Drawbar trailer, 4-axle (2010)                                                    

Drawbar trailers are mainly used in combination with a truck or tractor to transport vehicles. I developed this 4-axle drawbar trailer after finalizing the 5-axle dump truck. The model is based on the original Nooteboom ASDV-40-22 trailer. Both ramps fold/unfold manually by operating a 'handle' at the front-side of the loader. This handle drives a linear actuator which is integrated in the rear-side of the chassis. Each ramp consist of an automatic unfolding mechanism for the 2 sections, which provides a reduced ramp angle. 

The floor is made of studded plates, which gives the ability to secure the load with buffers anywhere on the floor. Additional buffers can be stored in a dedicated stock area on the front-side of the trailer.

Remark: the chassis of the original Lego^® Technic^® excavator (set 8294) is modified (4 studs smaller), otherwise the excavator did not fit on the trailer. My personal opinion is that the excavator looks even more realistic with a smaller chassis as well. Reason for the the wider chassis of the original model is to provide space for the battery box.

The dimensions of the 'Drawbar trailer'  model are:
* Length: 65 cm
* Width: 14,5 cm (18 studs)
* Floor load length: 46 cm (52 studs)
* Ramp angle: 15 degrees
* Weight: 1,1 kg

* Number of parts: 1014

* Development time: ~25 hours
* MLcad time: ~20 hours

Complete part list (including unofficial parts)
The complete part list of the Drawbar Trailer can be found in the Excel part list inventory. As well, a Bricklink XML file is available for a 'Wanted list mass upload' inventory on Bricklink.

Adobe PDF building instructions
The building instructions are available in the Adobe PDF document format. Please consider that this download takes a while due to the size of the WINrar file (~17 Mbyte). 

MLcad files:
The Drawbar Trailer consists of 1 mpd file, which contains multiple sub models (ldr files).

    MLcad files zipped with WINrar

The following MLcad files are used:

* Drawbar Trailer.mpd
        Axle_unit.ldr
        Buffer.ldr
        Chassis_leftside.ldr
        Chassis_unit1.ldr
        Chassis_unit2.ldr
        Chassis_unit3.ldr
        Chassis_unit4.ldr
        Compressor_black.ldr
        Compressor_gray.ldr
        Linear_actuator.ldr
        Ramps_section1.ldr
        Ramps_section2.ldr
        Rearlights.ldr
        Safety_bars.ldr
        Steer_unit.ldr
                   

MLcad unofficial part list
Please navigate to the 'MLCad parts library' page on this website if you having trouble with the correct reflection of the *.mpd and/or *.ldr files within MLCad or LDview.

Probably you do miss some (or all) unofficial parts I did use within the model.

LDview:
Version 3.0 of LDview will give the correct 3D views of the Dump Truck. Previous versions had problems with multiple ldr files loaded into one mpd file.

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