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M318 Wheeled Excavator

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
174 HP
Operating Weight Maximum
43980 lb
Maximum Travel Speed
21.7 mile/h
Engine Power - ISO 14396 (DIN)
176 hp (metric)

Engine

Engine Power - ISO 14396
174HP
Engine Power - ISO 14396 (DIN)
176hp (metric)
Engine Model
C4.4
Net Power - ISO 9249
171HP
Net Power - ISO 9249 (DIN)
174hp (metric)
Bore
4in
Displacement
285.5in³
Stroke
5in
Biodiesel Capability
Up to B20¹
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 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
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.

Drive

Maximum Travel Speed
21.7mile/h

Hydraulic System

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

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

Service Refill

Engine Oil
2.9gal (US)

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.

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

HM4815 Dedicated Bite Limiter Forestry Mulcher

Motor
Variable Torque Hydraulic Piston Motor
Overall Width
77.6 in
Drive Method
Poly Chain Belt

HM4015 Standard Forestry Mulcher

Motor
Variable Torque Hydraulic Piston Motor
Overall Width
74 in
Drive Method
Poly Chain Belt

H120 S Hydraulic Hammer

Impact Energy Class
3500 ft·lbf
Blows per Minute
350-620
Maximum Operating Weight
4101 lb

H115 GC S Hammer

Impact Energy Class
2212 ft-lb
Blows per Minute
450-800
Maximum Operating Weight
2928.2 lb

H110 GC S Hammer

Impact Energy Class
1475 ft·lbf
Blows per Minute
450-650
Minimum Operating Weight
2721 lb

GSH520-600

Capacity
0.75 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open, Closed

GSH520-750

Capacity
1 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open, Closed

GSH420-600-S

Capacity
0.75 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open

GSH420-750-S

Capacity
1 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open

GSH520-500

Capacity
0.65 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open, Closed

GSH420-500-S

Capacity
0.65 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open

G318 WH Demolition & Sorting Grapple

Grapple Area
1.44 yd³
Weight
3569 lb
Machine Class
20-25 Ton Excavators

G318 WH Demolition & Sorting Grapple

Grapple Area
1.05 yd³
Weight
3190 lb
Machine Class
20-25 Ton Excavators

G318 WH Demolition & Sorting Grapple

Grapple Area
1.05 yd³
Weight
3190 lb
Machine Class
20-25 Ton Excavators

G318 Demolition & Sorting Grapple

Grapple Area
0.78 yd³
Weight
2917 lb
Machine Class
18-25 Ton Excavators

G318 Demolition & Sorting Grapple

Grapple Area
0.72 yd³
Weight
2888 lb
Machine Class
18-25 Ton Excavators

G314 Demolition & Sorting Grapple

Grapple Area
0.49 yd³
Weight
2337 lb
Machine Class
12-18 Ton Excavators

G117 315-Linkage Contractors’ Grapple

Machine Class
15-18 Ton Excavators
Weight
2830 lb
Jaw Opening
100.6 in

CTV15-1200

Capacity
1.5 yd³
Operating Weight
3053 lb
Bolt-on Cutting Edge Included
No

CTV15-1000

Capacity
1.25 yd³
Operating Weight
2877 lb
Bolt-on Cutting Edge Included
No

S60 S Type Excavator Coupler: 573-3166

Weight
388 lb
Lifting Hook Capacity
5 ton (US)
Width
13.39 in

S60 S Type Excavator Coupler: 573-3161

Weight
384 lb
Lifting Hook Capacity
5 ton (US)
Width
13.39 in

S60 S Type Excavator Coupler: 573-3168

Weight
324 lb
Lifting Hook Capacity
5 ton (US)
Width
13.39 in

Hydraulic Connecting S Type Coupler HCS65: 590-2380

Machine Class
14-20
Height
15.2 in
Maximum Operating Pressure
5076 psi

Hydraulic Connecting S Type Coupler HCS65: 583-0661

Machine Class
14-20
Height
16.1 in
Maximum Operating Pressure
5076 psi

Hydraulic Connecting S Type Coupler HCS60: 590-2377

Machine Class
12-19
Weight
390 lb
Height
16.5 in

Hydraulic Connecting S Type Coupler HCS60: 590-2376

Machine Class
12-19
Height
15.4 in
Weight
331 lb

Severe Duty Bucket 1200 mm (48 in)

Width
48 in
Capacity
1.19 yd³
Weight
1612 lb

Severe Duty Bucket 1050 mm (42 in)

Width
42 in
Capacity
1 yd³
Weight
1462 lb

Severe Duty Bucket 1050 mm (42 in)

Width
42 in
Capacity
0.92 yd³
Weight
1470 lb

Severe Duty Bucket 900 mm (36 in)

Width
36 in
Capacity
0.81 yd³
Weight
1340 lb

Severe Duty Bucket 600 mm (24 in)

Width
24 in
Capacity
0.46 yd³
Weight
1054 lb

Severe Duty Bucket 750 mm (30 in)

Width
30 in
Capacity
0.64 yd³
Weight
1195 lb

Heavy Duty Bucket 900 mm (36 in)

