Equipment

Akkerman Inc.

The 4800 Series GBM system is designed as an all-in-one system excelling in all pilot tube installation methods including auger boring, pilot tube microtunneling, and rock boring.

Features:
  • No diesel emissions in working shaft.
  • Direct install final product pipe or casing bore with one system.
  • Minimize launch shaft requirements.
  • Configurable latching style base frames to accommodate long pipe joints.
  • Two-speed hydraulics and gearbox travel system expedite pilot tube installation.
  • Hi-flow hydraulic valving with PCH controls standard.
  • Works with all existing Akkerman Dual Wall Pilot Tubes.
  • Installs pilot tubes in a wide range of ground conditions including rock.

GBM 4800 Jacking Frame

Specifications
ModelTorqueThrust/PullbackPipe OD
GBM 480026,000 ft-lbs.265 ton / 130 ton48-in
w/HTCA88,000 ft-lbs.265 ton / 130 ton48-in

Power Pack Options

ModelHPHydraulicControl
P200E200hp Electric(3) – Variable PistonRemote Pendent

Lube Pump Options

ModelHPPumpCapacity
2325B/D30hp Diesel6 & 10 gpm / 2,500 psi(2) – 325 gal.
2325B/E30hp Electric6 & 10 gpm / 2,500 psi(2) – 325 gal.
1525B/D20hp Diesel10 gpm / 2,500 psi525 gal.
1525B/E20hp Electric10 gpm / 2,500 psi525 gal.
1325B/G14hp Gas6 gpm / 2,500 psi325 gal.

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Testimonials

We have been using Akkerman trenchless equipment for as long as we’ve been in the game. From TBMs to GBMs and related equipment, there is no other manufacturer in our opinion. The technology and equipment capabilities continue to advance. Akkermans after market
support always takes the time to assess and provide solutions to any challenges we’ve encountered.

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Tunneling