M320

M320
Caterpillar
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The Cat® M320 Wheel Excavator helps provide top performance with high swing torque to get the job done fast. With low maintenance costs, long service intervals, and 100 percent daily ground level check, the M320 helps save you time and money. A cab made for operator comfort helps keep you working quickly and efficiently.
The Cat® M320 Wheel Excavator helps provide top performance with high swing torque to get the job done fast. With low maintenance costs, long service intervals, and 100 percent daily ground level check, the M320 helps save you time and money. A cab made for operator comfort helps keep you working quickly and efficiently.

Brochures and Spec Sheets

Gallery

M320

Specifications

Specification Value Unit
Engine Power - ISO 14396 174 hp
Engine Power - ISO 14396 (DIN) 176 hp (metric)
Engine Model
Net Power - ISO 9249 171 hp
Net Power - ISO 9249 (DIN) 174 hp (metric)
Bore 4.1 in
Stroke 5.3 in
Displacement 268.5 in³
Biodiesel Capability
Emissions
Note (1)
Note (2)
Maximum Travel Speed 21.7 mile/h
Main System - Maximum Flow - Implement 81 gpm
Maximum Pressure - Implement Circuit - Normal 5076 psi
Maximum Pressure - Implement Circuit - Heavy Lift 5366 psi
Maximum Pressure - Implement Circuit - Travel Circuit 5076 psi
Maximum Swing Speed* 9.2 r/min
Maximum Swing Torque 38,722 lbf·ft
Note (1)
Operating Weight Maximum 46740 lb
Operating Weight Minimum 41450 lb
Note (1)
Fuel Tank 124.2 gal (US)
Diesel Exhaust Fluid (DEF) 7.9 gal (US)
Cooling System 8.4 gal (US)
Hydraulic Tank 40.9 gal (US)
Hydraulic System - Including Tank 71.3 gal (US)
Boom
Stick
Bucket
Shipping Height - Top of Cab 11.1 ft
Shipping Length 29.3 ft
Support Point 11.7 ft
Tail Swing Radius 8.5 ft
Counterweight Clearance 4.3 ft
Ground Clearance 1.4 ft
Undercarriage Length 16.6 ft
Wheel Base 8.9 ft
Boom
Stick
Bucket
Maximum Cutting Height 32.6 ft
Maximum Loading Height 22.8 ft
Maximum Digging Depth 19.8 ft
Maximum Vertical Wall Digging Depth 13.9 ft
Maximum Reach at Ground Line 30.5 ft
Stick Forces (ISO) 20682 lbf
Bucket Forces (ISO) 30799 lbf
Note (1)
Note

Standard Equipment

  • NOTE
  • CAB
  • CAT TECHNOLOGY
  • ELECTRICAL SYSTEM
  • ENGINE
  • HYDRAULIC SYSTEM
  • SAFETY AND SECURITY
  • SERVICE AND MAINTENANCE
  • UNDERCARRIAGE AND STRUCTURES

Optional Equipment

  • NOTE
  • BOOM AND STICKS
  • CAB
  • CAT TECHNOLOGY
  • ELECTRICAL SYSTEM
  • HYDRAULIC SYSTEM
  • SAFETY AND SECURITY
  • SERVICE AND MAINTENANCE
  • UNDERCARRIAGE AND STRUCTURES