Data from Hiroshi Takagi, both from his website ([]) and personal communication August 2000.
Information from Ejii Nozawa's web site ([]) says these were identical to the JNR's 9600s and also were built by Hitatchi, Kawasaki, KSK, and Mitsubishi.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | DT650 |
| Locobase ID | 3870 |
| Railroad | Taiwan Railway |
| Country | Taiwan |
| Whyte | 2-8-2 |
| Number in Class | 37 |
| Road Numbers | |
| Gauge | 3'6" |
| Number Built | 37 |
| Builder | several |
| Year | 1940 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | |
| Engine Wheelbase (ft / m) | |
| Ratio of driving wheelbase to overall engine wheelbase | |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 32,827 / 14,890 |
| Weight on Drivers (lbs / kg) | 131,307 / 59,560 |
| Engine Weight (lbs / kg) | 172,776 / 78,370 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 55 / 27.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 55.10 / 1400 |
| Boiler Pressure (psi / kPa) | 213 / 1470 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 21.7" x 26" / 551x660 |
| Tractive Effort (lbs / kg) | 40,229 / 18247.59 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.26 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 90 - 2" / 51 |
| Flues (number - dia) (in / mm) | 28 - 5.16" / 131 |
| Flue/Tube length (ft / m) | 18 / 5.49 |
| Firebox Area (sq ft / m2) | 154.94 / 14.40 |
| Grate Area (sq ft / m2) | 35.19 / 3.27 |
| Evaporative Heating Surface (sq ft / m2) | 1690 / 157.06 |
| Superheating Surface (sq ft / m2) | 693 / 64.41 |
| Combined Heating Surface (sq ft / m2) | 2383 / 221.47 |
| Evaporative Heating Surface/Cylinder Volume | 151.85 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 7495 |
| Same as above plus superheater percentage | 9669 |
| Same as above but substitute firebox area for grate area | 42,573 |
| Power L1 | 15,294 |
| Power MT | 1027.13 |