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420M

Direct Push Machine

The 420M unit being powered by the Portaco® hydraulic power unit.

The 420M unit being powered by the Portaco® hydraulic power unit.

Cramped probing conditions inside a building

Cramped probing conditions inside a building

Hydraulic Quick Connects for easy & convenient set up and tear down of the 420M probe unit

Hydraulic Quick Connects for easy & convenient set up and tear down of the 420M probe unit

The 420M comes with two detachable outriggers for added stability during probing operations.

The 420M comes with two detachable outriggers for added stability during probing operations.

Geoprobe® 420M

Geoprobe® 420M

Transport through limited access locations

Transport through limited access locations

The 420M unit being powered by the Portaco® hydraulic power unit.
Cramped probing conditions inside a building
Hydraulic Quick Connects for easy & convenient set up and tear down of the 420M probe unit
The 420M comes with two detachable outriggers for added stability during probing operations.
Geoprobe® 420M
Transport through limited access locations

A Limited Access Machine for Interior and Basement Work

This powerful little machine was designed specifically to be durable yet as lightweight as possible. At 23 in. wide, 62 in. tall (folded), and weighing less than 425 lb., the 420M can be manually lifted and carried to remote sampling locations. It can also be deployed to hard-to-reach and narrow sampling locations. The 420M is powered by a remote hydraulic power source (sold separately) which easily attaches to the machine or by using the auxiliary hydraulics from other Geoprobe® machines.

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> Download Specs

420M

Direct Push Machine


A Limited Access Machine for Interior and Basement Work

This powerful little machine was designed specifically to be durable yet as lightweight as possible. At 23 in. wide, 62 in. tall (folded), and weighing less than 425 lb., the 420M can be manually lifted and carried to remote sampling locations. It can also be deployed to hard-to-reach and narrow sampling locations. The 420M is powered by a remote hydraulic power source (sold separately) which easily attaches to the machine or by using the auxiliary hydraulics from other Geoprobe® machines.

❯ Contact Us

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Features & Options

Easy to maneuver through a standard door opening, heading  for work in a residential basement.

Easy to maneuver through a standard door opening, heading for work in a residential basement.

    • 42-in. Stroke Accommodates 36-in. Tooling
    • Mast Weight Under 450 lb.
    • Reliable Geoprobe® GH40 Hammer System
    • Uses Remote Hydraulic Source
    • 23-in. Width Fits Easily Through Doorways
    • Pin-in Outrigger Legs Enhance Stability
    • Quick Connects Easily Attach to Remote Power Unit
    • Easy to Transport from Site-to-Site or to Remote Locations

Tooling & Accessories

Click on a section below to learn more about the tooling & accessories for the 420M.

Macro-Core® MC5 Soil Sampling System

Macro-Core® MC5 Soil Sampling System

Typical tooling that can be run with the 420M include:

  • 48-in. Direct Push Tooling
  • Probe Rod Sizes: 2.25 in., 1.5 in., 1.25 in.
  • Macro Core® MC5 Soil Sampling
  • LB Soil Sampling
  • DT22 Soil Sampling
  • SP22 Groundwater Sampling
  • SP16 Groundwater Sampling
  • 0.75-in. Prepacked Monitoring Well Installations

Video: Macro-Core® Center Rod

Our MC5 Soil Sampling System is a single tube, discrete or continuous system with unmatched durability.

MC5 Light Weight Center Rod Soil Sampling System The MC5 1.25 in. Center Rod System was designed for the absolute worst of the worst direct push probing conditions. “These are conditions that we normally do not recommend probing in,” according to Mike Carlin, Project Engineer, “so we developed the toughest soil sampling system in the direct push industry ... it’s a brute!”

Video: DT22 Soil Sampling System Overview

The Geoprobe® DT22 Soil Sampling System is a direct push system for collecting continuous core samples of unconsolidated materials from within a sealed casing of Geoprobe® 2.25 in. outside diameter probe rods. Samples are collected and retrieved within a liner that is threaded onto the leading end of a string of Geoprobe® 1.25 in. OD light-weight center rods and are inserted to the bottom of the outer casing.

The Geoprobe® Screen Point 22 System

The Geoprobe® Screen Point 22 System

The Screen Point 22 (SP22) Groundwater Sampler from Geoprobe Systems® was designed to keep the screen away from all percussive energy while the sampler is lowered downhole, thus extending the life of the screen.

The SP22 can be used alone as a groundwater grab sampler or groundwater profiling tool, or with the DT22 Soil Sampling System. The screens can be deployed using either 1.25-in. Lightweight Center Rods or PVC riser.

