2018 International Forest Industries December 2017 January 2018 | Page 47

The Tigercat 5702-26 felling head is best matched to the X870D and LX870D feller bunchers As with all Tigercat felling heads, the 5702-26 is designed for durability, long life and easy maintenance Tigercat boosts feller buncher productivity in smaller diameter plantation wood under 405 mm (16 in). It has greater accumulating capacity than the 5000 bunching saw but the added weight of the additional trees and extra steel in the structure means that the 5300 is only suited to the full-sized Tigercat 870 series track carriers. Feller buncher productivity and efficiency improves because more trees are cut per cycle, reducing unnecessary machine travel. Skidder productivity and efficiency improves because the bunches are large, well aligned and easy to pick up. 5702-26 felling saw gum applications in highly abrasive soil conditions and rocky terrain. With fast shear cycles, the 2000 has proven to be highly productive, and extremely reliable. Compared with a disc saw, maintenance requirements are less and bushfire risk is minimized. The shear arm pivot bearing design is extremely strong and reliable. The chassis is constructed with hardened steel, with bronze alloy bushings installed in the grab and accumulator arms. The shear blades are the toughest on the market and replaceable hardened steel wear strips are available for very sandy soil conditions. The massive 62 cm2 accumulation pocket allows for larger bunches, subsequently boosting skidder production and reducing fuel consumption as the skidder can more quickly accumulate a load. The shear improves the flow of the entire harvesting system. 5300 Bunching saw The Tigercat 5300 bunching saw Tigercat’s 5702 felling saw has been a highly successful workhorse on Tigercat tracked and wheeled feller bunchers for almost two decades and now Tigercat has introduced an important evolution – the 5702-26 for tracked bunchers. The 5702-26 shares the same arms, horn, wrist and asymmetric geometry of the 5702 with a larger saw housing and blade to increase single-cut capacity, throat width and accumulation area. The 5702-26 features a 1,625 mm (64 in) diameter blade with 20 teeth spun at up to 1,050 rpm (max rated speed) delivering up to 30% more blade energy than the regular 5702. The single-cut capacity is 660 mm (26 in) for the 5702-26 compared to 580 mm (23 in) for the 5702. As with all Tigercat felling heads, the 5702-26 is designed for durability, long life and easy maintenance. It features durable, well-guarded, cushioned cylinders and strength-to-weight optimized frames. Hardened wear plates and replaceable liners are installed in critical areas. Heavy duty spindle and bearings in saw drive system can take the punishment from harsh forestry conditions. The 5702-26 is best matched to Tigercat 870 series feller bunchers. 5185 fixed felling saw and 5195 directional felling saw Tigercat’s 5185 and 5195 felling saws are steadily increasing in popularity globally in large timber and steep slope operations. Contractors in native hardwood and other oversize timber applications are seeing benefits from the 5195 coupled with the LS855E shovel logger due to the excellent shovelling performance on steep slopes. This significantly decreases the amount of side cut skidder trails required to access the timber which is a big advantage in forests with strict regulations and stringent oversight. The 5195 can efficiently top the trees within the cut block. With continuous rotation, the head is quickly and easily repositioned and double cuts on steep slopes are International Forest Industries | DECEMBER 2017 / JANUARY 2018 45