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Excavators

M318 Wheeled Excavator

Engine Power - ISO 14396 174 HP
Engine Model C4.4
Bore 4 in
Displacement 285.5 in³

The Cat® M318 Wheeled Excavator provides top performance with 14 percent more swing torque and features unmatched versatility with full tiltrotator integration and advanced hydraulics. Save time and money with up to 10 percent overall savings in maintenance costs, longer service intervals, and 100 percent daily ground level maintenance. The M318 gives you the power to work longer while keeping money in your pocket.

Engine

Engine Power - ISO 14396
174HP
Engine Model
C4.4
Bore
4in
Displacement
285.5in³
Stroke
5in
Note (1)
Meets U.S. EPA Tier 4 Final, EU Stage V, and Korea Tier 4 Final emission standards.
Note (2)
Net power advertised is the power available at the flywheel when engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan running at intermediate speed.
Note (3)
Recommended for use up to 3000 m (9,843 ft) altitude with engine power derate above 3000 m (9,843 ft).
Note (4)
Rated speed 2,200 rpm.
Engine Power - Maximum Gross - ISO 14396 - Metric
131 kW (176 hp) (PS)

Hydraulic System

Main System - Maximum Flow - Implement
67gal/min
Maximum Pressure - Equipment
5366psi
Maximum Pressure - Swing
5149gal/min
Maximum Pressure - Travel
5076gal/min

Machine Weight

Operating Weight Maximum
43980lb
Operating Weight Minimum
38580lb
Note (1)
Operating weight includes full fuel tank, operator, bucket 610 kg (1,340 lb), and dual pneumatic tires. Weight varies depending on configuration.
Note (2)
Typical configurations include 2500 mm (8'2") medium stick and 3700 kg (8,157 lb) counterweight.

Service Refill Capacities

Cooling System
8.5gal (US)
Diesel Exhaust Fluid (DEF)
5.3gal (US)
Hydraulic System - Including Tank
68.7gal (US)
Hydraulic Tank
31.7gal (US)
Final Drive
0.7gal (US)
Fuel Tank
92.5gal (US)

Dimensions

Boom
5205 mm (17'1")
Bucket
0.91 m³ GD (1.19 yd³)
Stick
2.5 m (8' 2")
Shipping Height - Top of Cab
11ft
Shipping Length
27.8ft
Counterweight Clearance
4.3ft
Ground Clearance
1.1ft
Support Point
11.5ft
Tail Swing Radius
7.7ft
Wheel Base
8.9ft

Working Ranges and Forces

Boom Type
VA Boom
Bucket
0.91 m³ GD (1.19 yd³)
Digging Height
19.3ft
Stick
2.5 m (8' 2")
Reach at Ground Level
30.2ft
Vertical Wall Digging Depth
15.1ft
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
Bucket Forces (ISO)
26752lbf
Stick Forces (ISO)
16861lbf
Cutting Height
33.7ft

Swing Mechanism

Maximum Swing Speed
32560ft·lbf
Swing Speed
9.4r/min

Air Conditioning System

Note
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg of refrigerant which has a CO2 equivalent of 1.216 metric tonnes.

Drive

Maximum Travel Speed
21.7mile/h

Service Refill

Engine Oil
2.9gal (US)

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • ROPS, sound suppression
    • High-resolution 254 mm (10 in) LCD touchscreen monitor
    • Product Link
    • Remote flash/troubleshoot capability
  • Engine
    • Power mode selector
    • One-touch low idle with auto engine speed control
    • Auto Engine Idle Shutdown
    • 52° C (125° F) high-ambient cooling capacity
    • Cold start capability -18° C (0° F)
    • Double element air filter with integrated precleaner
    • Biodiesel capability up to B20
    • Electric priming pump
  • Hydraulic System
    • Automatic swing brake
    • Auto hydraulic oil warmup
    • Electronic main control valve
    • Boom and stick drift reduction valves
  • Undercarriage And Structures
    • Automatic brake/axle lock
    • All-wheel drive
  • Electrical System
    • LED lights on boom and cab
    • Roading and indicator lights, front and rear
    • Maintenance free batteries
    • Centralized electrical disconnect switch
  • Service And Maintenance
    • Sampling ports for Scheduled Oil Sampling (S-O-S)
    • Ground-level and platform-level engine oil dipsticks
  • Safety And Security
    • Rearview and right-side view cameras
    • Wide angle mirrors
    • Ground level engine shutoff switch
    • Anti-skid plate
    • Signaling/warning horn

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Deluxe cab
    • Premium cab
  • Hydraulic System
    • Boom/stick lowering check valves
    • SmartBoom
    • Ride control
    • Cat TRS support
    • Joystick steering
    • Slider joysticks (2 types)
    • Combined flow/high-pressure auxiliary circuit
    • Quick coupler circuit
  • Boom And Sticks
    • 5205 mm (17'1") variable adjustable boom
    • 2200 mm (7'3") stick
    • 2500 mm (8'2") stick
    • 2900 mm (9'6") stick
    • 5100 mm (16'9") One-piece boom
  • Undercarriage And Structures
    • 10.00-20 16 PR, dual tires
    • 315/70R22.5, no gap dual tires
    • 445/70R 19.5, single tires
    • 3700 kg (8,157 lb) counterweight
    • 4200 kg (9,259 lb) counterweight
  • Electrical System
    • LED lights on chassis (left-hand, right-hand) and counterweight
    • Electrical refueling pump
  • Service And Maintenance
    • Automatic lubrication system for implement and swing system
  • Safety And Security
    • 360° visibility
    • Rotating beacon