Construction year: 1928, 1931
Numbering locomotives: 48.001 - 48.035
Type of locomotief: ( Consolodation) 2-8-0
Mechanism
Diameter of cylinders (d) : 420 mm
Diameter of cylinders LD (d') : 570 mm
Piston stroke (l) : 610 mm
Piston stroke LD (l) : 700 mm
Diameter of driving wheels (D) : 1,550 m
Kettle
Kettle pressure (P) : 17 kg/cm²
Grid
Length: 3,233 m
Width: 0,996 m
Surface area (G) : 3,22 m²
Heating surface of the firebox: 16,53 m²
Heating surface of the firebox
Small fire tubes
Diameters : 65/70 mm
Amount: 84 // 6
Surface area 77,30 // 5,10 m²
Big fire tubes
Diameters : 125/133 mm
Amount: 24
Surface area 42,40 m²
Total heating area (S) : 141,33 m²
Diameter superheater pipes: 31,38 mm
Overheating surface (S1) : 45 m²
Boiler hull
Average diameter: 1,614 m
Plate thickness: 18 mm
Thickness fireboxplates: 15 and 17 mm
Material fireboxplates: Copper
Thickness fireboxplates
Sky plate: 16 mm
Rear and side plates: 16 mm
Pipe plate: 16 or 30 mm
Thickness of pipe plate - Smoke box: 25 mm
Content of the ride-on kettle: 6,500 m³
Steam chest volume: 3,670 m³
Surface area of steam release: 11 m²
Ratio S/G : 43,89
Ratio S1/S: 0,318
Weight empty locomotive: 78,805 ton
Adhesion weight (A): 75,7 ton
Ratio T/A: 1/4,61
Towing capacity: T= 0,65l (pd² + p'd'²) 16 425 kg
D
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