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317 GC Hydraulic Excavator

317 GC Hydraulic Excavator

At a Glance

Net Power - ISO 9249
119 HP
Operating Weight
38100 lb
Maximum Digging Depth
21 ft
Engine Model
Cat C3.6
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The Cat® 317 GC Excavator offers job-matched performance and world-class versatility. A large working envelope and expanded work tool offering help you complete your work quickly and efficiently. Combined with fuel-saving features, longer maintenance intervals, and simplified maintenance points, the 317 GC provides the reliability you expect at the low cost-per-hour you need.


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Net Power - ISO 9249 119HP
Engine Model Cat C3.6
Engine Power - ISO 14396 121HP
Bore 4in
Stroke 5in
Displacement 220in³


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Operating Weight 38100lb

Working Ranges & Forces

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Maximum Digging Depth 21ft
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 29.6ft
Maximum Cutting Height 29.1ft
Maximum Loading Height 20.6ft
Minimum Loading Height 6.5ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 20.2ft
Maximum Vertical Wall Digging Depth 16.3ft
Minimum Working Equipment Radius 9.6ft
Bucket Digging Force - ISO 27650lbf
Stick Digging Force - ISO 16860lbf

Hydraulic System

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

Swing Mechanism

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Swing Speed 8.7r/min
Maximum Swing Torque 44991ft·lbf

Service Refill Capacities

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Fuel Tank Capacity 71.6gal (US)
Cooling System 5.8gal (US)
Engine Oil 2.9gal (US)
Final Drive - Each 1.6gal (US)
Hydraulic System - Including Tank 24.8gal (US)
Hydraulic Tank 23gal (US)
DEF Tank 5.9gal (US)


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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 9.6ft
Handrail Height 9.6ft
Shipping Length 28.1ft
Tail Swing Radius 8.2ft
Counterweight Clearance 3.3ft
Ground Clearance 1.4ft
Track Length 13ft
Length to Center of Rollers 10.4ft
Track Gauge 6.5ft
Transport Width 8.5ft

Air Conditioning System

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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.