B8 Non-Silenced Side Mount Hydraulic Hammer
- Operating Weight - With Tool
- 802.5 lb
- Energy Class
- 848.2 ft·lbf
- Machine Class
- 415-444 Backhoe Loaders
Cat® Hammers for Skid Steer Loaders, Compact Track Loaders, Mini Excavators and Backhoe Loaders are high performance breakers, designed for maximum performance on demolition, construction, and road work.
Features
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Application
Cat® B Hammers are suitable for use in a wide range of construction and light demolition applications – such as breaking concrete sidewalks and driveways, pavement, roads, masonry, site prep and landscaping, and breaking frozen ground for utility repairs.
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Unique Housing - Optimized to fit Caterpillar Backhoe Loaders
The robust housing incorporates two mounting configurations, for either pin-on (red arrow) or pin grabber quick coupler (green arrow) machine installation.
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Integral Strain Relief Hose Routing Specifically Designed for Backhoe Loaders
Includes integral strain relief for the jumper lines. The clean lines routing, Caterpillar Toughguard hose material, and abrasion sleeve protect against damage during demolition applications or when tucked in roading position.
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Pin On/Side Mount Style
Pin On/Side Mount style hammers provide more flexibility and are better suited for highway or construction breaking jobs. The reduced number of bolted joints also provides a more robust frame that increases hammer longevity.
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Slip Fit Bushings
Slip fit bushings are field replaceable and easy to maintain due to one locking pin, extending wear life and reducing owning and operating costs. Upper bushing rotates 360°, lower bushing has two positions and can be rotated 90°.
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Gas Fired Design
Gas fired design delivers consistently high production over time making the breaker reliable in applications such as concrete, asphalt, rock and light trenching.
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Everything Is In The Box
The hammer is delivered ‘dirt-ready,’ and includes mounting pins, preassembled jumper lines, transverse chisel & conical style hammer tools, and tool box w/charging kit & service parts. Quick disconnects must be ordered separately.
Specifications
Units for specifications
General
| Operating Weight - With Tool | 802.5 lb 364 kg |
|---|---|
| Energy Class | 848.2 ft·lbf 1150 J |
| Machine Class | 415-444 Backhoe Loaders |
| Tool Shaft Diameter | 3 in 75 mm |
| Impact Frequency | 400-800 bpm |
| Minimum Operating Pressure | 1704.1 psi 11749 kPa |
| Minimum Carrier Weight | 13227.7 lb 6000 kg |
| Optimal Hydraulic Flow | 50-90 lpm (13.2-23.8 gpm) |
| Overall Width | 15.2 in 385 mm |
| Overall Length | 27.5 in 698 mm |
| Overall Height | 59.6 in 1514 mm |
| Height - Without Tool | 43.5 in 1106 mm |
| Sound Level | 133 dB |
| Mounting Bracket Size | Pin On |
Videos
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Cat® B6 and B6s Hammers at Work -
Cat® B8 Hammer and 309CR at Work -
Cat® B8 Hammer and 440 at Work -
Cat® B Model Hammers Features and Benefits -
An Attachment for Every Job - Cat® Work Tool Attachments