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.
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Engine
- Engine Power - ISO 14396
- 174 hp
- Engine Power - ISO 14396 (DIN)
- 176 hp (metric)
- Engine Model
- C4.4
- Net Power - ISO 9249
- 171 hp
- Net Power - ISO 9249 (DIN)
- 174 hp (metric)
- Bore
- 4 in
- Displacement
- 285.5 in³
- Stroke
- 5 in
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2,014 emission standards.
- 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
Machine Weight
- Operating Weight Maximum
- 43,980 lb
- Operating Weight Minimum
- 38,580 lb
- 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 2,500 mm (8'2") medium stick and 3,700 kg (8,157 lb) counterweight.
Drive
- Maximum Travel Speed
- 21.7 mile/h
Hydraulic System
- Main System - Maximum Flow - Implement
- 67 gal/min
- Maximum Pressure - Equipment
- 5,366 psi
- Maximum Pressure - Swing
- 5,149 gal/min
- Maximum Pressure - Travel
- 5,076 gal/min
Service Refill Capacities
- Cooling System
- 8.5 gal (US)
- Diesel Exhaust Fluid (DEF)
- 5.3 gal (US)
- Hydraulic System - Including Tank
- 68.7 gal (US)
- Hydraulic Tank
- 31.7 gal (US)
- Final Drive
- 0.7 gal (US)
- Fuel Tank
- 92.5 gal (US)
Dimensions
- Boom
- 5,205 mm (17'1")
- Bucket
- 0.91 m³ GD (1.19 yd³)
- Stick
- 2.5 m (8' 2")
- Shipping Height - Top of Cab
- 11 ft
- Shipping Length
- 27.8 ft
- Counterweight Clearance
- 4.3 ft
- Ground Clearance
- 1.1 ft
- Support Point
- 11.5 ft
- Tail Swing Radius
- 7.7 ft
- Wheel Base
- 8.9 ft
Working Ranges and Forces
- Boom Type
- VA Boom
- Bucket
- 0.91 m³ GD (1.19 yd³)
- Stick
- 2.5 m (8' 2")
- Digging Height
- 19.3 ft
- Reach at Ground Level
- 30.2 ft
- Vertical Wall Digging Depth
- 15.1 ft
- 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 1,484 mm (4'10"). Force values are calculated with heavy lift on, a GD bucket (pin-on), and a tip radius o
- Bucket Forces (ISO)
- 26,752 lbf
- Stick Forces (ISO)
- 16,861 lbf
- Cutting Height
- 33.7 ft
Swing Mechanism
- Maximum Swing Speed
- 32,560 ft·lbf
- Swing Speed
- 9.4 r/min
Service Refill
- Engine Oil
- 2.9 gal (US)
Air Conditioning System
- Note
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). The system contains 0.85 kg of refrigerant which has a CO2 equivalent of 1.216 metric tonnes.
Sustainability
- Recyclability
- 92%
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
-
- Cat Technology
-
- VisionLink
- Remote Flash
- Remote Troubleshoot
-
- 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
- Electric priming pump
-
- Electrical System
-
- LED lights on boom and cab
- Roading and indicator lights, front and rear
- Maintenance free batteries
- Centralized electrical disconnect switch
-
- Hydraulic System
-
- Automatic swing brake
- Auto hydraulic oil warmup
- Electronic main control valve
- Boom and stick drift reduction valves
-
- Safety And Security
-
- 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
-
- Service And Maintenance
-
- Sampling ports for Scheduled Oil Sampling (S-O-S)
- Ground-level and platform-level engine oil dipsticks
-
- 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
- 2500 mm (8'2") stick
- 2900 mm (9'6") stick
-
- Cab
-
- Deluxe cab
- Premium cab
- Auxiliary relay
-
- Cat Technology
-
- 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
-
- Electrical System
-
- LED lights on chassis (left-hand, right-hand) and counterweight
- Electrical refueling pump
-
- 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
-
- Safety And Security
-
- 360° visibility
- Rotating beacon
- Inspection lighting
-
- 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
- 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
Specifications
Engine
- Engine Power - ISO 14396
- 174 hp
- Engine Power - ISO 14396 (DIN)
- 176 hp (metric)
- Engine Model
- C4.4
- Net Power - ISO 9249
- 171 hp
- Net Power - ISO 9249 (DIN)
- 174 hp (metric)
- Bore
- 4 in
- Displacement
- 285.5 in³
- Stroke
- 5 in
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2,014 emission standards.
