XPT specifications

Locomotives

XP locomotive/power car

Passenger cars

XBH/XDH/XFH first/economy class car with luggage van
XBR/XDR first class car with buffet
Original XF economy class car
XD/XM/XF/XB first/economy class car
XL deluxe car
XAM first class sleeping car

XP power car

                         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-XP2018

The 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).

More engine details from the Alstom sales brochures.

Valenta sales bruchure
61kb PDF

VP185 sales bruchure
630kb PDF

XP2000-2009 built by Commonwealth Engineering (Comeng), Granville, NSW in 1981/82.
XP2010-2014 built by Comeng in 1984.
XP2015-2018 built by ABB Transportation, Dandenong, Victoria in 1992/93.

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All trailer cars are 24.2m long, 2.92m wide and 4.04m high. In comparison HST trailers are 33.5m long and rated at around 33.5t.

XBH/XDH first class car with luggage van
XFH economy class car with luggage van

XBH2100-2103 built by Comeng in 1981/82, converted to XDH in 1989. XDH2100-2103 converted to XL in 1993.
XDH2104-2113 built by Comeng in 1983/84. XDH2111 converted to XBR2158 in 1993.
XDH2104-2110, 2112-2113 converted to XFH by Goninan in 1993.

Mass: 40t.

Original XBH with fixed 2+1 first class seating.

Car layout
XDH/XFH with rotating 2+2 seating.

XBR/XDR first class/buffet car

XBR2150-2153 built by Comeng in 1981/82. Converted to XDR in 1989.Recoded XBR in 1994.
XDR2154-2156 built by Comeng in 1984. Recoded XBR in 1994.
XD2225 converted to XBR2157 by Goninan in 1993.
XDH2111 converted to XBR2158 by Goninan in 1993.

Mass: 44t

Original XBR with 2+1 seating.

Car layout
XDR/XBR with rotating 2+2 seating.

XD/XB first class car
XM/XF economy class car

XF2200-2211 built by Comeng in 1981/82.
XF2206-2210 converted to XD in 1985.
XF2200-2205 converted to XB by Goninan in 1993.

XD2206-2210 converted from XF in 1985.
XD2212-2213 built by Comeng in 1984.
XD2214-2225 built by Comeng in 1986/87.
XD2206-2210, 2212 converted to XM in 1988.
XF/XM2200-2209 converted to XB by Goninan in 1993.
XM/XF/XD2210-2224 converted to XF by Goninan in 1993.
XD2225 converted to XBR2157 by Goninan in 1993.
XB2200-2209 reclassed as economy class in 1994.

Mass: 40t