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303.5 CR Mini Hydraulic Excavator

Net Power

23.6 HP

Operating Weight

9,239 lb

Dig Depth

122.4 in

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SPECIFICATIONS

The Cat^® 303.5 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

FULL SPECIFICATIONS

Blade

Height

13.8 in

Width

70.1 in

Certification - Cab and Canopy

Tip Over Protective Structure (TOPS)

ISO 12117:1997

Roll Over Protective Structure (ROPS)

ISO 12117-2:2008

Top Guard

ISO 10262:1998 (Level I)

Dimensions (Approximate) - Long Stick

Tail Swing with Extra Counterweight

39.6 in

Dimensions (Approximate) - Standard Stick

Tail Swing with Extra Counterweight

39.6 in

Dimensions - Long Stick

Dig Depth

122.4 in

Tail Swing with Counterweight

37.8 in

Track Belt/Shoe Width

11.8 in

Note

*Overall Shipping Length depends on blade position during shipment.

Maximum Reach

216.9 in

O/A Track Width

70.1 in

Maximum Dig Height

197.6 in

Maximum Blade Depth

21.1 in

Tail Swing without Counterweight

35 in

Boom Swing - Right

34.3 °

O/A Shipping Height

97.6 in

Stick Length

61.4 in

Swing Bearing - Height

22.2 in

Boom In Reach

73.2 in

Vertical Wall

94.1 in

Boom Swing - Left

640 mm

Boom Height - Shipping Position

68.9 in

Overall Shipping Length*

190.9 in

Maximum Blade Height

15.2 in

O/A Undercarriage Length

87.4 in

Maximum Reach - Ground Level

211.8 in

Maximum Dump Clearance

141.7 in

Ground Clearance

12.2 in

Dimensions - Standard Stick

Boom Swing - Right

34.3 °

Tail Swing with Counterweight

37.8 in

O/A Shipping Height

97.6 in

Tail Swing with Extra Counterweight

39.6 in

Stick Length

49.6 in

Vertical Wall

88.6 in

Tail Swing without Counterweight

35 in

Maximum Reach - Ground Level

202 in

Boom Swing - Left

25.2 °

Maximum Reach

207.5 in

Overall Shipping Length*

189 in

Track Belt/Shoe Width

11.8 in

Boom In Reach

69.3 in

Maximum Dump Clearance

137.4 in

Note

*Overall Shipping Length depends on blade position during shipment.

Swing Bearing - Height

22.2 in

Maximum Dig Height

193.7 in

Boom Height - Shipping Position

59.8 in

Dig Depth

110.6 in

O/A Undercarriage Length

87.4 in

Maximum Blade Depth

21.1 in

Maximum Blade Height

15.2 in

Ground Clearance

12.2 in

Engine

Net Power

23.6 HP

Engine Model

C1.7

Emissions

Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.

Bore

3.3 in

Note (2)

Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.

Note

Net power is tested per ISO 9249 and 80/1269/EEC.

Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269

23.6 HP

Stroke

3.9 in

Gross Power - 2,400 rpm - SAE J1995

24.7 HP

Displacement

104 in³

Hydraulic System

Auxiliary Circuit - Secondary - Flow

7 gal/min

Operating Pressure - Equipment

3,553 psi

Digging Force - Stick - Standard

4,249 lbf

Pump Flow at 2,400 rpm

26 gal/min

Auxiliary Circuit - Primary - Flow

18 gal/min

Digging Force - Stick - Long

3,799 lbf

Digging Force - Bucket

7,419 lbf

Operating Pressure - Travel

3,553 psi

Operating Pressure - Swing

2,625 psi

Auxiliary Circuit - Primary - Pressure

3,553 psi

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump

Auxiliary Circuit - Secondary - Pressure

3,553 psi

Note

*Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Service Refill Capacities

Cooling System

1.8 gal (US)

Fuel Tank

11.9 gal (US)

Engine Oil

1.6 gal (US)

Hydraulic Tank

5.3 gal (US)

Hydraulic System

11.9 gal (US)

Sound

Average Exterior Sound Pressure (ISO 6395:2008)

94 dB(A)

Note

European Union Directive ‚ "2000/14/EC"

Operator Sound Pressure (ISO 6396:2008)

78 dB(A)

Sustainability

Recyclability

95%

Swing System

Machine Swing Speed

9 r/min

Boom Swing - Left

75 °

Boom Swing - Right

50 °

Travel System

Ground Pressure - Maximum Weight

5.2 psi

Ground Pressure - Minimum Weight

4.3 psi

Maximum Traction Force - High Speed

3,799 lbf

Travel Speed - Low

1.6 mile/h

Maximum Traction Force - Low Speed

6,969 lbf

Travel Speed - High

2.8 mile/h

Gradeability - Maximum

30 degrees

Weight Increase from Minimum Configuration

Cab

309 lb

Counterweight

221 lb

Long Stick

44 lb

Steel Tracks

287 lb

Extra Counterweight

551 lb

Angle Blade

353 lb

Weights

Operating Weight

9,239 lb

EU: CE Plate Weight with Canopy***

7,784 lb

Note (1)

* Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight.

Minimum Operating Weight with Canopy*

7,673 lb

Minimum Operating Weight with Cab*

7,982 lb

EU: CE Plate Weight with Cab***

8,004 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.

Maximum Operating Weight with Cab**

9,239 lb

Note (2)

**Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight.

Maximum Operating Weight with Canopy**

8,930 lb

STANDARD EQUIPMENT

ENGINE
- Cat C1.7 NA 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
- 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
- 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)
  
  Next Generation Advanced Monitor (Optional)
  – 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
UNDERCARRIAGE
- Rubber Belt (300 mm/11.8 in wide)
- Dozer Blade
- Dozer Blade Float
- Angle Blade
- Tie Downs on Track Frame
BOOM, STICK AND LINKAGES
- One Piece Boom (2400 mm/94.5 in)
- Standard Stick (1260 mm/49.6 in)
- 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
- Signaling/Warning Horn
- 12 Volt Power Socket

OPTIONAL EQUIPMENT

OPERATOR ENVIRONMENT
- Cab with Air Conditioning
- Cab with Heater
- Control Pattern Changer (optional in some regions)
- No Travel Pedals and Hand Levers
- Machine Security – Push to Start with Key Fob/Pass Code
- Vinyl Non-Suspension Seat (Canopy only)
- LED Front Lights
- LED Front and Rear Lights
- LED Boom Light
- Mirrors Left and Right
- Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)
UNDERCARRIAGE
- Steel Track (300 mm/11.8 in wide)
BOOM, STICK AND LINKAGES
- Long Stick (1560 mm/61.4 in)
- Front Shovel Capable – Dual Lock Manual Coupler
- Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Boom Lowering Check Valve
- Stick Lowering Check Valve
- Hydraulic Quick Coupler Lines (not available in all regions)
- Front Shovel Capable – Hydraulic Coupler
ELECTRICAL
- Battery Disconnect
- Product Link PL243 (regulations apply)
- Product Link PLE643 (regulations apply)
- Travel Alarm (standard in some regions)
GUARDING
- Guard, Canopy
- Guard, Mesh
OTHER
- Bio Oil Capable
- Eco Drain
- Water Jacket Heater