Width
36 in
Capacity
0.8 yd³
Weight
1327 lb

General Duty Bucket 1200 mm (48 in)

Width
48 in
Capacity
1.19 yd³
Weight
1444 lb

General Duty-Pin Grabber Performance Bucket 900 mm (36 in)

Width
36 in
Capacity
0.75 yd³
Weight
1197 lb

General Duty Bucket 900 mm (36 in)

Width
36 in
Capacity
0.81 yd³
Weight
1202 lb

General Duty Bucket 1050 mm (42 in)

Width
42 in
Capacity
1 yd³
Weight
1307 lb

General Duty Bucket 750 mm (30 in)

Width
30 in
Capacity
0.64 yd³
Weight
1074 lb

General Duty Bucket 600 mm (24 in)

Width
24 in
Capacity
0.46 yd³
Weight
955 lb

General Duty Bucket 600 mm (24 in)

Width
24 in
Capacity
0.43 yd³
Weight
915 lb

PROPLUS Thumb 923 mm (36 in)

Number of Teeth/Tines
5
Stored Height
28.7 in
Overall Width
36.3 in

PROPLUS Thumb 923 mm (36 in)

Number of Teeth/Tines
5
Stored Height
28.1 in
Overall Width
36.3 in

PROPLUS Thumb 757 mm (30 in)

Number of Teeth/Tines
4
Stored Height
28.7 in
Overall Width
29.8 in

PROPLUS Thumb 641 mm (25 in)

Number of Teeth/Tines
4
Stored Height
28.7 in
Overall Width
25.2 in

PROPLUS Thumb 757 mm (30 in)

Number of Teeth/Tines
4
Stored Height
28.1 in
Overall Width
29.8 in

PROPLUS Thumb 641 mm (25 in)

Number of Teeth/Tines
4
Stored Height
28.1 in
Overall Width
25.2 in

PROPLUS Thumb 591 mm (23 in)

Number of Teeth/Tines
3
Stored Height
28.7 in
Overall Width
23.3 in

PROPLUS Thumb 636 mm (25 in)

Number of Teeth/Tines
3
Stored Height
28.1 in
Overall Width
25 in

S3015 Rotating Scrap & Demolition Shear

Weight - Boom Mount
3331 lb
Weight - Stick Mount
3234 lb
Length
105 in

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
Pin-on High Flow / HCS65
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
HCS65 / S65
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
HCS65 / HCS65
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
Pin-on High Flow / HCS65
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
Pin-on / HCS65
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
Pin-on / HCS65
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
Pin-on / HCS60
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
Pin-on / HCS60
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
Pin-on High Flow / HCS60
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
Pin-on High Flow / HCS60
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19 ton Excavators
Weight
1268 lb
Interface Options: Top-Bottom
Pin-on / S60

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
HCS60 / S60
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19
Interface Options: Top-Bottom
HCS60 / HCS60
Rotation Speed
7 seconds, per 1 full rotation

TRS14 Tiltrotator

Machine Class
14-19 ton Excavators
Weight
1268 lb
Interface Options: Top-Bottom
Pin-on / S60

TRS14 Tiltrotator

Machine Class
14-19 ton Excavators
Weight
1190 lb
Interface Options: Top-Bottom
S60 / S60

SL Thumb 545 mm (21 in)

Number of Teeth/Tines
5
Stored Height
20.39 in
Overall Width
21.4 in

SL Thumb 868 mm (34 in)

Number of Teeth/Tines
5
Stored Height
20.4 in
Overall Width
34 in

SL Thumb 715 mm (28 in)

Number of Teeth/Tines
4
Stored Height
19.5 in
Overall Width
28 in

SL Thumb 595 mm (23 in)

Number of Teeth/Tines
4
Stored Height
20.4 in
Overall Width
23 in

SL Thumb 715 mm (28 in)

Number of Teeth/Tines
4
Stored Height
20.4 in
Overall Width
28 in

SL Thumb 595 mm (23 in)

Number of Teeth/Tines
4
Stored Height
19.5 in
Overall Width
23 in

SL Thumb 664 mm (26 in)

Number of Teeth/Tines
4
Stored Height
19.5 in
Overall Width
26 in

SL Thumb 505 mm (20 in)

Number of Teeth/Tines
4
Stored Height
19.5 in
Overall Width
20 in

SL Thumb 664 mm (26 in)

Number of Teeth/Tines
4
Stored Height
18.8 in
Overall Width
26 in

SL Thumb 505 mm (20 in)

Number of Teeth/Tines
4
Stored Height
18.8 in
Overall Width
20 in

SL Thumb 505 mm (20 in)

Number of Teeth/Tines
3
Stored Height
19.5 in
Overall Width
20 in

SL Thumb 345 mm (14 in)

Number of Teeth/Tines
3
Stored Height
19.5 in
Overall Width
14 in

SL Thumb 512 mm (20 in)

Number of Teeth/Tines
3
Stored Height
18.8 in
Overall Width
20 in

SL Thumb 345 mm (14 in)

Number of Teeth/Tines
3
Stored Height
18.8 in
Overall Width
14 in

Specifications

Standard/Optional Features

Attachments