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New Attachments

Attachments tailor Cat machines to the specific requirements of a customer's working needs. Caterpillar Attachments enhance the productivity and utility of Caterpillar machines, equipping them for a wide range of tasks and operating requirements, and providing total system solutions for any job application.


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Small Excavators 315

Cat small excavators range from 11 to 18 tons (11,000 to 18,000 kg). Powered by fuel-efficient engines and advanced hydraulic systems, our small excavators offer exclusive Cat Connect Technology and a variety of Cat attachments to help you complete work on time and on budget.

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Small Excavators 315

Cat small excavators range from 11 to 18 tons (11,000 to 18,000 kg). Powered by fuel-efficient engines and advanced hydraulic systems, our small excavators offer exclusive Cat Connect Technology and a variety of Cat attachments to help you complete work on time and on budget.

Download product brochure #1
Download product brochure #2
Download product brochure #3
Download product brochure #4
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Units: USMetric

Air Conditioning System

Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. If equipped with R134a (Global Warming Potential = 1430), the system contains 0.8 kg (1.8 lb) of refrigerant which has a CO2 equivalent of 1.144 metric tonnes (1.261 tons). If equipped with R1234yf (Global Warming Potential = 0.5), the system contains 0.7 kg (1.5 lb) of refrigerant which has a CO2 equivalent of 0.001 metric tonnes (0.001 tons).
Units: USMetric

Dimensions

Boom Reach 4.65 m (15'3")
Stick Reach R3.0 m (9'10")
Bucket GD 0.68 m³ (0.89 yd³)
Shipping Height - Top of Cab 9.3 ft 2810 mm
Handrail Height 9.4 ft 2860 mm
Shipping Length 24.4 ft 7440 mm
Shipping Length - with Blade 26.3 ft 8010 mm
Tail Swing Radius 5.2 ft 1570 mm
Counterweight Clearance 2.9 ft 880 mm
Ground Clearance 1.4 ft 440 mm
Track Length 12.3 ft 3750 mm
Length to Center of Rollers 10 ft 3040 mm
Track Gauge 6.5 ft 1990 mm
Transport Width 8.2 ft 2490 mm
Units: USMetric

Engine

Net Power - ISO 9249 108 hp 81 kW
Net Power - ISO 9249 (DIN) 110 hp (metric) 110 hp (metric)
Engine Model Cat C3.6
Engine Power - ISO 14396 110 hp 82 kW
Engine Power - ISO 14396 (DIN) 111 hp (metric) 111 hp (metric)
Bore 4 in 98 mm
Stroke 5 in 120 mm
Displacement 220 in³ 3.6 l
Biodiesel Capability Up to B20¹
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards.
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) and are compatible* with 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. *While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. ***Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).
Units: USMetric

Hydraulic System

Main System - Maximum Flow 276 l/min (73 gal/min)
Maximum Pressure - Equipment 5075 psi 35000 kPa
Maximum Pressure - Travel 5075 psi 35000 kPa
Maximum Pressure - Swing 3770 psi 26000 kPa
Units: USMetric

Service Refill Capacities

Fuel Tank Capacity 49 gal (US) 187 l
Cooling System 4 gal (US) 15 l
Engine Oil 2 gal (US) 8 l
Final Drive - Each 1 gal (US) 3 l
Hydraulic System - Including Tank 22.5 gal (US) 85 l
Hydraulic Tank 19 gal (US) 72 l
DEF Tank 6 gal (US) 21 l
Units: USMetric

Sustainability

Recyclability 95%
Units: USMetric

Swing Mechanism

Swing Speed 12 r/min 12 r/min
Maximum Swing Torque 25815 lbf·ft 35 kN·m
Note (1) *For CE-marked machine default value may be set lower
Units: USMetric

Weights

Operating Weight 34000 lb 15400 kg
Note (1) Long undercarriage, Reach boom, R3.0 (9'10") stick, General Duty (GD) 0.53 m3 (0.69 yd3 ) bucket, 700 mm (28") triple grouser shoes and 3.83 mt (8,440 lb) counterweight.
Units: USMetric

