alligator druckseitenkopf de.gif logos druckseite.gif

ALLIGATOR Ventilfabrik GmbH • Richard-Steiff-Straße 4 • D-89537 Giengen / Brenz
Tel. +49 (0)7322 130-1 • Fax +49 (0)7322 130-359 •

Zurück zur Normalansicht
You are here:


Data sheet as PDF-File

What distinguishes HD from other tyre pressure monitoring systems?

The conventional tyre pressure monitoring systems on the market relay the information concerning inflation pressure to the driver. This means that the driver must decide on his own whether this information is used in good time or passed on to the workshop or fleet manager. Naturally HD fulfils this function as well. However, the primary goal is to keep the data on hand where it is needed for proactive tyre/vehicle maintenance. This allows the workshop and/or fleet manager to query the condition of his vehicles via the web-based software platform at any time, to plan necessary interventions and to track the completion of these interventions. With the INTIRE platform, the workshop manager and/or fleet manager manages and assigns parameters for all TPMS functions. With INFLEET, the workshop manager or fleet manager gets a tool for complete tyre management. It allows to collect, manage and analyse all tyre related information. HD can therefore do much more than a conventional TPMS: HD is a professional tyre management system with automated inflation pressure monitoring. It works so efficiently that it offers a return on investment from “inflation”.


How much does HD cost for an articulated truck, for example?

Please contact our HD sales team for a detailed offer adapted to your demands (see Contacts).


How long does it take for HD to pay for itself?

Naturally, this depends on the respective initial situation (inflation pressures, mileage, consumption, etc.). Using the average data provided in analyses from tyre manufactures as the basis, the amortisation period is just over one year.


What is the service life of the HD components?

The average service life of a sensor is approx. 5 years. As a rule, the sensor attachment strap can be used several times and the router or “Gate” installations have been designed for long-term operation.


How complicated is the installation of HD?

If the “Vehicle” version is selected, then all installation tasks can be carried out by trained workshop personnel without any problems. Mounting the sensors using the attachment straps takes less than one minute and can be executed when a tyre is mounted. As a rule attaching a router to the vehicle requires approx. 90 minutes. Our service technicians would be pleased to assist in this regard. We recommend that possible electrical connection points be made available on the respective vehicle for a permanent and a switched (via the ignition lock) power supply (e.g., in the fuse box or distribution box) that can handle a 2-ampere load. For the „Gate“ version the vehicle is only equipped with sensors in every tyre. The installation, configuration and hardware requirements of the receiving station depends on the local structural conditions, the standstill period, pass-by velocity and configuration of the vehicles. It therefore needs to be planned individually.


Can I equip my fleet with HD incrementally?

Incremental equipping is possible for both versions (“Vehicle/Gate” versions). Thus, each vehicle can be equipped when changing from normal tyres to snow tyres (or vice-versa). The tyres can even be equipped axle by axle. Naturally, you must decide this for yourself; however for efficiency reasons, we recommend equipping a complete vehicle. Whether completely equipped or partially equipped – all vehicles must be entered in the management platform, and parameters must be assigned for the vehicle in the management platform. And naturally the router must be installed in the “Vehicle” version, as well as the “Gate” version, in order to transfer the data.


What additional/subsequent costs occur when using HD?

Please contact our HD sales team for a detailed offer adapted to your demands (see Contacts).


Can I choose my own provider for the data communication? HD is a closed communication concept. We do not use SIM cards, we use SIM chips. For this reason, unfortunately it is not possible for you to use your own provider. However, so far users have confirmed that the communication fees are definitely competitive.


What are the prerequisites for implementation of HD? HD is suitable for all commercial vehicle fleets/bus fleets that use one-piece wheels from 16“ to 24“, and for light truck tyres or HGV tyres. The novel sensor attachment strap (SAS) and the small lightweight sensor are easily mounted. The router, as well, can be mounted almost anywhere thanks to its size and simple cabling. The driver is provided with permanent information via the optional display for the cab or the cockpit. Access to the management platform (INTIRE or INFLEET) occurs using a web app, thus local software installation is not necessary, you only need Internet access.


FAQSimple TPM systems with sensors on the outside (e.g., for screwing onto the valve) are much cheaper and easier to install. Why doesn‘t HD use such sensors?

Such systems have serious disadvantages. The flexing that occurs in the tyre heats the tyre, as well as the air inside the tyre. The heat that is caused by the vehicle brake and the mechanical friction in the wheel bearing, and which is transferred via convection or thermal radiation, also warms the wheel and tyre. Thus the pressure differential between a cold and „hot“ HGV tyre can be as much as 1.5 bar (or 15%). The system mounted on the outside cannot detect this temperature differential and thus, cannot compensate it. Consequently, experts recommend sensors mounted on the inside that detect pressure increase due to tyre warming, and display the measured values in a manner that is „temperature compensated“. The user does not have to figure out whether the tyre is hot or cold, or whether the measured value (not compensated) represents excess inflation pressure or insufficient inflation pressure. Moreover, sensors mounted on the outside may not be sufficiently protected against theft and mechanical damage. Mechanical problems, such as blocked brakes or a damaged bearing, are not detected (or they are detected too late), because sensors mounted on the outside do not register the increase in temperature in the wheel. Systems mounted on the inside fasten the sensor, e.g., on the valve (they cannot be used with every rim contour/valve position, or they can only be used with high risk when the tyre is mounted/dismounted), with metallic attachment straps or cables (special tensioning tools required, frequently there is contact corrosion and different thermal expansion between the clamping element and wheel) or in rubber containers on the inside of the running surface (cleaning and bonding process required, container may have to be removed and replaced when tyres are retreaded). Since these systems are usually more complicated and do not fit universally, we have designed sensors on the inside for the HD, and we have developed the SAS sensor attachment strap for the fastening.


