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Overview

Cat® wheeled excavators are designed to make you successful. The M315D2 offers the best solution whenever there is a need for a powerful and mobile machine capable of working on and off road. A wide variety of Cat attachments makes the machine versatile for multiple tasks.

Engine

Units:
Engine Model Cat C4.4 ACERT Cat C4.4 ACERT Less
Net Power 137.0 hp 101.0 kW Less
Bore 4.1 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 268.5 in3 4.4 L Less
Maximum Torque at 1,400 rpm 406.0 lbf-ft 550.0 N·m Less
Engine Power – ISO 14396 Net (metric) 108 kW (147 hp) 108 kW (147 hp) Less
Engine Power – ISO 9249/SAE J1349 Net (metric) 101 kW (137 hp) 101 kW (137 hp) Less
Emissions Meets China Nonroad Stage III emission standards, equivalent to Tier 3/Stage IIIA. Meets China Nonroad Stage III emission standards, equivalent to Tier 3/Stage IIIA. Less
Ratings 2000.0 rpm 2000.0 rpm Less
Number of Cylinders – In Line 4 4 Less

Weights

Operating Weights 13 500 to 15 200 kg (29,762 to 33,510 lb) 13 500 to 15 200 kg (29,762 to 33,510 lb) Less
Weights – One-Piece Boom* (either 4500 mm or 4815 mm* boom): Blade Front and Outriggers Rear 32518.0 lb 14750.0 kg Less
Weights – One-Piece Boom* (either 4500 mm or 4815 mm* boom): Rear Blade Only 30424.0 lb 13800.0 kg Less
Weights – VA Boom*: Blade Front and Outriggers Rear 33290.0 lb 15100.0 kg Less
Weights – VA Boom*: Rear Blade Only 31306.0 lb 14200.0 kg Less
Weights – Sticks: Short (2000 mm) 816.0 lb 370.0 kg Less
Weights – Sticks: Medium (2300 mm) 860.0 lb 390.0 kg Less
Weights – Standard Counterweight 6393.0 lb 2900.0 kg Less
Weights – Optional Counterweight 7275.0 lb 3300.0 kg Less
Note *Weight includes medium stick, 3300 kg counterweight, with full fuel tank, operator, and a 450 kg bucket. Weight varies depending on configuration. *Weight includes medium stick, 3300 kg counterweight, with full fuel tank, operator, and a 450 kg bucket. Weight varies depending on configuration. Less

Swing Mechanism

Maximum Swing Speed 9.8 rpm 9.8 rpm Less
Maximum Swing Torque 26552.0 lbf-ft 36.0 kN·m Less

Hydraulic System

Tank Capacity 25.1 gal 95.0 L Less
System 47.6 gal 180.0 L Less
Maximum Pressure – Implement Circuit: Normal and Travel Circuit 5076.0 psi 350.0 bar Less
Maximum Pressure – Implement Circuit: Heavy Lift 5439.0 psi 375.0 bar Less
Maximum Pressure – Auxiliary Circuit: High Pressure 5076.0 psi 350.0 bar Less
Maximum Pressure – Auxiliary Circuit: Medium Pressure 2683.0 psi 185.0 bar Less
Swing Mechanism 5076.0 psi 350.0 bar Less
Maximum Pressure – Implement Circuit: Normal and Travel Circuit 5076.0 psi 35000.0 kPa Less
Maximum Flow: Implement/Travel Circuit 47.6 gal/min 180.0 L/min Less
Maximum Flow: Auxiliary Circuit – High Pressure 47.6 gal/min 180.0 L/min Less
Maximum Flow: Auxiliary Circuit – Medium Pressure 10.6 gal/min 40.0 L/min Less
Maximum Flow: Swing Mechanism 20.6 gal/min 78.0 L/min Less
Maximum Pressure – Implement Circuit: Heavy Lift 5439.0 psi 37500.0 kPa Less
Maximum Pressure – Auxiliary Circuit: High Pressure 5076.0 psi 35000.0 kPa Less
Maximum Pressure – Auxiliary Circuit: Medium Pressure 2683.0 psi 18500.0 kPa Less
Swing Mechanism 5076.0 psi 35000.0 kPa Less

Transmission

Drawbar Pull 17085.0 lbf 76.0 kN Less
Maximum Forward/Reverse – 2nd Gear 23.0 mph 37.0 kph Less
Maximum Gradeability at 14 500 kg 58% 58% Less

Service Refill Capacities

Engine Crankcase 2.1 gal 8.0 L Less
Fuel Tank (total capacity) 62.1 gal 235.0 L Less
Cooling System 8.2 gal 31.0 L Less

Undercarriage

Axle Clearance 14.6 in 370.0 mm Less
Maximum Steering Angle 35° 35° Less
Oscillation Axle Angle ±8.5° ±8.5° Less

Drive

Maximum Travel Speed 23.0 mph 37.0 km/h Less

Working Ranges: 5020 mm VA Boom; 2000 mm Stick

Digging Height 31.2 ft 9520.0 mm Less
Dump Height 23.2 ft 7060.0 mm Less
Digging Depth 16.4 ft 5010.0 mm Less
Reach at Ground Level 27.3 ft 8330.0 mm Less
Bucket Forces (ISO 6015) 23155.0 lbf 103.0 kN Less
Stick Forces (ISO 6015) 17085.0 lbf 76.0 kN Less
Note Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Less
Note Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Less

