HST XPT Locomotive class 43 XP Builder British Rail Comeng/ABB Service entry 1978 1981 Dimensions: - Length 58'4" (17.8m) 17.35m - Height 4.22m - Width 2.89m Engine Paxman Valenta Paxman Valenta 12RP200L 12RP200L Specifications for Paxman Valenta 12RP200L Length: 96.75 in (2458 mm) Width: 56 in (1422 mm) Height: 90.75 in (2305 mm) Crank centre height: 29 in (740 mm) Number of cylinders: 12 (intercooled) Bore: 7.74 in (197 mm) Stroke: 8.5 in (216 mm) Displacement: 4811 cu in (78.9 l) Maximum speed: 1500 rpm Piston speed @1500rpm: 2125 ft/min (10.8 m/s) Compression ratio: 13:1 BMEP: 247 psi (17.3 kg/cm2) Dry weight: 14930 lb (6770 kg) (Source: Janes World Railways, 1976) Idle speed: 750rpm (1000rpm when supplying auxiliary power). Overspeed protection at 1750rpm. Power: - Gross (rated) 1680kW 1477kW - Traction 1353kW (max) (1153kW when supplying aux power) Alternator - Main Brush Brush BA10003A/BAE506A - Aux Brush BAH601B/BAE502B Bogies (2) BP-10 BP-10 Traction motors (4) Brush TMH68-46 MkIII Gear ratio 65:20 Wheel diameter 1020mm Mass 69.5t 72t (dead mass 85t) Axle load 17.5t 19t Fuel capacity 4500 litres Lube oil capacity 340 litres Maximum speed: - Service 125mph (200km/h) 100mph (160km/h) - Record 143mph (230km/h) 120mph (193km/h) Number built Prototype: 2 - Production: 19 Class numbers XP2000-XP2018The Paxman Valenta engines were downrated by 10% to suit Australian climatic conditions. The lower power-to-weight ratio combined with the lower gearing gives increased acceleration from stops and slacks (speed restrictions and curves).
Valenta sales bruchure
VP185 sales bruchure
XP2000-2009 built by Commonwealth Engineering (Comeng), Granville, NSW in
XP2010-2014 built by Comeng in 1984.
XP2015-2018 built by ABB Transportation, Dandenong, Victoria in 1992/93.
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XDH/XFH with rotating 2+2 seating.
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XD2206-2210 converted from XF in 1985.
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