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Facts & Figures for Metrolink Vehicles

Firema T68 and T68a units for Altrincham, Bury and Eccles lines
 

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Facts & Figures
Track Gauge1.435 metre
Length of Tram29.84m over fixed couplers — phase one (T68)
29m over body phase two (T68a) and modified phase one
Width of Tram2.57m over body shell
2.65m at door sills
Floor height915mm above rail level throughout
Wheel diameter740mm (new)
Height of Tram 3.36m over body
3.7m over retracted pantograph
Contact Wire Height3.8m minimum
7.01m maximum
Weight 45 tonnes empty
65 tonnes fully laden
Doorways4 per side
Doorway width1.22m
Nominal platform gap75mm for phase one
40 mm for phase two
Retractable stepabout 700mm above rail level
Seating capacity82 plus 4 pull down seats
Standing122 at 4 per square metre
Nominal loading capacity200 with a crush-load of 250
Unpowered bogieCentre
Powered bogiesOuter — each powered bogie has two 105kW motors which are:–
separately–excited dc for phase one (T68)
three–phase ac motors for phase two (T68a)
Maximum speed (off-highway)80km/h (50mph)
Maximum speed (street running)48km/h (30mph)
Acceleration rate1.3m/s/s
Braking (normal)1.3m/s/s
Braking (emergency)2.6m/s/s
Jerk rate0.8m/s/s/s
Maximum gradient6.5%
Minimum curve radius25m
Voltage750V dc
Tram Numbers1001 to 1026 phase one (T68)
1005, 1010 and 1015 modified couplers etc.
2001 to 2006 phase two (T68a)

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This page was written by Tony Williams, Manchester Area Officer, Light Rail Transit Association. Contact manwebm@lrta.org if you have any comments, ideas or suggestions about these pages.