The screen head adapts to either a stainless steel or PVC screen. Designed for tough probing conditions, the fully retrievable sampler works well with the 8040DT machine or with 77 or 66 Series machines.

Tooling & Accessories


Overview

Macro-Core® MC5 Soil Sampling System

Macro-Core® MC5 Soil Sampling System

Video: DT22 Soil Sampling System Overview

Typical tooling that can be run with the 420M include:

  • 48-in. Direct Push Tooling
  • Probe Rod Sizes: 2.25 in., 1.5 in., 1.25 in.
  • Macro Core® MC5 Soil Sampling
  • LB Soil Sampling
  • DT22 Soil Sampling
  • SP22 Groundwater Sampling
  • SP16 Groundwater Sampling
  • 0.75-in. Prepacked Monitoring Well Installations
Macro-Core® MC5

Video: Macro-Core® Center Rod

Our MC5 Soil Sampling System is a single tube, discrete or continuous system with unmatched durability.

MC5 Light Weight Center Rod Soil Sampling System The MC5 1.25 in. Center Rod System was designed for the absolute worst of the worst direct push probing conditions. “These are conditions that we normally do not recommend probing in,” according to Mike Carlin, Project Engineer, “so we developed the toughest soil sampling system in the direct push industry ... it’s a brute!”

> Learn More
DT22

Video: DT22 Soil Sampling System Overview

The Geoprobe® DT22 Soil Sampling System is a direct push system for collecting continuous core samples of unconsolidated materials from within a sealed casing of Geoprobe® 2.25 in. outside diameter probe rods. Samples are collected and retrieved within a liner that is threaded onto the leading end of a string of Geoprobe® 1.25 in. OD light-weight center rods and are inserted to the bottom of the outer casing.

> Learn More
SP22

The Geoprobe® Screen Point 22 System

The Geoprobe® Screen Point 22 System

The Screen Point 22 (SP22) Groundwater Sampler from Geoprobe Systems® was designed to keep the screen away from all percussive energy while the sampler is lowered downhole, thus extending the life of the screen.

The SP22 can be used alone as a groundwater grab sampler or groundwater profiling tool, or with the DT22 Soil Sampling System. The screens can be deployed using either 1.25-in. Lightweight Center Rods or PVC riser.

The screen head adapts to either a stainless steel or PVC screen. Designed for tough probing conditions, the fully retrievable sampler works well with the 8040DT machine or with 77 or 66 Series machines.

> Learn More

Specifications

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

420M Specifications
Stroke42 in.1067 mm
Weight411 lb187 Kg
Weight (with rod guide & outriggers)446 lb202 Kg
Width (transport width)23 in.584 mm
Width (working width with outriggers extended)36 in914 mm
Length (mast vertical)28 in711 mm
Length (mast vertical & outriggers installed)45 in1143 mm
Length (mast horizontal)62 in1575 mm
Height (mast vertical - probe cylinder extended)94 in.2388 mm
Height (mast vertical - probe cylinder retracted)62 in1575 mm
Down Force11,700 lb52.1 kN
Retraction Force14,000 lb62.3 kN
Hydraulic Pressure (system)2,000 psi138 bar
Hydraulic Flow Rate (system)12 gpm38 L/min
Hammer SystemGH42
Percussion Rate30 Hz
Torque345 ft. lb.468 Nm
Rotation Rate (bi-directional)125 rpm
PortaCo Inc. Compact Hydraulic Power Unit Specifications
Hydraulic Flow Rate12 gpm38 Lpm
Hydraulic Pressure2000 psi138 bar
Engine Power, electric-start20 Hp Briggs & Stratton
Engine FuelUnleaded Gasoline (diesel available by request)
Size35 in. long x 29 in. wide x 32 in. high889 x 737 x 813 mm
Weight320 lb.145 Kg

Resources

Click on a section below to view information.



420M Specs

Literature Type: E-Specs
Download File: File 420M_Specs.pdf



The 420M unit being powered by the Portaco® hydraulic power unit.

The 420M unit being powered by the Portaco® hydraulic power unit.

Cramped probing conditions inside a building

Cramped probing conditions inside a building

Hydraulic Quick Connects for easy & convenient set up and tear down of the 420M probe unit

Hydraulic Quick Connects for easy & convenient set up and tear down of the 420M probe unit

The 420M comes with two detachable outriggers for added stability during probing operations.

The 420M comes with two detachable outriggers for added stability during probing operations.

Geoprobe® 420M

Geoprobe® 420M

Transport through limited access locations

Transport through limited access locations

Easy to maneuver through a standard door opening, heading  for work in a residential basement.

Easy to maneuver through a standard door opening, heading for work in a residential basement.

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