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Achieve high productivity and lower operating costs with the Cat 313D Hydraulic Excavator. Unmatched versatility, improved controllability, easy operation and a comfortable, redesigned operator station help make the 313D an industry-leading performer.


Engine Model Cat C4.2 ACERT Cat C4.2 ACERT Less
Flywheel Power 89.9 hp 67.0 kW Less
Gross Power 96.6 hp 72.0 kW Less
SAE J1349 89.9 hp 67.0 kW Less
Bore 4.02 in 102.0 mm Less
Stroke 5.12 in 130.0 mm Less
Displacement 259.35 in3 4.25 L Less
Net Power 89.9 hp 67.0 kW Less
Net Power (SAE J1349) 89.9 hp 67.0 kW Less


Operating Weight 29608.0 lb 13430.0 kg Less
Operating Weight - Standard Undercarriage 29608.0 lb 13430.0 kg Less

Swing Mechanism

Swing Speed 12.4 RPM 12.4 RPM Less
Swing Torque 22828.0 ft-lb 30950.0 N·m Less


Maximum Drawbar Pull 25628.0 lb 114.0 kN Less
Travel Speed 3.4 mph 5.5 km/h Less

Hydraulic System

Main Implement System - Maximum Flow (2x) 33.6 gal/min 127.0 L/min Less
Maximum Pressure - Implements 4424.0 psi 30500.0 kPa Less
Maximum Pressure - Travel 5076.0 psi 35000.0 kPa Less
Maximum Pressure - Swing 3336.0 psi 23000.0 kPa Less
Pilot System - Maximum Flow 5.8 gal/min 21.9 L/min Less
Pilot System - Maximum Pressure 598.0 psi 4120.0 kPa Less
Boom Cylinder - Bore 4.33 in 110.0 mm Less
Boom Cylinder - Stroke 39.96 in 1015.0 mm Less
Stick Cylinder - Bore 4.72 in 120.0 mm Less
Stick Cylinder - Stroke 47.13 in 1197.0 mm Less
Bucket Cylinder - Bore 3.94 in 100.0 mm Less
Bucket Cylinder - Stroke 36.97 in 939.0 mm Less

Service Refill Capacities

Fuel Tank 66.0 gal 250.0 L Less
Cooling System 4.7 gal 17.9 L Less
Engine Oil 5.2 gal 19.5 L Less
Final Drive (each) 0.79 gal 3.0 L Less
Hydraulic System (including tank) 42.8 gal 162.0 L Less
Hydraulic Tank 39.6 gal 150.0 L Less
Swing Drive 0.79 gal 3.0 L Less


Cab/FOGS SAE J1356 FEB88 ISO 10262 SAE J1356 FEB88 ISO 10262 Less

Sound Performance

Performance Performance Performance Less

Operator Station

Enhanced comfort, operation and visibility


Delivering the most work per liter/gallon of fuel consumed


Low effort and precise control for highly efficient performance

Undercarriage and Structures

Strong, stable and easy to maneuver

Front Linkage

Reliable, durable and versatile


More options for more work

Service and Maintenance

Simplified service and maintenance features save you time and money

Complete Customer Support

Cat dealer services help you operate longer with lower costs

313D Standard Equipment

Alternator, 50 amp

Automatic engine speed control

Bolt-on Falling Object Guard System (FOGS) capability

  • Ashtray with cigar lighter
  • Coat hook
  • Beverage holder
  • Economy mode
  • Horn

Language display monitor (full graphic/full color display)
  • Clock
  • Filter/fluid change information
  • Level check for hydraulic oil, engine oil and coolant
  • Warning messages

Product Link

Light, interior

Literature holder

Metal roof with sunshade

Openable front windshield

Storage compartment

Travel control pedals with removable hand levers

Door locks and cap locks with one-key security system

Light, storage box mounted (1)

Mirrors (frame and cab)

Power Train
  • Cat C4.2 engine with ACERT Technology
  • 24-volt electric starter
  • Air intake heater
  • Water separator
  • Water level indicator for water separator

Radial seal air filter

Third fuel filter

  • Idler section track guiding guards
  • Track-type undercarriage with grease lubricated seals

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