Construction Equipment

17 Pages 4361 Words

k at is the Komatsu WB140-2 backhoe loader. The WB140-2 is much more like the traditional backhoe that most bring to mind when they think about the backhoe.
The WB140-2 has a special new engine that was developed to comply with stricter emissions controls. The engine is a 369 cubic inch, turbocharged, direct injection, vertical, 4-cycle water-cooled diesel engine that generates 86 horsepower and 243 foot-pounds of torque.
The WB140-2 has standard front wheel steering system that is controlled by a hydrostatic load sensing priority valve system. The transmission is operated through a torque converter and a power shift-reversing shuttle. The mechanical 4-speed gearbox is synchronized. The axles are heavy duty with reduction gears in the wheel hubs. The rear axle has a differential lock that is controlled by an electro-hydraulic system with a switch on the loader control lever. The bucket capacity is 1.25 cubic yards. The lifting capacity at maximum height is 8,270 pounds and 10,580 pounds at ground level.
The digging depth of this particular ...