Sandvik QJ331 Mobile Jaw Crusher

The QJ340, QJ240, QJ330 and QH330 mobile crushers have been upgraded to QJ341, QJ241, QJ331 and QH331 respectively and will be built with a new engine compartment to house either Stage 3A/Tier 3 or Stage 3B/Tier 4i engines depending on the destination legislation. The introduction of this power pack coincides with a number of radical and innovative design changes to enhance performance and serviceability.

Among the operational upgrades, the new models will feature:

New Danfoss hydraulic and electrical control system for greater efficiency
Full PLC control system and colour screen allowing visual data output and control
Hydraulically driven cooling fan with auto reverse to back flush dust from radiator
Proportional control for machine tracking
Hydraulic raise and lower to the main conveyor on the jaw crushers to give increased clearance for rebar discharge in recycling applications
New Direct drive on the QH331 for enhanced operational capabilities
Sandvik customers will also be benefitted with even easier maintenance features:

Steel pipe work, for a maintenance free sealing solution and better heat dissipation
Improved service points: now both sides of the engine enclosure are accessible
All engine service points are easily accessible with low level drain points
All hydraulic valves will now be situated at ground level for ease of access
Diesel tanks and smaller hydraulic tanks are easily accessible from the front platform on the machine with inspection covers