Pretty unusual Atlantics for the time. Note the small drivers, a very long, straight boiler with the steam dome over the second driving axle and sand dome just ahead of the first set of drivers. Locobase doesn't know what motivated the MKT to buy these 4-4-2s, but suspects they didn't last long.
| Specifications | |
|---|---|
| Class | E |
| Locobase ID | 7085 |
| Railroad | Missouri-Kansas-Texas (MKT) |
| Whyte | 4-4-2 |
| Road Numbers | 298-307 |
| Gauge | Std |
| Builder | Burnham, Williams & Co |
| Year | 1895 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase | 6.25' |
| Engine Wheelbase | 24.17' |
| Ratio of driving wheelbase to overall engine wheebase | 0.26 |
| Overall Wheelbase (engine & tender) | 41.04' |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 71600 lbs |
| Engine Weight | 131750 lbs |
| Tender Light Weight | 95050 lbs |
| Total Engine and Tender Weight | 226800 lbs |
| Tender Water Capacity | 4300 gals |
| Tender Fuel Capacity (oil/coal) | 9 tons |
| Minimum weight per yard of rail on which locomotive could run | 60 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 70" |
| Boiler Pressure | 180 psi |
| Cylinders (dia x stroke) | 19" x 26" |
| Tractive Effort | 20515 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.49 |
| Heating Ability | |
| Firebox Area | 147.60 sq. ft |
| Grate Area | 28.10 sq. ft |
| Evaporative Heating Surface | 1935 |
| Superheating Surface | |
| Combined Heating Surface | 1935 |
| Evaporative Heating Surface/Cylinder Volume | 226.79 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 5058 |
| Same as above plus superheater percentage | 5058 |
| Same as above but substitute firebox area for grate area | 26568 |
| Power L1 | 6579 |
| Power MT | 405.15 |
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