New CAT Equipment

317 Hydraulic Excavator

The 317 Hydraulic Excavator boosts productivity on your jobsite. Standard, easy-to-use Cat® technologies, performance upgrades, and low fuel and maintenance costs allow you to move material all day with speed and precision while keeping more money in your pocket.

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    Learn more about the 317 Hydraulic Excavator


    Product Specs


    Net Power - ISO 9249 130 HP
    Engine Model Cat C4.4
    Engine Power - ISO 14396 131 HP
    Bore 4 in
    Stroke 5 in
    Displacement 269 in³

    Hydraulic System

    Main System - Maximum Flow 296 L/min (78 gal/min)
    Maximum Pressure - Equipment 5076 psi
    Maximum Pressure - Travel 5076 psi
    Maximum Pressure - Swing 3741 psi

    Swing Mechanism

    Swing Speed 8.7 r/min
    Maximum Swing Torque 44990 ft·lbf


    Operating Weight 40200 lb

    Service Refill Capacities

    Fuel Tank Capacity 71.6 gal (US)
    Cooling System 7.4 gal (US)
    Engine Oil 4 gal (US)
    Final Drive - Each 1.6 gal (US)
    Hydraulic System - Including Tank 24.8 gal (US)
    Hydraulic Tank 23 gal (US)
    DEF Tank 5.9 gal (US)


    Boom Reach 5.1 m (16'9")
    Stick Reach R2.9 m (9'6")
    Bucket GD 0.76 m³ (0.99 yd³)
    Shipping Height - Top of Cab 9.6 ft
    Handrail Height 9.6 ft
    Shipping Length 28.1 ft
    Tail Swing Radius 8.2 ft
    Counterweight Clearance 3.3 ft
    Ground Clearance 1.4 ft
    Track Length 13 ft
    Length to Center of Rollers 10.4 ft
    Track Gauge 6.5 ft
    Transport Width 8.8 ft

    Working Ranges & Forces

    Maximum Digging Depth 21 ft
    Boom Reach 5.1 m (16'9")
    Stick Reach R2.9 m (9'6")
    Bucket GD 0.76 m³ (0.99 yd³)
    Maximum Reach at Ground Level 29.6 ft
    Maximum Cutting Height 29.1 ft
    Maximum Loading Height 20.6 ft
    Minimum Loading Height 6.5 ft
    Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 20.2 ft
    Maximum Vertical Wall Digging Depth 16.3 ft
    Minimum Working Equipment Radius 9.6 ft
    Bucket Digging Force - ISO 27650 lbf
    Stick Digging Force - ISO 16860 lbf

    Air Conditioning System

    Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 hg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.