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150GT

Geotechnical Rotary Rig

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT ready for transport.

Geoprobe® 150GT ready for transport.

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT
Geoprobe® 150GT
Geoprobe® 150GT ready for transport.
Geoprobe® 150GT
Geoprobe® 150GT
Geoprobe® 150GT

Geotechnical sampling – Powerful, Fast, Easy, Safe

Specifically designed for customers focused on traditional geotechnical drilling applications utilizing: hollow stem auger, solid stem auger, SPT, mud rotary, air rotary, and high speed coring…Geoprobe® has released the all new Geoprobe® Model 150GT.

❯ Contact Us

> Download Specs

150GT

Geotechnical Rotary Rig


Geotechnical sampling – Powerful, Fast, Easy, Safe

Specifically designed for customers focused on traditional geotechnical drilling applications utilizing: hollow stem auger, solid stem auger, SPT, mud rotary, air rotary, and high speed coring…Geoprobe® has released the all new Geoprobe® Model 150GT.

❯ Contact Us

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Features & Options

Click on a section below to learn more about the features and options of the 150GT.

Geoprobe® 150GT

Geoprobe® 150GT

Specifically designed for customers focused on traditional geotechnical drilling applications utilizing: hollow stem auger, solid stem auger, SPT, mud rotary, air rotary, and high speed coring…Geoprobe® has released the all new Geoprobe® Model 150GT.

As we spent time with clients focused on rotary geotechnical projects, it became clear that some clients preferred 5 ft. tooling systems while others demanded speed; speed that could only be achieved by operating 10 ft. tooling.  There was really no single drillmast configuration that could offer our customers a real solution for every application.  For those customers that utilize 10 ft. tooling systems consistently, we are now able to offer a solution that we believe provides the drilling industry unique features that in the end will help Geoprobe® customers succeed.

CB5 4-Speed Head

CB5 4-Speed Head

The CB5 4-speed head on the 150GT Geotech Drill Rig features:

  • 6000 ft-lb torque; 600 rpm (torque to spin augers, speed to high speed core)
  • Full torque in forward and reverse; On-the-fly shift between 1 and 2, 3 and 4
  • Floating top swivel with 1-5/8-in. thru bore and 2.5-in. of float and 2-3/8-in. API Internal Flush thread
  • 6.25-in. external drive for HSA
  • Rod grip puller (1.5-in. to 5-in. rod)
  • Head side-shift (22-in.)
Geoprobe® 150GT Drill Mast

Geoprobe® 150GT Drill Mast

The drill mast on the 150GT Geotech Drill Rig features:

  • 144-in. of head feed travel & 45-in. of drill mast dump (this easily gives you the range you need to work ground level, above a pan, or drill at an angle)
  • Head travel speeds up to 140 fpm
  • Rollers instead of slides
  • Easily adjust to hole misalignment with extend and swing
DH107 Automatic Drop Hammer

DH107 Automatic Drop Hammer

The DH107 automatic drop hammer on the 150GT is designed to make your job efficient.

  • Allows operator to swing in drop hammer while head is still attached to the tool string
  • Integral safety features to protect the operator from improper deployment
  • 73-in. of float to easily accommodate different sample intervals.
The telescoping winch mast on the Geoprobe® 150GT

The telescoping winch mast on the Geoprobe® 150GT

The telescoping winch mast reduces the overall height of the rig, but still allows the tripping out of 20-ft. lengths of rod when combined with the 3-ft. extension.

Control Panel

Control Panel

The manual controls on the 150GT provide the tactile feel that some drillers prefer, while the electric control adds safe hands-free operation.

7-in. Breakout

7-in. Breakout

The 150GT features a swing out 7-in. breakout.

Geoprobe® 150GT

Geoprobe® 150GT

The easy to drive, automatic transmission truck does not require a CDL (Class A/B). This lowers upfront costs and allows for lower maintenance costs.

Features & Options


Geoprobe® 150GT

Geoprobe® 150GT

Video: Geoprobe® 150GT Features

Specifically designed for customers focused on traditional geotechnical drilling applications utilizing: hollow stem auger, solid stem auger, SPT, mud rotary, air rotary, and high speed coring…Geoprobe® has released the all new Geoprobe® Model 150GT.

