Mini Excavators Inspired by Our Customers
The Cat® 303 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications. 303 CR Mini Hydraulic Excavator
Engine
Net Power: 23.6 hp
Engine Model: C1.1 Turbo
Net Power – 2,400 rpm – ISO 9249, 80/1269/EEC: 23.6 hp
Net Power – ISO 9249: 24.7 hp
Bore: 3 in
Stroke: 3.2 in
Displacement: 69 in³
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note
Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (1)
Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
Weights
Operating Weight: 7817 lb
Minimum Operating Weight with Canopy*: 6670 lb
Maximum Operating Weight with Canopy*: 7552 lb
Minimum Operating Weight with Cab*: 6924 lb
Maximum Operating Weight with Cab*: 7817 lb
EU: CE Plate Weight with Canopy*: 6791 lb
EU: CE Plate Weight with Cab*: 7012 lb
Note (1)
*Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, no bucket and extra counterweight.
Note (2)
**Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, no bucket and extra counterweight.
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.
Travel System
Travel Speed – High: 2.8 mile/h
The Travel Speed – Low: 1.6 mile/h
Maximum Traction Force – High Speed: 3305 lbf
Maximum Traction Force – Low Speed: 7059 lbf
Ground Pressure – Minimum Weight: 4 psi
Ground Pressure – Maximum Weight: 4.7 psi
Gradeability – Maximum: 30 degrees
Service Refill Capacities
Cooling System: 1.1 gal (US)
Engine Oil: 1.1 gal (US)
Fuel Tank: 11.9 gal (US)
The Hydraulic Tank: 4.8 gal (US)
Hydraulic System: 9.2 gal (US)
Hydraulic System
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm: 26 gpm
Operating Pressure – Equipment: 3553 psi
The Operating Pressure – Travel: 3553 psi
Operating Pressure – Swing: 2553 psi
Auxiliary Circuit – Primary – Flow: 17 gpm
Our Auxiliary Circuit – Primary – Pressure: 3553 psi
Auxiliary Circuit – Secondary – Flow: 7 gpm
These Auxiliary Circuit – Secondary – Pressure: 3553 psi
Digging Force – Stick – Standard: 3732 lbf
These Digging Force – Stick – Long: 3327 lbf
Digging Force – Bucket: 6385 lbf
Note
* Flow and pressure are not combinable. Under load, as flow rises pressure goes down. 303 CR Mini Hydraulic Excavator
Dimensions – Standard Stick
Dig Depth: 104.3 in
Vertical Wall: 71.7 in
Maximum Reach – Ground Level: 190.2 in
The Maximum Reach: 196.1 in
Our Maximum Dig Height: 177.6 in
Maximum Dump Clearance: 124.8 in
Boom In Reach: 68.9 in
Tail Swing without Counterweight: 30.5 in
Tail Swing with Extra Counterweight: 35 in
Maximum Blade Depth: 21.1 in
Maximum Blade Height: 15.2 in
Boom Height – Shipping Position: 63 in
O/A Shipping Height: 97.6 in
Swing Bearing – Height: 22.4 in
O/A Undercarriage Length: 81.5 in
Overall Shipping Length*: 177.6 in
Boom Swing – Right: 34.3 in
Boom Swing – Left: 25.2 in
Track Belt/Shoe Width: 11.8 in
Minimum Ground Clearance Below Undercarriage: 12.2 in
Stick Length: 49.6 in
Note
*Overall Shipping Length depends on blade position during shipment.
Standard Equipment
ENGINE
Cat C1.1 Turbo Engine (U.S. EPA Tier 4 Final/EU Stage V)
Cat C1.1 Turbo Engine (U.S. EPA Tier 4 Final/EU Stage V)
Automatic Engine Idle
The Automatic Engine Idle
Automatic Engine Shutdown
Our Automatic Engine Shutdown
Automatic Two Speed Travel
Automatic Two Speed Travel
Fuel Water Separator
Fuel Water Separator
Power on Demand (not available in all regions)
Power on Demand (not available in all regions)
Variable Displacement Piston Pump
Variable Displacement Piston Pump
Load Sensing/Flow Sharing Hydraulics
Load Sensing/Flow Sharing Hydraulics
HYDRAULICS
Smart Tech Electronic Pump
Accumulator
Smart Tech Electronic Pump
Automatic Swing Brake
Accumulator
Auxiliary Line Quick Disconnects
Automatic Swing Brake
One and Two Way Auxiliary Flow
Auxiliary Hydraulic Lines
Continuous Auxiliary Flow
One and Two Way Auxiliary Flow
Auxiliary Hydraulic Lines
Continuous Auxiliary Flow
Auxiliary Line Quick Disconnects
GUARDING
Top Guard ISO 10262:1998 Level I
ROPS – ISO 12117-2:2008
TOPS – ISO 12117:1997
Top Guard ISO 10262:1998 (Level I)
OPERATOR ENVIRONMENT
Tilt-up Canopy or Tilt-Up Cab
Stick Steer Mode
Tilt-up Canopy or Tilt-Up Cab
Travel Cruise Control
Control Pattern Changer (optional in some regions)
ROPS – ISO 12117-2:2008
Adjustable Wrist Rests
TOPS – ISO 12117:1997
Washable Floor Mat
Next Generation Advanced Monitor
– Touch Screen
– Site Reference System
– High Definition Camera Capable (IP68 and IP69K)
– Numeric Security Code
Travel Pedals and Hand Levers
Stick Steer Mode
Machine Security
Travel Cruise Control
Machine Security – Standard Key with Pass Code
Control Pattern Changer (optional in some regions)
Fabric Suspension Seat (Cab only)
Adjustable Wrist Rests
Vinyl Suspension Seat (Canopy only)
Washable Floor Mat
Hydraulic Lockout – All Controls
Travel Pedals and Hand Levers
Retractable High Visibility Seat Belt (75 mm/3 in)
Machine Security
Coat Hook
Machine Security – Standard Key with Pass Code
Cup Holder
Fabric Suspension Seat (Cab only)
Storage Pocket
Vinyl Suspension Seat (Canopy only)
Skylight
Hydraulic Lockout – All Controls
Mounting Bosses for Front
Retractable High Visibility Seat Belt (75 mm/3 in)
Signaling/Warning Horn
Coat Hook
Interior Light (Cab only)
Cup Holder
Boom Light, Halogen (not available in all regions)
Storage Pocket
Utility Space for Mobile Phone
Skylight
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)
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
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
Front Shovel Capable – Pin-On
Thumb Ready (not available in all regions)
Certified Lifting Eye (optional in some regions)
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
Lock Out/Tag Out Battery Disconnect
Signaling/Warning Horn
12 Volt Power Socket
12 Volt Battery
Software (machine and monitor)
Maintenance Free Battery
Signaling/Warning Horn
12 Volt Power Socket 303 CR Mini Hydraulic Excavator
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