Working Ranges: 5020 mm VA Boom; 2300 mm Stick

Digging Height 31.7 ft 9670.0 mm Less
Dump Height 23.7 ft 7210.0 mm Less
Digging Depth 17.4 ft 5300.0 mm Less
Reach at Ground Level 28.1 ft 8580.0 mm Less
Bucket Forces (ISO 6015) 23155.0 lbf 103.0 kN Less
Stick Forces (ISO 6015) 15512.0 lbf 69.0 kN Less
Note Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Less
Note Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Less

Working Ranges: 4815 mm One-Piece Boom; 2000 mm Stick

Digging Height 27.8 ft 8480.0 mm Less
Dump Height 19.9 ft 6060.0 mm Less
Digging Depth 15.9 ft 4840.0 mm Less
Reach at Ground Level 26.5 ft 8080.0 mm Less
Bucket Forces (ISO 6015) 23155.0 lbf 103.0 kN Less
Stick Forces (ISO 6015) 17085.0 lbf 76.0 kN Less
Note Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Less
Note Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Less

Working Ranges: 4815 mm One-Piece Boom; 2300 mm Stick

Digging Height 28.1 ft 8580.0 mm Less
Dump Height 20.1 ft 6120.0 mm Less
Digging Depth 16.9 ft 5140.0 mm Less
Reach at Ground Level 27.3 ft 8320.0 mm Less
Bucket Forces (ISO 6015) 23155.0 lbf 103.0 kN Less
Stick Forces (ISO 6015) 15512.0 lbf 69.0 kN Less
Note Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Less
Note Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Less

Working Ranges: 4500 mm One-Piece Boom*; 2000 mm Stick

Digging Height 26.4 ft 8040.0 mm Less
Dump Height 19.1 ft 5810.0 mm Less
Digging Depth 14.8 ft 4520.0 mm Less
Reach at Ground Level 25.5 ft 7770.0 mm Less
Bucket Forces (ISO 6015) 23155.0 lbf 103.0 kN Less
Stick Forces (ISO 6015) 17085.0 lbf 76.0 kN Less
Note Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Less
Note Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Less
Note *For Asia, China, Taiwan and Indonesia only. *For Asia, China, Taiwan and Indonesia only. Less

Working Ranges: 4500 mm One-Piece Boom*; 2300 mm Stick

Digging Height 26.4 ft 8060.0 mm Less
Dump Height 19.3 ft 5890.0 mm Less
Digging Depth 15.8 ft 4810.0 mm Less
Reach at Ground Level 26.0 ft 7940.0 mm Less
Bucket Forces (ISO 6015) 23155.0 lbf 103.0 kN Less
Stick Forces (ISO 6015) 15512.0 lbf 69.0 kN Less
Note Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Range values are calculated with a bucket 1000 mm/0.6 m3 with a tip radius of 1225 mm. Values refer to stick nose pin. Less
Note Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Bucket and stick force values are calculated with heavy lift on and a cutting edge of 1111 mm. Less
Note *For Asia, China, Taiwan and Indonesia only. *For Asia, China, Taiwan and Indonesia only. Less

Performance

  • The Cat C4.4 ACERT™ engine meets China Nonroad Stage III emission standards, equivalent to U.S. EPA Tier 3/EU Stage IIIA.
  • Optimize fuel consumption during both working and traveling applications with our efficient fuel system.
  • Reduce fuel consumption thanks to the Automatic Engine Speed Control; it lowers engine speed when no operation is performed.
  • Optimize fuel consumption with fuel savers like one-touch low-idle control and enhanced Eco Mode.
  • Enjoy quick response to changing loads with the constant power strategy.
  • Get the right balance of reach and digging forces from various boom and stick options.
  • Boost lift up to 10% using the one-touch heavy lift button.
  • Further boost productivity with options like joystick steering or SmartBoom™.
  • Experience fast and smooth combined movements when working and swinging simultaneously thanks to the dedicated swing pump.

Cat Connect Technology

  • Increase production and minimize operating cost with Cat Connect technology solutions. Link technologies wirelessly connect you to your job site, providing machine location, hours, fuel usage, idle time and event codes.

Versatility

  • Move fast with 37 kph maximum travel speed.
  • Build the machine you want with multiple configurations and attachments.
  • Ensure quick attachment changes with optional medium- and high-pressure hydraulics.
  • Set up to 10 attachment flows and pressures with optional tool control.

Comfort, Ease of Operation and Safety

  • Enjoy safe, comfortable driving with optional bucket rest* and ride control; both help dampen front linkage motion.
  • Count on the Operator Protective Structure (with bolt-on cab for top and front guards) to help keep you safe in the event of a rollover.
  • Enjoy simple, ergonomically designed controls for easy operation.
  • Stay comfortable in the optional heated seat; air suspension automatically adjusts to your weight.
  • See all around you through expansive glass and the rear-mounted camera that displays objects on the color monitor.
  • Work with low noise levels; the machine is quiet inside and out, making it ideal for areas with sound restrictions.
*Available for China, Asia, Taiwan and Indonesia only.

Reliability

  • Count on long engine life due to our unique fuel system; it’s designed to handle low-quality diesel fuel.
  • Work year round with maintenance-free heavy-duty batteries and engine cold start capability.
  • Count on less risk of drivetrain damage thanks to an exclusive transmission design and heavy-duty axles.
  • Expect less risk of leaks and performance loss with resistant and durable Cat XT™-6 ES hoses.

Maintenance – Lower Costs

  • Take advantage of ground-level access for all daily maintenance points.
  • Experience more uptime with centralized, conveniently located greasing points.
  • Reduce costs linked to fluids and disposals thanks to long service intervals.