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©Pascal Pfeffer
Shunting locomotive of Swiss Railways
Tm IV / 232 SBB CFF
This series of small shunting locomotives weighing 30 tons, made up of 89 units, was manufactured between 1970 and 1978 by SLM.
With an installed power of 280 kW it was the first large series of vehicles with hydraulic diesel traction used by the SBBs.
Mainly dedicated to maneuvers, track work and short journeys, their transmission allows them to choose between a maximum speed of 30 or 60 km / h depending on the needs of the service.
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The second series, renamed as TM232, underwent some changes as of 2007, such as the particulate filter according to current regulations, the compressed air system and a remote radio control were renewed.
(Text taken from book "Die Triebfahrzeuge von SBB Cargo" by Christian Ochsner").
Years of construction:1970-78
Builder: SLM
Modification: since 2007
Reformed by: IW Biel
Diesel motor: MAN ( MTU
Nominal power: 280 kW
Nominal speed:1700 rpm
Transmission: hidraulic Voith
Axle type: B
Maximum speed: 60 km / h.
Service weight: 30 t
Length between buffers: 7.670 mm
Distance between axles: 3.570 mm
Wheel diameter: 950 mm
© Pascal Pfeffer.
Toperas funcionales
Tm IV / 232 SBB CFF
Entirely new construction.
Versions epoch IV-V and VI.
Die cast metal chassis.
Central motor with flywheel and traction on the 2 axles.
Fine details and etched metal parts.
Interior lighting of the cabin with the figure of the driver.
Next 18 NEM 662 (MTC) digital interface.
AC and DC versions, analogue and Digital with specific sound for the Tm IV.
Digitally controlled automatic couplers.
Length over buffers: 88 mm.
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Factory added super detail parts.
Bronze bearing shafts.
Decorative front.
Swiss front and rear triple light.
Digital mode: 4 different light combination digitally switchable.
Tm IV / 232 SBB CFF
81520
81521
81520S
81521S
81522
81523
81522S
81523S
81524
81525
81524S
81525S