Compare locomotives
Add a locomotive
Denver, North Western & Pacific No. 200 to 216
Numbers 200 to 209 were built by Schenectady in 1909 and 1910 as 0-6-6-0 all-adhesion Mallets . Their special task was to haul rotary snow plows at speeds as low as 4 mph without stalling. Railway Gazette once wrote t...
| Denver, North Western & Pacific No. 200 to 216Remove | |
|---|---|
| Variant | |
| Built | 1909-1910 |
| Manufacturers | ALCO |
| Wheel arrangement | CC ma |
| Gauge | 1435 mm |
| Length | 25298 mm |
| Service mass | 148552 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Denver, North Western & Pacific No. 200 to 216Remove |
|---|---|
| Built | 1909-1910 |
| Manufacturers | ALCO |
| Wheel arrangement | 0-6-6-0 (Erie) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Denver, North Western & Pacific No. 200 to 216Remove |
|---|---|
| Length | 25.30 m |
| Wheelbase | 9.35 m |
| Total wheelbase | 19.61 m |
| Service mass | 148.6 t |
| Adhesion mass | 148.6 t |
| Total mass | 221.1 t |
| Rigid wheelbase | 3.30 m |
| Axle load | 24.8 t |
| Water capacity | 34,069 l |
| Fuel capacity | 10.9 t (coal) |
Boiler
| Property | Denver, North Western & Pacific No. 200 to 216Remove |
|---|---|
| Grate area | 6.708 m² |
| Firebox surface | 19.138 m² |
| Tube heating surface | 467.767 m² |
| Evaporative heating surface | 486.905 m² |
| Total heating surface | 486.9 m² |
Power plant
| Property | Denver, North Western & Pacific No. 200 to 216Remove |
|---|---|
| Driver diameter | 1,397 mm |
| Boiler pressure | 15.5 bar |
| Expansion type | compound |
| Cylinders | four, HP: 521 x 813 mm and LP: 838 x 813 mm |
Power
| Property | Denver, North Western & Pacific No. 200 to 216Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,454 kW (1,977 PS) |
| Starting effort | 300.2 kN |
| Starting effort simple | 360.2 kN |
Calculated values
| Property | Denver, North Western & Pacific No. 200 to 216Remove |
|---|---|
| Factor of adhesion | 1 : 4.85 |
| Optimal speed | 29 km/h |
| Power-to-weight ratio | 9.8 kW/t |
| Heating Surface Equivalent | 582.6 m² |
| Cylinder volume/HSE | 1 : 1,364.01 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 12.88 |
| Grate area/Heating surface | 1 : 72.59 |
| Firebox/Tube surface | 1 : 24.44 |
