- Category: Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: M318D ➔
The Caterpillar M318D is a wheeled excavator in Caterpillar's M Series, designed for roadwork, utility, municipal, and general construction applications. It is powered by a Caterpillar diesel engine and features a hydraulic system optimized for digging, lifting, trenching, and material handling. The M318D typically includes a cab with operator controls, boom and stick configurations, and compatibility with a range of attachments. As a mobile excavator, it offers travel capability between job sites without the need for transport equipment. The Caterpillar M318D is used in applications requiring maneuverability, versatility, and efficient operation on paved or mixed-surface work environments.
Boom/Stick Excavator Option 1
| Max Digging Depth | 21 ft (6 m)
|
| Max Reach Along Ground | 32 ft (10 m)
|
Boom/Stick Mobile Excavator Option 1
| Max Cutting Height | 32 ft (10 m)
|
| Max Digging Depth | 19 ft (6 m)
|
| Max Loading Height | 22 ft (7 m)
|
| Max Reach Along Ground | 30 ft (9 m)
|
| Max Vertical Wall Dig Depth | 11 ft (3 m)
|
| Shipping Height of Unit | 11 ft (3 m)
|
| Shipping Length of Unit | 29 ft (9 m)
|
Boom/Stick Mobile Excavator Option 2
| Max Cutting Height | 34 ft (10 m)
|
| Max Digging Depth | 21 ft (6 m)
|
| Max Loading Height | 24 ft (7 m)
|
| Max Reach Along Ground | 32 ft (10 m)
|
| Max Vertical Wall Dig Depth | 13 ft (4 m)
|
| Shipping Height of Unit | 11 ft (3 m)
|
| Shipping Length of Unit | 29 ft (9 m)
|
Boom/Stick Mobile Excavator Option 3
| Max Cutting Height | 29 ft (9 m)
|
| Max Digging Depth | 19 ft (6 m)
|
| Max Loading Height | 19 ft (6 m)
|
| Max Reach Along Ground | 30 ft (9 m)
|
| Max Vertical Wall Dig Depth | 10 ft (3 m)
|
| Shipping Height of Unit | 11 ft (3 m)
|
| Shipping Length of Unit | 29 ft (9 m)
|
Boom/Stick Mobile Excavator Option 4
| Max Cutting Height | 30 ft (9 m)
|
| Max Digging Depth | 21 ft (6 m)
|
| Max Loading Height | 21 ft (6 m)
|
| Max Reach Along Ground | 32 ft (10 m)
|
| Max Vertical Wall Dig Depth | 12 ft (4 m)
|
| Shipping Height of Unit | 11 ft (3 m)
|
| Shipping Length of Unit | 29 ft (9 m)
|
Bucket
| Bucket Capacities | 2 cu yd (1 cu m)
|
| Maximum Bucket Capacity | 2 cu yd (2 cu m)
|
| Minimum Bucket Capacity | 1 cu yd (1 cu m)
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| Reference Bucket Capacity | 1 cu yd (1 cu m)
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Dimensions
| Ground Clearance | 1 ft (0 m)
|
| Height - Top of Cab | 11 ft (3 m)
|
| Overall Width | 8 in (21 cm)
|
| Overall Width - Outriggers Down | 13 ft (4 m)
|
| Tail Swing Radius | 8 ft (3 m)
|
| Upper Structure Clearance | 4 ft (1 m)
|
| Wheelbase | 9 ft (3 m)
|
DRIVE SYSTEM
| Maximum Travel Speed | 23 mph (37 kph)
|
Engine
| Bore | 4 in (11 cm)
|
| Displacement | 403 cu in (6,604 cu cm)
|
| Engine Model | Cat C6.6 with ACERT Technology
|
| Gross Power | 174 hp (130 kw)
|
| Make | Caterpillar
|
| Maximum Torque - 1,400 rpm | 596 lbs ft (808 nm)
|
| Net Power | 166 hp (124 kw)
|
| Net Torque | 596 lbs ft (808 nm)
|
| Number of Cylinders | 6
|
| Ratings | 1800 rpm
|
| Stroke | 5 in (13 cm)
|
| Torque Measured @ | 1400 rpm
|
Hydraulic System
