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M318 Wheel Excavator

M318 Wheel Excavator

The Cat® M318 Wheel Excavator helps provide top performance with high swing torque, featuring versatility with Cat tiltrotator (TRS) integration and advanced hydraulics. Long service intervals and 100 percent daily ground level check, help save time and money with less maintenance costs. The M318 helps give you the power to work long while keeping money in your pocket.

Engine

Engine Power - ISO 14396

174hp

Engine Power - ISO 14396 (DIN)

176hp (metric)

Engine Model

Cat® C4.4

Net Power - ISO 9249

171hp

Net Power - ISO 9249 (DIN)

174hp (metric)

Bore

4.1in

Stroke

5in

Displacement

268.5in³

Biodiesel Capability

Up to B20¹

Emissions

Meets U.S. EPA Tier 4 Final, EU Stage V, and Korea Stage V emission standards.

Note (1)

Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, Clean Emission Module (CEM) exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested p

Note (2)

¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)*** or 100

Machine Weight

Operating Weight Maximum

43980lb

Operating Weight Minimum

37700lb

Note (1)

Operating weight includes full fuel tank, operator, bucket 610 kg (1,340 lb), and dual pneumatic tires. Weight varies depending on configuration. Typical configurations include 2.5 m (8' 2") medium stick and 3700 kg (8,157 lb) counterweight.

Drive

Maximum Travel Speed

21.7mile/h

Hydraulic System

Main System - Maximum Flow - Implement

67gpm

Maximum Pressure - Implement Circuit - Normal

5076psi

Maximum Pressure - Implement Circuit - Heavy Lift

5366psi

Maximum Pressure - Implement Circuit - Travel Circuit

5076psi

Swing Mechanism

Maximum Swing Speed*

9.4r/min

Maximum Swing Torque

34739lbf·ft

Note (1)

*For CE-marked machine default value may be set lower.

Service Refill Capacities

Fuel Tank

92.5gal (US)

Diesel Exhaust Fluid (DEF)

5.3gal (US)

Cooling System

8.5gal (US)

Hydraulic Tank

31.7gal (US)

Hydraulic System - Including Tank

68.7gal (US)

Dimensions

Boom

Variable Adjustable Boom 5.2 m (17'1")

Stick

2.5 m (8' 2")

Bucket

GD 0.91 m³ (1.19 yd³)

Shipping Height - Top of Cab

11ft

Shipping Length

27.4ft

Support Point

10.1ft

Tail Swing Radius

7.7ft

Counterweight Clearance

4.3ft

Ground Clearance

1.1ft

Undercarriage Length

16.6ft

Wheel Base

8.9ft

Working Ranges and Forces

Boom

Variable Adjustable Boom 5.2 m (17'1")

Stick

2.5 m (8' 2")

Bucket

GD 0.91 m³ (1.19 yd³)

Maximum Cutting Height

33.7ft

Maximum Loading Height

24ft

Maximum Digging Depth

19.3ft

Maximum Vertical Wall Digging Depth

15.1ft

Maximum Reach at Ground Line

30.2ft

Stick Forces (ISO)

16861lbf

Bucket Forces (ISO)

26752lbf

Note (1)

Range values are with dual pneumatic tires (10.00-20). Range values are calculated with a GD bucket (CW) and CW-30 quick coupler with a tip radius of 1484 mm (4'10"). Force values are calculated with heavy lift on, a GD bucket (pin-on), and a tip radius o

Air Conditioning System

Note

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. If equipped with R134a (Global Warming Potential = 1430), the system conta

Sustainability

Recyclability

92%

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Sound-suppressed ROPS cab
    • Keyless push-to-start engine control
    • Height-adjustable console, infinite with no tool
    • High-resolution 254 mm (10 in) LCD touchscreen monitor
  • Cat Technology
    • VisionLink
    • Remote Flash and Remote Troubleshoot
  • Engine
    • Power mode selector
    • One-touch low idle with automatic engine speed control
    • Automatic Engine Idle Shutdown
    • Up to 52°C (125°F) high-ambient cooling capacity
    • Cold start capability down to -18°C (0°F)
    • Double element air filter with integrated pre-cleaner
  • Electrical System
    • Programmable time-delay LED working lights
    • Roading and indicator lights, front and rear
    • Maintenance free batteries
    • Centralized electrical disconnect switch
  • Hydraulic System
    • Automatic hydraulic oil warmup
    • Heavy lift mode
    • Boom, stick, and bucket drift reduction valves
  • Safety And Security
    • Rear and right-side view cameras
    • Wide angle mirrors
    • Lockable disconnect switch
    • Anti-skid plate and countersunk bolts on service platform
    • Signal/warning horn
  • Service And Maintenance
    • Integrated vehicle health management system
    • Scheduled Oil Sampling (S·O·S℠) ports
  • Undercarriage And Structures
    • Automatic brake/axle lock
    • All-wheel drive

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Boom And Sticks
    • 5100 mm (16'9") One-piece boom
    • 5205 mm (17'1") Variable Adjustable boom
    • 2200 mm (7'3") stick (All regions except N Am)
    • 2500 mm (8'2") stick
    • 2900 mm (9'6") stick (All regions except S Korea)
  • Cab
    • Operator Protective Guards (OPG)
  • Cat Technology
    • Cat Grade with 2D
    • Cat Grade with 2D with Attachment Ready Option (ARO)
    • Laser catcher
    • Cat Grade 3D ready
    • Cat Grade Connectivity
    • Cat Grade with Assist
    • Cat Payload
    • Cat Tiltrotator (TRS) integration
  • Electrical System
    • LED lights on chassis (left-hand, right-hand) and counterweight
    • Electrical refueling pump
  • Hydraulic System
    • Boom/stick lowering check valves
    • Bucket cylinder check valves
    • One-slider joysticks
    • Two-slider joysticks
    • Joystick steering
  • Safety And Security
    • 360° visibility
    • Inspection lighting
    • 2D E-fence
    • Cab avoidance
  • Service And Maintenance
    • Automatic lubrication system for implement and swing system
  • Undercarriage And Structures
    • 10.00-20 16 PR, dual tires
    • 315/70R22.5, no gap dual tires (All regions except N Am)
    • 445/70R 19.5, single tires
    • 300-80-22.5 dual pneumatic, spacerless tires (Europe only)
    • 3700 kg (8,157 lb) counterweight (Europe only)
    • 4200 kg (9,259 lb) counterweight

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