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ESU 54640 LokPilot XL V4.0 with PowerPack


MSRP: $99.99


The largest LokPilot decoder is the LokPilot XL V4.0. It communicates DCC with RailCom-Plus®, Motorola®, Selectrix® and M4 as well as auto-detection. With its superb motor control, 8 function outputs, and 4 servo channels as well as an integrated PowerPack it is made for outdoor railways and large scales. Screw terminals make installation a simple procedure.

Operational modes

The LokPilot XL V4.0 is a multi-protocol decoder meaning it speaks all common data formats such as DCC, Motorola® and Selectix®. In DCC mode, 14-128 speed steps are possible, as well as 2- and 4-digit addresses. You can activate up to 28 functions. Thanks to RailComPlus®, the decoder will be automatically recognised by a suitable command station (e.g. ECoS). It is able to control all DCC programming modes und can be driven and programmed by all DCC-compatible digital command stations from NCE, Digitrax, MRC Lenz and ESu. CV values can be read out on the main track with corresponding command stations, thanks to RailCom®. There are indexed CVs for command stations which are only able to program CVs from 1-255 (e.g. ROCO® Multimaus). Motorola® users benefit from up to 28 speed steps with 255 addresses. Three further Motorola® addresses allow the activation of 16 functions. The installed programming mode makes re-programming with the venerable Control Unit® 6021 also possible. The M4 protocol ensures an automatic recognition of the decoder by mfx®-compatible command stations (e.g. Märklin® Central Station or mobile station®). Reprogramming of M4 decoders is still possible with the mentioned command stations, like with original Märklin® decoders. The LokPilot XL V4.0 decoder auto-detects the known Märklin® braking sectors as well as the ZIMO® HLU braking commands or the Lenz® ABC system. Braking with DCC brake generators or with DC (“Brake on DC”) is supported. Furthermore you will be able to stop your train by using the Selectrix® braking diode.  The LokPilot XL 4.0 decoder can be used for both analog DC or AC locomotives. The decoder automatically switches between the different operating modes “on-the-fly”. In most cases one does not have to adjust anything.

Motor control

The LokPilot XL V4.0 decoder is equipped with fifth generation load compensation [BEMF]. Load control can either be adjusted to the model manually with the aid of 5 parameters or by using the “auto tune” feature of the decoder. This results in automatic adjustment of the motor characteristics. The motor output can handle up to 4.0A (even 5A for a short time). The LokSound XL V4.0 is able to control all known motors in from Mabuchi®, Bühler® or Faulhaber® without any problems. With Dynamic Drive Control (DDC) you can limit the influence of load control and you will be able to finely control your locomotive in the yard and when traversing turnouts. Speed will be prototypically reduced while travelling at higher speeds on a gradient on the mainline.


The decoder has function outputs for 8 lights as well as 4 additional servo outputs for coupling, pantographs or other mechanical operation.  All important light functions are available. The brightness of each output can be adjusted separately. Of course, the decoder is able to control the automatic decoupling move and push time for ROCO®, Krois® and Telex® couplers.

Safe operation

Like its forerunner, the LokPilot XL V4.0 also has an energy storaging PowerPack directly soldered on its board. It helps small locos with a small number of axles to run over dirty spots.


All function outputs and the motor current output are overload protected. We want you to have fun with your decoder as long as possible!


Part#: 54640   LokPilot XL V4.0 MM/DCC/SX/M4, 8 outputs, 4 servos, PowerPack, with screwing terminals


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