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Many of our customers, as a result of the stub channel design on new cable type hammers, have found the stub channels to be much more maintenance free.

This modification can be made to older Vulcan hammers which were originally equipped with full length channels.

Should you desire to make this modification to you Vulcan hammer, contact the authorized represerrtative sefving your area or our factory for full details.

Note: as the tip implies, all Vulcan onshore hammers from the late 1970's onwards had stub channels. The main disadvantage to stub channels is that it is more difficult to drive piling past the bottom of the leaders using them, and that problem is best addressed by the use of an extension. Extensions are described in the Vulcanhammer.info Guide to Pile Driving Equipment.

Driven Pile Manual Volume 1a
Driven Pile Manual 1b
Driven Pile Manual 2