Working Ranges and Forces

Maximum Digging Depth 19.7 ft 5990 mm
Boom Reach 4.65 m (15'3")
Stick Reach R3.0 m (9'10")
Bucket GD 0.68 m³ (0.89 yd³)
Maximum Reach at Ground Level 28.5 ft 8690 mm
Maximum Cutting Height 31.8 ft 9690 mm
Maximum Loading Height 23.7 ft 7220 mm
Minimum Loading Height 6.8 ft 2080 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 19.1 ft 5810 mm
Maximum Vertical Wall Digging Depth 17 ft 5180 mm
Minimum Working Equipment Radius 7.3 ft 2240 mm
Bucket Digging Force - ISO 22180 lbf 98.67 kN
Stick Digging Force - ISO 13330 lbf 59.29 kN
Latest Features
Machine Setup Simplification
        
  • At the touch of fingertips and navigating user-friendly icons, the latest operator oriented User Interface (UI) maximizes uptime and gets crews to work without delay. From re-ordering work tool lists to creating new work tool combinations as needed, operators can quickly set up machines and easily access information.
    •     
  • The interface allows operators to maintain accuracy and makes the most of every second of their shift. Adding the ability to input couplers and attachments into the system makes setting up work tool combinations highly efficient by significantly reducing calibration time. It also eliminates the need to measure up again when changing Cat work tool attachments and makes it manageable for a single person to check and adjust for bucket wear.

Cat Grade 3D Ready
        
  • The Cat Grade 3D Ready option includes all the hardware required for the Grade with 3D system, installed and tested from the factory. This option provides an easier upgrade path for customers who want to add Grade with 3D after their initial purchase. To activate, contact your Cat Dealer to purchase the required 3D software licenses. Licenses can be installed remotely or manually loaded onto the machine.

Cat Payload and Advanced Payload*
        
  • Cat Payload provides operators with on-the-go weighing to help them hit load targets and avoid overloading, underloading, or misloading materials. Advanced Payload is a system upgrade that offers expanded features and capabilities, including custom tags, daily totals, and electronic ticketing. Combine Payload with VisionLinkTM** to analyze jobsites and individual assets for remote management of production targets and key metrics.

*Payload technologies are not legal for trade.
**VisionLink subscription required.

Not all features are available in all regions. Please check with your Cat dealer for specific offering availability in your area. Build Number: 07H
High Performance and Productivity
        
  • Work confidently in space-restricted areas. Dig, swing, and dump within a tight working space.
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  • Easily work on slopes and move around your jobsite with excellent swing torque and drawbar pull.
    •     
  • The advanced hydraulic system helps provide the optimum balance of power and efficiency while giving you the control you need for precise digging requirements.
    •     
  • Match your machine to the job with power modes. Let Smart mode automatically match engine and hydraulic power to working conditions. Power mode constantly helps provide maximum productivity, and Eco mode helps minimize fuel consumption in less-demanding applications.
    •     
  • Get high production in demanding applications, easily penetrate into piles, and fast cycle times with help from Cat® Advansys™ bucket tips. Quickly change tips with a simple lug wrench instead of a hammer or special tool, to help improve safety and uptime.
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  • Auxiliary hydraulic options give you the versatility to use a wide range of Cat attachments.
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  • The Cat C3.6 engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
    •     
  • Don’t let the temperature stop you from working. The excavator has a standard high-ambient temperature capability up to 52°C (125°F) without derate and cold-start capability down to -25°C (-13°F).
Integrated Cat® Technologies
        
  • The latest operator oriented User Interface (UI) has been designed to maximize uptime by allowing operators to easily reorder work tool lists and quickly create new work tool combinations. It also eliminates the need to measure up again when changing Cat® work tool attachments and makes it manageable for a single person to check and adjust for bucket wear.
    •     
  • Leverage standard Cat Grade with 2D system with indicate-only and laser capability to help boost productivity.
    •     
  • The Cat Grade 3D Ready option includes all the hardware required for the Grade with 3D system, installed and tested from the factory. Activation requires the purchase of additional 3D software licenses.
    •     
  • All Cat Grade systems are compatible with radios and base stations from Trimble, Topcon, and Leica. Already invested in a grade infrastructure? You can install grade systems from Trimble, Topcon, and Leica onto the machine.
    •     
  • Cat Grade with Assist helps operators stay on grade simply and effortlessly with semi-autonomous digging. It automates boom, stick, and bucket movements to deliver more accurate cuts with less effort.
    •     
  • Cat Payload provides operators with on-the-go weighing to help them hit load targets and avoid overloading, underloading, or misloading materials. Advanced Payload is a system upgrade that offers expanded features and capabilities, including custom tags, daily totals, and electronic ticketing. Combine Payload with VisionLinkTM* to analyze jobsites and individual assets for remote management of production targets and key metrics.
    •     
  • Optional Operator Coaching is an in-cab system that recognizes specific opportunities for operators to be more productive and prevent unnecessary machine wear and tear.

