HITACHI CONSTRUCTION MACHINERY

Rigid Box Design - Resists bending and twisting forces.

Computer-assisted analysis was used to check that the frame box can withstand heavy-duty excavation work.

 

Solid Cast Track Frame - More strength for this key area.

The track frame is cast as a solid unit and includes a flange for improved reliability. This non-welded design is used exclusively on large Hitachi models.

 

High-Mounted Compact Travel Motors and Optional Travel Motor - Guard Help to boost durability at rugged work sites.

This design helps protect the travel motors from damage by rocks.

 

Constant Correct Track Tension - Nitrogen gas accumulators (Insert break) absorb abnormal track tension.

Helps prevent abnormal track tension from causing damage.
Travel is automatically stopped if accumulator pressure exceeds a preset level.

Strategically Positioned Oil Coolers - Helps keep oil temperatures lower.

Oil cooler is used for optimal cooling efficiency.
They are positioned far from the engine radiator for even better cooling potential.

Rugged Track Links - Shoes include roller guides for extended service life.

This design has proven itself on Hitachi's popular Giant EX Series. The roller guides have been added to help extend service life.

 

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