65" | Engine Truck Wheels |
36" Solid Steel |
Trailing Truck Wheels |
50" Steel Tired |
| Tender Truck Wheels |
33" Rolled Steel |
Weight on Drivers |
172,400 Lbs. | Weight on Engine Truck |
51,660 Lbs. |
| Weight on Trailing Truck |
57,020 Lbs. | Engine Weight Working |
281,080 Lbs. | Engine and Tender Weight |
497,080 Lbs. |
| Tender Weight Working |
216,000 Lbs. | Tender Weight Light |
81,000 Lbs. | Engine Weight Light |
235,900 Lbs. |
| Boiler Type | Wagon Top | Boiler Diameter First Course |
72" | 2" Flue Tubes | 203 |
| 5" Flue Tubes | 32 | Flue Tube Length |
21' 0" | Firebox Length |
108 1/8" |
| Firebox Width |
70 1/4" | Grate Area |
52.75 Square Feet |
Feedwater System |
Worthington SCA-2A |
| Stoker | Standard Type "MB" |
Length of Main Rod |
112" | Heating Surface Flues |
3,172 Square Feet |
| Heating Surface Firebox |
207 Square Feet |
Heating Surface Superheater Equiv. |
1260 Square Feet |
Boiler Pressure |
200 PSI |
| Tractive Power |
36,833 Lbs. | Fire Door | Franklin Butterfly |
Grates | Round Hole Rocking |