The Cat® 302.7 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
Caterpillar
302.7 CR Mini Hydraulic Excavator
Overview
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Exterior
Model shown represents features on all Cat® Mini Excavators except where indicated.
Interior
Model shown represents features on all Cat® Mini Excavators except where indicated.
Documents
- 302.7 CR Small Product Brochure (with Fixed Undercarriage)
- 302.7 CR Small Product Brochure (with Expandable Undercarriage)
- Cat Mini Hydraulic Excavators Product Line Brochure (North America)
- Cat Mini Hydraulic Excavators Product Line Brochure (Europe)
- Options And Accessories Kit Guide for Mini Hydraulic Excavators
- Cat Attachments for Mini Excavators Brochure
- Attachment Compatibility Guide for Mini Excavators
Features
Specifications
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Engine
Spec Value Net Power 23.6 hp Engine Model C1.1 Turbo Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 23.6 hp Bore 3 in Displacement 69 in³ Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. Stroke 3.2 in Gross Power - 2,400 rpm - SAE J1995:2014 24.7 hp -
Weights
Spec Value Operating Weight 6725 lb Minimum Operating Weight with Canopy* 5645 lb Maximum Operating Weight with Canopy** 6450 lb Minimum Operating Weight with Cab* 5909 lb EU: CE Plate Weight with Canopy*** 5942 lb EU: CE Plate Weight with Cab*** 6174 lb 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 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. -
Weight Increase from Minimum Configuration
Spec Value Long Stick 33 lb Steel Tracks 221 lb Cab 276 lb Counterweight (extra) 551 lb Counterweight (light) 221 lb -
Travel System
Spec Value Ground Pressure - Maximum Weight 4.2 psi Ground Pressure - Minimum Weight 3.5 psi Travel Speed - Low 1.6 mile/h Gradeability - Maximum 30 degrees Maximum Traction Force - High Speed 3507 lbf Travel Speed - High 2.8 mile/h Maximum Traction Force - Low Speed 6025 lbf -
Service Refill Capacities
Spec Value Hydraulic System 9.2 gal (US) Hydraulic Tank 4.8 gal (US) Fuel Tank 11.9 gal (US) Engine Oil 1.1 gal (US) Cooling System 1.1 gal (US) -
Hydraulic System
Spec Value Digging Force - Stick - Standard 3102 lbf Auxiliary Circuit - Primary - Pressure 3553 psi Operating Pressure - Swing 2553 psi Auxiliary Circuit - Secondary - Flow 7 gal/min Auxiliary Circuit - Primary - Flow 17 gal/min Auxiliary Circuit - Secondary - Pressure 3553 psi Operating Pressure - Equipment 3553 psi Digging Force - Stick - Long 2765 lbf Digging Force - Bucket 5238 lbf Operating Pressure - Travel 3553 psi Pump Flow at 2,400 rpm 26 gal/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. -
Swing System
Spec Value Machine Swing Speed 9 r/min Boom Swing - Left 75 Degrees Boom Swing - Right 50 Degrees -
Blade
Spec Value Height 12.6 in Width 61.8 in -
Certification - Cab and Canopy
Spec Value Top Guard ISO 10262:1998 (Level I) Tip Over Protective Structure (TOPS) ISO 12117:1997 Roll Over Protective Structure (ROPS) ISO 12117-2:2008 -
Sound
Spec Value Operator Sound Pressure (ISO 6396:2008) 78 dB(A) Average Exterior Sound Pressure (ISO 6395:2008) 94 dB(A) Note European Union Directive “2000/14/EC” -
Dimensions - Standard Stick
Spec Value Overall Shipping Length* 166.9 in Boom In Reach 67.3 in O/A Shipping Height 97.6 in Swing Bearing - Height 22 in Stick Length 41.7 in Maximum Reach 183.5 in Maximum Dump Clearance 116.1 in Maximum Dig Height 168.1 in Tail Swing without Counterweight 30.5 in Tail Swing with Extra Counterweight 35 in Boom Swing - Right 32.7 in O/A Undercarriage Length 79.1 in Vertical Wall 73.6 in Note *Overall Shipping Length depends on blade position during shipment. Maximum Reach - Ground Level 177.6 in Dig Depth 98.8 in Track Belt/Shoe Width 11.8 in Maximum Blade Height 15.6 in Maximum Blade Depth 20.3 in Boom Swing - Left 23.8 in Ground Clearance 12.2 in Boom Height - Shipping Position 61.4 in Tail Swing - with Light Counterweight 33.3 in -
Dimensions - Long Stick
