320D2 GC

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Overview

The new Cat® 320D2 GC Hydraulic Excavator is engineered for low operating costs, simple routine maintenance, high productivity and long-term durability.

Engine

Units:
Engine Model C4.4 ACERT™ C4.4 ACERT™ Less
Net Flywheel Power 114.0 hp 85.0 kW Less
Bore 4.13 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 269.0 in3 4.4 L Less
Engine Power – ISO 14396 125.0 hp 93.0 kW Less
Net Power – SAE J1349/ISO 9249 114.0 hp 85.0 kW Less
Engine RPM (rating) 2200.0 rpm 2200.0 rpm Less
Emissions The 320D2 GC meets U.S. EPA Tier 3/EU Stage IIIA equivalent and China Nonroad Stage III emission standards. The 320D2 GC meets U.S. EPA Tier 3/EU Stage IIIA equivalent and China Nonroad Stage III emission standards. Less
Note No engine power derating required below 3000 m (9,843 ft) altitude. No engine power derating required below 3000 m (9,843 ft) altitude. Less
Note Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator. Less
Note Maximum engine rpm (travel and front operation) is 1,800 rpm. Maximum engine rpm (travel and front operation) is 1,800 rpm. Less

Weights

Operating Weight 44500.0 lb 20200.0 kg Less
Note R5.7 (18'8") reach boom, 2.9 m (9'6") stick, GD 1.0 m3 (1.3 yd3) bucket and 600 mm (24") triple grouser shoes. R5.7 (18'8") reach boom, 2.9 m (9'6") stick, GD 1.0 m3 (1.3 yd3) bucket and 600 mm (24") triple grouser shoes. Less

Service Refill Capacities

Fuel Tank Capacity 108.3 gal 410.0 L Less
Cooling System 6.6 gal 25.0 L Less
Engine Oil 4.2 gal 16.0 L Less
Swing Drive 2.1 gal 8.0 L Less
Final Drive 2.1 gal 8.0 L Less
Hydraulic System Oil (including tank) 68.7 gal 260.0 L Less
Hydraulic Tank Oil 36.5 gal 138.0 L Less

Swing Mechanism

Swing Speed 11.9 rpm 11.9 rpm Less
Maximum Swing Torque 50154.0 lbf-ft 68.0 kN·m Less

Drive

Maximum Drawbar Pull 46311.0 lbf 206.0 kN Less
Maximum Travel Speed – High 3.6 mph 5.8 km/h Less
Maximum Gradeability 35°/70% 35°/70% Less
Maximum Travel Speed – Low 2.2 mph 3.6 km/h Less

Hydraulic System

Main System – Maximum Flow (total) 113.1 gal/min 428.0 L/min Less
Maximum Pressure 5076.0 psi 35.0 MPa Less
Boom Cylinder – Bore 4.7 in 120.0 mm Less
Boom Cylinder – Stroke 49.6 in 1260.0 mm Less
Maximum Pressure – Swing 3626.0 psi 25.0 MPa Less
Pilot System – Maximum Flow (total) 6.1 gal/min 23.1 L/min Less
Pilot System – Maximum Pressure 566.0 psi 3900.0 kPa Less
Stick Cylinder – Bore 5.5 in 140.0 mm Less
Stick Cylinder – Stroke 59.2 in 1504.0 mm Less
Bucket Cylinder – Bore 4.7 in 120.0 mm Less
Bucket Cylinder – Stroke 43.5 in 1104.0 mm Less

Sound Performance

ISO 6395 (External Sound Power Level) 101.0 dB(A) 101.0 dB(A) Less
ISO 6396 (Interior Sound Pressure Level) 69.0 dB(A) 69.0 dB(A) Less
Note When properly installed and maintained, the cab offered by Caterpillar, when tested with doors and windows closed according to ANSI/SAE J1166 OCT98, meets OSHA and MSHA requirements for operator sound exposure limits in effect at time of manufacture. When properly installed and maintained, the cab offered by Caterpillar, when tested with doors and windows closed according to ANSI/SAE J1166 OCT98, meets OSHA and MSHA requirements for operator sound exposure limits in effect at time of manufacture. Less
Note Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment. Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment. Less

Track

Number of Shoes Each Side 45 pieces 45 pieces Less
Number of Track Rollers Each Side 7 pieces 7 pieces Less
Number of Carrier Rollers Each Side 2 pieces 2 pieces Less

Standards

Brakes SAE J1026/APR90 SAE J1026/APR90 Less
Cab/FOGS SAE J1356 FEB88 ISO 10262 SAE J1356 FEB88 ISO 10262 Less

Performance

  • The fuel system’s robust filtration reduces risk of failure from contaminated fuel.
  • Caterpillar designed and built hydraulic pumps deliver superior performance.
  • The 320D2 GC (U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards) offers up to 17% lower fuel consumption compared to the 320D2 (Tier 2/Stage II equivalent emission standards).
  • Boom and stick regeneration valves reduce fuel consumption.

Durability

  • The modified X‐frame structure provides long life and durability.
  • Robotically welded boom and stick are standard.
  • Greased track link between pins and bushings increases undercarriage life and reduces noise.

Ease of Operation

  • The cab is ergonomically designed with easy-to-operate controls.
  • Multiple seat and joystick adjustment options enhance comfort.
  • Excellent work site visibility from the cab enhances productivity and safety.
  • Low-effort joystick controls reduce operator fatigue.

Maintenance

  • Most service locations can be accessed at ground level.
  • Filters are grouped together to reduce maintenance time.
  • Pressure taps and S·O·SSM ports help maximize uptime.

Safety

  • Hydraulic activation lever safely locks out all hydraulic functions.
  • Anti‐skid plating and countersunk bolts reduce slipping in severe conditions and during routine checks.
  • A full-length firewall separates the pump compartment from the engine.
  • A ground-level fuel cutoff switch shuts down the engine in an emergency.

Technology

  • Integrated Cat technology solutions increase production and minimize operating costs.
  • Product Link™ reports key information from the machine to any location.

Versatility

  • Utility and finishing work are fast and flawless with Cat buckets, thumbs, and compactors.
  • Demolition work is quick and easy with Cat hammers, grapples, shears, and multi-processors.
  • Cat couplers let you swap between attachments in seconds without leaving the cab.
  • See the whole money-making attachment lineup at www.cat.com/attachments.