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STC300S TRUCK CRANE
INTRODUCTION
STC300S TRUCK CRANE
INTRODUCTION
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Quality Changes the World Quality Changes the World
Cab
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It is made of safety glass and anti-corrosion steel plate with ergonomic design such as full-
coverage soften interior, panoramic sunroof and adjustable seats etc., and humanized
design providing more comfortable and relaxing operation experience. The display of load
moment limiter integrates main console and operation display system, which clearly show
the data of all operating superstructure conditions for lifting operation.
Hydraulic system
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High-quality key hydraulic components such as main oil pump, rotary pump, main valve,
winch motor, and balancing parts etc. are adopted to achieve stable and reliable operation
of the hydraulic system. Superior operation performance is guaranteed by accurate
parameter matching.
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Main valve has flow compensation, load feedback control function, enabling stable
and convenient control of single action and combined action under different operation
conditions.
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Winch adopts the variable motor to ensure high operation efficiency. Max. single line
speeds of main and auxiliary winches is up to 130r/min which ensures the lifting effi ciency
take the lead in industry.
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The use of new hydraulic control variable slewing system ensures more stable starting and
control of the slewing operation and excellent micro-mobility.
Control system
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CAN-bus instrument: CAN-bus instrument with a combined intelligent control electrical
system is used for easy reading of the traveling parameters at any time. The engine fault
warning function is applied to ensure convenient and fast troubleshooting.
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Load moment limiter: The adoption of high intelligent load moment limiter system can
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comprehensively protect lifting operation, ensuring accurate, stable and comfort operation.
Luffi ng system
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Dead-weight luffi ng provides more stable luffi ng operation at low energy loss
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Luffi ng angle: -2°~ 80°.
Telescopic system
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Five-section boom is applied with basic boom length of 10.6m, fully extended boom
length of 40.5m, jib length of 8 m and lifting height of fully extended boom length of 40.5m
respectively. Max. lifting height is 48.5m including jib. It is made of fi ne grain high-strength
steel with U-shaped cross section and with telescopic operation controlled independent by
dual- cylinder rope.
Slewing system
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360° rotation can be achieved with Max. slewing speed of 2.5r/min, providing stable and
reliable operation of the system.
Superstructure
Hoisting system
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The winch adopts the high-pressure automatic variable plunger motor, enabling automatic
switch-over between low load high speed mode and high load low speed mode, and
ensuring highly effi cient operation and stable lifting and lowering of the load.
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One main hook: 360Kg, one auxiliary hook: 90Kg. Wire rope of main winch: left-handed
wire rope 16-35W×7-1960USZ, with length of 200m. Wire rope of auxiliary winch: left-
handed wire rope 16-35W×7-1960USZ, with length of 105m.
Safety system
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Load moment limiter: Load moment limiter calculation system based on lifting load
mechanical model is established using an analytical mechanics method, with rated lifting
accuracy up to ±3% through on-line non-load calibration, providing full protection to lifting
operation. In case of overload operation, system will automatically issue an alarm to provide
safety protection for manipulation.
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Hydraulic system is configured with the balance valve, overflow valve and two-way
hydraulic lock etc. components, thus achieving the stable and reliable operation of the
hydraulic system.
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Main and auxiliary winches are equipped with over roll-out limiter to prevent over rolling-out
of wire rope.
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Boom and jib ends are equipped with height limiters respectively to prevent over-hoisting
of wire rope.
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Boom head is equipped with anemometer and press sensor to indicate the working
condition of whole crane in real-time, giving an alarm and cutting off the dangerous action
automatically.
Counterweight
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Counterweight is 4500kg, no fl exible counterweight.
Superstructure
Chassis
Cab
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Cab is made of new steel structure self-developed by SANY, featuring excellent shock
absorption and tightness, which is configured with swing-out doors at both sides,
pneumatically suspended driver’s seat and passenger seat, foldable sleeping berth,
adjustable steering wheel, large rearview mirror, comfort driver chair having a headrest,
anti-fog fan, air conditioner, stereo radio, and complete control instruments and meters,
providing more comfortable, safe, and humanized operation experience.
Carrier frame
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Designed and manufactured by SANY, anti-torsion box structure is welded by fi ne-grain
high-strength steel plate to provide strong load bearing capacity.
Axles
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Axles 2 and 3 are drive axles and axles 1 is steering axles, axle and wheel differentials are
installed in axles 2 and 3. The use of welding process for axle housing provides stronger
load bearing capacity.
Engine
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Type: Inline six-cylinder, water cooled, supercharged and inter-cooling diesel engine
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Rated power: 213kW(340ps)/2100( r/min)
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Environment-protection: Emission complies with EuroⅢ standard
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Capacity of fuel tank: 300L.
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