- 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
Machine Weight
- Operating Weight Maximum
- 43,980 lb
- Operating Weight Minimum
- 38,580 lb
- 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 2,500 mm (8'2") medium stick and 3,700 kg (8,157 lb) counterweight.
Drive
- Maximum Travel Speed
- 21.7 mile/h
Hydraulic System
- Main System - Maximum Flow - Implement
- 67 gal/min
- Maximum Pressure - Equipment
- 5,366 psi
- Maximum Pressure - Swing
- 5,149 gal/min
- Maximum Pressure - Travel
- 5,076 gal/min
Service Refill Capacities
- Cooling System
- 8.5 gal (US)
- Diesel Exhaust Fluid (DEF)
- 5.3 gal (US)
- Hydraulic System - Including Tank
- 68.7 gal (US)
- Hydraulic Tank
- 31.7 gal (US)
- Final Drive
- 0.7 gal (US)
- Fuel Tank
- 92.5 gal (US)
Dimensions
- Boom
- 5,205 mm (17'1")
- Bucket
- 0.91 m³ GD (1.19 yd³)
- Stick
- 2.5 m (8' 2")
- Shipping Height - Top of Cab
- 11 ft
- Shipping Length
- 27.8 ft
- Counterweight Clearance
- 4.3 ft
- Ground Clearance
- 1.1 ft
- Support Point
- 11.5 ft
- Tail Swing Radius
- 7.7 ft
- Wheel Base
- 8.9 ft
Working Ranges and Forces
- Boom Type
- VA Boom
- Bucket
- 0.91 m³ GD (1.19 yd³)
- Stick
- 2.5 m (8' 2")
- Digging Height
- 19.3 ft
- Reach at Ground Level
- 30.2 ft
- Vertical Wall Digging Depth
- 15.1 ft
- 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 1,484 mm (4'10"). Force values are calculated with heavy lift on, a GD bucket (pin-on), and a tip radius o
- Bucket Forces (ISO)
- 26,752 lbf
- Stick Forces (ISO)
- 16,861 lbf
- Cutting Height
- 33.7 ft
Swing Mechanism
- Maximum Swing Speed
- 32,560 ft·lbf
- Swing Speed
- 9.4 r/min
Service Refill
- Engine Oil
- 2.9 gal (US)
Air Conditioning System
- Note
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). The system contains 0.85 kg of refrigerant which has a CO2 equivalent of 1.216 metric tonnes.
Sustainability
- Recyclability
- 92%
Standard/Optional Features
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
-
- Cat Technology
-
- VisionLink
- Remote Flash
- Remote Troubleshoot
-
- 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
- Electric priming pump
-
- Electrical System
-
- LED lights on boom and cab
- Roading and indicator lights, front and rear
- Maintenance free batteries
- Centralized electrical disconnect switch
-
- Hydraulic System
-
- Automatic swing brake
- Auto hydraulic oil warmup
- Electronic main control valve
- Boom and stick drift reduction valves
-
- Safety And Security
-
- 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
-
- Service And Maintenance
-
- Sampling ports for Scheduled Oil Sampling (S-O-S)
- Ground-level and platform-level engine oil dipsticks
-
- 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
- 2500 mm (8'2") stick
- 2900 mm (9'6") stick
-
- Cab
-
- Deluxe cab
- Premium cab
- Auxiliary relay
-
- Cat Technology
-
- 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
-
- Electrical System
-
- LED lights on chassis (left-hand, right-hand) and counterweight
- Electrical refueling pump
-
- 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
-
- Safety And Security
-
- 360° visibility
- Rotating beacon
- Inspection lighting
-
- 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
- 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