As we spent time with clients focused on rotary geotechnical projects, it became clear that some clients preferred 5 ft. tooling systems while others demanded speed; speed that could only be achieved by operating 10 ft. tooling.  There was really no single drillmast configuration that could offer our customers a real solution for every application.  For those customers that utilize 10 ft. tooling systems consistently, we are now able to offer a solution that we believe provides the drilling industry unique features that in the end will help Geoprobe® customers succeed.

CB5 4-Speed Head


CB5 4-Speed Head

CB5 4-Speed Head

The CB5 4-speed head on the 150GT Geotech Drill Rig features:

  • 6000 ft-lb torque; 600 rpm (torque to spin augers, speed to high speed core)
  • Full torque in forward and reverse; On-the-fly shift between 1 and 2, 3 and 4
  • Floating top swivel with 1-5/8-in. thru bore and 2.5-in. of float and 2-3/8-in. API Internal Flush thread
  • 6.25-in. external drive for HSA
  • Rod grip puller (1.5-in. to 5-in. rod)
  • Head side-shift (22-in.)

Drill Mast


Geoprobe® 150GT Drill Mast

Geoprobe® 150GT Drill Mast

The drill mast on the 150GT Geotech Drill Rig features:

  • 144-in. of head feed travel & 45-in. of drill mast dump (this easily gives you the range you need to work ground level, above a pan, or drill at an angle)
  • Head travel speeds up to 140 fpm
  • Rollers instead of slides
  • Easily adjust to hole misalignment with extend and swing

DH107 Automatic Drop Hammer


DH107 Automatic Drop Hammer

DH107 Automatic Drop Hammer

The DH107 automatic drop hammer on the 150GT is designed to make your job efficient.

  • Allows operator to swing in drop hammer while head is still attached to the tool string
  • Integral safety features to protect the operator from improper deployment
  • 73-in. of float to easily accommodate different sample intervals.

Telescoping Winch Mast


The telescoping winch mast on the Geoprobe® 150GT

The telescoping winch mast on the Geoprobe® 150GT

The telescoping winch mast reduces the overall height of the rig, but still allows the tripping out of 20-ft. lengths of rod when combined with the 3-ft. extension.

Manual Controls with Electrical Augmentation


Control Panel

Control Panel

The manual controls on the 150GT provide the tactile feel that some drillers prefer, while the electric control adds safe hands-free operation.

Breakout


7-in. Breakout

7-in. Breakout

The 150GT features a swing out 7-in. breakout.

NO CDL Required (Class A/B)


Geoprobe® 150GT

Geoprobe® 150GT

The easy to drive, automatic transmission truck does not require a CDL (Class A/B). This lowers upfront costs and allows for lower maintenance costs.

Tooling & Accessories

Click on a section below to learn more about the tooling & accessories for the 150GT.

The interlocking design self aligns during assembly and is quick to disassemble

The interlocking design self aligns during assembly and is quick to disassemble

Our patented interlocking split spoon sampler is a unique geotechnical innovation from Geoprobe® that is engineered to greatly benefit your field team. It is built to be 2X stronger, last longer, and saves both money and field time over a conventional split spoon. Additionally, it meets ASTM Standard D1586.

The interlocking design provides axial alignment of the tube halves, making for a quicker assembly of the sampler. Each time it goes together it self aligns, creating a perfect fit. With the threads aligned, the cutting shoe and drive head can be threaded to the split spoon. The threads are a multi-lead, which requires fewer turns during assembly and disassembly over conventional split spoons. Less time is spent during assembly and disassembly, which speeds up each test interval.

In additional to time savings, the interlocking split sheath has two times the strength and durability of conventional split spoons. Enhanced material properties and manufacturing result in greater longevity. Design plays an important role as well. Each interlocking point keeps the two tube halves engaged throughout the sampling process. The strength of these connections prevents the sampler from bulging in dense materials. It also keeps the tube halves tightly engaged even when over-filling of the sampler occurs.

*Split tube soil sampling system manufactured under U.S. Patent 9,551,188

Tooling & Accessories


Interlocking Split Spoon

The interlocking design self aligns during assembly and is quick to disassemble

The interlocking design self aligns during assembly and is quick to disassemble

Video: Interlocking Split Spoon Overview

Our patented interlocking split spoon sampler is a unique geotechnical innovation from Geoprobe® that is engineered to greatly benefit your field team. It is built to be 2X stronger, last longer, and saves both money and field time over a conventional split spoon. Additionally, it meets ASTM Standard D1586.

