Type
|
Unit
|
Maximum speed(passenger transport)
|
Maximum speed(freight transport)
|
length
|
width
|
Height
|
weight
|
end
|
middle
|
end
|
middle
|
IIIa
|
25
|
200 km/h
|
90 km/h
|
2600 mm
|
320 mm
|
280 mm
|
260 mm
|
185 mm
|
370 kg
|
Generally,IIIa sleeper is suitable for ballasted track with standard rail gauge of 1435 mm. It's used for radius ≥300 m of curve track and direct track ,and applies to steel rails of 60 Kg/m or 75 Kg/m. The fastener matched is Type II elastic strip. The maximum axle load is 25 t.