ALLIGATOR is a specialist for tyre valves – why should I trust you with a system of this dimension?

ALLIGATOR has been dealing with TPMS for more than 20 years and can look back over many years of experience in the sector of passenger vehicle TPM systems, and has an established system in this market. This experience has been integrated in the development of the HD. In the tyre management sector, there are benefits from the co-operation with Tyrecheck, whose software solutions in this sector have been used as the „standard“ solution (e.g., for tyre manufacturers) for many years. Last but not least, the company has recruited personel with extensive experience from the fleet management and tyre management sector. We have already proven the practical suitability of HD in tests. And naturally, the test fleet experience has also been integrated in the development of the system.


Is HD already being used successfully?

The system has only recently been introduced. Consequently we are only at the beginning of the commercialisation. Nevertheless some renowned transport companies have already decided to equip or test HD. On request we are happy to name some references.


How can you prove that your system operates failure-free?

The experience of the pilot fleets as well as the first fleet customers confirm the functionality and the effect of HD. Many suggestions from these customers help to improve the continuous development of the system. Moreover, each interested customer has the possibility of testing the system in their own vehicles in advance before making a final decision for procurement and equipping their entyre fleet.


Doesn‘t dependence on the Internet make the system more susceptible to faults? What do you do if there is no Internet connection?

Here we must first differentiate the role the Internet plays for the respective information channel: From the driver information perspective, the Internet does not play any role at all, since there is a direct connection from the router to the display. Thus, safety-relevant information is not dependent on the Internet. System access to the TPMS or tyre management platform naturally depends on an Internet connection, which is also the situation with many other logistics platforms/order platforms and management platforms in the logistics sector. Consequently Internet availability in transport and logistics companies is always an important topic, independent of the use of HD. On the cloud database and management software side, naturally we take maximum system security into account by using redundant systems (back-up solutions).


FAQWhat is the anticipated proportion of ALLIGATOR‘s turnover that will be earned with HD? And what is the anticipated turnover for the complete product range?

In order to make a specific statement here, we must first assess the system‘s acceptance on the market in the future. However, one thing is sure, namely that the sensor product sector and thus, the product range for passenger cars and HD, will constitute a significant proportion of ALLIGATOR‘s business. We view this sector as an important pillar of the company in the future.


Do you already have contracts with the first customers? With whom, for example?

Although HD has only been launched recently some renowned transport companies have already decided to equip or test HD. On request we are happy to name some references.


From the initial enquiry to functionality – how long does this process take, or how quickly can you deliver and install HD?

We anticipate that interested customers will first want to inform themselves in greater detail concerning the system characteristics and benefits, before placing a definitive order. Then, the primary issue will likely be when the vehicles will be available for equipping, rather than the availability of system components. And finally, there must still be instruction in the use of the management platform. Naturally, pure delivery of the system, which is our main task, is then carried out very quickly.


Is HD also of interest for bus operations – whether private or public?

Economy, ecology and safety play an essential role, particularly in the public transport sector. Here, the „Gate“ version represents a cost-efficient and effective possibility for meeting the needs of this sector. As buses frequently run with so-called „comfort tyre pressures“ in the city bus sector, and tyre retreadability represents a significant cost aspect, the use of HD is particularly evident here. Coaches or long-distance buses can also make an important contribution in this direction with the „Vehicle“ version.


Do you mean that cities or municipalities should invest in the system, even though most municipal coffers are empty?

An investment in HD pays for itself within a very short period. Consequently, we definitely see opportunities here. And last but not least, the system is also an image-effective decision that documents that the operator really takes its responsibility, in terms of safety and ecology, seriously.


Who are you mainly targeting with the system?

All transport companies that have recognised that professional tyre management, which includes the monitoring of inflation pressures and temperatures, pays-off.


How long did the development of HD take?

ALLIGATOR has been involved with the HD system since 2011; the question as to what a modern transport company expects with regard to the subjects of tyre management and TPMS was clarified before a system solution was designed and the components were developed.


Who had the idea for HD?

After the successful introduction of in the passenger car sector, it was an obvious idea to develop a solution for the commercial vehicle sector, knowing full well that the customer expectations are clearly different here. This is why the initial customer survey was immensely important. As they say, „The bait is supposed to attract the fish, not the angler“. We have taken this into account in the best possible manner with HD.




alligator logo.png eha logo.pngstomil logo.png


2020 © ALLIGATOR Ventilfabrik GmbH - All rights reserved.

bg goback.png

bg toptop.png
ico phone wt.png



+49 (0) 7322.130-1

ALLIGATOR Ventilfabrik GmbH
Richard-Steiff-Straße 4
D-89537 Giengen


+49 (0) 7322.130-2



+ 48 (0) 61.4359-200

ul. Gnieznienska 6

PL-62 330 Nekla


+ 82 (0) 22699.6473

3F Koryo Bldg, Hwagok-Dong
Gangseo-Gu, Seoul, Korea