With our huge inventory of new, used and rental equipment, WesTrac has the right machine for the job.
With our huge inventory of new, used and rental equipment, WesTrac has the right machine for the job.
Keep your operation working around the clock by making WesTrac your partner in parts. With over 75,000 product lines stocked in our warehouses, ready-to-go, we won't let you down.
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.
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 | 129 kW | 174 hp |
Engine Power - ISO 14396 (DIN) | 176 hp (metric) | 176 hp (metric) |
Engine Model | C4.4 | C4.4 |
Net Power - ISO 9249 | 128 kW | 171 hp |
Net Power - ISO 9249 (DIN) | 174 hp (metric) | 174 hp (metric) |
Bore | 105 mm | 4 in |
Displacement | 4.4 l | 285.5 in³ |
Stroke | 127 mm | 5 in |
Biodiesel Capability | Up to B20¹ | Up to B20¹ |
Emissions | Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards. | 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 standard in effect at the time of manufacture. | 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 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) or 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. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. | 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 (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. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. |
Hydraulic System
Main System - Maximum Flow - Implement | 254 l/min | 67 gal/min |
Maximum Pressure - Equipment | 37000 kPa | 5366 psi |
Maximum Pressure - Swing | 35500 kPa | 5149 gal/min |
Maximum Pressure - Travel | 35000 kPa | 5076 gal/min |
Machine Weight
Operating Weight Maximum | 19950 kg | 43980 lb |
Operating Weight Minimum | 17500 kg | 38580 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. | 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 | 32 l | 8.5 gal (US) |
Diesel Exhaust Fluid (DEF) | 20 l | 5.3 gal (US) |
Hydraulic System - Including Tank | 260 l | 68.7 gal (US) |
Hydraulic Tank | 120 l | 31.7 gal (US) |
Final Drive | 2.5 l | 0.7 gal (US) |
Fuel Tank | 350 l | 92.5 gal (US) |
Service Refill
Engine Oil | 11 l | 2.9 gal (US) |
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 | 3360 mm | 11 ft |
Shipping Length | 8470 mm | 27.8 ft |
Counterweight Clearance | 1301 mm | 4.3 ft |
Ground Clearance | 325 mm | 1.1 ft |
Support Point | 3520 mm | 11.5 ft |
Tail Swing Radius | 2350 mm | 7.7 ft |
Wheel Base | 2700 mm | 8.9 ft |
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 | 5890 mm | 19.3 ft |
Stick | 2.5 m (8' 2") | 2.5 m (8' 2") |
Reach at Ground Level | 9210 mm | 30.2 ft |
Vertical Wall Digging Depth | 4600 mm | 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 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) | 119 kN | 26752 lbf |
Stick Forces (ISO) | 75 kN | 16861 lbf |
Cutting Height | 10260 mm | 33.7 ft |
Swing Mechanism
Maximum Swing Speed | 44 kN·m | 32560 ft·lbf |
Swing Speed | 9.4 r/min | 9.4 r/min |
Drive
Maximum Travel Speed | 35 km/h | 21.7 mile/h |
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. |
Sustainability
Recyclability | 92% | 92% |
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 |
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details. |
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 | 129 kW | 174 hp |
Engine Power - ISO 14396 (DIN) | 176 hp (metric) | 176 hp (metric) |
Engine Model | C4.4 | C4.4 |
Net Power - ISO 9249 | 128 kW | 171 hp |
Net Power - ISO 9249 (DIN) | 174 hp (metric) | 174 hp (metric) |
Bore | 105 mm | 4 in |
Displacement | 4.4 l | 285.5 in³ |
Stroke | 127 mm | 5 in |
Biodiesel Capability | Up to B20¹ | Up to B20¹ |
Emissions | Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards. | 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 standard in effect at the time of manufacture. | 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 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) or 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. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. | 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 (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. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. |
Hydraulic System
Main System - Maximum Flow - Implement | 254 l/min | 67 gal/min |
Maximum Pressure - Equipment | 37000 kPa | 5366 psi |
Maximum Pressure - Swing | 35500 kPa | 5149 gal/min |
Maximum Pressure - Travel | 35000 kPa | 5076 gal/min |
Machine Weight
Operating Weight Maximum | 19950 kg | 43980 lb |
Operating Weight Minimum | 17500 kg | 38580 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. | 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 | 32 l | 8.5 gal (US) |
Diesel Exhaust Fluid (DEF) | 20 l | 5.3 gal (US) |
Hydraulic System - Including Tank | 260 l | 68.7 gal (US) |
Hydraulic Tank | 120 l | 31.7 gal (US) |
Final Drive | 2.5 l | 0.7 gal (US) |
Fuel Tank | 350 l | 92.5 gal (US) |
Service Refill
Engine Oil | 11 l | 2.9 gal (US) |
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 | 3360 mm | 11 ft |
Shipping Length | 8470 mm | 27.8 ft |
Counterweight Clearance | 1301 mm | 4.3 ft |
Ground Clearance | 325 mm | 1.1 ft |
Support Point | 3520 mm | 11.5 ft |
Tail Swing Radius | 2350 mm | 7.7 ft |
Wheel Base | 2700 mm | 8.9 ft |
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 | 5890 mm | 19.3 ft |
Stick | 2.5 m (8' 2") | 2.5 m (8' 2") |
Reach at Ground Level | 9210 mm | 30.2 ft |
Vertical Wall Digging Depth | 4600 mm | 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 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) | 119 kN | 26752 lbf |
Stick Forces (ISO) | 75 kN | 16861 lbf |
Cutting Height | 10260 mm | 33.7 ft |
Swing Mechanism
Maximum Swing Speed | 44 kN·m | 32560 ft·lbf |
Swing Speed | 9.4 r/min | 9.4 r/min |
Drive
Maximum Travel Speed | 35 km/h | 21.7 mile/h |
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. |
Sustainability
Recyclability | 92% | 92% |
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 |
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details. |