McMillen High Flow Auger HP75 Series
For Skid Steer Loaders and Mid-Sized Excavators. High Flow High HP Drive Units. 
Product Code: HP75

For Skid Steer Loaders and Mid-Sized Excavators.
  • High Flow High HP Auger Drives
  • 24 to 54 GPM available
  • Augers available up to 48" diameter
  • Wide variety of auger diameters, lengths and style for every digging application
  • All system pressure translates into torque and productivity, no pressure reducers are used
  • Extensions available for deeper digging
  • Various mounts available for most applications
  • 2 year warranty; up to 3 years additional planetary warranty
 
Model 4075 5075 6075 8075
Max. Auger Diameter 48" 48" 48" 48"
Hydraulic Flow Required 24-32 gpm 28-40 gpm 30-53 gpm 36-54 gpm
RPM 58-78 rpm 59-85 rpm 51-90 rpm 42-64 rpm
Max Continuous PSI 4000 psi 3500 psi 3500 psi 3500 psi
Max Working Back Pressure 300 psi 300 psi 300 psi 300 psi
Output Shaft 2" hex 2" hex 2" hex 2½" hex
Output Torque  
2500 psi 3155 ft-lb 3620 ft-lb 4531 ft-lb 6493 ft-lb
3000 psi 3786 ft-lb 4345 ft-lb 5437 ft-lb 7791 ft-lb
3500 psi 4417 ft-lb 5069 ft-lb 6343 ft-lb 9090 ft-lb
4000 psi 5048 ft-lb -- -- --
 

Auger Extensions
 

Fixed Length Auger Extensions extend the augers digging depth to exactly the length of the extension. They are available with 2" round, 2" hex or 2-9/16" round collars. These extensions do not store within the auger.

Variable Length Auger Extensions store inside the center tube of augurs that are 10" diameter or larger. Extension increments are every 6 inches on 12" through 24" extensions and every 12" on 48" through 72" extensions. They are available with 2" round, 2" hex or 2-9/16" round collars.
  

Type Lengths Increments Collars
Fixed 12, 18, 24, 48, 72" N/A 2" round, 2" hex & 2-9/16" round
Variable 12, 18, 24, 48, 72" 6" on 12"-24" ext.
12" on 48"-72" ext.
2" round, 2" hex & 2-9/16" round