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ZAXIS110
A Solid Base for a Long Life
HITACHI's technology is built on a wealth of experience and know-how from a variety of demanding conditions around the world. The undercarriage of the ZAXIS 110 has become much stronger.
Strengthened X beam and side frames
The X-beam is strengthened by the improved construction and enlarged box sections. Top and bottom plates of the X-beam use monolithic plates, instead of conventional welded four plates. This eliminates welding to strengthen the X-beam.

Strengthened idler brackets
The idler bracket is widened. Reinforcing plate is also attached to prevent the opening of the idler bracket.

Strengthened front attachment
At arm-bucket joint, the arm top is hardened with WC thermal spraying (Tungsten-Carbide) for greater wear resistance at its contact surface with bucket, reducing jerking. Reinforced resin thrust plates designed to reduce noise and resist wear.

WC Thermal spraying

Reinforced resin thrust plates
The new HN bushings, containing "solid molybdenum-based lubricant", are utilized at the boom-arm joint and arm cylinder mounting area for better lubrication and higher durability. (At other joints, conventional HN bushings are also utilized.)

New HN bushing

