PKP class OKl27

OKl27
OKl27-41 in Chabówka
Power type	Steam
Builder	Cegielski Poznań
Build date	1928–1933
Total produced	122
Configuration	2-6-2T
UIC classification	1′C1′ h2t
Gauge	1,435 mm (4 ft 8 1⁄2 in)
Leading wheel diameter	860 mm (2 ft 9.9 in)
Driver diameter	1,000 mm (3 ft 3.4 in)
Trailing wheel diameter	860 mm (2 ft 9.9 in)
Length	12.863 m (42 ft 2 in)
Weight on drivers	67.7 t (149,250 lb)
Locomotive weight	85.1 t (187,600 lb)
Fuel type	Coal
Fuel capacity	4.0 t (3.9 long tons; 4.4 short tons)
Water capacity	10,000 l (2,200 imp gal; 2,600 US gal)
Boiler pressure	14 bar (200 lbf/in²)
Heating surface: Firebox	2.6 m2 (28 sq ft)
Cylinder size	540 × 630 mm (21.3 × 24.8 in)
Top speed	80 km/h (50 mph)
Power output	930 PS (680 kW)
Tractive effort	103 kN (23,000 lbf)
Career	PKP
Class	OKl27

OKl27 is the name for a Polish passenger steam tank engine used by PKP. It was the first completely Polish construction. The design was prepared by eng. Bryling.

History

Production

Hipolit Cegielski Metal Works in Poznań produced 122 engines in the period of 1928 - 1933.

Operation

This tank engine serviced mainly local transport, especially suburban lines.

Preservation

Four engines have survived: OKl27-10 in Skierniewice (as an exhibit), OKl27-26 in Warsaw Railroad Museum (as an exhibit), OKl27-27 in Gdynia (as an exhibit) and OKl27-41 in Chabówka.

See also

• PKP classification system

Resource

• Article at Live Machines site URL accessed on June 6, 2007