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Swedish State Railways T

Ta 664, built in 1901 by NoHAB

For heavy passenger and freight trains, the SJ ordered ten 4-6-0 locomotives from Richmond Locomotive Works, since the Swedish builders were busy at that time. They were two-cylinder compounds with a saturated taper b...

Swedish State Railways TRemove
Variant
Richmond
Built 1899
Manufacturers Richmond
Wheel arrangement 2C
Gauge 1435 mm
Length 16530 mm
Service mass 55140 kg
Top speed 75 km/h
Power
Engine

General

Property Swedish State Railways TRemove
Built 1899
Manufacturers Richmond
Wheel arrangement 4-6-0 (Ten-wheeler)
Gauge 1,435 mm

Dimensions and weights

Property Swedish State Railways TRemove
Length 16.53 m
Length loco 9.94 m
Wheelbase 7.10 m
Total wheelbase 13.14 m
Service mass 55.1 t
Adhesion mass 39.4 t
Total mass 85 t
Rigid wheelbase 3.86 m
Water capacity 15,000 l
Fuel capacity 6 t (coal)

Boiler

Property Swedish State Railways TRemove
Grate area 1.77 m²
Firebox surface 10.47 m²
Tube heating surface 122.5 m²
Evaporative heating surface 132.97 m²
Total heating surface 133.0 m²

Power plant

Property Swedish State Railways TRemove
Driver diameter 1,575 mm
Boiler pressure 12.4 bar
Expansion type compound
Cylinders two, HP: 508 x 610 mm and LP: 787 x 610 mm

Power

Property Swedish State Railways TRemove
Power source steam
Estimated power 530 kW (721 PS)
Top speed 75 km/h
Starting effort 74.4 kN
Starting effort simple 89.2 kN

Calculated values

Property Swedish State Railways TRemove
Factor of adhesion 1 : 5.20
Optimal speed 43 km/h
Power-to-weight ratio 9.6 kW/t
Heating Surface Equivalent 185.3 m²
Cylinder volume/HSE 1 : 1,467.75
Adhesive weight/Total 1 : 1.40
Tractive force/Heating surface 1 : 11.68
Grate area/Heating surface 1 : 75.12
Firebox/Tube surface 1 : 11.70
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