Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 22, p.77. Works numbers were 16560-16563 in March 1899.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 54 |
| Locobase ID | 12337 |
| Railroad | Imperial Railways of North China/Peking-Mukden |
| Country | China |
| Whyte | 2-6-4T |
| Number in Class | 4 |
| Road Numbers | 54-57 |
| Gauge | Std |
| Number Built | 4 |
| Builder | Burnham, Williams & Co |
| Year | 1899 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 10.50 / 3.20 |
| Engine Wheelbase (ft / m) | 28 / 8.53 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.38 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 29,120 / 13,209 |
| Weight on Drivers (lbs / kg) | 53,760 / 24,385 |
| Engine Weight (lbs / kg) | 91,420 / 41,467 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 91,420 / 41,467 |
| Tender Water Capacity (gals / ML) | 1500 / 5.68 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 30 / 15 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 50 / 1270 |
| Boiler Pressure (psi / kPa) | 180 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 22" / 356x559 |
| Tractive Effort (lbs / kg) | 13,195 / 5985.16 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.07 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 119 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 10.50 / 3.20 |
| Firebox Area (sq ft / m2) | 65.60 / 6.10 |
| Grate Area (sq ft / m2) | 13.75 / 1.28 |
| Evaporative Heating Surface (sq ft / m2) | 713 / 66.26 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 713 / 66.26 |
| Evaporative Heating Surface/Cylinder Volume | 181.90 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2475 |
| Same as above plus superheater percentage | 2475 |
| Same as above but substitute firebox area for grate area | 11,808 |
| Power L1 | 3984 |
| Power MT | 490.13 |