Saxon XIV HT

Saxon Class XIV HT
DRG/DR Class 75.5
Dampflokomotive_75_501_Eisenbahnmuseum_Schwarzenberg.jpg
Manufacturer: Sächsische Maschinenfabrik, Chemnitz
Numbering: 1801–1850
75 511–550
1851–1855
75 501–505
1856–1906
75 551–588
Built: 1911–1915 1915 1917/18, 1921
Retired: by 1970
Quantity: 50 5 51
Wheel arrangement: 2-6-2T
Axle arrangement: 1′C1′ h2t
Track gauge: 1,435 mm (4 ft 8+12 in)
Length over buffers: 12,415 mm (40 ft 8+34 in)
Fixed wheelbase: 2,800 mm (9 ft 2+14 in)
Overall wheelbase: 8,700 mm (28 ft 6+12 in)
Empty weight: 60.1 t 62.7 t 64.2 t
Service weight: 76.7 t 79.4 t 82.2 t
Adhesive weight: 47.7 t 48.8 t 49.5 t
Axle load: 15.9 t 16.3 t 16.5 t
Top speed: 75 km/h (47 mph)
Indicated Power: 990 PS (730 kW; 980 hp)
Driving wheel diameter: 1,590 mm (5 ft 2+58 in)
Carrying wheel diameter: 1,065 mm (3 ft 5+78 in)
Valve gear: Walschaerts (Heusinger)
No. of cylinders: 2
Cylinder bore: 550 mm (21+58 in)
Piston stroke: 600 mm (23+58 in)
Boiler overpressure: 12 kg/cm2 (1,180 kPa; 171 psi)
No. of heating tubes: 132
Heating tube length: 4,000 mm (13 ft 1+12 in)
Grate area: 2.30 m2 (24.8 sq ft)
Radiative heating area: 11.8 m2 (127 sq ft)
Tube heating area: 110.5 m2 (1,189 sq ft) 119.8 m2 (1,290 sq ft) 110.5 m2 (1,189 sq ft)
Superheater area: 36.2 m2 (390 sq ft) 65.0 m2 (700 sq ft) 36.2 m2 (390 sq ft)
Evaporative heating area: 122.3 m2 (1,316 sq ft) 131.58 m2 (1,416.3 sq ft) 122.3 m2 (1,316 sq ft)
Water capacity: 8.0 m3 (1,800 imp gal) 8.0 m3 (1,800 imp gal) 9.0 m3 (2,000 imp gal)
Coal capacity: 2.5 t 2.5 t 2.8 t
Brakes: Westinghouse compressed-air brake

The Saxon Class XIV T locomotives were six-coupled tank engines operated by the Royal Saxon State Railways for mixed duties on main and branch lines. In 1925, the Deutsche Reichsbahn grouped them into their DRG Class 75.5.