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MOTOREX Magazine 2015 106 EN

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EXPORT FACTS AND FIGURES LIGHTER IS MORE EFFICIENT 57 % of Sweden is covered by forests. That’s around 23 million hectares, equivalent to the entire surface area of the United Kingdom! To ensure that mechanized timber extraction leaves as little trace on the natural environment as possible, Malwa, the Swedish forestry machinery manufacturer, builds machines that are light but all the more efficient. Forestry work has not left the forest floor untouched. Malwa offers customers an alternative generation of machinery, lighter but no less efficient and easy on the ground. Using broad tires and “boggy tracks,” the vehicle’s ground pressure is evenly distributed over its entire footprint. Company Malwa International AB Headquarters Skene, south-east of Gothenburg Established 2009 Employees 15 Present in Sweden, Norway, Finland, the Czech Republic, Poland, the Baltic States and Switzerland Sales SEK 50 million Website (Swedish and English) MOTOREX OEKOSYNT HEES was tested at Bosch Rexroth for 1,300 hours and meets the formal DIN ISO 15 380 (HEES) approval requirements. Picture: Bosch Rexroth AG When it comes to managing forests while inflicting minimal damage to the soil, Per-Olov Gunnarsson, a forest manager and entrepreneur from Alfta, knows why he opted for the combi machine Malwa 560 C. Some 300 km north of Stockholm in Alfta, as in other parts of Sweden, there are areas where high water content makes ground conditions difficult. Boggy areas also regularly affect how forested zones are managed. As forestry operations are mechanized, specific measures have been taken to keep soil compaction as low as possible. Sweden has clearly defined regulations for remediation of damage to the soil. If the forest floor remains intact, contractors can minimize the time-consuming and costly work. MALWA 560 H – THE PERFECT SIZE The main key to effectively reducing pressure on the forest floor is using lightweight machinery with good weight distribution. The Malwa 560 H is a harvester that weighs just 5,400 kg (or 6,700 kg when equipped with water-filled tires). The weight is specifically distributed over the six wheels, resulting in an advantageously low ground pressure. To leave a minimum of tire tracks, it runs on broad tires fitted with boggy tracks (a sort of caterpillar track that runs around the double axle unit). Equipped in this way, its ground pressure is a mere 0.2 kg/cm². A person walking through the forest exerts a ground pressure of 0.4 kg/cm². The Malwa 560 is also available as a forwarder (the 560 F) or combi version (the 560 C), which can be converted from a harvester into a forwarder in less than 15 minutes. and the hydrostatic transmission. All assemblies are lubricated with MOTOREX lubricants. HIGH-PERFORMANCE HYDRAULICS The working hydraulics have a capacity of just 60 liters. That, too, is the result of the weight-optimized design. At an engine speed of 1600 rpm, the axial piston variable displacement pump delivers 140 liters a minute, meaning that the machine’s entire supply of hydraulic fluid flows through the system 2.33 times every minute. Major forces can be reliably transmitted for hours at a time at pressures of up to 195 bar. It all sounds simple, but in fact it’s hugely demanding work and requires top-quality hydraulic fluid. By opting for rapidly biodegradable (OECD 301 B) OEKOSYNT HEES, Malwa has made an excellent choice, particularly in view of this biofluid’s major performance reserves. MALWA INTERNATIONAL AB Established in 2009, the company specializes in developing, building and marketing efficient and environmentally friendly forestry equipment. The Malwa machine concept first exhibited at the Elmia Wood trade fair in Sweden in the year of the company’s founding has been further refined and now forms the basis for today’s range of model versions. Malwa has been working successfully together with MOTOREX ever since it opened for business. With machinery precisely geared to today’s needs, Malwa is well positioned in the market. Its success also pleases forest manager and owner Per-Olov Gunnarsson of Per-Olov Gunnarsson Entreprenad AB, a 28-year forestry veteran. Because today, working economically while still protecting the environment is only possible with the right machinery. • Magnus Wallin (left), Malwa founder and current business development manager, with his customer, Per-Olov Gunnarsson. THINNING MADE EASY Fitted with a Log Max 928 grab and saw head, the Malwa 560 H is the perfect harvester for thinning trees up to 42 cm in diameter. The articulated harvester has a hydrostatic drive, transmitting motive power to either two or all six wheels. It is powered by a Caterpillar 3.4B, Tier 4, Euro Stage IIIB diesel engine. The 55 kW (75 hp) it generates is mainly used for driving the working hydraulics The Malwa 560 series: Malwa 560 H Harvester Malwa 560 C Combi = combined harvester and transporter The Malwa 560 H harvester at work: Malwa 560 F simple Forwarder (transporter) 16 MOTOREX MAGAZINE 106 I DECEMBER 2015 17



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