- Category: Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: M318D ➔
The Caterpillar M318D is a wheeled excavator designed for roadwork, utility, municipal, and general construction applications. Part of Caterpillar's M Series, the M318D combines mobility, hydraulic performance, and operator comfort in a machine suited for urban job sites and frequent travel between work areas. It is typically equipped with a diesel engine, advanced hydraulic controls, and a cab configured for visibility and productivity. The M318D supports a range of attachments for digging, trenching, lifting, and material handling. Its wheeled undercarriage provides faster movement on paved surfaces than tracked excavators, making it suitable for versatile, multi-purpose excavation tasks.
Boom/Stick Excavator Option 1
| Max Digging Depth | 20.70 ft (6.31 m)
|
| Max Reach Along Ground | 31.50 ft (9.60 m)
|
Boom/Stick Mobile Excavator Option 1
| Max Cutting Height | 31.90 ft (9.72 m)
|
| Max Digging Depth | 18.90 ft (5.76 m)
|
| Max Loading Height | 22.00 ft (6.71 m)
|
| Max Reach Along Ground | 29.50 ft (8.99 m)
|
| Max Vertical Wall Dig Depth | 10.60 ft (3.23 m)
|
| Shipping Height of Unit | 10.50 ft (3.20 m)
|
| Shipping Length of Unit | 29.20 ft (8.90 m)
|
Boom/Stick Mobile Excavator Option 2
| Max Cutting Height | 33.50 ft (10.21 m)
|
| Max Digging Depth | 20.90 ft (6.37 m)
|
| Max Loading Height | 23.60 ft (7.19 m)
|
| Max Reach Along Ground | 31.50 ft (9.60 m)
|
| Max Vertical Wall Dig Depth | 13.00 ft (3.96 m)
|
| Shipping Height of Unit | 10.90 ft (3.32 m)
|
| Shipping Length of Unit | 29.00 ft (8.84 m)
|
Boom/Stick Mobile Excavator Option 3
| Max Cutting Height | 28.80 ft (8.78 m)
|
| Max Digging Depth | 18.80 ft (5.73 m)
|
| Max Loading Height | 19.40 ft (5.91 m)
|
| Max Reach Along Ground | 29.60 ft (9.02 m)
|
| Max Vertical Wall Dig Depth | 9.50 ft (2.90 m)
|
| Shipping Height of Unit | 10.50 ft (3.20 m)
|
| Shipping Length of Unit | 29.20 ft (8.90 m)
|
Boom/Stick Mobile Excavator Option 4
| Max Cutting Height | 30.10 ft (9.17 m)
|
| Max Digging Depth | 20.70 ft (6.31 m)
|
| Max Loading Height | 20.60 ft (6.28 m)
|
| Max Reach Along Ground | 31.50 ft (9.60 m)
|
| Max Vertical Wall Dig Depth | 11.90 ft (3.63 m)
|
| Shipping Height of Unit | 11.00 ft (3.35 m)
|
| Shipping Length of Unit | 29.40 ft (8.96 m)
|
Bucket
| Bucket Capacities | 1.65 cu yd (1.26 cu m)
|
| Maximum Bucket Capacity | 2.10 cu yd (1.61 cu m)
|
| Minimum Bucket Capacity | 0.80 cu yd (0.61 cu m)
|
| Reference Bucket Capacity | 1.00 cu yd (0.76 cu m)
|
Dimensions
| Ground Clearance | 1.30 ft (0.40 m)
|
| Height - Top of Cab | 10.50 ft (3.20 m)
|
| Overall Width | 8.40 in (21.34 cm)
|
| Overall Width - Outriggers Down | 12.60 ft (3.84 m)
|
| Tail Swing Radius | 8.30 ft (2.53 m)
|
| Upper Structure Clearance | 4.20 ft (1.28 m)
|
| Wheelbase | 8.60 ft (2.62 m)
|
DRIVE SYSTEM
| Maximum Travel Speed | 23.00 mph (37.01 kph)
|
Engine
| Bore | 4.20 in (10.67 cm)
|
| Displacement | 403.00 cu in (6,604.00 cu cm)
|
| Engine Model | Cat C6.6 with ACERT Technology
|
| Gross Power | 174.00 hp (129.75 kw)
|
| Make | Caterpillar
|
| Maximum Torque - 1,400 rpm | 596.00 lbs ft (808.06 nm)
|
| Net Power | 166.00 hp (123.79 kw)
|
