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Northrock concrete vibrators offer just the right mid-frequency and force characteristics required to set material particles in motion fast, for rapid consolidation of homogenous mixes. At the same time, these optimum frequencies avoid the possibility of destroying important pressure-relief chains produced by small air bubbles. These relief chains are known to resist damage during freeze-thaw cycles in colder climates. They are not protected by competitive higher frequency systems which tend to destroy them. And Northrock concrete vibrators are designed to maintain these optimum frequencies regardless of slump, head size, or other load factors.
Vibrators
Northrock Pro 3+ Electric Vibrator
3.25hp Concrete Vibrator


-All Northrock power units may be configured to drive other brands shafts and heads-
- Electric motors are protected by a high strength cast aluminum housing that also dissipates potentially damaging heat
- A rugged shock-absorbing frame protects the housing while acting as a convenient carrying handle for the unit
- Watertight, strain relief power cords take all kinds of abuse on the job
- power switches are protected by the frame
- Motors are designed to maintain a vibration frequency of at least 10,000 rpm undermaximum load
- UL and ULc listed
-Heads and Shafts sold separately. Listed price is only for the motor itself-
Downloadable Instruction Manual
| Motor | 3.25 hp |
| Power Supply | 115V / 19amps |
| Max Head Diameter | 2.5" |
| Weight | 25 lbs |
| Warranty | Lifetime |






