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D-70

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Specifications

Power Source 4 Cylinder 125HP (Tier 4)
Horsepower 125 HP
Spindle Bore 3.5" (89 mm)
Push & Retract Force Down: 21,450 lbs. (96 kN), Up: 32,500 lbs. (145 kN)
Rotary Box 100 Triple Strand Chain Drive
Clutch 13" Clutch
Transmission Helical Gear 6 Speed Transmission
Drilling Type All Purpose

You asked, we delivered. Big power with a compact footprint. This drill has been designed from the ground up to provide the ideal combination of all-terrain mobility and drilling performance. The D-70 boasts an industry leading track system, a robust rotary drive with all the options you need, all connected by a heavy duty frame that is ready to work!

For the best in class performance and reliability without compromise, the D-70 will work for you.

ADDITIONAL OPTIONS

  • Mast (Several Sizes Available)
  • Cathead
  • Hydraulic Hoists
  • Slide Base (In/Out)
  • Side Slide Base
  • Leveling Jacks
  • Drill Platform
  • Rod Rack
  • Auger Rack
  • Drillers Step
  • Hydraulic Chuck
  • Tool Boxes
  • Water Pump
  • Hydraulic Rod Holder & Breakout Wrench
  • 140lb. Automatic SPT Hammer System

If you don’t see an option you need, just ask!

Frame & Base

The drill frame is a weldment constructed of heavy wall rectangular steel tubing with sufficient strength and rigidity for heavy duty use. The hydraulically operated sliding base has 20″ (406 mm) of forward/reverse travel and 6″ (152 mm) of side-to-side movement to provide clearance for hoisting tools and can be mounted on any flat, adequate size surface.

Power Source

John Deere, 4 Cylinder Turbo Diesel, 125 HP with Tier 4 Emissions.

Maximum Gross Spindle Torque

1st Gear

Up to 11,200 ft. lbs. (15,185 NM)

Spindle Bore

3 1/2″ (89 mm)

Push & Retract Force

UP: 32,500 lbs. (145 kN)

Down: 21,450 lbs. (96 kN)

Rotary Box

#100, triple strand roller chain drive running in oil.

Clutch & Transmission

13″ (330 mm) clutch. Now using a 6-speed heavy-duty helical gear transmission in 2023+ model years.

Right Angle Drive

Heavy-duty oil filled gear box.

Mast

The standard mast is 21′ from the slide base to the top of the sheave block. Also offering 24′ and 29′ options. The mast is pivoted on the drill frame permitting operation of the drill with the mast horizontal. Quick disconnect is standard for both lengths. Sheaves are provided for 1″(25.4mm) manilla rope, 3/8″(9.5mm) and 1/2″(12.7mm) wire rope. The sheaves are 8″(203mm) diameter to reduce fatigue in the wire rope.

Cathead

The newly improved 2023+ cathead winches are hydraulically driven. The drum can be spun both clockwise and counterclockwise. Drum is 6″ diameter and 6″(152mm) long with generously sized flanges.

  • Line Pull : 5,000#(2270 kg)+
  • Speed : 500 ft/min (153m/min)+

The cathead is mounted to the right rear of the drill and is perpendicular to the long axis of the drill frame.

Hydraulic Hoist

Various capacity options are available. Hydraulic hoists utilize a worm gear drive with a sealed case. Gears and tapered roller bearings run in oil. Housing and drum are designed to prevent fouling of the cable. The controls are mounted on the operators console. Hoists are provided with a safety brake to prevent roll-back.

Slide Base

A hydraulically operated sliding base provides 20 in of travel to provide clearance for hoisting tools. The sliding base can be mounted on any flat surface of adequate size.

Leveling Jacks

Jacks are available for rear and front mounting. 4″(102mm) bore cylinders are enclosed within telescoping steel tubes for increased durability and stability. Each jack is provided with a pivoted foot pad with a non-slip surface. Standard stroke is 36″(915mm)

Drill Platform

Dimensions vary with the truck and carrier size. Welded construction consists of structural steel and deck plates. Running lights are included.

Standard D-70 truck lengths are a 125″ cab to axle measurement and larger with a minimum of 33,000 gvw rated truck. Contact us for more information on truck dimensional requirements.

Rod Rack

Deck mounted rod rack is standard with drill platform. Optional truck mount underbody rod rack is available

Auger Rack

Front mounted auger rack is standard on track mounted drills. Underbody fixed hinged or hydraulic auger racks are available options for truck mounted drills.

Tool Boxes

Deck mounted tool boxes are standard and available in several sizes. Underbody tool boxes are an option with truck mount drills.

Water Pump

Pump is frame or deck mounted and driven from the rigs’ hydraulic system

  • FMC Bean Pump
  • Moyno 3L6 or 3L8
  • SPX30 or 40 Hose Pump

Hydraulic Chuck

Hydraulic chuck mounts to top of spindle with jaws available through 3-1/2″(89mm)

Hydraulic Rod Holder & Breakout Wrench

This device is capable of holding up to 8″(203mm) O.D. drill rods or casing. It slides on and off the hole and also moves side to side. The device stores easily under the rig. A hydraulic breakout wrench is provided.

140lb. Automatic SPT Hammer System

The Diedrich automatic SPT hammer system hydraulically lifts a 140 lb.(63.5kg) drive weight and completely releases the weight for a 30 in.(762mm) free fall. The drive weight does not have a cable or rope attached that may impede its fall. The hammer can be operated at a rate of up to 46-48 blows per minute. The tolerance of the fall height is plus or minus 3/8 inch(9.5mm). The hammer mounts on the guide tube so that it can be hydraulically raised and lowered and easily moved to the on-hole driving position. The hammer can also be operated while suspended from a winch cable. The hammer driving force is transmitted only to the anvil and rods and the hammer allows for up to 24 inches(610mm) of driving without movement of the hammer body. The drive weight, lifting mechanism, and anvil impact surface are enclosed to provide optimum safety.

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