320 GX hydraulic excavator

Hydraulic excavators (CAT)

Introducing the 320 GX, our economical model offering all the strength and reliability you expect from a Cat® hydraulic excavator, with easy maintenance and low-cost features designed to give you a faster return on your equipment investment.

Net power – ISO 9249	103.6 kW
Net power – ISO 9249 (DIN)	141 HP (metric units)
Engine power – ISO 14396	108 kW
Engine power – ISO 14396 (DIN)	147 HP (metric units)
Bore	105 mm
Race	127 mm
Engine displacement	4.4 l
Main circuit - Maximum flow rate - Equipment	429 l/min
Maximum pressure – Equipment	35,000 kPa
Maximum pressure – Translation	35,000 kPa
Maximum pressure – Orientation	25,000 kPa
Orientation speed	11.07 rpm
Maximum orientation torque	74 kN·m
Operating weight	20,500 kg
Fuel tank capacity	390 l
Cooling circuit	24.5 l
Engine oil	15 l
Orientation reducer	5.5 liters
Reducer - Each	4.5 liters
Hydraulic circuit – Tank included	218 l
Hydraulic reservoir	115 l
Shipping height – Top of cabin	11.5 feet
Height of handrails	12 feet
Shipping length	9,570 mm
Rear clearance radius	2830 mm
Counterweight dumping height	1040 mm
Ground clearance	18.2 inches
Length of chains	4080 mm
Length of chains to the center of the rollers	3270 mm
Chain track	2200 mm
Transport width	11.95 ft
Maximum excavation depth	6430 mm
Maximum reach at ground level	9580 mm
Maximum cutting height	9290 mm
Maximum loading height	6450 mm
Minimum loading height	93.5 inches
Maximum cutting depth for flat bottoms of 2,440 mm (8 ft)	6250 mm
Maximum excavation depth in vertical wall	5510 mm
Bucket digging force – ISO	136 kN
Arm excavation force – ISO	106 kN

Whether you're digging, trenching, or loading trucks in Peoria, Illinois, or on job sites around the world, Cat® excavators deliver reliable performance, versatility, and fuel efficiency. Available in a variety of sizes and configurations, they are designed for ease of use, long-term durability, and advanced technology that promotes productivity and safety, helping you work efficiently every day.