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318E Standard Equipment

  • C4.4 diesel engine
  • Biodiesel capable
  • EPA Tier 4 Interim
  • 2300 m (7,500 ft) altitude capability
  • Electric priming pump
  • Automatic engine speed control: - Economy and high power modes
  • Two-speed travel
  • Side-by-side cooling system
  • Radial seal air filter
  • Primary filter with water separator and water separator indicator
  • Secondary filter
  • Screen filter in fuel line
  • Cold weather battery -25° C (-13° F)
  • Jump start receptacle

  • Regeneration circuit for boom and stick
  • Reverse swing damping valve
  • Automatic swing parking brake
  • High-performance hydraulic return filter
  • Capability of installing hp stackable valve and medium and QC valve
  • Capability of installing additional auxiliary pump and circuit
  • Capability of installing boom lowering control device and stick lowering check valve
  • Fine swing control

  • Pressurized operator station with positive filtration
  • Sliding upper door window (left-hand cab door)
  • Glass-breaking safety hammer
  • Removable lower windshield with in cab storage bracket
  • Coat hook
  • Beverage holder
  • Literature holder
  • AM/FM radio
  • Radio with MP3 auxiliary audio port
  • Two 12V stereo speakers
  • Storage shelf suitable for lunch or toolbox
  • Color LCD display with indicators, filter/fluid change, and working hour information
  • Adjustable armrest
  • Height adjustable joystick consoles
  • Neutral lever (lock out) for all controls
  • Travel control pedals with removable hand levers
  • Capability of installing two additional pedals
  • Two power outlets, 10 amp (total)
  • Travel alarm
  • Laminated glass front upper window and tempered other windows
  • Sunscreen

  • 600 mm (24") triple grouser shoes
  • Grease Lubricated Track GLT2, resin seal
  • Towing eye on base frame Swivel guard
  • Center track guiding guard

  • 5.1 m (16'9") reach boom
  • 3.1 m (10'2") stick

  • 3.4 mt (3.8 t)

  • 80 amp alternator
  • Circuit breaker
  • Capability to electrically connect a beacon

  • Working lights, cab mounted with time delay
  • Halogen boom lights (left and right)
  • Time delay function for boom light and cab light
  • Exterior lights

  • Cat one key security system
  • Door locks
  • Cap locks on fuel and hydraulic tanks
  • Lockable external tool/storage box
  • Signaling/warning horn
  • Secondary engine shutoff switch
  • Openable skylight
  • Rearview camera-ready

318E Optional Equipment

  • Quick drains, engine and hydraulic oil

  • Control pattern quick-changer, two way
  • Auxiliary hydraulics
  • Boom and stick lines
  • High-pressure line
  • Medium-pressure line
  • Cat quick coupler line - high-pressure capable
  • Boom lowering and stick lowering control device
  • Cat Bio hydraulic oil

  • Cab hatch emergency exit
  • Seat, high-back air suspension with heater and cooling
  • Seat, high-back air suspension with heater
  • Seat, high-back mechanical suspension
  • Windshield wiper, lower with washer
  • Air pre-filter
  • Left pedal
  • Straight travel pedal
  • Rain protector
  • Cab mirror
  • Ashtray

  • 500 mm (20") triple grouser shoes
  • 700 mm (28") triple grouser shoes
  • Full-length track guiding guard
  • Guard, heavy-duty bottom
  • Segmented (2 piece) track guiding guard

  • Quick coupler
  • Bucket linkage, without lifting eye
  • 2.6 m (8'6") stick

  • HID lights, cab mounted with time delay

  • FOGS, bolt-on
  • Side steel bumper
  • Guard, cab front, mesh
  • Rearview camera

  • Cat Grade Control Depth and Slope
  • Product Link


Since its introduction in the 1990s, the 300 Series family of excavators has become the industry standard for production and performance. The all-new E Series and the 318E continue that trend-setting standard.


Engine Model Cat® C4.4 ACERT™ Cat® C4.4 ACERT™ Less
Flywheel Power 113.0 hp 85.0 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
Gross Power - SAE J1995 120.0 hp 90.0 kW Less
Net Power - SAE J1349 113.0 hp 85.0 kW Less


Operating Weight 41010.0 lb 18600.0 kg Less
Maximum Operating Weight 42340.0 lb 19200.0 kg Less
Maximum Operating Weight** 42340.0 lb 19200.0 kg Less
Minimum Operating Weight 41010.0 lb 18600.0 kg Less
Minimum Operating Weight* 41010.0 lb 18600.0 kg Less

Swing Mechanism

Swing Torque 37390.0 lb ft 50.7 kN·m Less
Swing Speed 8.85 RPM 8.85 RPM Less


Maximum Drawbar Pull 46510.0 lb 206.9 kN Less
Maximum Travel Speed 2.4 mph 3.9 km/h Less

Hydraulic System

Maximum Pressure - Travel 5080.0 psi 35000.0 kPa Less
Maximum Pressure - Swing 3340.0 psi 23000.0 kPa Less
Pilot System - Maximum Pressure 600.0 psi 4120.0 kPa Less
Boom Cylinder - Bore 4.0 in 110.0 mm Less
Boom Cylinder - Stroke 47.0 in 1193.0 mm Less
Stick Cylinder - Bore 5.0 in 130.0 mm Less
Stick Cylinder - Stroke 52.0 in 1331.0 mm Less
Bucket Cylinder - Bore 4.0 in 110.0 mm Less
Bucket Cylinder - Stroke 41.0 in 1039.0 mm Less
Main System - Maximum Flow (Total) 79.0 gal/min 300.0 L/min Less
Maximum Pressure - Equipment (Boom Up) 5080.0 psi 35000.0 kPa Less
Maximum Pressure - Equipment (Other) 4640.0 psi 32000.0 kPa Less
Pilot System - Maximum Flow 26.1 L/min (1,590 in3/min) 26.1 L/min (1,590 in3/min) Less
Swing System - Maximum Flow 40.0 gal/min 150.0 L/min Less

Service Refill Capacities

Cooling System 6.3 gal 24.0 L Less
Final Drive (each) 2.1 gal 8.0 L Less
Hydraulic System (including tank) 32.0 gal 121.0 L Less
Hydraulic Tank 28.0 gal 106.0 L Less
Engine Oil (with filter) 3.6 gal 13.5 L Less
Fuel Tank Capacity 76.0 gal 290.0 L Less
Swing Drive 2.1 gal 8.0 L Less


Operator - ISO 6396 71.0 dB(A) 71.0 dB(A) Less
Spectator - ISO 6395 101.0 dB(A) 101.0 dB(A) Less


Number of Carrier Rollers (each side) 2 pieces 2 pieces Less
Number of Shoes (each side) 45 pieces 45 pieces Less
Number of Track Rollers (each side) 7 pieces 7 pieces Less


You can count on reduced emissions, economical and reliable performance.


You can move dirt, rock, and debris with speed, precision, and efficiency.

Operator Station

Your operators will enjoy the incredibly quiet and comfortable cab.

Structures & Undercarriage

You can take on a variety of tough tasks with this built-to-last machine.

Work Tools

You can dig, hammer, rip, and cut with confidence.

Front Linkage

You’ll experience a long service life even in the harshest of conditions.

Integrated Technologies

You can make your team’s work much easier and more efficient.


You can depend on safe, fast, and easy access.


Several built-in features will help protect your people.

Complete Customer Care

Your Cat dealer will support you like no other.


Your machine is designed to benefit generations ahead.

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