The interlocking design provides axial alignment of the tube halves, making for a quicker assembly of the sampler. Each time it goes together it self aligns, creating a perfect fit. With the threads aligned, the cutting shoe and drive head can be threaded to the split spoon. The threads are a multi-lead, which requires fewer turns during assembly and disassembly over conventional split spoons. Less time is spent during assembly and disassembly, which speeds up each test interval.

In additional to time savings, the interlocking split sheath has two times the strength and durability of conventional split spoons. Enhanced material properties and manufacturing result in greater longevity. Design plays an important role as well. Each interlocking point keeps the two tube halves engaged throughout the sampling process. The strength of these connections prevents the sampler from bulging in dense materials. It also keeps the tube halves tightly engaged even when over-filling of the sampler occurs.

*Split tube soil sampling system manufactured under U.S. Patent 9,551,188

> Learn More

Videos


Overview

Specifications

Click below to view standard specifications. Specifications are subject to change without notice.

Overall Dimensions
Width96 in.2,438 mm
Length (transport)278 in.7,061 mm
Length (deployed, lateral fully extended)327 in.8,306 mm
Height (normal transport)126 in.3,200 mm
Height (winch crown removed)110 in.2,794 mm
Height (deployed; winch mast up)275 in.6,985 mm
Height (deployed; winch mast up)22.9 ft.6.985 m
Base Unit Weight 17,800 lbs.8,074 kg
Base Unit - Front5,900 lbs.
Base Unit -- Rear11,900 lbs.
Unit Weight (w/ typical options)18,780 lbs.8,518 kg
w/ Typical Options - Front 6,040 lbs.
w/ Typical Options - Rear12,740 lbs.
Drill Mast Positioning
Extension (fore and aft)6 in.152 mm
Lateral (side to side) (± degrees)4 degrees4 degrees
Drill Mast Dump45 in.1,143 mm
Front outrigger travel26 in.660 mm
Rear outrigger travel16 in.406 mm
Drill Mast Specifications
Head Travel144 in.3,658 mm
Head Travel12 ft.3.66 m
Head Crowd Force6,000 lbs.27 kN
Head Pull Force14,000 lbs.62 kN
Head Feed CarriageRollers Rollers
Head Feed Pressure Control (w.o.b)Optional Optional
Head Sideshift22 in.559 mm
Rotary Drive Options
4-Speed Rotary DriveCB5 CB5
Rotation Torque (Range 1)6,000 ft-lb8135 N-m
Rotation Speed (Range 4)600 rpm600 rpm
Top swivel thru passage 1.63 in.41 mm
Spindle Thread2-3/8 API IF floating spindle 2-3/8 API IF floating spindle
Spindle float travel2.5 in.64 mm
OD Drive6.25 in.
Rod Grip puller -- min rod diameter1.5 in.
Rod Grip puller -- max rod diameter5 in.
Primary Winch
line pull7,000 lbf31.14 kN
line speed115 fpm35 m/min
cable length150 ft.46 m
Second Winch
line pull1,100 lbf4.89 kN
line speed230 fpm70 m/min
cable length250 ft.76 m
Breakout
Single Clamp
Max Clamp force21,000 lbf93.41 kN
Breakout torque6,000 ft-lb8,135 N-m
Min Casing size compatible1.25 in.32 mm
Max Casing size compatible6 in.152 mm
Automatic Drop Hammer (DH107)
Min slug weight100 lbs.
Max slug weight340 lbs.
Drop Height30 in.
Float travel73 in.

Resources

Click on a section below to view information.

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT ready for transport.

Geoprobe® 150GT ready for transport.

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

Geoprobe® 150GT

CB5 4-Speed Head

CB5 4-Speed Head

Geoprobe® 150GT Drill Mast

Geoprobe® 150GT Drill Mast

DH107 Automatic Drop Hammer

DH107 Automatic Drop Hammer

The telescoping winch mast on the Geoprobe® 150GT

The telescoping winch mast on the Geoprobe® 150GT

Control Panel

Control Panel

7-in. Breakout

7-in. Breakout

Geoprobe® 150GT

Geoprobe® 150GT

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