Hokkaido Colliery and Railway Company/JNR / Hokkaido Colliery and Railway CompanyJNR 2-6-2 Locomotives in Japan
Class Details by Steve Llanso of Sweat House Media
Class 3060 (Locobase 10946)
Data from [
]. See also DeGolyer, Volume 21, p. 116. Works numbers were 15654-15656 in January 1898.
Class 59 / 3391 (Locobase 12509)
Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 24, p. 33. Works numbers were 19330-19331 in August 1901.
Principal Dimensions by Steve Llanso of Sweat House Media | ||
|---|---|---|
| Class | 3060 | 59 / 3391 |
| Locobase ID | 10946 | 12509 |
| Railroad | Hokkaido Colliery and Railway Company/JNR | Hokkaido Colliery and Railway CompanyJNR |
| Country | Japan | Japan |
| Whyte | 2-6-2T | 2-6-2T |
| Number in Class | 3 | 2 |
| Road Numbers | 47-49/3060-3062 | 59-60 / 3391-3392 |
| Gauge | 3'6" | 3'6" |
| Number Built | 3 | 2 |
| Builder | Burnham, Williams & Co | Burnham, Williams & Co |
| Year | 1898 | 1901 |
| Valve Gear | Stephenson | Stephenson |
| Locomotive Length and Weight | ||
| Driver Wheelbase (ft / m) | 11 / 3.35 | 9.67 / 2.95 |
| Engine Wheelbase (ft / m) | 24.60 / 7.50 | 22.25 / 6.78 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.45 | 0.43 |
| Overall Wheelbase (engine & tender) (ft / m) | 24.60 / 7.50 | 22.25 / 6.78 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 25,089 / 11,380 | |
| Weight on Drivers (lbs / kg) | 74,560 / 33,820 | 59,500 / 26,989 |
| Engine Weight (lbs / kg) | 103,551 / 46,970 | 78,400 / 35,562 |
| Tender Loaded Weight (lbs / kg) | ||
| Total Engine and Tender Weight (lbs / kg) | 103,551 / 46,970 | 78,400 / 35,562 |
| Tender Water Capacity (gals / ML) | 1100 / 4.17 | 850 / 3.22 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | ||
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 41 / 20.50 | 33 / 16.50 |
| Geometry Relating to Tractive Effort | ||
| Driver Diameter (in / mm) | 48 / 1219 | 50 / 1270 |
| Boiler Pressure (psi / kPa) | 160 / 11 | 160 / 11 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 22" / 406x559 | 14" x 20" / 356x508 |
| Tractive Effort (lbs / kg) | 15,957 / 7237.98 | 10,662 / 4836.21 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.67 | 5.58 |
| Heating Ability | ||
| Tubes (number - dia) (in / mm) | 169 - 2" / 51 | 131 - 1.75" / 44 |
| Flues (number - dia) (in / mm) | ||
| Flue/Tube length (ft / m) | 10 / 3.05 | 9.25 / 2.82 |
| Firebox Area (sq ft / m2) | ||
| Grate Area (sq ft / m2) | 18.30 / 1.70 | 15.70 / 1.46 |
| Evaporative Heating Surface (sq ft / m2) | ||
| Superheating Surface (sq ft / m2) | ||
| Combined Heating Surface (sq ft / m2) | ||
| Evaporative Heating Surface/Cylinder Volume | ||
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 2928 | 2512 |
| Same as above plus superheater percentage | 2928 | 2512 |
| Same as above but substitute firebox area for grate area | ||
| Power L1 | ||
| Power MT | ||