The GTech GT8-MAX is a powerful geotechnical drill rig designed for contractors who need strong torque, reliable push/pull capacity, and versatile drilling performance in the field. Built on a CAT 308 platform and equipped with a GT8 drill head, automatic SPT hammer, high-capacity winch package, and multiple pump systems, this unit is configured to support demanding geotechnical and coring applications.
Key Features
⢠High-performance GTech GT8-MAX geotechnical drill rig
⢠Built on a CAT 308 platform
⢠Equipped with GT8 top drive drill head with open chuck for coring
⢠Strong torque and rotation speed combination for versatile drilling performance
⢠Linear bearing feed system for smooth feed operation
⢠Includes automatic SPT hammer, multiple winches, water tank, pump package, toolboxes, auger rack, and rod storage
Unit Specifications
⢠Year: 2022
⢠Engine: CAT C3.6 Stage 5, 134 hp
⢠Drill Head: GT8 top drive drill head with open chuck for coring
⢠Max Torque: 12,516 ft-lb
⢠Max Rotation Speed: 965 rpm
⢠Transmission: 2-speed Funk transmission with hydraulic shift
⢠Foot Clamp: 2-cylinder foot clamp with rod breaker, mast fixed
⢠GT Mast Push/Pull Capacity: 26,000 lbs
⢠Feed System: Linear bearing feed system
⢠Automatic SPT Hammer: 140 lb weight with 30″ cylinder stroke
⢠Wiggle Tail: 6″ total movement, 3″ right / 3″ left
⢠Slide Base: 16″ in/out slide base
⢠Mast Dump: 30″ mast dump with maneuverable coring stiff legs
⢠Water Tank: 100 gallons
⢠Controls: GT Drill hydraulic piloted controls
Winches & Pump Package
⢠Main Winch: 9,000 lb Braden main winch
⢠Tool Winch: 3,000 lb Braden tool winch
⢠Wireline Winch: High-capacity wireline winch with 600 ft of cable
⢠Recovery Winch: 20,000 lb track-mounted recovery winch
⢠Pump: Pratissoli KF-50M pump
⢠Moyno Pump: 3L8 Moyno pump assembly with 2-speed motor
CAT 308 Platform Specifications
⢠Leveling Jacks: Four 36″ leveling jacks
⢠Auger Rack
⢠Rod Storage Rack: 10 ft rod storage rack
Included Equipment / Storage
⢠One 24″ aluminum toolbox
⢠Two 48″ aluminum toolboxes
⢠Auger rack
⢠10 ft rod storage rack
⢠100-gallon water tank
Specifications are provided for general reference and may vary by unit configuration.
Interested in this GTech GT8-MAX? Contact Rig Source at (630) 365-1649 to confirm current availability, rental options, purchase options, pricing, and configuration details.



