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Loaders

G-Series Wheel Loaders

521G

  • Bucket Payload 3.9 t
  • Bucket Volume 2.1 m³

521G

The perfect equipment for:
  • Infrastructure
    Infrastructure
  • Recycling
    Recycling
  • Quarrying
    Quarrying
Downloadables:
G-Series Wheel Loaders
G-Series Wheel Loaders
File size 4.29 Mb
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360° Exterior

Specifications

ENGINE
Maker & Model FPT N45
No. of cylinders 4
Displacement l  4.5
Air intake  Turbocharger with air-to-air cooling. No EGR valve is used: only fresh air is taken for combustion and no extra cooling system is needed.
Injection  Common Rail Multiple Injection.
After Treatment System  HI-eSCR 2 (DOC+SCRoF)
Emissions Level  Compliant with EU Stage V
Maximum power kW  106
Imperial hp  142
Metric hp  144
@ Engine speed (ISO 14396) rpm  1800
Maximum Torque Nm  612
@ Engine speed (ISO 14396) rpm  1600
TRANSMISSION
4-speed ZF Powershift  with Intelligent Clutch Cut Off (ICCO)
Forward 1 km/h  6
Forward 2 km/h  11
Forward 3 km/h  22
Forward 4 km/h  36
Reverse 1 km/h  6
Reverse 2 km/h  12
Reverse 3 km/h  23
AXLES
Rear axle oscillation ° 24
Heavy Duty ZF Axles  with open differentials and automatic 100% lock system on the front differential. 100% tractive effort always, no wheel slip, less tire wear.
Standard ZF Axles  with limited slip differentials front and rear 73% tractive effort on slippery ground.
TIRES
Standard tire’s size 17.5R25
BRAKES
Service brake ° Maintenance free, self-adjusting wet 4-wheel disc brakes.
Service brake disc area m²/hub  0.39
Parking brake  With the negative brake all four wheels are automatically stopped when the engine is stopped.
Parking brake disc area cm²  58
HYDRAULICS
Loader control valve  Bosch-Rexroth, closed center, load sensing/flow sharing.
Steering  Steering cylinders actuated by hydraulic orbitrol under priority valve, controlled, in turn, by active load sensing signal.
Loader controls  Pilot with proportional solenoid valves controlled by electro-hydraulic single joystick or single-axis 2/3 levers.
Pump type  Single, variable displacement
Max oil flow l/min  134
@ engine speed rpm 2000
AUXILIARY HYDRAULIC CIRCUIT
Max oil flow l/min 134
Max pressure bar  249-255
FLUIDS CAPACITIES
Fuel tank l  189
DEF (AdBlue®) tank l  44.2
Engine coolant l  22
Engine oil l  12
Hydraulic oil tank l  57
Total hydraulic system oil l  114
Front and rear axles l  22+22
Transmission oil l  19
CAB PROTECTION
Protection against falling objects (FOPS) According to ISO EN 3449 std.
Protection against roll-over (ROPS)  According to ISO EN 13510 std.
NOISE AND VIBRATIONS
Inside the cab – LpA (ISO 6396-2008) dB   68
Outside – LwA (2000/14/EC) dB  102
Vibrations  Operator ‘s seat meets the criteria of ISO 7096:2000. The vibrations transmitted do not exceed 0.5 m/s²
ELECTRICAL SYSTEM
System voltage V 24
Batteries 2 x 12 V
Alternator - capacity A  70

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