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M318 Wheel Excavator

Engine Power - ISO 14396

174 hp

Operating Weight Maximum

43,980 lb

Maximum Travel Speed

21.7 mile/h

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SPECIFICATIONS

The Cat® M318 Wheel Excavator helps provide top performance with high swing torque, featuring versatility with Cat tiltrotator (TRS) integration and advanced hydraulics. Long service intervals and 100 percent daily ground level check, help save time and money with less maintenance costs. The M318 helps give you the power to work long while keeping money in your pocket.

FULL SPECIFICATIONS

Air Conditioning System

Note

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. If equipped with R134a (Global Warming Potential = 1430), the system contains 1.0 kg (2.2 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons). If equipped with R1234yf (Global Warming Potential = 0.5), the system contains 0.8 kg (1.8 lb) of refrigerant which has a CO2 equivalent of 0.0004 metric tonnes (0.0004 tons).

Dimensions

Boom

Variable Adjustable Boom 5.2 m (17'1")

Stick

2.5 m (8' 2")

Bucket

GD 0.91 m³ (1.19 yd³)

Shipping Height - Top of Cab

11 ft

Shipping Length

27.4 ft

Support Point

10.1 ft

Tail Swing Radius

7.7 ft

Counterweight Clearance

4.3 ft

Ground Clearance

1.1 ft

Undercarriage Length

16.6 ft

Wheel Base

8.9 ft

Drive

Maximum Travel Speed

21.7 mile/h

Engine

Engine Power - ISO 14396

174 hp

Engine Power - ISO 14396 (DIN)

176 hp (metric)

Engine Model

Cat® C4.4

Net Power - ISO 9249

171 hp

Net Power - ISO 9249 (DIN)

174 hp (metric)

Bore

4.1 in

Stroke

5 in

Displacement

268.5 in³

Biodiesel Capability

Up to B20¹

Emissions

Meets U.S. EPA Tier 4 Final, EU Stage V, and Korea Stage V emission standards.

Note (1)

Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, Clean Emission Module (CEM) exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.

Note (2)

¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)*** or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. ***Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).

Hydraulic System

Main System - Maximum Flow - Implement

67 gpm

Maximum Pressure - Implement Circuit - Normal

5,076 psi

Maximum Pressure - Implement Circuit - Heavy Lift

5,366 psi

Maximum Pressure - Implement Circuit - Travel Circuit

5,076 psi

Machine Weight

Operating Weight Maximum

43,980 lb

Operating Weight Minimum

37,700 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. Typical configurations include 2.5 m (8' 2") medium stick and 3700 kg (8,157 lb) counterweight.

Service Refill Capacities

Fuel Tank

92.5 gal (US)

Diesel Exhaust Fluid (DEF)

5.3 gal (US)

Cooling System

8.5 gal (US)

Hydraulic Tank

31.7 gal (US)

Hydraulic System - Including Tank

68.7 gal (US)

Sustainability

Recyclability

92%

Swing Mechanism

Maximum Swing Speed*

9.4 r/min

Maximum Swing Torque

34,739 lbf·ft

Note (1)

*For CE-marked machine default value may be set lower.

Working Ranges and Forces

Boom

Variable Adjustable Boom 5.2 m (17'1")

Stick

2.5 m (8' 2")

Bucket

GD 0.91 m³ (1.19 yd³)

Maximum Cutting Height

33.7 ft

Maximum Loading Height

24 ft

Maximum Digging Depth

19.3 ft

Maximum Vertical Wall Digging Depth

15.1 ft

Maximum Reach at Ground Line

30.2 ft

Stick Forces (ISO)

16,861 lbf

Bucket Forces (ISO)

26,752 lbf

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").

STANDARD EQUIPMENT

NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
CAB
- Sound-suppressed ROPS cab
- Keyless push-to-start engine control
- Height-adjustable console, infinite with no tool
- High-resolution 254 mm (10 in) LCD touchscreen monitor
CAT TECHNOLOGY
- VisionLink™
- Remote Flash and Remote Troubleshoot
ENGINE
- Power mode selector
- One-touch low idle with automatic engine speed control
- Automatic Engine Idle Shutdown
- Up to 52°C (125°F) high-ambient cooling capacity
- Cold start capability down to -18°C (0°F)
- Double element air filter with integrated pre-cleaner
ELECTRICAL SYSTEM
- Programmable time-delay LED working lights
- Roading and indicator lights, front and rear
- Maintenance free batteries
- Centralized electrical disconnect switch
HYDRAULIC SYSTEM
- Automatic hydraulic oil warmup
- Heavy lift mode
- Boom, stick, and bucket drift reduction valves
SAFETY AND SECURITY
- Rear and right-side view cameras
- Wide angle mirrors
- Lockable disconnect switch
- Anti-skid plate and countersunk bolts on service platform
- Signal/warning horn
SERVICE AND MAINTENANCE
- Integrated vehicle health management system
- Scheduled Oil Sampling (S·O·S℠) ports
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 (All regions except N Am)
- 2500 mm (8'2") stick
- 2900 mm (9'6") stick (All regions except S Korea)
CAB
- Operator Protective Guards (OPG)
CAT TECHNOLOGY
- Cat Grade with 2D
- Cat Grade with 2D with Attachment Ready Option (ARO)
- Laser catcher
- Cat Grade 3D ready
- Cat Grade Connectivity
- Cat Grade with Assist
- Cat Payload
- Cat Tiltrotator (TRS) integration
ELECTRICAL SYSTEM
- LED lights on chassis (left-hand, right-hand) and counterweight
- Electrical refueling pump
HYDRAULIC SYSTEM
- Boom/stick lowering check valves
- Bucket cylinder check valves
- One-slider joysticks
- Two-slider joysticks
- Joystick steering
SAFETY AND SECURITY
- 360° visibility
- Inspection lighting
- 2D E-fence
- Cab avoidance
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 (All regions except N Am)
- 445/70R 19.5, single tires
- 300-80-22.5 dual pneumatic, spacerless tires (Europe only)
- 3700 kg (8,157 lb) counterweight (Europe only)
- 4200 kg (9,259 lb) counterweight