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302.7 CR

302.7 CR

Mini excavator

An extensive line of Cat® mini hydraulic excavators offers the performance to dig in and be productive on every job.


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Specifications
Blade
  • Height
    12.6 in 320 mm
  • Width
    61.8 in 1570 mm
Certification - Cab and Canopy
  • Top Guard
    ISO 10262:1998 (Level I)
  • Tip Over Protective Structure (TOPS)
    ISO 12117:1997
  • Roll Over Protective Structure (ROPS)
    ISO 12117-2:2008
Dimensions - Long Stick
  • Dig Depth
    106.7 in 2710 mm
  • Boom Height - Shipping Position
    65 in 1650 mm
  • Boom Swing - Right
    32.7 in 830 mm
  • Maximum Reach - Ground Level
    185.4 in 4710 mm
  • Maximum Blade Height
    15.6 in 395 mm
  • Maximum Reach
    190.9 in 4850 mm
  • Boom Swing - Left
    23.8 in 605 mm
  • Maximum Blade Depth
    20.3 in 515 mm
  • O/A Shipping Height
    97.6 in 2480 mm
  • Maximum Dig Height
    172.8 in 4390 mm
  • Stick Length
    49.6 in 1260 mm
  • Tail Swing without Counterweight
    30.5 in 775 mm
  • Boom In Reach
    68.1 in 1730 mm
  • Maximum Dump Clearance
    120.9 in 3070 mm
  • Swing Bearing - Height
    22 in 560 mm
  • Vertical Wall
    80.7 in 2050 mm
  • O/A Undercarriage Length
    79.1 in 2010 mm
  • Ground Clearance
    12.2 in 310 mm
  • Track Belt/Shoe Width
    11.8 in 300 mm
  • Overall Shipping Length*
    168.5 in 4280 mm
  • Note
    *Overall Shipping Length depends on blade position during shipment.
  • Tail Swing - with Extra Counterweight
    35 in 890 mm
  • Track Width
    61.8 in 1570 mm
  • Tail Swing - with Light Counterweight
    33.3 in 845 mm
Dimensions - Standard Stick
  • Overall Shipping Length*
    166.9 in 4240 mm
  • Boom In Reach
    67.3 in 1710 mm
  • O/A Shipping Height
    97.6 in 2480 mm
  • Swing Bearing - Height
    22 in 560 mm
  • Stick Length
    41.7 in 1060 mm
  • Maximum Reach
    183.5 in 4660 mm
  • Maximum Dump Clearance
    116.1 in 2950 mm
  • Maximum Dig Height
    168.1 in 4270 mm
  • Tail Swing without Counterweight
    30.5 in 775 mm
  • Tail Swing with Extra Counterweight
    35 in 890 mm
  • Boom Swing - Right
    32.7 in 830 mm
  • O/A Undercarriage Length
    79.1 in 2010 mm
  • Vertical Wall
    73.6 in 1870 mm
  • Note
    *Overall Shipping Length depends on blade position during shipment.
  • Maximum Reach - Ground Level
    177.6 in 4510 mm
  • Dig Depth
    98.8 in 2510 mm
  • Track Belt/Shoe Width
    11.8 in 300 mm
  • Maximum Blade Height
    15.6 in 395 mm
  • Maximum Blade Depth
    20.3 in 515 mm
  • Boom Swing - Left
    23.8 in 605 mm
  • Ground Clearance
    12.2 in 310 mm
  • Boom Height - Shipping Position
    61.4 in 1560 mm
  • Tail Swing - with Light Counterweight
    33.3 in 845 mm
Engine
  • Net Power
    23.6 hp 17.6 kW
  • Engine Model
    C1.1 Turbo
  • Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
    23.6 hp 17.6 kW
  • Bore
    3 in 77 mm
  • Displacement
    69 in³ 1.1 l
  • Emissions
    Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
  • Stroke
    3.2 in 81 mm
  • Gross Power - 2,400 rpm - SAE J1995:2014
    24.7 hp 18.4 kW
Hydraulic System
  • Digging Force - Stick - Standard
    3102 lbf 13.8 kN
  • Auxiliary Circuit - Primary - Pressure
    3553 psi 245 bar
  • Operating Pressure - Swing
    2553 psi 176 bar
  • Auxiliary Circuit - Secondary - Flow
    7 gal/min 25 l/min
  • Auxiliary Circuit - Primary - Flow
    17 gal/min 65 l/min
  • Auxiliary Circuit - Secondary - Pressure
    3553 psi 245 bar
  • Operating Pressure - Equipment
    3553 psi 245 bar
  • Digging Force - Stick - Long
    2765 lbf 12.3 kN
  • Digging Force - Bucket
    5238 lbf 23.3 kN
  • Operating Pressure - Travel
    3553 psi 245 bar
  • Pump Flow at 2,400 rpm
    26 gal/min 100 l/min
  • Type
    Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Note
    Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Service Refill Capacities
  • Hydraulic System
    9.2 gal (US) 35 l
  • Hydraulic Tank
    4.8 gal (US) 18 l
  • Fuel Tank
    11.9 gal (US) 45 l
  • Engine Oil
    1.1 gal (US) 4 l
  • Cooling System
    1.1 gal (US) 4 l
Sound
  • Operator Sound Pressure (ISO 6396:2008)
    78 dB(A) 78 dB(A)
  • Average Exterior Sound Pressure (ISO 6395:2008)
    94 dB(A) 94 dB(A)
  • Note
    European Union Directive “2000/14/EC”
Sustainability
  • Recyclability
    95%
Swing System
  • Machine Swing Speed
    9 r/min 9 r/min
  • Boom Swing - Left
    75 Degrees
  • Boom Swing - Right
    50 Degrees
Travel System
  • Ground Pressure - Maximum Weight
    4.2 psi 29 kPa
  • Ground Pressure - Minimum Weight
    3.5 psi 24.2 kPa
  • Travel Speed - Low
    1.6 mile/h 2.6 km/h
  • Gradeability - Maximum
    30 degrees
  • Maximum Traction Force - High Speed
    3507 lbf 15.6 kN
  • Travel Speed - High
    2.8 mile/h 4.5 km/h
  • Maximum Traction Force - Low Speed
    6025 lbf 26.8 kN
Weight Increase from Minimum Configuration
  • Long Stick
    33 lb 15 kg
  • Steel Tracks
    221 lb 100 kg
  • Cab
    276 lb 125 kg
  • Counterweight (extra)
    551 lb 250 kg
  • Counterweight (light)
    221 lb 100 kg
Weights
  • Operating Weight
    6725 lb 3050 kg
  • Minimum Operating Weight with Canopy*
    5645 lb 2560 kg
  • Maximum Operating Weight with Canopy**
    6450 lb 2925 kg
  • Minimum Operating Weight with Cab*
    5909 lb 2680 kg
  • EU: CE Plate Weight with Canopy***
    5942 lb 2695 kg
  • EU: CE Plate Weight with Cab***
    6174 lb 2800 kg
  • Note (2)
    **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight.
  • Note (1)
    *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight.
  • Maximum Operating Weight with Cab**
    6725 lb 3050 kg
  • Note (3)
    ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
Benefits