| Net Torque | 596.00 lbs ft (808.06 nm)
|
| Number of Cylinders | 6
|
| Ratings | 1800 rpm
|
| Stroke | 5.00 in (12.70 cm)
|
| Torque Measured @ | 1400 rpm
|
Hydraulic System
| Maximum Flow - Auxiliary Circuit - High Pressure | 66.00 gpm (249.81 lpm)
|
| Maximum Flow - Auxiliary Circuit - Medium Pressure | 13.00 gpm (49.21 lpm)
|
| Maximum Flow - Implement/Travel Circuit | 77.00 gpm (291.45 lpm)
|
| Maximum Flow - Swing Mechanism | 30.00 gpm (113.55 lpm)
|
| Maximum Pressure - Auxiliary Circuit - High Pressure | 5076 psi
|
| Maximum Pressure - Auxiliary Circuit - Medium Pressure | 2683 psi
|
| Maximum Pressure - Implement Circuit - Heavy Lift | 5439 psi
|
| Maximum Pressure - Implement Circuit - Normal | 5076 psi
|
| Maximum Pressure - Swing Mechanism | 4496 psi
|
| Maximum Pressure - Travel Circuit | 5076 psi
|
| System | 67.00 gal (253.60 l)
|
| Tank Capacity | 45.00 gal (170.33 l)
|
Operating Specifications
| Alternator Supplied Amperage | 75 amps
|
| Cooling System Fluid Capacity | 8.50 gal (32.17 l)
|
| Engine Oil Capacity | 4.00 gal (15.14 l)
|
| Front Diff Fluid Capacity | 2.80 gal (10.60 l)
|
| Fuel Capacity | 102.00 gal (386.07 l)
|
| Hydraulic Pump Flow Capacity | 77.00 gpm (291.45 lpm)
|
| Hydraulic System Fluid Capacity | 71.00 gal (268.74 l)
|
| Hydraulic System Relief Valve Pressure | 5076 psi
|
| Max Steering Angle | 35 degrees
|
| Operating Weight | 44,313.00 lbs (20,100.06 kg)
|
| Oscillating Axle Angle | 9 degrees
|
| Rear Diff Fluid Capacity | 3.70 gal (14.00 l)
|
| Tire Size | 10.00-20 16PR dual
|
Service Refill Capacities
| Cooling | 9.50 gal (35.96 l)
|
| Engine Crankcase | 4.00 gal (15.14 l)
|
| Final Drive | 0.70 gal (2.65 l)
|
| Front Steering Axle - Differential | 2.80 gal (10.60 l)
|
| Fuel Tank | 102.00 gal (386.07 l)
|
| Powershift Transmission | 0.70 gal (2.65 l)
|
| Rear Axle - Housing (Differential) | 3.70 gal (14.00 l)
|
Swing Mechanism
| Swing Speed | 10.5 rpm
|
| Swing Torque | 35,403.00 lbs ft (47,999.39 nm)
|
Tires
| Optional | 1) 11.00-20 (dual pneumatic) 2) 18 R 19.5 XF (single pneumatic) 3) 10.00-20 (dual solid rubber)
|
| Standard | 1) 10.00-20 (dual pneumatic)
|
Transmission
| Creeper Speed - 1st Gear | 2.00 mph (3.22 kph)
|
| Creeper Speed - 2nd Gear | 8.00 mph (12.87 kph)
|
| Forward/Reverse - 1st Gear | 5.00 mph (8.05 kph)
|
| Forward/Reverse - 2nd Gear | 23.00 mph (37.01 kph)
|
| Max Travel Speed | 23.00 mph (37.01 kph)
|
| Maximum Gradeability | 60%
|
| Number of Forward Gears | 2
|
| Number of Reverse Gears | 2
|
Undercarriage
| Ground Clearance | 1.30 ft (0.40 m)
|
| Oscillation Axle Angle | 9 degrees
|
Weights
| Counterweight | 8,810.00 lbs (3,996.15 kg)
|
| Dozer Blade | 1,700.00 lbs (771.11 kg)
|
| One-Piece Boom - Front and Rear Outriggers | 40,896.00 lbs (18,550.14 kg)
|
| One-Piece Boom - Rear Dozer, Front Outriggers | 40,455.00 lbs (18,350.10 kg)
|
| Outriggers | 2,270.00 lbs (1,029.66 kg)
|
| VA Boom - Front and Rear Outriggers | 42,108.00 lbs (19,099.89 kg)
|
| VA Boom - Rear Dozer Only | 39,353.00 lbs (17,850.24 kg)
|
| VA Boom - Rear Dozer, Front Outriggers | 41,667.00 lbs (18,899.86 kg)
|
Working Ranges
| Maximum Digging Depth | 20.90 ft (6.37 m)
|
| Maximum Reach - Ground Level | 31.50 ft (9.60 m)
|
