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Prussian T 4

type Moabit

Under the designation T 4, the Prussian State Railways grouped various different tank locomotives with two coupled axles and a carrying axle , which were primarily developed for suburban traffic. The engines were prod...

General

Property	Prussian T 4 T 4[h]3[/h] T 4 Moabit type T 4[h]1[/h] T 4[h]2[/h] T 4[h]3[/h] Remove
Built	1898
Manufacturers	Schichau
Wheel arrangement	2-4-0T (Porter)
Gauge	1,435 mm (Standard gauge)

Dimensions and weights

Property	Prussian T 4 T 4[h]3[/h] T 4 Moabit type T 4[h]1[/h] T 4[h]2[/h] T 4[h]3[/h] Remove
Length	9.76 m
Service weight	45 t
Adhesive weight	30 t
Axle load	15 t

Boiler

Property	Prussian T 4 T 4[h]3[/h] T 4 Moabit type T 4[h]1[/h] T 4[h]2[/h] T 4[h]3[/h] Remove
Grate area	1.54 m²
Tube heating surface	86.67 m²

Power plant

Property	Prussian T 4 T 4[h]3[/h] T 4 Moabit type T 4[h]1[/h] T 4[h]2[/h] T 4[h]3[/h] Remove
Driver diameter	1,600 mm
Boiler pressure	12 bar
Expansion type	simple expansion
Cylinders	two, 420 x 600 mm

Power

Property	Prussian T 4 T 4[h]3[/h] T 4 Moabit type T 4[h]1[/h] T 4[h]2[/h] T 4[h]3[/h] Remove
Power source	steam
Estimated power	300 kW (408 PS)
Top speed	75 km/h
Starting effort	67.5 kN

Calculated values

Property	Prussian T 4 T 4[h]3[/h] T 4 Moabit type T 4[h]1[/h] T 4[h]2[/h] T 4[h]3[/h] Remove
Factor of adhesion	1 : 4.36
Optimal speed	27 km/h
Power-to-weight ratio	6.7 kW/t
Adhesive weight/Total	1 : 1.50

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