ALL DAY COMFORT

  • Choose either a canopy or a sealed and pressurized cab which can be equipped with air conditioning, adjustable wrist rests, and a suspension seat option to help keep you working comfortably all day long.

EASY TO OPERATE

  • Controls are easy to use and the intuitive Next Generation LCD monitor provides easy to read machine information. An advanced touchscreen monitor can also be equipped.

STICK STEER TRAVEL MODE

  • Moving around the job site is even easier with the Cat Stick Steer option. Easily switch from traditional travel controls with levers and pedals to joystick controls to move the machine and to operate the blade. The benefit of less effort and improved control is in your hands!

BIG PERFORMANCE IN A COMPACT DESIGN

  • Strong lift and dig performance helps you get the job done faster. The compact radius design and retractable undercarriage let you access and work in the tightest areas. Dozer float allows for easy clean up.

SAFETY ON THE JOB SITE

  • Your safety is our top priority. The Cat mini excavator is designed to help keep you safe on the job. Courtesy work lights and a fluorescent retractable seat belt are just a couple of the safety features we’ve built into the machine.

SIMPLE SERVICE FOR LESS DOWNTIME

  • Maintenance is quick and easy on the Cat mini excavator. Routine check points are easy to access at ground level through the side doors. The unique tilt up cab or canopy lets you reach additional service areas when needed.

LOWER OPERATING COSTS

  • Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat mini excavator was designed with reducing your operating costs in mind.

UNMATCHED DEALER SUPPORT

  • Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.

SUSTAINABILITY

  • The Cat® C1.1 engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
  • Cat 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.
  • Auto Idle helps reduce unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
  • Engine Idle Shutdown Timer reduces fuel burn, greenhouse gas emissions and unnecessary idle time by shutting down the machine after a pre-set idling period.
  • Cruise control helps you maintain a constant speed as you travel across your jobsite saving fuel and reducing greenhouse gas emissions.
  • The Cat® Seat Belt Reminder provides audible and visual warnings to remind operators to buckle up during machine operation. The easy-to-install system is compatible with all equipment brands to help ensure operator safety.
  • Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
  • Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.(if equipped)
  • Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.(if equipped)
*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)
Equipment Info

ENGINE

Cat® C1.1 Turbo Engine (U.S. EPA Tier 4 Final/EU Stage V)

HYDRAULICS

Smart Tech Electronic Pump

OPERATOR ENVIRONMENT

Tilt-up Canopy or Tilt-Up Cab

UNDERCARRIAGE

Rubber Belt (300 mm/11.8 in wide)

BOOM, STICK AND LINKAGES

One Piece Boom (2085 mm/82.1 in)

ELECTRICAL

12 Volt Battery