M320

Hydraulic excavators (CAT)

Engine power – ISO 14396	129
Engine power – ISO 14396 (DIN)	176
Net power – ISO 9249	128
Net power – ISO 9249 (DIN)	174
Bore	105
Race	127
Engine displacement	4.4
Maximum travel speed	35
Main circuit - Maximum flow rate - Equipment	429
Maximum pressure - Equipment circuit - Normal	35000
Maximum pressure - Equipment circuit - Heavy load lifting	37000
Maximum pressure - Equipment circuit - Travel circuit	35000
Maximum orientation speed	11
Maximum orientation torque	62
Maximum operating weight	21500
Minimum operating weight	20000
Fuel tank	338
Cooling circuit	29
Hydraulic reservoir	151
Hydraulic circuit – Tank included	270
Shipping height – Top of cabin	3355
Shipping length	9600
Support point	2860
Rear clearance radius	2817
Counterweight dumping height	1316
Ground clearance	325
Length of the undercarriage	5160
Wheelbase	2800
Excavation height	9740
Drain height	6780
Maximum excavation depth	6430
Maximum excavation depth in vertical wall	5413
Maximum reach at ground level	9880
Arm strength (ISO)	102
Bucket forces (ISO)	120

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.