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303 CR Mini Hydraulic Excavator

Net Power

23.6 HP

Operating Weight

7,817 lb

Dig Depth

116.1 in

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SPECIFICATIONS

The Cat^® 303 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

61 in

Certification - Cab and Canopy

Top Guard

ISO 10262:1998 (Level I)

Roll Over Protective Structure (ROPS)

ISO 12117-2:2008

Tip Over Protective Structure (TOPS)

ISO 12117:1997

Dimensions - Long Stick

Dig Depth

116.1 in

Tail Swing without Counterweight

30.5 in

Boom Height - Shipping Position

75.6 in

Maximum Reach - Ground Level

201.2 in

Tail Swing with Counterweight

35 in

Track Belt/Shoe Width

11.8 in

Maximum Reach

206.3 in

Swing Bearing - Height

22.4 in

Boom In Reach

74.2 in

Maximum Blade Depth

21.1 in

Boom Swing - Right

34.3 in

Tail Swing

33.3 in

Maximum Dump Clearance

130.3 in

Stick Length

61.4 in

Ground Clearance

12.2 in

O/A Undercarriage Length

81.5 in

Overall Shipping Length*

179.5 in

O/A Shipping Height

97.6 in

Maximum Dig Height

183.1 in

Note

*Overall Shipping Length depends on blade position during shipment.

Maximum Blade Height

15.2 in

Boom Swing - Left

25.2 in

Vertical Wall

81.5 in

Track Width - Expanded

61 in

Dimensions - Standard Stick

Maximum Blade Depth

21.1 in

Note

*Overall Shipping Length depends on blade position during shipment.

Ground Clearance

12.2 in

O/A Undercarriage Length

81.5 in

Maximum Dig Height

177.6 in

Tail Swing without Counterweight

30.5 in

Boom Height - Shipping Position

63 in

Vertical Wall

71.7 in

Maximum Reach - Ground Level

190.2 in

Overall Shipping Length*

177.6 in

Maximum Reach

196.1 in

Boom Swing - Left

25.2 in

O/A Shipping Height

97.6 in

Track Shoe Width

61 in

Maximum Dump Clearance

124.8 in

Boom Swing - Right

34.3 in

Tail Swing with Extra Counterweight

35 in

Swing Bearing - Height

22.4 in

Track Belt/Shoe Width

11.8 in

Tail Swing

33.3 in

Boom In Reach

68.9 in

Maximum Blade Height

15.2 in

Stick Length

49.6 in

Dig Depth

104.3 in

Engine

Net Power

23.6 HP

Engine Model

C1.1 Turbo

Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC

23.6 HP

Note

Advertised power is tested per the specified standard in effect at the time of manufacture.

Bore

3 in

Gross Power - SAE J1995:2014

24.7 HP

Emissions

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

Displacement

69 in³

Stroke

3.2 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.

Gross Power - 2,400 rpm - SAE J1995:2014

24.7 HP

Hydraulic System

Operating Pressure - Equipment

3,553 psi

Auxiliary Circuit - Primary - Flow

17 gal/min

Digging Force - Stick - Long

3,327 lbf

Operating Pressure - Travel

3,553 psi

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump

Auxiliary Circuit - Secondary - Flow

7 gal/min

Auxiliary Circuit - Secondary - Pressure

3,553 psi

Digging Force - Stick - Standard

3,732 lbf

Digging Force - Bucket

6,385 lbf

Operating Pressure - Swing

2,553 psi

Pump Flow at 2,400 rpm

26 gal/min

Auxiliary Circuit - Primary - Pressure

3,553 psi

Note

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

Service Refill Capacities

Fuel Tank

11.9 gal (US)

Cooling System

1.1 gal (US)

Engine Oil

1.1 gal (US)

Hydraulic System

9.2 gal (US)

Hydraulic Tank

4.8 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

Boom Swing - Right

50 °

Machine Swing Speed

9 r/min

Boom Swing - Left

75 °

Travel System

Gradeability - Maximum

30 degrees

Ground Pressure - Maximum Weight

4.7 psi

Ground Pressure - Minimum Weight

4 psi

Travel Speed - High

2.8 mile/h

Maximum Traction Force - Low Speed

7,059 lbf

Travel Speed - Low

1.6 mile/h

Maximum Traction Force - High Speed

3,305 lbf

Weight Increase from Minimum Configuration

Steel Tracks

276 lb

Extra Counterweight

551 lb

Counterweight

221 lb

Cab

254 lb

Long Stick

55 lb

Weights

Operating Weight

7,817 lb

EU: CE Plate Weight with Cab***

7,012 lb

Maximum Operating Weight with Cab**

7,817 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 fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight.

Minimum Operating Weight with Canopy*

6,670 lb

Minimum Operating Weight with Cab*

6,924 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 Canopy**

7,552 lb

EU: CE Plate Weight with Canopy***

6,791 lb

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
GUARDING
- Top Guard ISO 10262:1998 Level I
OPERATOR ENVIRONMENT
- Tilt-up Canopy or Tilt-Up Cab
- ROPS – ISO 12117-2:2008
- TOPS – ISO 12117:1997
- Next Generation Advanced Monitor
  – Touch Screen
  – Site Reference System
  – High Definition Camera Capable (IP68 and IP69K)
  – Numeric Security Code
- 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)
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 (2200 mm/86.6 in)
- Standard Stick (1260 mm/49.6 in)
- Front Shovel Capable – Hydraulic Coupler
- 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)
- Seat Belt Reminder System
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)
ELECTRICAL
- Battery Disconnect
- Product Link PL243 (regulations apply)
- Product Link PLE643 (regulations apply)
- Travel Alarm (standard in some regions)
GUARDING
- Polycarbonate Front Guard (ISO 10262:1998 Level I and EN356 P5A)
- Polycarbonate Half Height Front Guard (Canopy only)
OTHER
- Bio Oil Capable
- Eco Drain
- Water Jacket Heater