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Caterpillar
M318 Wheel Excavator
Engine Power – ISO 14396
174 hp
129 kW
Operating Weight Maximum
43980 lb
19950 kg
Maximum Travel Speed
21.7 mile/h
35 km/h
Overview
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.
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Exterior
360° Exterior view. Double click on the image to zoom in on any area of the product.
Interior
360° Interior view. Double click on the image to zoom in on any area of the product.
Features
High Performance
Work in Comfort
Low Maintenance Costs
Simple to Operate
Safety Features
Integrated Cat® Technologies
Sustainability
Details
Specifications
Engine
| Spec | Value |
|---|---|
| Engine Power – ISO 14396 | 174 hp 129 kW |
| Engine Power – ISO 14396 (DIN) | 176 hp (metric) 176 hp (metric) |
| Engine Model | Cat® C4.4 Cat® C4.4 |
| Net Power – ISO 9249 | 171 hp 128 kW |
| Net Power – ISO 9249 (DIN) | 174 hp (metric) 174 hp (metric) |
| Bore | 4.1 in 105 mm |
| Stroke | 5 in 127 mm |
| Displacement | 268.5 in³ 4.4 l |
| Biodiesel Capability | Up to B20¹ Up to B20¹ |
| Emissions | Meets U.S. EPA Tier 4 Final, EU Stage V, and Korea Stage V emission standards. 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. 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) 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. |
Drive
| Spec | Value |
|---|---|
| Maximum Travel Speed | 21.7 mile/h 35 km/h |
Hydraulic System
| Spec | Value |
|---|---|
| Main System – Maximum Flow – Implement | 67 gal/min 254 l/min |
| Maximum Pressure – Implement Circuit – Normal | 5076 psi 35000 kPa |
| Maximum Pressure – Implement Circuit – Heavy Lift | 5366 psi 37000 kPa |
| Maximum Pressure – Implement Circuit – Travel Circuit | 5076 psi 35000 kPa |
Swing Mechanism
| Spec | Value |
|---|---|
| Maximum Swing Speed* | 9.4 r/min 9.4 r/min |
| Maximum Swing Torque | 34739 lbf·ft 47.1 kN·m |
| Note (1) | *For CE-marked machine default value may be set lower. *For CE-marked machine default value may be set lower. |
Machine Weight
| Spec | Value |
|---|---|
| Operating Weight Maximum | 43980 lb 19950 kg |
| Operating Weight Minimum | 37700 lb 17100 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. Typical configurations include 2.5 m (8' 2") medium stick and 3700 kg (8,157 lb) counterweight. 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
| Spec | Value |
|---|---|
| Fuel Tank | 92.5 gal (US) 350 l |
| Diesel Exhaust Fluid (DEF) | 5.3 gal (US) 20 l |
| Cooling System | 8.5 gal (US) 32 l |
| Hydraulic Tank | 31.7 gal (US) 120 l |
| Hydraulic System – Including Tank | 68.7 gal (US) 260 l |
Dimensions
| Spec | Value |
|---|---|
| Boom | Variable Adjustable Boom 5.2 m (17'1") Variable Adjustable Boom 5.2 m (17'1") |
| Stick | 2.5 m (8' 2") 2.5 m (8' 2") |
| Bucket | GD 0.91 m³ (1.19 yd³) GD 0.91 m³ (1.19 yd³) |
| Shipping Height – Top of Cab | 11 ft 3360 mm |
| Shipping Length | 27.4 ft 8360 mm |
| Support Point | 10.1 ft 3090 mm |
| Tail Swing Radius | 7.7 ft 2350 mm |
| Counterweight Clearance | 4.3 ft 1300 mm |
| Ground Clearance | 1.1 ft 325 mm |
| Undercarriage Length | 16.6 ft 5050 mm |
| Wheel Base | 8.9 ft 2700 mm |
Working Ranges and Forces
| Spec | Value |
|---|---|
| Boom | Variable Adjustable Boom 5.2 m (17'1") Variable Adjustable Boom 5.2 m (17'1") |
| Stick | 2.5 m (8' 2") 2.5 m (8' 2") |
| Bucket | GD 0.91 m³ (1.19 yd³) GD 0.91 m³ (1.19 yd³) |
| Maximum Cutting Height | 33.7 ft 10260 mm |
| Maximum Loading Height | 24 ft 7300 mm |
| Maximum Digging Depth | 19.3 ft 5890 mm |
| Maximum Vertical Wall Digging Depth | 15.1 ft 4600 mm |
| Maximum Reach at Ground Line | 30.2 ft 9210 mm |
| Stick Forces (ISO) | 16861 lbf 75 kN |
| Bucket Forces (ISO) | 26752 lbf 119 kN |
| 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"). |
Air Conditioning System
| Spec | Value |
|---|---|
| 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 (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons). |
Sustainability
| Spec | Value |
|---|---|
| Recyclability | 92% 92% |
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
- 52°C (125°F) high-ambient cooling capacity
- Cold start capability -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
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