< Back

4 YEARS 0% APR + $5K WORK TOOL CREDIT + 3 YEARS EXTENDED PROTECTION
Learn More
View Product Downloads
Please answer to continue. Select an option to continue. Enter a valid email address.
Yes, I would like to receive future communications from Caterpillar extended enterprise and dealer network

Overview

The D Series incorporates innovations for improved performance and versatility. Increased lifting capacity, improved cycle times and ease of operation lead to increased productivity and lower operating costs.

Engine

Units:
Engine Model Cat® C6.6 with ACERT™ Technology Cat® C6.6 with ACERT™ Technology Less
Net Power 166.0 hp 124.0 kW Less
Gross Power 174.0 hp 130.0 kW Less
Bore 4.13 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 403.0 in3 6.6 L Less
Cylinders 6 6 Less
Maximum Torque at 1,400 rpm 596.0 lb ft 805.0 N·m Less
Net Power - 80/1269/EEC 166.0 hp 124.0 kW Less
Net Power - ISO 9249 166.0 hp 124.0 kW Less
Net power (ISO 9249) at 1,800 rpm 166.0 hp 124.0 kW Less
Ratings 1800.0 RPM 1800.0 RPM Less

Weights

Dozer Blade 1700.0 lb 740.0 kg Less
Outriggers 2270.0 lb 1030.0 kg Less
Counterweight 8810.0 lb 4000.0 kg Less
One-Piece Boom* - Front and Rear Outriggers 40896.0 lb 18550.0 kg Less
One-Piece Boom* - Rear Dozer Only 38250.0 lb 17350.0 kg Less
One-Piece Boom* - Rear Dozer, Front Outriggers 40455.0 lb 18350.0 kg Less
Operating Weight 18 200 to 20 100 kg (40,124 to 44,313 lb) 18 200 to 20 100 kg (40,124 to 44,313 lb) Less
Sticks - Industrial - 3300 mm (9'3") 1146.0 lb 520.0 kg Less
Sticks - Long - 2800 mm (9'3") 1323.0 lb 600.0 kg Less
Sticks - Medium - 2500 mm (8'3") 1279.0 lb 580.0 kg Less
Sticks - Short - 2200 mm (7'3") 1213.0 lb 550.0 kg Less
VA Boom* - Front and Rear Outriggers 42108.0 lb 19100.0 kg Less
VA Boom* - Rear Dozer Only 39353.0 lb 17850.0 kg Less
VA Boom* - Rear Dozer, Front Outriggers 41667.0 lb 18900.0 kg Less

Swing Mechanism

Swing Speed 10.5 RPM 10.5 RPM Less
Swing Torque 35403.0 lb ft 48.0 kN·m Less

Hydraulic System

Maximum Flow - Auxiliary Circuit - High Pressure 66.0 gal/min 250.0 L/min Less
Maximum Flow - Auxiliary Circuit - Medium Pressure 13.0 gal/min 50.0 L/min Less
Maximum Flow - Implement/Travel Circuit 77.0 gal/min 290.0 L/min Less
Maximum Flow - Swing Mechanism 30.0 gal/min 112.0 L/min Less
Maximum Pressure - Auxiliary Circuit - High Pressure 5076.0 psi 350.0 bar Less
Maximum Pressure - Auxiliary Circuit - Medium Pressure 2683.0 psi 185.0 bar Less
Maximum Pressure - Implement Circuit - Heavy Lift 5439.0 psi 375.0 bar Less
Maximum Pressure - Implement Circuit - Normal 5076.0 psi 350.0 bar Less
Maximum Pressure - Swing Mechanism 4496.0 psi 310.0 bar Less
Maximum Pressure - Travel Circuit 5076.0 psi 350.0 bar Less
System 67.0 gal 255.0 L Less
Tank Capacity 45.0 gal 170.0 L Less

Transmission

Drawbar Pull 22300.0 lb 99.0 kN Less
Maximum Gradeability 60% 60% Less
Creeper Speed - 1st Gear 2.0 mph 3.0 km/h Less
Creeper Speed - 2nd Gear 8.0 mph 13.0 km/h Less
Forward/Reverse - 1st Gear 5.0 mph 8.0 km/h Less
Forward/Reverse - 2nd Gear 23.0 mph 37.0 km/h Less

Service Refill Capacities

Cooling 9.5 gal 36.0 L Less
Engine Crankcase 4.0 gal 15.0 L Less
Rear Axle Housing (Differential) 3.7 gal 14.0 L Less
Front Steering Axle (Differential) 2.8 gal 10.5 L Less
Final Drive 0.7 gal 2.5 L Less
Powershift Transmission 0.7 gal 2.5 L Less
Fuel Tank 102.0 gal 385.0 L Less

Tires

Standard 1) 10.00-20 (dual pneumatic) 1) 10.00-20 (dual pneumatic) Less
Optional 1) 11.00-20 (dual pneumatic) 2) 18 R 19.5 XF (single pneumatic) 3) 10.00-20 (dual solid rubber) 1) 11.00-20 (dual pneumatic) 2) 18 R 19.5 XF (single pneumatic) 3) 10.00-20 (dual solid rubber) Less

Undercarriage

Ground Clearance 15.0 in 370.0 mm Less
Maximum Steering Angle 35° 35° Less
Minimum Turning Radius - Standard Axle - End of One-Piece Boom 27.0 ft 8300.0 mm Less
Minimum Turning Radius - Standard Axle - End of VA Boom 23.0 ft 7000.0 mm Less
Minimum Turning Radius - Standard Axle - Outside of Tire 21.0 ft 6400.0 mm Less
Minimum Turning Radius - Wide Axle - End of One-Piece Boom 28.0 ft 8500.0 mm Less
Minimum Turning Radius - Wide Axle - End of VA Boom 23.0 ft 7100.0 mm Less
Minimum Turning Radius - Wide Axle - Outside of Tire 21.0 ft 6500.0 mm Less
Oscillation Axle Angle ±9° ±9° Less

