303 CR Mini Hydraulic Excavator |

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Caterpillar

303 CR Mini Hydraulic Excavator

Net Power

23.6 hp

Operating Weight

7817 lb

Dig Depth

116.1 in

Overview

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
303 CR Mini Hydraulic Excavator
303 CR Mini Hydraulic Excavator
303 CR Mini Hydraulic Excavator
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303 CR Mini Hydraulic Excavator

See the new Cat 302.7 CR, 303 CR and 303.5 CR Mini Excavators in action.
Learn about the features and benefits of the new Cat 302.7 CR, 303 CR and 303.5 CR Mini Excavators.
Easy to read monitor lets you adjust machine settings to your operating preference.
Learn about the the differences between the Cat 302.7 CR, 303 CR and 303.5 CR Next Generation Mini Excavators so that you can select the correct model for your application needs.

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Features

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 lets 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 with optional seat belt reminder system 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)

Specifications

Engine

Spec	Value
Net Power	23.6 hp 17.6 kW
Engine Model	C1.1 Turbo C1.1 Turbo
Bore	3 in 77 mm
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC	23.6 hp 17.6 kW
Emissions	Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Stroke	3.2 in 81 mm
Note	Advertised power is tested per the specified standard in effect at the time of manufacture.
Displacement	69 in³ 1.1 l
Gross Power - 2,400 rpm - SAE J1995:2014	24.7 hp 18.4 kW

Weights

Spec	Value
Operating Weight	7817 lb 3545 kg
Note (1)	*Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight.
EU: CE Plate Weight with Canopy***	6791 lb 3080 kg
Minimum Operating Weight with Canopy*	6670 lb 3025 kg
Minimum Operating Weight with Cab*	6924 lb 3140 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.
Maximum Operating Weight with Canopy**	7552 lb 3425 kg
EU: CE Plate Weight with Cab***	7012 lb 3180 kg
Maximum Operating Weight with Cab**	7817 lb 3545 kg
Note (2)	**Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight.

Dimensions - Long Stick

Spec	Value
Dig Depth	116.1 in 2950 mm
Boom Height - Shipping Position	75.6 in 1920 mm
Tail Swing with Counterweight	35 in 890 mm
Track Belt/Shoe Width	11.8 in 300 mm
Maximum Reach	206.3 in 5240 mm
Boom In Reach	74.2 in 1910 mm
Boom Swing - Right	34.3 in 870 mm
Tail Swing	33.3 in 845 mm
Maximum Dump Clearance	130.3 in 3310 mm
Ground Clearance	12.2 in 310 mm
O/A Undercarriage Length	81.5 in 2070 mm
O/A Shipping Height	97.6 in 2480 mm
Track Width - Expanded	61 in 1550 mm
Maximum Blade Depth	21.1 in 535 mm
Maximum Reach - Ground Level	201.2 in 5110 mm
Stick Length	61.4 in 1560 mm
Overall Shipping Length*	179.5 in 4560 mm
Maximum Dig Height	183.1 in 4650 mm
Swing Bearing - Height	22.4 in 570 mm
Note	*Overall Shipping Length depends on blade position during shipment.
Tail Swing without Counterweight	30.5 in 775 mm
Maximum Blade Height	15.2 in 385 mm
Boom Swing - Left	25.2 in 640 mm
Vertical Wall	81.5 in 2070 mm

Blade

Spec	Value
Height	13.8 in 350 mm
Width	61 in 1550 mm

Dimensions - Standard Stick

Spec	Value
Maximum Blade Depth	21.1 in 535 mm
Tail Swing without Counterweight	30.5 in 775 mm
Maximum Dig Height	177.6 in 4510 mm
O/A Undercarriage Length	81.5 in 2070 mm
Boom Height - Shipping Position	63 in 1600 mm
Vertical Wall	71.7 in 1820 mm
Overall Shipping Length*	177.6 in 4510 mm
Boom Swing - Left	25.2 in 640 mm
O/A Shipping Height	97.6 in 2480 mm
Track Shoe Width	61 in 1550 mm
Boom Swing - Right	34.3 in 870 mm
Tail Swing with Extra Counterweight	35 in 890 mm
Swing Bearing - Height	22.4 in 570 mm
Tail Swing	33.3 in 845 mm
Maximum Blade Height	15.2 in 385 mm
Dig Depth	104.3 in 2650 mm
Maximum Dump Clearance	124.8 in 3170 mm
Maximum Reach - Ground Level	190.2 in 4830 mm
Maximum Reach	196.1 in 4980 mm
Ground Clearance	12.2 in 310 mm
Track Belt/Shoe Width	11.8 in 300 mm
Boom In Reach	68.9 in 1750 mm
Stick Length	49.6 in 1260 mm
Note	*Overall Shipping Length depends on blade position during shipment.

Swing System

Spec	Value
Boom Swing - Right	50 ° 50 °
Machine Swing Speed	9 r/min 9 r/min
Boom Swing - Left	75 ° 75 °

Sound

Spec	Value
Average Exterior Sound Pressure (ISO 6395:2008)	94 dB(A) 94 dB(A)
Operator Sound Pressure (ISO 6396:2008)	78 dB(A) 78 dB(A)
Note	European Union Directive “2000/14/EC”

Hydraulic System

Spec	Value
Auxiliary Circuit - Primary - Flow	17 gal/min 65 l/min
Auxiliary Circuit - Secondary - Pressure	3553 psi 245 bar
Operating Pressure - Swing	2553 psi 176 bar
Pump Flow at 2,400 rpm	26 gal/min 100 l/min
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Standard	3732 lbf 16.6 kN
Operating Pressure - Travel	3553 psi 245 bar
Digging Force - Bucket	6385 lbf 28.4 kN
Operating Pressure - Equipment	3553 psi 245 bar
Auxiliary Circuit - Primary - Pressure	3553 psi 245 bar
Auxiliary Circuit - Secondary - Flow	7 gal/min 25 l/min
Digging Force - Stick - Long	3327 lbf 14.8 kN
Note	* Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Travel System

Spec	Value
Gradeability - Maximum	30 degrees 30 degrees
Ground Pressure - Maximum Weight	4.7 psi 32.3 kPa
Ground Pressure - Minimum Weight	4 psi 27.6 kPa
Travel Speed - High	2.8 mile/h 4.5 km/h
Maximum Traction Force - Low Speed	7059 lbf 31.4 kN
Travel Speed - Low	1.6 mile/h 2.6 km/h
Maximum Traction Force - High Speed	3305 lbf 14.7 kN

Service Refill Capacities

Spec	Value
Cooling System	1.1 gal (US) 4 l
Hydraulic Tank	4.8 gal (US) 18 l
Engine Oil	1.1 gal (US) 4 l
Fuel Tank	11.9 gal (US) 45 l
Hydraulic System	9.2 gal (US) 35 l

Weight Increase from Minimum Configuration

Spec	Value
Counterweight	221 lb 100 kg
Cab	254 lb 115 kg
Steel Tracks	276 lb 125 kg
Long Stick	55 lb 25 kg
Extra Counterweight	551 lb 250 kg

Certification - Cab and Canopy

Spec	Value
Roll Over Protective Structure (ROPS)	ISO 12117-2:2008 ISO 12117-2:2008
Top Guard	ISO 10262:1998 (Level I) ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS)	ISO 12117:1997 ISO 12117:1997

Sustainability

Spec	Value
Recyclability	95% 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

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

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Features

ALL DAY COMFORT

EASY TO OPERATE

STICK STEER TRAVEL MODE

BIG PERFORMANCE IN A COMPACT DESIGN

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