NEW H65DS HYDRAULIC HAMMER MAXIMIZES RETURN ON INVESTMENT AND EXTENDS THE RANGE OF POWERFUL D-SERIES HAMMERS

Slough, U.K., October 2, 2006

Caterpillar is pleased to announce the introduction of the H65Ds hydraulic hammer.* Replacing the H63 and H63s models, the Cat H65Ds hammer includes many new components and a variety of invaluable features designed to improve productivity, and reduce the likelihood of downtime.*

“The release of the H65Ds hammer is an extension of the successful line of D-series hammers designed with the customer’s satisfaction in mind” says Jan Willem van den Brand, Commercial Manager, Caterpillar Impact Products Ltd. “We are pleased that our new hammer add more productivity value to cater to the needs of our customers”.

New Features

The H65Ds includes a number of new and improved features designed to maximize productivity and minimize downtime. These include the following:

1.*Simplified Design for Reliability and Serviceability

The H65Ds hammer has been designed with focus on reliability with the ease of serviceability. The H65Ds was designed, using 6 sigma tools, with an astonishing 40% reduction of parts used in the hammer compared to the H63s.* This means that hammer disassembly and rebuild times have been reduced by up to half.

The lower bushing, upper bushing and thrust ring have all been incorporated in a 3 in 1 service part which allows easy access and visibility of the entire tool guidance system for quick inspection in the field without the need to send the hammer to a specialist repair center.* The check-in/check-out procedure for rental stores is simplified as all core wear components can be changed in a matter of minutes without the need for special tooling.* The design of the power-cell eliminates the need for tie-rods.* This single-piece design is more resistant to bending and prying forces compared to the three-piece body section of the H63/H63s hammer limiting the possibility of piston/cylinder misalignment.** The hammer has a 6-piece isolation system to isolate the power cell and hammer housing for carrier protection and operator comfort against mechanical vibrations being transmitted to the carrier.

The fully enclosed housing with smooth contours to match Caterpillar machine aesthetics does not have protrusions that can catch on materials in the worksite.

2.*Improved Performance

The performance of the H65Ds hammer sets it apart from other hammers in the

270 Kg weight range and puts it in a class of it’s own. Both the oil acceptance range and operating pressure have been increased which results in an overall improvement in productivity of over 15% compared to the H63/H63s hammer.

3.** Silenced as Standard

The H65Ds hammer is silenced as standard for greater operator comfort and greater environmental protection with a LWA noise level reduction of 2 decibels compared to the H63s and 13 decibels compared to the H63.

4.*Caterpillar Integral Mounting Arrangement

The hammer comes complete with mounting groups for 303CCR, 303.5CCR, 304CCR, 305CCR machines and Caterpillar pin grabber quick couplers thus eliminating the need for a mounting bracket for these machines.* For machines with a dedicated CW quick coupler, or Skid Steer and Multi Terrain Loaders, mounting adaptor plates are available.

5.*Wider Carrier Range

The hammer has a wide oil flow range for use with 303CCR, 303.5CCR, 304CCR, 305CCR and all Skid Steer and Multi Terrain Loaders, as well as an expanded range of non-Caterpillar branded carriers.

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