| Maximum Flow - Auxiliary Circuit - High Pressure | 66 gpm (250 lpm)
|
| Maximum Flow - Auxiliary Circuit - Medium Pressure | 13 gpm (49 lpm)
|
| Maximum Flow - Implement/Travel Circuit | 77 gpm (291 lpm)
|
| Maximum Flow - Swing Mechanism | 30 gpm (114 lpm)
|
| Maximum Pressure - Auxiliary Circuit - High Pressure | 5076 psi
|
| Maximum Pressure - Auxiliary Circuit - Medium Pressure | 2683 psi
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| 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 gal (254 l)
|
| Tank Capacity | 45 gal (170 l)
|
Operating Specifications
| Alternator Supplied Amperage | 75 amps
|
| Cooling System Fluid Capacity | 9 gal (32 l)
|
| Engine Oil Capacity | 4 gal (15 l)
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| Front Diff Fluid Capacity | 3 gal (11 l)
|
| Fuel Capacity | 102 gal (386 l)
|
| Hydraulic Pump Flow Capacity | 77 gpm (291 lpm)
|
| Hydraulic System Fluid Capacity | 71 gal (269 l)
|
| Hydraulic System Relief Valve Pressure | 5076 psi
|
| Max Steering Angle | 35 degrees
|
| Operating Weight | 44,313 lbs (20,100 kg)
|
| Oscillating Axle Angle | 9 degrees
|
| Rear Diff Fluid Capacity | 4 gal (14 l)
|
| Tire Size | 10.00-20 16PR dual
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Service Refill Capacities
| Cooling | 10 gal (36 l)
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| Engine Crankcase | 4 gal (15 l)
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| Final Drive | 1 gal (3 l)
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| Front Steering Axle - Differential | 3 gal (11 l)
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| Fuel Tank | 102 gal (386 l)
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| Powershift Transmission | 1 gal (3 l)
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| Rear Axle - Housing (Differential) | 4 gal (14 l)
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Swing Mechanism
| Swing Speed | 10.5 rpm
|
| Swing Torque | 35,403 lbs ft (47,999 nm)
|
Tires
| Optional | 1) 11.00-20 (dual pneumatic) 2) 18 R 19.5 XF (single pneumatic) 3) 10.00-20 (dual solid rubber)
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| Standard | 1) 10.00-20 (dual pneumatic)
|
Transmission
| Creeper Speed - 1st Gear | 2 mph (3 kph)
|
| Creeper Speed - 2nd Gear | 8 mph (13 kph)
|
| Forward/Reverse - 1st Gear | 5 mph (8 kph)
|
| Forward/Reverse - 2nd Gear | 23 mph (37 kph)
|
| Max Travel Speed | 23 mph (37 kph)
|
| Maximum Gradeability | 60%
|
| Number of Forward Gears | 2
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| Number of Reverse Gears | 2
|
Undercarriage
| Ground Clearance | 1 ft (0 m)
|
| Oscillation Axle Angle | 9 degrees
|
Weights
| Counterweight | 8,810 lbs (3,996 kg)
|
| Dozer Blade | 1,700 lbs (771 kg)
|
| One-Piece Boom - Front and Rear Outriggers | 40,896 lbs (18,550 kg)
|
| One-Piece Boom - Rear Dozer, Front Outriggers | 40,455 lbs (18,350 kg)
|
| Outriggers | 2,270 lbs (1,030 kg)
|
| VA Boom - Front and Rear Outriggers | 42,108 lbs (19,100 kg)
|
| VA Boom - Rear Dozer Only | 39,353 lbs (17,850 kg)
|
| VA Boom - Rear Dozer, Front Outriggers | 41,667 lbs (18,900 kg)
|
Working Ranges
| Maximum Digging Depth | 21 ft (6 m)
|
| Maximum Reach - Ground Level | 32 ft (10 m)
|
