The Allied Model HH-550 Hammerhead II concrete slab buster has been developed to offer an alternative to traditional demolition methods. Designed to fracture concrete, The Hammerhead II can Rubblize™ up to 12" thick concrete 10 times faster and more effective than traditional methods.
It is the fastest and most effective method for breaking large slabs as the unit automatically resets and fires up to 45 times per minute.
The Hammerhead II can be easily mounted onto Skid Steer Loaders weighing 2.5 - 4.5 tons, mini excavators in the 3.5 - 7.5 ton range or traditonal Rubber tired backhoes.
- Rubblizes™ up to 12" thick concrete with a single blow
Increased productivity
- Re-inforced footpad and impact bar
Provides long life with limited maintenance
- Operates in horizontal or vertical positions
Effectively breaks slabs or walls without losing power
- No troublesome nitrogen pre-charge , seals or back-pressure to worry about
Simple maintenance and repair.

The Hammerhead II is designed to break up to 12" of concrete flatwork. The concrete is rubblized™ at a 45º angle from the point of impact.

The surface may still appear intact, but is in fact broken below the surface!

Extent of broken concrete becomes evident when excavator bucket starts picking up concrete.
| Model |
HB-550 Hammerhead II |
| Mounting Type |
Skid-Steer, Mini-Excavator, TLBs |
| Operating Ranges |
|
| Impact Energy Class |
3000 ft. lbs. or 4000 ft. lbs.* |
| Frequency |
30 - 45 blows per minute |
| Hydraulic Flow Required |
8 gpm (30 lpm) |
| Hydraulic Pressure |
1700 - 3500 psi (117 -241 bar) |
| Working Weight |
1130 lbs. (513 kg.) / 1654 lbs. (750 kg.)* |
| Overall length |
94.5 in. (240cm) |
| Overall Working Length |
110 in. (280 cm) |
| Standard Demoltion Tool |
Blunt |
| Impact Bar Diameter /Weight |
4 in. (102 mm) / 388 lbs. (176 kg.) |
| Recommended Carrier Weight |
|
| Skid Steer |
5000 - 9000 lbs. |
| Mini Excavator |
7000 - 15000 lbs. |
| Tractor Loader Backhoe |
9000 - 16500 lbs. |
| * With 500# Weight on Skid Steer |