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GM 4 Caterpillar – trencher for laying fiberglass

The GM 4 crawler trencher from Lingener Baumaschinen is a special machine designed for fiberglass laying. It is a tracked tiller ideal for use in difficult terrain and on uneven ground.

The GM 4 crawler has a powerful diesel engine and a hydrostatic drive system that allows the machine to work even in rough terrain. The tracks provide excellent traction and stability on any terrain, making the machine ready for use even in difficult working conditions.

The machine is equipped with a special fiberglass cutting system that allows trenches to be cut with precise dimensions to safely master fiberglass installation. The cutting system is also capable of compacting the soil directly under the cable to ensure that the cable is firmly anchored.

The GM 4 caterpillar is also equipped with a special protection system that prevents the cutter head from penetrating too deep into the ground and damaging the cable. This is particularly important to ensure a long service life of the cable.

In addition, the GM 4 dozer has a filling device that transports the excavated material directly into a trailer or container. This allows the excavation material to be removed quickly and easily.

All in all, the GM 4 crawler is a robust and reliable machine that is ideal for laying fiberglass. It is easy to use and can be quickly adapted to the requirements of different projects.

Practical pictures trencher GM 4 caterpillar in various applications.

Video GM 4 Caterpillar

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Versatile, even in hot, rough or mountainous regions. This modern trencher is the reliable device.

Especially when it comes to trenching or channels. Equipped with all-terrain four-wheel drive in the basic version, the tracked version brings even more safety, precise ride comfort and optimum load distribution. The trencher with chain drive feels comfortable at the edge of the field, where a drainage channel is planned. But also on the soccer field, where it mills the channels for the field heating – without ruining the grass.

The technically sophisticated equipment of the Grabenmeister GM4 crawler when laying fiber optics

An economical but very lively 4-cylinder diesel engine provides propulsion and sufficient power on the milling chain. Therefore, even heavy clay soils or boggy terrain are hardly a challenge for this flexibly deployable machine. The excavated material is ejected to the desired side. A conveyor belt can also be used to dispose of this directly onto an accompanying vehicle, which you can rent together with the trencher.

Time saving with one hopper

The optional hopper on the GM4 crawler saves time. In one step, the trench is milled and immediately filled with gravel. At the same time, the drainage pipe can be laid via a reel with pipe guide. This ensures the optimal position of the drainage in the channel and three operations are performed in one go. The sole scraper with plates and the dozer blade are also part of the complex scope of delivery.

Special advantages of the GM4 with caterpillar drive

For better roadability, the undercarriage camber was designed to compensate for coarser ground unevenness. Compared to the wheel drive, the tracked version of the trencher brings significant advantages. This includes in particular the even weight distribution of the device. The 4,900 kilograms cause minimal damage with a chain, which is why the crawler is essential, for example, when used on sports facilities. Therefore, the trencher GM4 caterpillar is offered for rent with operator.

The trencher GM4 caterpillar can be used on tracks on slopes without any problems. The vertical adjustment provides additional stability. The intelligent tilt device compensates for lateral slopes of up to 12° with the aid of powerful hydraulics. The adjustable operator’s platform is advantageous for difficult operations. This can be moved to the left and far forward, giving the operator a direct view of the milling chain and the trench, which is ideal for laying fiberglass.

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As a crawler, the Grabenmeister GM 4 with crawler undercarriage can cope with a wide variety of requirements. The flexible unit can be set to milling depths of 600, 800, 1250 and 1500 mm. Milling chains with knife-carbon bits or as a mixed chain are available. Milling widths from 70 to a maximum of 450 mm are possible.

Additional equipment for trencher GM4 Caterpillar for laying fiberglass

In its basic configuration, the GM4 is designed as an open ride-on unit. In this version, you can also rent these trenchers. The model is also available with either all-wheel drive or powerful track drive. Optionally, a driver’s cab can be mounted as weather protection.

This is always equipped with a particularly comfortable driver’s seat. If the mobile milling machine is purchased for year-round use, it is recommended to install the heater. Downright luxurious, but indispensable in hot countries, the Trenchmaster is also offered with air conditioning for the driver’s cab.

Data sheet GM 4 Caterpillar

To get a better insight into the performance and capabilities of the trencher working speed, we recommend you to watch our videos on There you will find informative content and hands-on demonstrations that will show you how this machine can revolutionize your construction project. In addition to this, we invite you to visit our video channel on YouTube. There you will find more videos that provide detailed insights into the functions and use of the trencher working speed.

Suitable trencher for the following applications

Milling width: 70-450 mm
Milling depth: 300-1500 mm
Motor: Doosan Diesel, Water-cooled, 60KW/79PS
Traction drive: Hydr. caterpillar drive
Working/ Transport speed: 0-8 km/h
Milling chain drive: mechanical/hydraulic. via power belt
Steering: hydr. via steering lever
Electrical system: 12V
Hydraulic system: -Tandem control pump Rexroth -operating panel -additional hydr. via gear pump
Tyre undercarriage crawler undercarriage: Steel chain with 300 mm rubber. Base plates
Standard equipment:: - Standard conveyor belt hydr.
- sole scraper
- Trench edge scraper
- Vertical adjustment hydr. 15 deg.
Milling beam depth: 600, 850, 1250, 1500 mm optional 3000 mm
Milling beam width: 70, 150, 200, 250, 300, 350, 400 and 450 mm
Weight: 4900 KG
Lenght: 5800 mm
Wide: 1900 mm
Height: 2700 mm