77 Digger Drive
Driver Heads – Digger Drives, Double Planetary, Output Torque, 6,500 to 12,000 FT.-LB, Two-Speed, Automatic Kickdown, Maximum System Pressure: 2,500 PSI.
The 77 Series Digger Drive, is a high-efficiency, heavy-duty, single-speed, double planetary drive that gives the operator ease of control in operation. Ideal for use in the rental market. This unit features a 19,000 lb shaft pressure load, 21,000 lb. shaft pullout load with a maximum system pressure of 2,500 psi and a maximum input speed of 3,000 rpm. Output shaft options include 2″, 2-1/2″, or 2-5/8″ hex.
Augers made to make your potholes digging, footings, shrub and tree plantings easy and efficient.
In construction applications, these diggers are suitable for mounting on skid steers, backhoes, and excavators, for increased job site mobility and efficiency over traditional methods.
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Specifications
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Performance Characteristics
Rated Output Torque 12,000 Ft. Lbs. 16,269 Nm Shaft Pressure Load 19,000 lbs. 8,600 kg. Shaft Pullout Load 21,000 lbs. 9,500 kg. Maximum System Pressure 2,500 PSI - *Shaft side loading not recommended - Maximum System Pressure 2,500 psi - Maximum Input Speed 3,000 rpm - Output Shaft 2", 2 1/2"or 2 5/8" hex - Bail Boss Diameter 1.25 or 1.5 in. 32 or 38 mm Operating Ambient Temperature -20°F to 110° F -28°C to 43°C Approximate Weight (with motor) 250 lbs. 113 kg. - - Motor Specifications - - Single speed hydraulic gear motors - Maximum system pressure 2500 psi (172 bar) Motors are internally drained and generally don't require a case drain - A 23 motor is limited to 100 psi back pressure - A 59 motor is limited to 500 psi back pressure - If the back pressure exceeds these ratings a case drain is required - - - Refer to brochure for Eskridge S77 series heavy duty drive head - - - All units with motors shipped with oil - Oil Capacities - - 77BA 6.5 pints (3.1 liters) 77BC 6.5 pints (3.1 liters) 77BD 6.5 pints (3.1 liters) - - Motor Mount Dimensions - - Pilot dimensions SAE 'C' 05.001/5.004 Bolt circle 2 x 5/8-11 UNC-2B ↓ ON 07.125 B.C. Features and Benefits
Heavy-duty - Double planetary - High-efficiency - Markets
Industrial - Mobile - Utility - Construction - Forestry - Mining - Quarry & Aggregates - Waste & Recycling - Applications
Skid Steer Loaders - Backhoe Loaders - Excavators - Wheel Loaders - Compact Track and Multi Terrain Loaders - -
Market Applications
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