Spec Value Dig Depth 106.7 in Boom Height - Shipping Position 65 in Boom Swing - Right 32.7 in Maximum Reach - Ground Level 185.4 in Maximum Blade Height 15.6 in Maximum Reach 190.9 in Boom Swing - Left 23.8 in Maximum Blade Depth 20.3 in O/A Shipping Height 97.6 in Maximum Dig Height 172.8 in Stick Length 49.6 in Tail Swing without Counterweight 30.5 in Boom In Reach 68.1 in Maximum Dump Clearance 120.9 in Swing Bearing - Height 22 in Vertical Wall 80.7 in O/A Undercarriage Length 79.1 in Ground Clearance 12.2 in Track Belt/Shoe Width 11.8 in Overall Shipping Length* 168.5 in Note *Overall Shipping Length depends on blade position during shipment. Tail Swing - with Extra Counterweight 35 in Track Width 61.8 in Tail Swing - with Light Counterweight 33.3 in -
Sustainability
Spec Value Recyclability 95%
Standard Equipment
ENGINE
- Cat® C1.1 Turbo Engine (U.S. EPA Tier 4 Final/EU Stage V)
- Automatic Engine Idle
- Automatic Engine Shutdown
- Automatic Two Speed Travel
- Fuel Water Separator
- Power on Demand (not available in all regions)
- Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
HYDRAULICS
- Smart Tech Electronic Pump
- Accumulator
- Automatic Swing Brake
- Auxiliary Hydraulic Lines
- One and Two Way Auxiliary Flow
- Continuous Auxiliary Flow
- Auxiliary Line Quick Disconnects
OPERATOR ENVIRONMENT
- Tilt-up Canopy or Tilt-Up Cab
- Top Guard ISO 10262:1998 Level I
- ROPS – ISO 12117-2:2008
- TOPS – ISO 12117:1997
- Stick Steer Mode
- Travel Cruise Control
- Control Pattern Changer (optional in some regions)
- Adjustable Wrist Rests
- Washable Floor Mat
- Travel Pedals and Hand Levers
- Machine Security
- Standard Key with Pass Code
- Fabric Suspension Seat (Cab only)
- Vinyl Suspension Seat (Canopy only)
- Hydraulic Lockout – All Controls
- Retractable High Visibility Seat Belt (75 mm/3 in)
- Coat Hook
- Cup Holder
- Storage Pocket
- Skylight
- Mounting Bosses for Front
- Signaling/Warning Horn
- Interior Light (Cab only)
- Boom Light, Halogen (not available in all regions)
- Utility Space for Mobile Phone
- Next Generation Color LCD Monitor (IP66)
– Fuel Level and Coolant Temperature Gauges
– Maintenance and Machine Monitoring
– Performance and Machine Adjustments
– Numeric Security Code
– Multiple Languages
– Hour Meter with Wake Up Switch
– Jog Dial (Cab only)
UNDERCARRIAGE
- Rubber Belt (300 mm/11.8 in wide)
- Dozer Blade
- Dozer Blade Float
- Tie Downs on Track Frame
BOOM, STICK AND LINKAGES
- One Piece Boom (2085 mm/82.1 in)
- Standard Stick (1060 mm/41.7 in)
- Front Shovel Capable
- Front Shovel Capable – Pin-On
- Thumb Ready (not available in all regions)
- Certified Lifting Eye (optional in some regions)
ELECTRICAL
- 12 Volt Battery
- Software (machine and monitor)
- Maintenance Free Battery
- Battery Disconnect
- Signaling/Warning Horn
- 12 Volt Power Socket
Optional Equipment
OPERATOR ENVIRONMENT
- Cab with Air Conditioning
- Cab with Heater
- No Travel Pedals and Hand Levers (optional in some regions)
- Push to Start with Key Fob/Pass Code
- Vinyl Non-Suspension Seat (Canopy only) (not available in all regions)
- LED Front Lights
- LED Front and Rear Lights
- LED Boom Light
- Mirrors Left and Right
- Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)
- Next Generation Advanced Monitor
– Touchscreen
– Site Reference System
– High Definition Camera Capable (IP68 and IP69K)
– Numeric Security Code
UNDERCARRIAGE
- Steel Track (300 mm/11.8 in wide)
BOOM, STICK AND LINKAGES
- Long Stick (1260 mm/49.6 in)
- Front Shovel Capable – Dual Lock Manual Coupler
- Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Bucket Divert Lines
- Boom Lowering Check Valve
- Stick Lowering Check Valve
- Hydraulic Quick Coupler Lines (not available in all regions)
ELECTRICAL
- Product Link PL243 (regulations apply)
- Product Link PLE643 (regulations apply)
- Travel Alarm (standard in some regions)
GUARDING
- Polycarbonate Half Height Front Guard (Canopy only)
- Polycarbonate Front Guard (ISO 10262 1998 Level I and EN356 P5A)
OTHER
- Bio Oil Capable
- Eco Drain
- Water Jacket Heater
- Light Counterweight (100 kg/221 lb)
- Extra Counterweight (250 kg/551 lb)
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