Bucket Specifications

Bucket Capacities 0.38 to 1.26 m3 (0.5 to 1.65 yd3) 0.38 to 1.26 m3 (0.5 to 1.65 yd3) Less

Working Ranges

Maximum Digging Depth 20.87 ft 6360.0 mm Less
Maximum Reach at Ground Level 31.5 ft 9600.0 mm Less

Drive

Maximum Travel Speed 23.0 mph 37.0 km/h Less

Sound Levels

Exterior Sound Exterior Sound Exterior Sound Less

Cab/ROPS/FOGS

Standards Standards Standards Less

Engine

Built for power, reliability, low maintenance, excellent fuel economy and low emissions.


Hydraulics

Load-sensing hydraulic system provides fast cycle times, increased lift capacity and high bucket and stick forces to maximize your productivity in any job.


SmartBoom™

Reduces stress and vibrations transmitted to the machine and provides a more comfortable environment.


Environmentally Responsible Design

The M318D helps build a better world and preserve the fragile environment.


Operator Comfort

The interior layout maximizes operator space, provides exceptional comfort and reduces operator fatigue.


Undercarriage

Undercarriage and axle design provides maximum strength, flexibility and mobility on wheels.


Booms and Sticks

Designed for maximum flexibility to keep production high on all jobs.


Work Tools

A wide variety of Work Tools help optimize machine performance. Purpose designed and built to Caterpillar’s high durability standards.


Serviceability and Complete Customer Support

Simplified and easy maintenance save you time and money. Cat® dealer services help you operate longer with lower costs.


Versatility

A wide variety of optional factory-installed attachments are available to enhance performance and improve job site management.


M318D Standard Equipment

Electrical
  • Alternator, 75 A
  • Lights
  • Main shut-off switch
  • Maintenance free batteries
  • Signal/warning horn

Engine
  • Automatic engine speed control
  • Automatic starting aid
  • Cat C6.6 with ACERT Technology EPA Tier 3 compliant
  • Fuel/water separator with level indicator

Hydraulics
  • Heavy lift mode
  • Load-sensing Plus hydraulic system
  • Manual work modes (economy, power)
  • Separate swing pump
  • Stick regeneration circuit

Operator Station
  • ROPS cab structure compliant with 2006/42/EC and tested according to ISO 12117-2:2008
  • Adjustable armrests
  • Air conditioner, heater and defroster with automatic climate control
  • Ash tray with cigarette lighter (24 volt)
  • Beverage cup/can holder
  • Bolt-on FOGS capability
  • Bottle holder
  • Bottom mounted parallel wiping system that covers the upper and lower windshield glass
  • Camera mounted on counterweight displays through cab monitor
  • Coat hook
  • Floor mat, washable, with storage compartment
  • Fully adjustable mechanical suspension seat
  • Instrument panel and gauges
  • Laminated front windshield
  • Left side console, tiltable, with lock out for all controls
  • Literature compartment behind seat
  • Literature holder in right console
  • Mobile phone holder
  • Parking brake
  • Positive filtered ventilation
  • Power supply, 12V-7A
  • Rear window, emergency exit
  • Retractable seat belt
  • Skylight
  • Sliding door windows
  • Steering column, tiltable
  • Storage area suitable for a lunch box
  • Sunshade for windshield and skylight

Undercarriage
  • Heavy-duty axles, advanced travel motor, adjustable braking force
  • Oscillating front axle with remote greasing
  • Tires, 10.00-20 16 PR, dual
  • Tool boxes (right- and left-hand side) in undercarriage
  • Two-piece drive shaft

Other Equipment
  • Automatic swing brake
  • Counterweight, 4000 kg (8,810 lb)
  • Mirrors, frame and cab
  • Product Link ready
  • Tool box in upperframe, lockable

M318D Optional Equipment

Auxiliary Controls and Lines
  • Auxiliary boom and stick lines
  • Anti-drift valves for bucket, stick, VA boom and tool control/multi-function circuits
  • Basic control circuits:
  • Cat BIO HYDO Advanced HEES™ biodegradable hydraulic oil
  • Generator with valve and priority function
  • Lowering control devices for boom and stick
  • SmartBoom™

Front Linkage
  • Booms
  • Bucket linkage with diverter valve
  • Sticks

Electrical
  • Back-up alarm
  • Heavy-duty maintenance free batteries
  • Refueling pump

Operator Station
  • Adjustable hydraulic sensitivity
  • CD/MP3 Radio (12V) at rear location including speakers and 12V converter
  • Falling objects guard
  • Joystick steering
  • Seat, adjustable high-back
  • Travel speed lock
  • Vandalism guards
  • Visor for rain protection
  • Windshield

Undercarriage
  • Dozer blade, front or rear mounted
  • Outriggers, front and/or rear mounted
  • Spacer rings for tires
  • Wide axles

Other Equipment
  • Auto-lube system (implements and swing gear)
  • Cat Machine Security System
  • Cat Product Link
  • Mirrors heated, frame and cab
  • Ride Control
  • Tires (see specifications)
  • Waste Handling Package

Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

Contact your local dealer
4 YEARS 0% APR + $5K WORK TOOL CREDIT + 3 YEARS EXTENDED PROTECTION

When you combine industry-leading Cat® excavators with work tools that boost your productivity and profits, then back it with extended protection on powertrain and hydraulics, the benefits really add up.

Learn More