*VisionLinkTM subscription required. Availability may vary by region, consult your Cat Dealer for more details.

NOTE: Cat Payload for excavators is not legal for trade. Availability may vary by region, consult your Cat Dealer for more details.
Take the Guesswork out of Managing Your Equipment
        
  • VisionLinkTM provides actionable data insights for all assets – regardless of fleet size or equipment manufacturer.* Review equipment data from your desktop or mobile device to maximize uptime and optimize assets. Equipment management features provide up-to-date asset tracking of your entire fleet. You can track asset location, operating hours, fuel level, health issues, and overall utilization. Monitor equipment health with fault codes, fluid analysis, and inspection due dates. It's all about making informed, data-based decisions to help reduce operating costs. Productivity management features enable you to analyze overall job site performance. You'll be able to track tonnage moved, production targets, and payload. These vital metrics help you to reduce costs and improve jobsite operational efficiency.
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  • Cat® Inspect is a mobile application that allows you to easily perform digital preventative maintenance (PM) checks, inspections, and daily walkarounds. Inspections can easily be integrated with other Cat data systems like VisionLinkTM so you can keep a close eye on your fleet.
    •     
  • Remote Troubleshoot is a mobile application that allows your Cat dealer to perform diagnostic testing on your connected machine remotely to help ensure that issues are resolved quickly and with less downtime.
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  • Remote Flash is a mobile application that allows you to update onboard software without a technician being present, allowing you to initiate software updates when convenient, increasing your overall operating efficiency.
    •     
  • The Cat PL161 attachment locator allows you to track attachments across all worksites, reduce the number of lost attachments, and plan for attachment maintenance and replacement. The work tool recognition** feature automatically adjusts machine settings based on the selected tool.

*Data field availability can vary by equipment manufacturer. VisionLinkTM subscription required.
**Recognition feature available on select excavator models. Consult your Cat dealer for details.
Work in Comfort
        
  • Increase operator productivity with a large cab. Comfort, Deluxe, and Premium cab options vary by region.
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  • The Comfort cab is equipped with a mechanical suspension seat. The Deluxe seat is heated and air adjustable while the Premium seat is heated and cooled and adjusts automatically.
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  • Get in and out of the cab easier using the tip-up left console available in the deluxe and premium cabs.
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  • Advanced viscous mounts help you feel comfortable in the cab while you work with reduced cab vibrations.
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  • Control the excavator comfortably with easy-to-reach controls all located in front of you.
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  • Stow your gear with plenty of in-cab storage beneath and behind the seat, overhead, and in the consoles. A cup holder, document holder, and coat hook are also provided.
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  • Use the standard radio’s USB ports and Bluetooth® technology to connect personal devices and make hands-free calls.
Simple to Operate
        
  • Continuously improved user interface allows for intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.
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  • Not sure how a function works or how to maintain your machine? Simply access the operator’s manual through the touchscreen monitor.
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  • Navigate quickly on the standard high-resolution touchscreen monitor with an easy-to use menu or with the aid of the jog dial control.
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  • Start the engine with the push-to-start button, a Bluetooth key fob, or the unique Operator ID function.
    •     
  • Program your power mode and joystick preferences using Operator ID; the excavator remembers your settings each time you go to work.
    •     
  • Easily move the excavator with Cat Stick Steer. Simply push a button and use one hand to travel and turn instead of both hands or feet on levers or pedals.
    •     
  • Additional auxiliary relays allow you to power on or turn off a CB radio, beacon light, and even a dust suppression watering system without taking your hands off the joysticks.
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  • Cat asset tracking devices allow you to track attachments across all jobsites, reduce the number of lost attachments, and plan for attachment maintenance and replacement.
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  • Tiltrotator attachments – ours or other brands – work seamlessly with Cat 2D Grade, Assist, Payload, and E-Fence. With no additional hardware required, all you have to do is simply select "Third Party Tiltrotator System Installation" in the monitor, do the calibration, and get to work.
Maintenance
        
