Allied Compaction Plate
Ho-Pacs are ideal for trench, slope and excavation compaction. The vibration produced by the Ho-Pac is an ideal force for compacting granular materials since vibration generates stress waves which bring the soil’s air to the surface
Product Code: Allied Compaction Plate

Allied pioneered the concept of hydraulically operated Ho-Pac vibratory compactor/drivers. Using an eccentric, rotating weight that creates vibrations and impulse energy, a carrier mounted Ho-Pac provides the needed forces for effective soil compaction.
The all-new extreme Ho-Pacs now deliver more impact energy, an errorless four-function valve, a variety of mounting configurations and maintenance-free oil splash bearing lubrication.

Because it's both a compactor and a driver, the Allied Ho-Pac permits even the smallest contractor or municipality to have this dual capability available.

  • Four Function Valve - Controls flow, pressure, regenerations and oil flow direction
  • Oil Splash Lubrication - Provides maintenance-free (no greasing) bearing lubrication
  • Tough Coat Hoses - Prevent cuts and extend wear-life
  • Variable Mounting SystemTM (VMS) available - All models available with Allied's patented VMS mounting system for quick changing between carriers
Ho-Pacs are ideal for trench, slope and excavation compaction. The vibration produced by the Ho-Pac is an ideal force for compacting granular materials since vibration generates stress waves which bring the soil’s air to the surface. As a result, the particles of soil are rearranged and moved closer to each other which reduces voids in the soil. Ho-Pacs compact in densities in excess of 95% Proctor. Ho-Pacs are also used for compacting waste materials and for breaking up frozen coal. An optional swivel-top mounting bracket permits precise positioning of the Ho-Pac without repositioning the carrier.
As a driver, Ho-Pacs offer a faster, less-expensive technique for driving wood, steel and aluminum sheeting, H and I beams, piling, posts and sea walls. Ho-Pacs send vibration along the length of the item being driven, breaking the skin friction that slows driving.
This vibration, coupled with the impulse force of the Ho-Pac and the carrier's down pressure, makes the unit a truly remarkable driver of beams, sea walls and piling.
The Skid Steer mounted Skid-Pac uses the same technology to provide the needed forces for effective flatwork soil compaction.
Changing from bucket to Skid-Pac in minutes, it eliminates the need for a special purpose machine - like a walk-behind plate compactor or ride on roller on the jobsite.


Model 300B 500B 1000B 1600 2300
Impulse Force 3000 lbs 5000 lbs 8000 lbs 16,000 lbs 24,000 lbs
Cycles per Minute 2000 2000 2000 2100 2100
Hydraulic Flow Required 6, 9, 14 or 18 gpm 12, 18 or 21 gpm 25, 30 or 43 gpm 47 gpm
Max Hydraulic Pressure 2000-2800 psi 2000-2800 psi 2400-2800 psi 2200 psi
Working Weight 310 lbs 435 lbs 950 lbs 1595 lbs 2190 lbs
Height 23" 24" 30" 40" 42"
Base Plate Dimensions 12" x 22" 13" x 27" 24" x 28" 29" x 32" 34" x 38"
Carrier Weight Class 2½-6 ton 3-7½ ton 4½-15 ton 9½-22½ ton 17½-60 ton


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