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Saxon I V

No. 1251

Although Baden, Bavaria and Prussia had tested Mallet tender locomotives for winding lines only with limited success, the Saxon State Railways ordered 30 Mallets from Hartmann which were built between 1898 and 1903. T...

	Saxon I V Remove
Variant	Standard
Built	1898-1903
Manufacturers	Hartmann
Wheel arrangement	BB ma
Gauge	1435 mm
Length	16756 mm
Service mass	60000 kg
Top speed	45 km/h
Power
Engine

General

Property	Saxon I V Standard Remove
Built	1898-1903
Manufacturers	Hartmann
Wheel arrangement	0-4-4-0
Gauge	1,435 mm

Dimensions and weights

Property	Saxon I V Standard Remove
Length	16.76 m
Wheelbase	5.75 m
Service mass	60 t
Adhesion mass	60 t
Rigid wheelbase	1.70 m
Axle load	15.1 t
Water capacity	12,000 l
Fuel capacity	4 t (coal)

Boiler

Property	Saxon I V Standard Remove
Grate area	2.08 m²
Evaporative heating surface	141.1 m²
Total heating surface	141.1 m²

Power plant

Property	Saxon I V Standard Remove
Driver diameter	1,260 mm
Boiler pressure	12 bar
Expansion type	compound
Cylinders	four, HP: 420 x 600 mm and LP: 650 x 600 mm

Power

Property	Saxon I V Standard Remove
Power source	steam
Estimated power	550 kW (748 PS)
Top speed	45 km/h
Starting effort	120.9 kN
Starting effort simple	145.1 kN

Calculated values

Property	Saxon I V Standard Remove
Factor of adhesion	1 : 4.87
Optimal speed	27 km/h
Power-to-weight ratio	9.2 kW/t
Adhesive weight/Total	1 : 1.00
Tractive force/Heating surface	1 : 17.89
Grate area/Heating surface	1 : 67.84

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