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Digger Drive Gearbox

Digger Drive Gearbox

Driver Heads – Digger Drives, Output Torque, 4,300 to 20,000 ft.-lb., Two-Speed, Shift-On-The-Fly or Optional Single Speed, Heavy-Duty, Automatic Kick-Down, Maximum System Pressure: 2,750 PSI. The 75 Series Digger Drive, “Hydrasync” uses a high-efficiency double planetary for high-torque...

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Driver Heads – Digger Drives, Output Torque, 4,300 to 20,000 ft.-lb., Two-Speed, Shift-On-The-Fly or Optional Single Speed, Heavy-Duty, Automatic Kick-Down, Maximum System Pressure: 2,750 PSI.

The 75 Series Digger Drive, “Hydrasync” uses a high-efficiency double planetary for high-torque requirements, like foundation anchor installation, and drilling larger holes for piers. The 75 can provide a cost-saving alternative to other single-purpose equipment.


The 75 Series is available with automatic “Kick-down” option (when operations require it). The digger will shift to low-speed, high-torque position while you keep digging. There is no need for an additional hydraulic line to shift the motor. This option requires a motor with a high-pressure shaft seal.


Features:


Two-Speed

Automatic kick-down

Heavy-duty

Double planetary

High-efficiency

Models 75 or 78 XLT with Kickdown Features:


2-speed shift-on-the-fly XLT

For use in utility and construction applications

At 2,300 psi, shifts to low-speed high-torque

No shift line, shift valve or motor case drain line

Digger stays in low unless digger control valve is centered

Gives more control for driving anchors in changing soil conditions


Rated Output Torque20,000 ft. lbs.27,112 Nm
Maximum System Pressure2,750 psi189,7 bar
Output Shaft (hex)2-5/8" (66,7 mm)3" (76,2 mm)
Shaft Pullout Load30,000 lbs.13,600 kg.
Shaft Pressure Load30,000 lbs.13,600 kg.
Bail Boss Diameter1.51" (38 mm)2.0" (50.4 mm)
Approximate Weight (with motor)510 lbs.230 kg.
Motor MountSAE "C"2-bolt & 4-bolt
Motors1 & 2-speed (speed gear type)-
Maximum Shifting Pressure300 psi (20,7 bar)-
Motor Case CrainRequired
Oil Capacity10 pts.4,6 liters
Weight (with motor)510 lbs.231,8 kg.

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75/78 with Kick-down Digger Drive (product specification) Criteria--

Hydraulic System-

2400 psi / 250 psi-

40 gpm minimum-

MotorsTwo-speed with high-pressure seal

Motor mountSAE "C" 2-bolt & 4-bolt

Heavy-Duty, high-efficiency, double planetary driveShaft side loading not recommended


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