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B4

Hammers

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.

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Operating Weight - With Tool 159 kg
Energy Class 370 J
Machine Class 2-5 Ton Mini Excavators, 216-299 Skid Steer/Compact Track Loaders
Tool Shaft Diameter 53 mm
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B4
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FEATURES & BENEFITS

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... Read more

Ergonomically Positioned Hydraulic Lines

Ergonomically positioned hydraulic lines are designed to optimize serviceability, are easily accessible and require no special tools. Housing has been positioned to prote... Read more

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. Read more

Flat Top/Top-Mount Style

Flat top/top-mount style provides a larger work area and excellent operator visibility with a common footprint and hole pattern for optimum versatility. Top-mount style... Read more

Newly Designed Skid Steer Loader Mounting Bracket

Newly designed skid steer loader mounting bracket features enhanced hose routing and improved ingress/egress with new bolt-on step and updated central step. Brackets are... Read more

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 36... Read more

Tool Mounted Operation and Maintenance Manual (OMM) Holder

Tool mounted OMM holder is sealed from the elements and includes all operation manuals and maintenance guides required for proper operation of the hammer (Skid Steer Load... Read more

Included with Each B Series Hammer

Every B Series Hammer comes with:Tool Kit w/Storage Box2 Tools (1 x Conical and 1 x Transverse Chisel)Maintenance Kit Read more

SPECIFICATIONS FOR B4

Operating Weight - With Tool 159 kg
Energy Class 370 J
Machine Class 2-5 Ton Mini Excavators, 216-299 Skid Steer/Compact Track Loaders
Tool Shaft Diameter 53 mm
Impact Frequency 600-1100 bpm
Minimum Operating Pressure 10286 kPa
Minimum Carrier Weight 2540 kg
Optimal Hydraulic Flow 25-50 lpm (6.6-13.2 gpm)
Overall Width 300 mm
Overall Length 340 mm
Overall Height 1190 mm
Height - Without Tool 830 mm
Sound Level 128 dB
Mounting Bracket Size Small-Medium

SELECT MODELS TO COMPARE

Hammers

H100

Blows per Minute 350 - 700
Minimum Operating Weight 783 kg
Rated Flow - Minimum 80 l/min
Rated Flow - Maximum 100 l/min
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Hammers

B2 Pin On

Operating Weight - With Tool 123.9 kg
Energy Class 290 J
Machine Class 1 Ton Mini Excavators
Tool Shaft Diameter 45 mm
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Hammers

H35D S

Impact Energy Class 203 J
Blows per Minute 2900
Tool Shaft Diameter 40 mm
Rated Flow - Minimum 12 l/min
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Hammers

H55Es

Operating Weight - With Tool 345 kg
Energy Class 813 J
Tool Shaft Diameter 58 mm
Impact Frequency 600-1680 bpm
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Hammers

B2 Side Mount

Operating Weight - With Tool 123.6 kg
Energy Class 290 J
Machine Class 1 Ton Mini Excavator
Tool Shaft Diameter 45 mm
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Hammers

H55s

Operating Weight - With Tool 345 kg
Energy Class 813 J
Machine Class 3-6 Ton Mini Excavators, 216-299 Skid Steer/Compact Track Loaders
Tool Shaft Diameter 58 mm
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Hammers

H25D

Operating Weight - With Tool 70 kg
Energy Class 169 J
Tool Shaft Diameter 36 mm
Impact Frequency 1000-1900 bpm
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Hammers

H45D S

Impact Energy Class 407 J
Blows per Minute 2500
Tool Shaft Diameter 48 mm
Rated Flow - Minimum 25 l/min
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304
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305 CR

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