MB556 User Manual ◄ 27
SPECIFICATIONS
DIMENSIONS AND WEIGHTS
Weight w/Tool Bit, & Mounting Bracket................................................................................................752 lbs / 396 kg
Length w/Tool Bit & Mounting Bracket............................................................................................... 63 in. / 1600 mm
Tool Working Length............................................................................................................................ 15 in. / 381 mm
Tool Diameter........................................................................................................................................ 2.7 in. / 69 mm
Hydraulic Pressure (working).......................................................................................... 1600-2000 psi / 110-138 bar
Flow Range
Minimum............................................................................................................................................. 12 gpm / 45 lpm
Maximum............................................................................................................................................ 22 gpm / 83 lpm
System Relief (min. cracking).......................................................................................................... 2700 psi / 186 bar
Return Line Pressure (max.)................................................................................................................ 350 psi / 24 bar
Operating Oil Temperature (max.)........................................................................................................... 190°F / 88°C
Adapter Fitting Size............................................................................................................................ -12 SAE O-Ring
Recommended Min. Hose ID............................................................................................................................. 3/4 in.
Blows Per Minute.........................................................................................................................590 min. / 1100 max.
Impact Energy Class.......................................................................................................................... 750 ft lb / 1000 J
Sound Power Level........................................................................................................................................ 124 dBA
Carrier Size (Skidsteer) ...............................................................................................4500-10000 lb / 2043-4536 kg
Carrier Size (Mini Excavator).......................................................................................7000-16000 lb / 3175-7200 kg
Carrier Size (Backhoe) ................................................................................................7000-16000 lb / 3175-7200 kg
NOTE: Weights, dimensions and operating specications listed on this sheet are subject to change with-
out notice. Where specications are critical to your application, please consult the dealer.
TORQUE TABLE
Item No. Illustration Description Apply Ft/Lb Nm
10 Power Cell (4) Hollow Hex Plug -12 SAE Loctite™ 242 150 203
20 Power Cell (1,3) Tie Rod Kopr Kote™ 400 542
24 Power Cell (4) Charge Valve Loctite™ 242 75 101
37 Power Cell (1,4) Capscrew Loctite™ 242 85 115
55 Housing (2) Capscrew Kopr Kote™ 455 617
45 Housing Nut Kopr Kote ™ 455 617
1 Tighten in a cross pattern
2 Thread into nut by hand
3 Thread tie rod into nut by hand
4 Use Loctite™
