tunnelbuilder.com - Cat company profile

With a history of use in underground sites of more than 50 years, and the support that only the leading construction and mining equipment manufacturer can provide, CAT machines offer contractors the best choice for value in a variety of tunnelling applications.

Conceived to withstand the stringent demands posed by underground work, Caterpillar purpose-built equipment is available in most sizes and capacities to carry out nearly all tunnelling jobs. An assortment of CAT loaders and articulated dump trucks can be supplied for the bulk of the mucking out and earthmoving operations. CAT tunnelling excavators equipped with hydraulic hammers are designed to work on faces, benches, niches and drains, and assist in the erection of arch supports. At the same time, Caterpillar offers a wide range of utility machines like small excavators and wheel loaders, telehandlers, and skid-steer loaders, to fulfill all ancillary jobs at tunnel sites.

Regardless of whether the job is big or small, all CAT tunnelling equipment is designed to provide maximum operator safety and comply with the critical emission-control required during tunnel construction, while delivering great performance and low owning and operating costs.

A range of CAT loaders and articulated dump trucks is available in most sizes and capacities for use in tunnels.

CAT also offers hydraulic excavators with an extremely short swing radius and special tunnelling boom. All common front end tools are available such as hammers, rotary cutters and ripper buckets that can be matched to most production situations.

Caterpillar also produces utility machines, including small excavators, telehandlers, small wheel loaders, and skid steers for all the ancillary jobs at tunnel sites.

CAT underground machine reliability, availability and lowest operating cost are ensured by protection of vital machine components such as the radiator, engine and fluid tank. Substantial rear guards protect against sidewall rubbing, and hydraulic cylinders and rods are shielded from falling rock. Efficient diesel exhaust filtration systems assure a cleaner working environment.

Caterpillar S.A.R.L., 76, route de Frontenex, P O Box 6000, CH-1211 Geneva 6, Switzerland, tel +41 22 849 4074, fax +41 22 849 4998. Contact your local Caterpillar dealer, or visit www.cat.com