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 Power - ISO 14396:2002 174 hp
Operating Weight Maximum 43980 lb
Maximum Travel Speed 21.7 mile/h
Engine Power - ISO 14396 (DIN) 176 hp (metric)
Biodiesel Capability Up to B20¹
Bore 4in
Displacement 285.5in³
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards.
Engine Model C4.4
Engine Power - ISO 14396 (DIN) 176hp (metric)
Engine Power - ISO 14396:2002 174hp
Net Power - ISO 9249 171hp
Net Power - ISO 9249 (DIN) 174hp (metric)
Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standar
Note (2) ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO
Stroke 5in
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.
Operating Weight Maximum 43980lb
Operating Weight Minimum 38580lb
Maximum Travel Speed 21.7mile/h
Main System - Maximum Flow - Implement 67gal/min
Maximum Pressure - Equipment 5366psi
Maximum Pressure - Swing 5149gal/min
Maximum Pressure - Travel 5076gal/min
Cooling System 8.5gal (US)
Diesel Exhaust Fluid (DEF) 5.3gal (US)
Final Drive 0.7gal (US)
Fuel Tank 92.5gal (US)
Hydraulic System - Including Tank 68.7gal (US)
Hydraulic Tank 31.7gal (US)
Boom 5205 mm (17'1")
Bucket 0.91 m³ GD (1.19 yd³)
Counterweight Clearance 4.3ft
Ground Clearance 1.1ft
Shipping Height - Top of Cab 11ft
Shipping Length 27.8ft
Stick 2.5 m (8' 2")
Support Point 11.5ft
Tail Swing Radius 7.7ft
Wheel Base 8.9ft
Boom Type VA Boom
Bucket 0.91 m³ GD (1.19 yd³)
Bucket Forces (ISO) 26752lbf
Cutting Height 33.7ft
Digging Height 19.3ft
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
Reach at Ground Level 30.2ft
Stick 2.5 m (8' 2")
Stick Forces (ISO) 16861lbf
Vertical Wall Digging Depth 15.1ft
Maximum Swing Speed 32560ft·lbf
Swing Speed 9.4r/min
Engine Oil 2.9gal (US)
Recyclability 92%
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.
Standard and optional equipment may vary. Consult your Cat dealer for details.
ROPS, sound suppression
High-resolution 254 mm (10 in) LCD touchscreen monitor
VisionLink
Remote Flash
Remote Troubleshoot
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
Electric priming pump
LED lights on boom and cab
Roading and indicator lights, front and rear
Maintenance free batteries
Centralized electrical disconnect switch
Automatic swing brake
Auto hydraulic oil warmup
Electronic main control valve
Boom and stick drift reduction valves
Rearview and right-side view cameras
Wide angle mirrors
Ground level engine shutoff switch
Anti-skid plate
Signaling/warning horn
Integrated vehicle health management system
Sampling ports for Scheduled Oil Sampling (S-O-S)
Ground-level and platform-level engine oil dipsticks
Automatic brake/axle lock
All-wheel drive
Standard and optional equipment may vary. Consult your Cat dealer for details.
5100 mm (16'9") One-piece boom
5205 mm (17'1") variable adjustable boom
2200 mm (7'3") stick
2500 mm (8'2") stick
2900 mm (9'6") stick
Deluxe cab
Premium cab
Auxiliary relay
Cat Grade Connectivity
Cat Grade 2D
Cat Grade with Attachment Ready Option (ARO)
Cat Grade 3D dual GNSS
Laser catcher
Grade Assist
Cat Payload
Cat Tilt Rotator (TRS) Integration
LED lights on chassis (left-hand, right-hand) and counterweight
Electrical refueling pump
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
360° visibility
Rotating beacon
Inspection lighting
Automatic lubrication system for implement and swing system
10.00-20 16 PR, dual tires
315/70R22.5, no gap dual tires
445/70R 19.5, single tires
300-80-22.5 dual pneumatic, spacerless tires
3700 kg (8,157 lb) counterweight
4200 kg (9,259 lb) counterweight
