315 Hydraulic Excavator

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The Cat® 315 excavator offers superior performance in a compact design. Standard, easy-to-use Cat technologies boost operator efficiencies and improve jobsite productivity while a large, ergonomic cab provides a comfortable working environment. Combined with simplified maintenance points, the 315 keeps you working, quickly and efficiently.

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Bore 4in
Displacement 220in³
Engine Model Cat C3.6
Engine Power - ISO 14396 110HP
Net Power - ISO 9249 108HP
Stroke 5in
Operating Weight 34000lb
Boom Reach 4.65 m (15'3")
Bucket GD 0.53 m³ (0.69 yd³)
Bucket Digging Force - ISO 22180lbf
Maximum Cutting Height 31.7ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 19ft
Maximum Digging Depth 19.6ft
Maximum Loading Height 23.6ft
Maximum Reach at Ground Level 28.5ft
Maximum Vertical Wall Digging Depth 16.9ft
Minimum Loading Height 6.8ft
Minimum Working Equipment Radius 7.3ft
Stick Reach R3.0 m (9'10")
Stick Digging Force - ISO 13330lbf
Main System - Maximum Flow 276 l/min (73 gal/min)
Maximum Pressure - Equipment 5075psi
Maximum Pressure - Swing 3770psi
Maximum Pressure - Travel 5075psi
Maximum Swing Torque 25815ft·lbf
Swing Speed 12r/min
Cooling System 4gal (US)
DEF Tank 6gal (US)
Engine Oil 2gal (US)
Final Drive - Each 1gal (US)
Fuel Tank Capacity 49gal (US)
Hydraulic System - Including Tank 22.5gal (US)
Hydraulic Tank 19gal (US)
Boom Reach 4.65 m (15'3")
Bucket GD 0.53 m³ (0.69 yd³)
Counterweight Clearance 2.8ft
Ground Clearance 1.4ft
Handrail Height 9.3ft
Length to Center of Rollers 9.9ft
Shipping Height - Top of Cab 9.2ft
Shipping Length 24.7ft
Shipping Length - with Blade 26.5ft
Stick Reach R3.0 m (9'10")
Tail Swing Radius 5.1ft
Track Gauge 6.5ft
Track Length 12.3ft
Transport Width 8.1ft
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.8 hg of refrigerant which has a CO2 equivalent of 1.144 metric tonnes.
Recyclability 95%

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Rollover Protective Structure (ROPS)
  • Cat Technologies
    • Cat Product Link
    • Remote Flash
    • Remote Troubleshoot
    • Cat Grade with 2D
    • Cat Assist
    • Cat Payload
    • 2D E-Fence
  • Electrical System
    • Maintenance free battery
    • LED chassis light, left-side/right-side boom lights, cab lights
    • Programmable time-delay LED working lights
  • Engine
    • Cat C3.6 single turbo diesel engine
    • One-touch low idle with auto engine speed control
    • Auto engine shutdown
    • 52°C (125°F) high-ambient cooling capacity without de-rate
    • -25°C (-13°F) cold start capability
    • Electric fuel priming pump
    • Variable speed fan
    • Single fuel filtration system
    • Double element air filter with integrated precleaner
  • Hydraulic System
    • Boom and stick regeneration circuit
    • Auto hydraulic warm up
    • Auto two speed travel
    • Electric main control valve
    • Boom and stick drift reduction valve
    • Electric boom snubber
    • Auxiliary line support
  • Safety And Security
    • Rear and right-side-view cameras
    • Ground-level engine shutoff switch
    • Service platform with anti-skid plate and countersunk bolts
    • Signaling/warning horn
  • Service And Maintenance
    • Grouped engine oil and fuel filters
    • Ground-level engine oil dipstick
    • Sampling ports for Scheduled Oil Sampling (S·O·S)
  • Undercarriage And Structures
    • Grease lubricated track link
    • Tie down points on base frame
    • 3830 kg (8,440 lb) counterweight

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Boom And Sticks
    • 4.65 m (15'3") Reach boom
    • 2.4 m (7'8") stub + 2.44 (8'0") fore Variable Angle boom
    • 4.27 m (14'4") Power Offset boom
    • 2.2 m (7'3") Reach stick
    • 2.5 m (8'2") Reach stick
    • 2.8 m (9'2") Reach stick
    • 2.8 m (9'2") Thumb Ready stick
    • 3.0 m (9'10") Reach stick
  • Cab
    • Deluxe cab: air suspension heated seat, 254 mm (10") touchscreen monitor
    • Premium cab: air suspension heated and cooled seat, 10" touchscreen monitor
    • Cat Stick Steer
    • Auxiliary relay
  • Cat Technologies
    • Cat Grade with Advanced 2D
    • Cat Grade with 3D single GNSS
    • Cat Grade with 3D dual GNSS
  • Electrical System
    • 360° lighting
  • Hydraulic System
    • Boom and stick lowering check valves
  • Safety And Security
    • Cat Detect - People Detection
    • Cat Command remote control
    • 360° visibility
    • Swing alarm
    • Inspection lighting
  • Service And Maintenance
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • 500 mm (20 in) triple grouser shoes
    • 500 mm (20") rubber track shoes
    • 500 mm (20 in) triple grouser shoes with rubber pad
    • 600 mm (24 in) triple grouser shoes
    • 600 mm (24") rubber track shoes
    • 700 mm (28 in) triple grouser shoes
    • 770 mm (30 in) triple grouser shoes
    • 2500 mm (8'2") blade
    • 2600 mm (8'6") blade
    • 2700 mm (8'10") blade