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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 Transmission with 5 forward and 1 Reverse
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
  • Cathead
  • Hydraulic Hoist
  • Slide Base
  • Side Shifting Base
  • Leveling Jacks
  • Drill Platform
  • Rod Rack
  • Auger Rack
  • Tool Boxes
  • Drillers Step
  • Vertical Drop Hammer Rack
  • Diedrich Positive Cathead Brake
  • Hydraulic Chuck
  • Water Pump
  • Hydraulic Rod Holder & Breakout Wrench
  • 140lb. Automatic SPT Hammer System
  • Carrier/Mast Safety Interlock 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 16″ (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, Liquid Cooled 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, totally enclosed & running in oil

Clutch & Transmission

13″ (330 mm) clutch with heavy-duty helical gear transmission with 5 forward & 1 reverse gear.

Right Angle Drive

Heavy-duty gear box totally enclosed and running in oil

Mast

The mast is 21′ from the slide base to the top of the sheave block. 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 cathead is mechanically driven from the drill transmission. The PTO provides 1 speed forward and 1 reverse. Drum is 8″(203mm) diameter and 6″(152mm) long with generously sized anti-four 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 16 in(406mm) 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.

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 L0918 (425)
  • Moyno 3L6 or 3L8
  • SP40 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 50 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.

Carrier/Mast Safety Interlock System

The Carrier/Mast Safety Interlock prevents the carrier from running while the mast is up. This safety device prevents driving the rig into overhead wires with the mast up.

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