  • Quickly check and service your machine with daily maintenance points accessible from ground level.
    •     
  • Check the engine oil level quickly and safely from the ground. Fill and check engine oil on top of the machine with a conveniently located second dipstick.
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  • Track your machine’s filter life and maintenance intervals on the in-cab monitor.
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  • Long life filters for fuel, hydraulic oil, and air help save on maintenance costs.
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  • The hydraulic oil filter helps provide high filtration performance, anti-drain valves to help keep oil clean when the filter is replaced, and long life with a 3,000-hour replacement interval.
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  • High-efficiency cooling fans run only when needed; you can program intervals so they automatically reverse to help keep cores clean without interrupting your work.
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  • S•O•SSM ports are located at ground level, helping simplify maintenance and allowing for quick, easy extraction of fluid samples for analysis.
    •     
  • Boost productivity with proactive service reminders. The integrated vehicle health management system alerts the operator with step-by-step service guidance along with parts needed so you don't experience any unnecessary downtime.
Safety Features
        
  • Optional Cat Detect - People Detection kit for excavators is an intelligent vision camera system that can alert an operator when someone enters a machine’s hazard zone.*
    •     
  • The wide undercarriage is designed for optimum stability helping keep you secure and in control especially on rough or uneven terrain.
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  • Cat Command remote control enables equipment operators to work safely outside the machine when working in hazardous environments.
    •     
  • Cat 2D E-Fence restricts the front linkage from moving beyond operator-defined preset boundaries for the ceiling, floor, wall, swing, and cab.
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  • The standard Rollover Protective Structure (ROPS) cab meets ISO 12117-2:2008 requirements.
    •     
  • Small cab pillars, large windows, and a wide skylight hatch help provide great vertical visibility.
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  • The standard hydraulic lockout lever isolates all hydraulic and travel functions in the lowered position.
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  • The ground-level shutoff switch stops all fuel to the engine when activated and shuts down the machine.
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  • Rear and right-side-view cameras are standard. Upgrade to 360° visibility to easily see objects and personnel around the excavator in a single view.
    •     
  • The service platform design helps provide easy, safe, and quick access to the upper service platform. Platform steps use anti-skid punch plate to help prevent slipping.
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  • Optional boom and stick lowering check valves prevent reverse flow, keeping your front linkage securely in place should the hydraulic system unexpectedly lose power.
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  • Optional Operator Protective Guards (OPG) protect from falling and flying debris.
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  • Optional inspection lighting helps make service work easy and safe. With the flip of a switch, lights will illuminate the engine, pump, battery, and radiator compartments to enhance visibility.

*The system may not detect personnel in certain circumstances, such as fast swing speeds, people lying down or crouching, or when cameras are impaired by low light conditions (dusk, dawn, overcast), inclement weather (snow, rain, fog), or other similar conditions. For limitations of use, refer to the operation and maintenance manual.
Sustainability
        
  • The Cat® C3.6 engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
    •     
  • The 315 emits lower CO2 emissions compared to the 315F.
    •     
  • Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with 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.
    •     
  • Cat Grade technologies combine advanced guidance with optional automated machine control helping you reach grading targets while helping to reduce fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy.
    •     
  • Cat Grade with Assist helps operators stay on grade simply and effortlessly with semi-autonomous digging. It automates boom, stick, and bucket movements to deliver more accurate cuts with less effort.
    •     
  • Auto Engine Speed Control reduces unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
    •     
  • Cat Payload for excavators provides operators with on-the-go weighing to help them hit load targets and avoid overloading, underloading, or misloading materials.
    •     
  • Cat 2D E-Fence restricts the front linkage from moving beyond operator-defined preset boundaries for the ceiling, floor, wall, swing, and cab. This not only ensures the safety of personnel but also saves on costly repairs, equipment downtime, and potential jobsite fines.
    •     
  • Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
    •     
  • Cat VisionLinkTM displays the CO₂ emissions for monitored assets, calculated by fuel type for the Runtime Fuel Burned each day in a selected date range.
    •     
  • Remote Troubleshoot is a mobile application that allows your Cat dealer to perform diagnostic testing on your connected machine remotely to help ensure that issues are resolved quickly and with less downtime.
    •     
  • Remote Flash is a mobile application that allows you to update onboard software without a technician being present, allowing you to initiate software updates when convenient, increasing your overall operating efficiency.

*While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use.
**Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
***Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details.
CAB
Rollover Protective Structure (ROPS)
CAT TECHNOLOGIES
VisionLink™
ELECTRICAL SYSTEM
Maintenance free battery
ENGINE
Cat C3.6 single turbo diesel engine
HYDRAULIC SYSTEM
Boom and stick regeneration circuit
SAFETY AND SECURITY
Ground-level engine shutoff switch
SERVICE AND MAINTENANCE
Grouped engine oil and fuel filters
UNDERCARRIAGE AND STRUCTURES
Grease lubricated track link
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