B7-6
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MIDI EXCAVATOR B7-6 Operating weight Engine Digging force (arm) Digging force (bucket)

A breakthrough in the ultra-tight turning COMPACTNESS The B7 Sigma-6 is the most compact excavator in the 8-10 tons with a complete swing radius of 1320 mm, which is 34% less than comparable machines with articulated boom. It offers the possibility to the operator to turn 360° in a traffic lane of 2,7 meters. UNIQUE BOOM CONCEPT The Yanmar Sigma Boom is a three piece offset boom which offers the smallest turning radius, an increased lifting performance, and an optimal visibility on the working zone for the operator. POWERFUL YANMAR ENGINE The B7 Sigma-6 uses the newest version (Y-Harmonizer) of...

concept of the excavators CABIN The last generation of the B7 Sigma-6 received a lot of attention for the development of the operator station with radical changes. Yanmar developed a new cabin with an increased space for the operator by 40%. EASY OPERATION Ideally located, the control levers offer exceptional movement precision. Double adjustable proportional control of both auxiliary circuits. HIGH PERFORMANCE Efficiency beyond your ultra-tight turning machine. Features of a large excavator in a compact format to carry out heavyduty jobs. EXCELLENT STABILITY The robust X-frame design of the...

UNMATCHED COMPACTNESS when working at boom offset in narrow trenches, the second part of the boom does not strike the left-hand shoring plate, as tends to occur with traditional excavators. + True Zero Tail Swing excavator + Smallest front turning radius of the industry with only 1320 mm. + Ideal worktool for jobsites in densely populated areas and urban sites with limited space. This outstanding compactness has three major merits: + Increasing the efficiency and productivity of the machine. + Having a lower impact on traffic congestion. + Improved safety for the operator.

UNIQUE BOOM CONCEPT Yanmar developed for the B7-6 a unique boom concept. It offers a three piece offset boom, made out of high tensile steel, which is 1,5 times stronger than normal steel. The Sigma boom has several big advantages due to the specific cinematic, it offers the best dumping height – digging height in its class, combined with extraordinary digging depth. VISIBILITY The Sigma boom offers at the same time the best visibility on the attachment and the working area of the industry. This reduces greatly the stress for the operator and improves at the same time safety and productivity....

MAXIMUM STABILITY AND EXCEPTIONAL LIFTING STRENGTH The B7 Sigma-6 has an exceptional stability due to its unique boom design, since the pivot point of the boom is located close to the center of gravity of the machine. Therefore, the B7-6 is the optimal tool to lift and place loads. Furthermore, the B7-6 is equipped with the patented VICTAS system. This unique track system proposing an offset rolling path enables the excavator to lift loads with increased performance while having the most compact size in its class. UNIQUE UNDERCARRIAGE The X-shaped, box-section structure of the undercarriage...

PERFORMANCE POWERFUL YANMAR ENGINE The B7 Sigma-6 benefits from the most advances technology of the leading manufacturer of industrial diesel engines. The 53,5 HP TNV engine is equipped with direct injection to create clean burning power. It has fully-electronic control to provide the B7 Sigma-6 with total intelligent engine control. The engine is also equipped with a common rail system to allow fine-tuned electronic control of fuel injection. ELECTRICAL CONTROL SYSTEM EGR AND DPF The Yanmar engine is already fully compliant with EU Stage V requirement, meaning that our engine has cleaner...

Yanmar has been paying a lot of attention to the operator station with this ultimate version of the B7 Sigma-6. We have considerably increased the space inside the cabin by increasing the width and the length of the cabin. As a result the cabin offers 40% more space to the operator for an improved comfort. The interior of the cabin has been completely redesigned and developed with a lot of care, bearing in mind that the operator comfort has a direct impact on his productivity. The seating position has numerous possibilities of adjustments. The air suspension seat is standard and can be...

improved air conditioning The B7 Sigma-6 air conditioning performance has been greatly improved through increase of the cooling performance of the unit, and increase of the ventilation performance. The cooled air distribution and circulation in the cabin has been revised and improved through the optimal location of six vents. The defrost function ensures perfect demisting of the cabin. These changes improve greatly the operator comfort, especially in hot weather conditions. all-around v i s ibility The B7 Sigma-6 design provides an ergonomic environment, excellent visibility and exceptional...

SAFETY The structure of the B7 Sigma-6 cabin has been designed to meet the ROPS (Roll-Over Protective Structure) certification as well as the FOPS (Falling Object Protective Structure) level 1. The FOPS level 2 protective structure is optionally available as well as a front guard. LED LIGHTING: EFFICIENCY AND LOW CONSUMPTION In order to work safely, efficiently and with accuracy in the darkness, the B7 Sigma-6 comes standard with 3 LED lights, one positioned on the inner part of the boom, and two at the front of the cabin. The LED technology provides a powerful light while reducing energy...

MAINTENANCE EASY ACCESS Daily maintenance has to be performed easily. There is one easy to open engine bonnet and the right-hand side cover is mounted on one hinge to open easily. This gives an access to all major elements: air filter, A/C compressor, radiator, refueling pump, battery, fuel tank, hydraulic oil tank, alternator, engine oil dipstick, water separator, coolant level, etc… The fuses and relays are located under the seat and are easy accessible. LONG SERVICE INTERVALS Yanmar excavators are designed for working and therefore we increase the service intervals. For our DPF (Diesel...