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Saxon III

No. 243 “Kamenz” on a Hartmann works photo

Type III was the designation of the first locomotives of the Royal Saxon State Railways, which could generally be used for express and passenger trains. These were tender locomotives with the 2-4-0 wheel arrangement t...

	Saxon III Remove
Variant	Standard
Built	1871-1873
Manufacturers	Hartmann;Esslingen
Wheel arrangement	1B
Gauge	1435 mm
Length	13035 mm
Service mass	37200 kg
Top speed	70 km/h
Power
Engine

General

Property	Saxon III Standard Remove
Built	1871-1873
Manufacturers	Hartmann, Esslingen
Wheel arrangement	2-4-0 (Porter)
Gauge	1,435 mm

Dimensions and weights

Property	Saxon III Standard Remove
Length	13.04 m
Service mass	37.2 t
Adhesion mass	25.8 t
Axle load	12.8 t
Water capacity	5,560 l

Boiler

Property	Saxon III Standard Remove
Grate area	1.6 m²
Evaporative heating surface	91.93 m²
Total heating surface	91.9 m²

Power plant

Property	Saxon III Standard Remove
Driver diameter	1,525 mm
Boiler pressure	8 bar
Expansion type	simple expansion
Cylinders	two, 406 x 560 mm

Power

Property	Saxon III Standard Remove
Power source	steam
Estimated power	250 kW (340 PS)
Top speed	70 km/h
Starting effort	41.2 kN

Calculated values

Property	Saxon III Standard Remove
Factor of adhesion	1 : 6.15
Optimal speed	37 km/h
Power-to-weight ratio	6.7 kW/t
Adhesive weight/Total	1 : 1.44
Tractive force/Heating surface	1 : 9.35
Grate area/Heating surface	1 : 57.46

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