CAT 320 C L

Product Overview The Cat 320C L is a 20-ton class hydraulic excavator manufactured by Caterpillar, an American company. The "L" means long undercarriage for better stability. This model is widely used in construction, excavation, road building, and general earthmoving. It remains popular in second-hand markets worldwide. Key Specifications Operating Weight: 21,115 - 23,000 kg Engine Power: 103 kW (138 hp) Bucket Capacity: 0.8 - 1.2 m³ Max Digging Depth: 6,550 mm Max Digging Radius: 9,710 mm Max Dumping Height: 6,770 mm Travel Speed: 5.5 km/h Engine The 320C L is powered by the Cat 3066 T ATAAC diesel engine. This 6.4 liter, 6-cylinder engine delivers 103 kW at 1,800 rpm. The ATAAC system improves combustion efficiency and reduces emissions. The engine is known for durability and fuel efficiency. Hydraulic System The hydraulic system uses a variable displacement piston pump with total flow of 205 L/min. Maximum pressure is 34,300 kPa for equipment and travel, 25,000 kPa for swing. Pilot system flow is 41 L/min at 4,120 kPa. Undercarriage The long undercarriage provides extended track length for better stability. Track length is 4,070 mm. Track gauge is 2,200 mm. Track shoe width is 600 mm standard, with 700 mm or 800 mm optional. Each side has 7 track rollers and 2 carrier rollers. Dimensions Transport Length: 9,390 mm Transport Width: 2,800 mm Transport Height: 3,050 mm Tail Swing Radius: 2,770 mm Ground Clearance: 460 mm Operating Specifications Swing Speed: 11.5 r/min Swing Torque: 61.8 kN·m Max Drawbar Pull: 196 kN Bucket Digging Force: 132 kN Stick Digging Force: 99 kN Gradeability: 35 degrees Capacities Fuel Tank: 284 - 320 L Hydraulic System: 240 L Hydraulic Tank: 120 L Engine Oil: 30 L Cooling System: 24 - 30 L Operator Cab The ROPS certified cab has large glass areas for good visibility. Features include adjustable suspension seat, pilot-operated control levers, digital display showing engine RPM, temperature, fuel level, and service reminders. Safety Features Safety features include hydraulic activation lever, automatic swing parking brake, anti-slip plates on track frames, reverse alarm, and ground-level engine shutoff switch. Maintenance Most service points are accessible from ground level. Features include swing-out oil cooler for easy cleaning, grouped filters for convenient replacement, fuel water separator, and hydraulic track adjusters. Work Ranges Max Digging Depth: 6,550 mm Max Digging Radius: 9,710 mm Max Digging Height: 9,440 mm Max Dumping Height: 6,770 mm Max Vertical Wall Digging Depth: 5,440 mm Applications General construction, road and bridge work, excavation and trenching, utility installation, quarry work, demolition with attachments, material handling, and site preparation. Advantages Reliable 3066T engine. Long undercarriage for stability. Good fuel efficiency. Global Cat dealer network for parts and service. Strong resale value. Summary The Cat 320C L is a reliable 20-ton excavator for contractors worldwide. For second-hand units, inspection reports and working videos are available upon request.