Skip to content
303 CR Mini Hydraulic Excavator

303 CR Mini Hydraulic Excavator

Mini Excavators Inspired by Our Customers

More Comfort ā€“ More Performance ā€“ More Versatility

  • 4 Industry First Features

    Cat Exclusives in a Mini Excavator

  • Up to 5% Lower Total Ownership Costs

    with more common parts, lower repair costs and tilt up cab

  • Up to 10% More Performance

    with programmable operator settings and faster cyle times

Engine

Bore 3 in
Displacement 69 inĀ³
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Engine Model C1.1 Turbo
Gross Power - 2,400 rpm - SAE J1995:2014 24.7 HP
Net Power 23.6 HP
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.
Stroke 3.2 in

Weights

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

Dimensions - Long Stick

Boom Height - Shipping Position 75.6 in
Boom In Reach 74.2 in
Boom Swing - Left 25.2 in
Boom Swing - Right 34.3 in
Dig Depth 116.1 in
Ground Clearance 12.2 in
Maximum Blade Depth 21.1 in
Maximum Blade Height 15.2 in
Maximum Dig Height 183.1 in
Maximum Dump Clearance 130.3 in
Maximum Reach 206.3 in
Maximum Reach - Ground Level 201.2 in
Note *Overall Shipping Length depends on blade position during shipment.
O/A Shipping Height 97.6 in
O/A Undercarriage Length 81.5 in
Overall Shipping Length* 179.5 in
Stick Length 61.4 in
Swing Bearing - Height 22.4 in
Tail Swing 33.3 in
Tail Swing with Counterweight 35 in
Tail Swing without Counterweight 30.5 in
Track Belt/Shoe Width 11.8 in
Track Width - Expanded 61 in
Vertical Wall 81.5 in

Blade

Height 13.8 in
Width 61 in

Dimensions - Standard Stick

Boom Height - Shipping Position 63 in
Boom In Reach 68.9 in
Boom Swing - Left 25.2 in
Boom Swing - Right 34.3 in
Dig Depth 104.3 in
Ground Clearance 12.2 in
Maximum Blade Depth 21.1 in
Maximum Blade Height 15.2 in
Maximum Dig Height 177.6 in
Maximum Dump Clearance 124.8 in
Maximum Reach 196.1 in
Maximum Reach - Ground Level 190.2 in
Note *Overall Shipping Length depends on blade position during shipment.
O/A Shipping Height 97.6 in
O/A Undercarriage Length 81.5 in
Overall Shipping Length* 177.6 in
Stick Length 49.6 in
Swing Bearing - Height 22.4 in
Tail Swing 33.3 in
Tail Swing with Extra Counterweight 35 in
Tail Swing without Counterweight 30.5 in
Track Belt/Shoe Width 11.8 in
Track Shoe Width 61 in
Vertical Wall 71.7 in

Swing System

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

Sound

Average Exterior Sound Pressure (ISO 6395:2008) 94 dB(A)
Note European Union Directive ā€œ2000/14/ECā€
Operator Sound Pressure (ISO 6396:2008) 78 dB(A)

Hydraulic System

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

Travel System

Gradeability - Maximum 30 degrees
Ground Pressure - Maximum Weight 4.7 psi
Ground Pressure - Minimum Weight 4 psi
Maximum Traction Force - High Speed 3305 lbf
Maximum Traction Force - Low Speed 7059 lbf
Travel Speed - High 2.8 mile/h
Travel Speed - Low 1.6 mile/h

Service Refill Capacities

Cooling System 1.1 gal (US)
Engine Oil 1.1 gal (US)
Fuel Tank 11.9 gal (US)
Hydraulic System 9.2 gal (US)
Hydraulic Tank 4.8 gal (US)

Weight Increase from Minimum Configuration

Cab 254 lb
Counterweight 221 lb
Extra Counterweight 551 lb
Long Stick 55 lb
Steel Tracks 276 lb

Certification - Cab and Canopy

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

Sustainability

Recyclability 95%

Download resources

303 CR Small Product Brochure (Global except China and Japan)
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
Attachment Compatibility Guide for Mini Excavators
Cat Attachments for Mini Excavators Brochure

Get info about our financing options

Get The best solution for your job site needs

Let us help.

Name(Required)
Untitled

Related Products

490 mm (19 in) Ripper
490 mm (19 in) Ripper
Hydraulic Dual Lockā„¢ Pin Grabber Coupler For 3-4 Ton Mini Excavators
Hydraulic Dual Lockā„¢ Pin Grabber Coupler For 3-4 Ton Mini Excavators
914 mm (36 in) Heavy Duty Bucket
914 mm (36 in) Heavy Duty Bucket
619 mm (24 in) Heavy Duty Bucket
619 mm (24 in) Heavy Duty Bucket
508 mm (20 in) Heavy Duty Bucket
508 mm (20 in) Heavy Duty Bucket
406 mm (16 in) Heavy Duty Bucket
406 mm (16 in) Heavy Duty Bucket
305 mm (12 in) Heavy Duty Bucket
305 mm (12 in) Heavy Duty Bucket
1400 mm (55 in) Ditch Cleaning Bucket
1400 mm (55 in) Ditch Cleaning Bucket
1200 mm (47 in) Ditch Cleaning Bucket
1200 mm (47 in) Ditch Cleaning Bucket
1000 mm (39 in) Ditch Cleaning Bucket
1000 mm (39 in) Ditch Cleaning Bucket
A41 Auger
A41 Auger
A23
A23

Call us today: 1-877-778-2230
orĀ  Send us a message