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
174.0 HP
129.0 kW
Engine Model
C4.4
C4.4
Bore
4.0 in
105.0 mm
Displacement
285.5 in³
4.4 l
Stroke
5.0 in
127.0 mm
Note (1)
Meets U.S. EPA Tier 4 Final, EU Stage V, and Korea Tier 4 Final emission standards.
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.
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).
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.
Rated speed 2,200 rpm.
Engine Power - Maximum Gross - ISO 14396 - Metric
131 kW (176 hp) (PS)
131 kW (176 hp) (PS)
Hydraulic System
Main System - Maximum Flow - Implement
67.0 gal/min
254.0 l/min
Maximum Pressure - Equipment
5366.0 psi
37000.0 kPa
Maximum Pressure - Swing
5149.0 gal/min
35500.0 kPa
Maximum Pressure - Travel
5076.0 gal/min
35000.0 kPa
Machine Weight
Operating Weight Maximum
43980.0 lb
19950.0 kg
Operating Weight Minimum
38580.0 lb
17500.0 kg
Note (1)
Operating weight includes full fuel tank, operator, bucket 610 kg (1,340 lb), and dual pneumatic tires. Weight varies depending on configuration.
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.
Typical configurations include 2500 mm (8'2") medium stick and 3700 kg (8,157 lb) counterweight.
Service Refill Capacities
Cooling System
8.5 gal (US)
32.0 l
Diesel Exhaust Fluid (DEF)
5.3 gal (US)
20.0 l
Hydraulic System - Including Tank
68.7 gal (US)
260.0 l
Hydraulic Tank
31.7 gal (US)
120.0 l
Final Drive
0.7 gal (US)
2.5 l
Fuel Tank
92.5 gal (US)
350.0 l
Service Refill
Engine Oil
2.9 gal (US)
11.0 l
Dimensions
Boom
5205 mm (17'1")
5205 mm (17'1")
Bucket
0.91 m³ GD (1.19 yd³)
0.91 m³ GD (1.19 yd³)
Stick
2.5 m (8' 2")
2.5 m (8' 2")
Shipping Height - Top of Cab
11.0 ft
3360.0 mm
Shipping Length
27.8 ft
8470.0 mm
Counterweight Clearance
4.3 ft
1301.0 mm
Ground Clearance
1.1 ft
325.0 mm
Support Point
11.5 ft
3520.0 mm
Tail Swing Radius
7.7 ft
2350.0 mm
Wheel Base
8.9 ft
2700.0 mm
Working Ranges and Forces
Boom Type
VA Boom
VA Boom
Bucket
0.91 m³ GD (1.19 yd³)
0.91 m³ GD (1.19 yd³)
Digging Height
19.3 ft
5890.0 mm
Stick
2.5 m (8' 2")
2.5 m (8' 2")
Reach at Ground Level
30.2 ft
9210.0 mm
Vertical Wall Digging Depth
15.1 ft
4600.0 mm
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 of 1378 mm (4'6").
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 of 1378 mm (4'6").
Bucket Forces (ISO)
26752.0 lbf
119.0 kN
Stick Forces (ISO)
16861.0 lbf
75.0 kN
Cutting Height
33.7 ft
10260.0 mm
Swing Mechanism
Maximum Swing Speed
32560.0 ft·lbf
44.0 kN·m
Swing Speed
9.4 r/min
9.4 r/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.
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
21.7 mile/h
35.0 km/h