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New Tyre Concept for Semitrailer Tractors in Volume Transport

07/05/2015
  • Low-profile tyres allow optimisation of legally permitted overall height
  • 355/50 and 315/45 R 22.5 steering and drive axle tyres support Integrated Low liner concept
  • High-load-capacity tyres provide long service life and optimum fuel Efficiency

Hanover, May 7, 2015. Following the market launch of the new 315/45 R 22.5 drive axle tyre Conti EcoPlus HD3 at the start of the year, Continental has now completed its tyre offering for Lowliners with the new 355/50 R 22.5 steering axle tyre Conti EcoPlus HS3. Together, these two low-profile tyres represent a new tyre concept for towing vehicles. They enable fleet operators to make optimum use of the maximum 3-meter internal load height of their trailers without exceeding the maximum overall height of four meters permitted by law.
In addition to their high load capacity, these two tyres from the Conti EcoPlus family, which are specially designed for long-distance use and regional transportation with frequent use of motorways, also offer maximum service life and high fuel efficiency.

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The new Conti EcoPlus HS3 355/50 R 22.5 steering-axle tyre complements the Conti EcoPlus HD3 315/45 R 22.5 drive axle tyre, which together are ideally matched for use on semitrailer tractors in volume transport.

With their low diameters, these two low-profile tyres effectively lower the fifth-wheel height of the towing vehicle to ensure that the permitted external height is not exceeded, even when the internal load height is fully utilised. With a diameter of 934 mm, the steering axle tyre Conti EcoPlus HS3 355/50 R 22.5 offers a load-carrying capacity of 8 tons. The drive axle tyre Conti EcoPlus HD3 315/45 R 22.5, with a diameter of just 852 mm, has an axle load of 11.6 tons in twin fitment. Using the "0° technology" during the construction of the belt allows for high load capacity in the Conti EcoPlus HD3 315/45 R 22.5 and narrower drive axle tyre sidewalls are achieved through the use of a special carcass cord. This highly stable but very flexible material enables the carcass to easily withstand localised high bending loads.
The new rubber compound of the Conti EcoPlus HD3 315/45 R 22.5 provides optimum tread wear with low rolling resistance.

A rubber compound optimised for rolling resistance was also developed for the steering axle tyre Conti EcoPlus HS3 355/50 R 22.5. A special feature of the tread is its two-layer construction ("cap base concept"). The tread cap, with its own rubber compound, ensures optimal contact with the road surface for long service life. The special rubber compound of the tread base, which does not make contact with the road, reduces the heat generated in the crown providing maximum reduction in rolling resistance.

The newly developed profile design of the tyre improves grip in the wet, a result in part of the tightly interlocking micro-sipes between the longitudinal tread grooves. In addition, the "Plus Volume Pattern" of the Conti EcoPlus HS3 355/50 R 22.5 adds extra material to the tread, reducing the width of the longitudinal tread grooves. In turn the low void area of tread in contact with the road increases, simultaneously improving wear resistance.

Like all of Continental's Generation 3 tyres, the Conti EcoPlus HS3 355/50 R 22.5 and the Conti EcoPlus HD3 315/45 R 22.5 use a retreadable premium carcass featuring the patented AirKeep® inner liner to prevent gradual loss of inflation pressure.
Regrooving and retreading give tyres a longer service life with a lower rolling resistance—directly impacting the cost-effectiveness of the fleet. Regrooving indicators are integrated into the tread of both tyres to mark the possible regrooving depth.

Media Enquiries Contact
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Dr. Christiane Pfeiffer

Head of Communications CVT

Commercial Vehicle Tires

Continental AG l Divison Tires

Büttnerstrasse 25

30165 Hannover, Germany

+49 511 938-2683

+49 511 938-2230

Media Enquiries Contact
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Kashini Krishnamurthy

Marketing Communications Specialist

Truck Tyres Asia Pacific


Continental Tyre PJ Malaysia Sdn Bhd

4, Jalan Tandang, 46050 Petaling Jaya

Selangor, Malaysia

+603 7787 4117

Media Enquiries Contact
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David S.

Marketing Executive - Communications, PR & Digital


Continental Tyre PJ Malaysia Sdn Bhd

4, Jalan Tandang, 46050 Petaling Jaya

Selangor, Malaysia

+603 7787 8813

+603 7782 9766