318D2 L (2017)

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Advanced hydraulic system ensures peak performance with the Cat® 318 D2 L. A new quiet, comfortable cab ensures operators are on their best game through long days on the job site. Easy serviceability and legendary durability complete the package to make this model an all-round industry leader.


Engine Power - ISO 9249 113.0 HP 84.0 kW Less
Engine Model C4.4 C4.4 Less
Engine Power - ISO 14396 125.0 HP 93.0 kW Less
Bore 4.13 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 269.0 in³ 4.4 l Less

Hydraulic System

Main System - Maximum Flow 272 l/min (72 gal/min) 272 l/min (72 gal/min) Less
Maximum Pressure - Equipment 5080.0 psi 35000.0 kPa Less
Maximum Pressure - Swing 3280.0 psi 22600.0 kPa Less

Swing Mechanism

Swing Speed 8.9 r/min 8.9 r/min Less
Maximum Swing Torque 32970.0 ft·lbf 44.7 kN·m Less


Operating Weight 39463.0 lb 17900.0 kg Less

Service Refill Capacities

Fuel Tank Capacity 79.3 gal (US) 300.0 l Less
Cooling System 5.2 gal (US) 19.53 l Less
Engine Oil 4.3 gal (US) 16.0 l Less
Swing Drive 0.8 gal (US) 3.0 l Less
Final Drive - Each 1.6 gal (US) 6.0 l Less
Hydraulic System - Including Tank 26.0 gal (US) 100.0 l Less
Hydraulic Tank 22.0 gal (US) 85.0 l Less


Boom Reach 5.1 m (16'9") Reach 5.1 m (16'9") Less
Stick R2.6 m (8'6") R2.6 m (8'6") Less
Bucket GD .76 m³ (1.0 yd³) GD .76 m³ (1.0 yd³) Less
Shipping Height - Top of Cab 9.92 ft 3030.0 mm Less
Shipping Length 28.0 ft 8540.0 mm Less
Tail Swing Radius 8.17 ft 2500.0 mm Less
Counterweight Clearance 3.25 ft 1000.0 mm Less
Ground Clearance 1.5 ft 460.0 mm Less
Track Length 13.0 ft 3970.0 mm Less
Length to Center of Rollers 10.42 ft 3170.0 mm Less
Track Gauge 6.5 ft 1990.0 mm Less
Transport Width 8.5 ft 2590.0 mm Less

Working Ranges & Forces

Maximum Digging Depth 20.0 ft 6090.0 mm Less
Boom Reach 5.1 m (16'9") Reach 5.1 m (16'9") Less
Stick R2.6 m (8'6") R2.6 m (8'6") Less
Bucket GD .76 m³ (1.0 yd³) GD .76 m³ (1.0 yd³) Less
Maximum Reach at Ground Level 8780.0 ft 28.8 mm Less
Maximum Cutting Height 29.3 ft 8920.0 mm Less
Maximum Loading Height 20.6 ft 6280.0 mm Less
Minimum Loading Height 7.6 ft 2300.0 mm Less
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 19.3 ft 5870.0 mm Less
Maximum Vertical Wall Digging Depth 16.3 ft 4930.0 mm Less
Bucket Digging Force - ISO 25000.0 lbf 111.0 kN Less
Stick Digging Force - ISO 17900.0 lbf 85.0 kN Less


  • A powerful C4.4 electrically controlled engine meets U.S. EPA Tier 3, EU Stage IIIA equivalent and China Nonroad Stage III emission standards.
  • Two-pump hydraulic system pressure delivers terrific digging performance and productivity.
  • Hydraulic cross-sensing system uses two hydraulic pumps under all operating conditions, improving productivity with faster implement speeds and quicker, stronger pivot turns.


  • Economy mode maintains breakout forces and lift capacity at standard power, balancing demands of performance and fuel economy.
  • Boom and stick regeneration circuits save energy during boom-down and stick-in operation.
  • New compact design utilizes shorter tubes and lines to reduce friction and pressure drops, resulting in more efficient use of power.


  • The service door on the right side of the upper structure allows ground-level access to the pump, pilot filter, drain filter, and the engine oil filter.
  • Easily accessible, ground-level service locations allow quick and efficient maintenance.
  • The left service door allows easy access to the engine radiator, oil cooler, air-to-air-aftercooler, primary filter with water separator (if the two are integrated) and secondary fuel filter.
  • The radiator air filter features a double-element construction for superior cleaning efficiency; a warning is displayed on the monitor screen inside the cab when the filter plugs.


  • An adjustable seat and joystick console are designed to meet individual preferences.
  • Low-effort pilot-operated joystick controls are designed to match natural wrist and arm position for maximum comfort and minimum fatigue.
  • The full-color LCD monitor is programmable in 42 languages.
  • The cab shell is attached to frame with viscous rubber mounts to dampen vibrations and sound levels, enhancing operator comfort.


  • Site prep and finishing work are quick and easy with a Cat® grapple, thumb, and hammer.
  • Utility work is fast and flawless with a Cat bucket and compactor.
  • A coupler lets you swap between attachments in seconds without leaving the cab.
  • See the whole money-making attachment line for your machine at www.cat.com/attachments.


  • The modified X‐frame structure provides a long service life.
  • Robot-welded and stress-relieved heavy duty boom and stick are standard.
  • Track shoes, links, rollers, idlers, and final drives are built with high‑tensile-strength steel.
  • Greased track link between pins and bushings increases undercarriage life and reduces noise.


  • Anti-skid plating covering the entire upper structure and storage box prevents slipping during maintenance.
  • Countersunk bolts reduce trip hazards during service and maintenance.
  • The engine radiator fan is enclosed by fine wire mesh, reducing risk of an accident.