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317 GC Hydraulic Excavator

317 GC Hydraulic Excavator


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More Comfort – More Performance – More Versatility


    Two power modes and an updated control valve and electro-hydraulic pump minimize fuel use and increase engine efficiency.


    With extended and more synchronized maintenance intervals, you get more done at a lower cost.


    A large working envelope and expanded work tool offering help you complete your work quickly and efficiently. The weight of the machine makes it easily transportable from jobsite to jobsite.


    The 317 GC emits up to 5% less CO2 than the previous 316F.


Biodiesel Capability Up to B20¹
Bore 4 in
Displacement 220 in³
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards
Engine Model Cat C3.6
Engine Power - ISO 14396 121 HP
Engine Power - ISO 14396 (DIN) 122 hp (metric)
Net Power - ISO 9249 119 HP
Net Power - ISO 9249 (DIN) 121 hp (metric)
Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 2,400 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2) ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels.Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations“ (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Stroke 5 in

Hydraulic System

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

Swing Mechanism

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


Operating Weight 38000 lb

Service Refill Capacities

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


Boom Reach 5.1 m (16'9")
Bucket GD 0.76 m³ (0.99 yd³)
Counterweight Clearance 3.3 ft
Ground Clearance 1.4 ft
Handrail Height 9.6 ft
Length to Center of Rollers 10.4 ft
Shipping Height - Top of Cab 9.6 ft
Shipping Length 28.1 ft
Stick Reach R2.9 m (9'6")
Tail Swing Radius 8.2 ft
Track Gauge 6.5 ft
Track Length 13 ft
Transport Width 8.5 ft

Working Ranges & Forces

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

Download resources

317 GC Product Brochure
317 GC Technical Specifications (Europe)
317 GC Technical Specifications (North America)

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