MBS Portable Rockbreaker Systems0 pages

MBS SERIES
Rockbreaker System

At A Glance
Operating Weights: lb. (kg.)
Model
Boom only
MBS10……... 2,800 (1273)
MBS10HR.... 2,800 (1273)
MBS12H…... 4,060 (1841)
MBS13HR.… 4,380 (1986)

Complete System*
4,362 (1978) – 5,112 (2318)
4,362 (1978) – 5,112 (2318)
6,108 (2770) – 8,026 (3640)
6,428 (2915) – 8,346 (3785)

* complete system from smallest to largest appropriate breaker, including
electric-hydraulic power pack: (PP50 for MBS10/10HR; PP100 for MBS
12H/13HR), and controls

High strength steel (bent, 4-plate) construction
65 ksi tensile strength; 50 ksi yield strength for longer
service life
Reinforced pivot and mounting pin joints from improved
durability

Dimensions: in (mm)
Model
Length x Width* Working length**
MBS10….. 164 x 34
130 (3307)
(4166 x 864)
MBS10HR.. 164 x 34
130 (3307)
(7673 x 864)
MBS12H… 174 x 34
140 (3556)
(4420 x 864)
MBS13HR… 186 x 34
152 (3866)
(4724 x 864)

FEATURES & BENEFITS

Base (L x W)
ø34 (ø864)

ø34 (ø864)
ø34 (ø864)
ø34 (ø864)

* less hammer
** swing center to dipperstick / breaker mounting pin (on-center) dimension

Operating parameters
Model
Hammer Model Range: ft-lb (J)
MBS10……… BX8: 800 (1085) thru BX15: 1500 (2034)
MBS10HR…. BX8: 800 (1085) thru BX15: 1500 (2034)
MBS12H……. BX10: 1000 (1356) thru BX30: 3000 (4067)
MBS13HR….. BX10: 1000 (1356) thru BX30: 3000 (4067)

Hardened steel bushings in pivot joints and larger
diameter pivot pins provide reduced bearing pressure
and increased service life
Enclosed oil bath bearing system with suspended drive
motor for increased useful life and improved
serviceability
Increased cross sectional strength of boom and dipper
where high stress is realized
All hose design allows for improved routing and ease of
replacement
Valve bank positioned for improved access based on
specific plant design

Legend:

Standard

Optional