Fairmont Hydraulic Breaker HPB45-2AVS

Great for breaking sidewalks and curbs or driving ground rod,
and for other small demolition jobs.
Clean modular design with few protrusions to irritate operator’s legs.
High blow energy provides maximum breaking power.
Integral rubber damper reduces chisel noise.
Low noise and vibration levels.
AVS tools have patented spring-dampened handles that reduce vibration transmitted to the operator by 80%-90%.
Two-step trigger.
Shank Size: 1"x 4-1/4" 
Weight 46 lb (20.9 kg)
Sound Power Level LWA=109 dB
Blow Energy 63 ft-lb (85 Joules)
Blow Frequency 2160/min
Oil Flow 5-8 gpm (18-30 lpm)
Length 26.5" (682 mm)
Hydraulic System Open-Center
Pressure & Return Ports 1/2" BSP
Whip Hose Threads 1/2" NPTF