Seaboard Air Line class T60-I4
United States 1896 17 produced
The class T60-I4, numbered 552 to 568, were 17 4-6-0 freight locomotives built by the Pittsburgh Locomotive Works in 1896. Designed by W.T. Reed, they had small drivers of 58 inches and cylinders of 19 by 24 inches. No. 559 was sold to the Raleigh & Charleston in 1917. Of the other 16 locomotives, around one half was retired in 1922 and 1923 and the rest between 1928 to 1930.
Technical data
General
- Built
- 1896
- Manufacturers
- Pittsburgh
- Wheel arrangement
- 4-6-0 (Ten-wheeler)
- Gauge
- 1,435 mm (Standard gauge)
Dimensions and weights
- Wheelbase
- 6.68 m
- Total wheelbase
- 14.71 m
- Service mass
- 59.5 t
- Adhesion mass
- 47.5 t
- Total mass
- 96.1 t
- Rigid wheelbase
- 3.58 m
- Axle load
- 18.1 t
- Water capacity
- 15,142 l
Boiler
- Grate area
- 2.174 m²
- Firebox surface
- 13.378 m²
- Tube heating surface
- 134.524 m²
- Evaporative heating surface
- 147.902 m²
- Total heating surface
- 147.9 m²
Power plant
- Driver diameter
- 1,473 mm
- Boiler pressure
- 12.4 bar
- Expansion type
- simple expansion
- Cylinders
- two, 483 x 610 mm
Power
- Power source
- steam
- Estimated power
- 597 kW (812 PS)
- Starting effort
- 101.7 kN
Calculated values
- Factor of adhesion
- 1 : 4.59
- Optimal speed
- 35 km/h
- Power-to-weight ratio
- 10.0 kW/t
- Heating Surface Equivalent
- 214.8 m²
- Cylinder volume/HSE
- 1 : 1,038.30
- Adhesive weight/Total
- 1 : 1.25
- Tractive force/Heating surface
- 1 : 14.36
- Grate area/Heating surface
- 1 : 68.03
- Firebox/Tube surface
- 1 : 10.06
