Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 44, p 178. Works numbers were 40133-40134 in July 1913.
Mossoro was the second-largest city in Rio Grande do Norte, which is just north of the easternmost bulge in the Brazilian coast.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Ulrich Graf |
| Locobase ID | 13985 |
| Railroad | Mossor= |
| Country | Brazil |
| Whyte | 2-6-0 |
| Number in Class | 2 |
| Road Numbers | 1-2 |
| Gauge | Metre |
| Number Built | 2 |
| Builder | Baldwin |
| Year | 1916 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 7.25 / 2.21 |
| Engine Wheelbase (ft / m) | 14.42 / 4.40 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.50 |
| Overall Wheelbase (engine & tender) (ft / m) | 40.04 / 12.20 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 54,000 / 24,494 |
| Engine Weight (lbs / kg) | 64,000 / 29,030 |
| Tender Loaded Weight (lbs / kg) | 44,000 / 19,958 |
| Total Engine and Tender Weight (lbs / kg) | 108,000 / 48,988 |
| Tender Water Capacity (gals / ML) | 2200 / 8.33 |
| 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) | 37 / 940 |
| Boiler Pressure (psi / kPa) | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 18" / 356x457 |
| Tractive Effort (lbs / kg) | 12,968 / 5882.19 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.16 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 141 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 12.25 / 3.73 |
| Firebox Area (sq ft / m2) | 58 / 5.39 |
| Grate Area (sq ft / m2) | 12.20 / 1.13 |
| Evaporative Heating Surface (sq ft / m2) | 956 / 88.81 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 956 / 88.81 |
| Evaporative Heating Surface/Cylinder Volume | 298.09 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1952 |
| Same as above plus superheater percentage | 1952 |
| Same as above but substitute firebox area for grate area | 9280 |
| Power L1 | 3833 |
| Power MT | 469.46 |