303E CR Mini Hydraulic Excavator

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The Cat® 303E CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.

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Bore 3.1in
Displacement 77in³
Engine Model Cat C1.3
Gross Power 24.8HP
Gross Power - ISO 14396 24.8HP
Net Power 23.5HP
Note Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 23.5HP
Stroke 3.5in
Note Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight - With Cab 7204lb
Operating Weight - With Canopy 6721lb
Boom Height in Shipping Position 63in
Boom In Reach 79in
Boom Swing Left 24in
Boom Swing Right 32in
Dig Depth 117in
Maximum Blade Depth 19in
Maximum Blade Height 16in
Maximum Dig Height 167in
Maximum Dump Clearance 117in
Maximum Reach 198in
Maximum Reach - Ground Level 193in
Overall Shipping Height 98in
Overall Shipping Length 198in
Overall Track Width 61in
Overall Undercarriage Length 82in
Swing Bearing Height 22in
Tail Swing 31in
Tail Swing with Extra Counterweight 35in
Track Belt/Shoe Width 12in
Vertical Wall 69in
Boom Swing - Left* 80°
Boom Swing - Right 50°
Machine Swing Speed 9r/min
Note *Automatic swing brake, spring applied, hydraulic release.
Dig Depth 19in
Height 13in
Lift Height 16in
Width 60in
Gradeability (< 10 minutes Operation) 30°
Gradeability - Continuous Operation 20°
Ground Pressure - Cab Long Stick 4.8psi
Ground Pressure - Cab Standard Stick 4.7psi
Ground Pressure - Canopy Long Stick 4.5psi
Ground Pressure - Canopy Standard Stick 4.4psi
Ground Pressure with Cab - Long Stick, Optional Counterweight 5.2psi
Ground Pressure with Cab - Standard Stick, Optional Counterweight 5.1psi
Ground Pressure with Canopy - Long Stick, Optional Counterweight 4.9psi
Ground Pressure with Canopy - Standard Stick, Optional Counterweight 4.8psi
Maximum Traction Force - High Speed 3417lbf
Maximum Traction Force - Low Speed 6947lbf
Travel Speed - High 2.8mile/h
Travel Speed - Low 1.5mile/h
Blade Down - Front 1632lb
Blade Down - Side 750lb
Blade Up - Front 904lb
Blade Up - Side 662lb
Note *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Liftin
Auxiliary Circuit - Primary (186 bar/2,697 psi) 15.9gal/min
Auxiliary Circuit - Secondary (174 bar/2,523 psi) 7.1gal/min
Digging Force - Bucket 6385lbf
Digging Force - Stick - Long 3327lbf
Digging Force - Stick - Standard 3732lbf
Operating Pressure - Equipment 3553psi
Operating Pressure - Swing 2625psi
Operating Pressure - Travel 3553psi
Pump Flow at 2,400 rpm 23.1gal/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight with Cab - Long Stick 7296lb
Operating Weight with Cab - Long Stick, Optional Counterweight 7883lb
Operating Weight with Cab - Standard Stick 7204lb
Operating Weight with Cab - Standard Stick, Optional Counterweight 7790lb
Operating Weight with Canopy - Long Stick 6813lb
Operating Weight with Canopy - Long Stick, Optional Counterweight 7400lb
Operating Weight with Canopy - Standard Stick 6721lb
Operating Weight with Canopy - Standard Stick, Optional Counterweight 7307lb
Boom Height in Shipping Position 63in
Boom In Reach 83in
Boom Swing Left 24in
Boom Swing Right 32in
Dig Depth 108in
Maximum Blade Depth 19in
Maximum Blade Height 16in
Maximum Dig Height 178in
Maximum Dump Clearance 124in
Maximum Reach 195in
Maximum Reach - Ground Level 189in
Overall Shipping Height 98in
Overall Shipping Length 176in
Overall Track Width 60in
Overall Undercarriage Length 82in
Swing Bearing Height 22in
Tail Swing 31in
Tail Swing with Extra Counterweight 35in
Track Belt/Shoe Width 12in
Vertical Wall 77in
Blade Down - Front 2580lb
Blade Down - Side 1191lb
Blade Up - Front 1433lb
Blade Up - Side 1080lb
Note *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Liftin
Machine Overhang 0in
Machine Overhang with Counterweight 5in
Stick Length - Long 61in
Stick Length - Standard 50in
Cooling System 1.2gal (US)
Engine Oil 1.5gal (US)
Fuel Tank 11.9gal (US)
Hydraulic System 17.2gal (US)
Hydraulic Tank 12.4gal (US)
Number of Carrier Rollers 1
Number of Track Rollers 4
Track Roller Type Center Flange
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
Top Guard ISO 10262:1998 (Level I)

Standard Equipment:

  • Standard Equipment
    • 1-way and 2-way (combined function) auxiliary hydraulic lines
    • Lockable storage box
    • Cab mounted work light
    • Travel alarm (optional in Europe)
    • Dozer blade with float function
    • Suspension seat, vinyl covered
    • Automatic two speed travel
    • Horn
    • Lifting eye on bucket linkage (standard equipment for all regions except Europe)
    • Alternator
    • Product Link
    • Cup holder
    • Control pattern changer
    • Coat hook
    • Standard stick
    • Low maintenance linkage pin joints
    • Gauges or indicators for fuel level engine coolant temperature, hour meter, engine oil pressure, air cleaner, alternator and glow plugs, service interval
    • Rubber track
    • Canopy with Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
    • Hydraulic oil cooler
    • Auxiliary line quick disconnects
    • Retractable seatbelt
    • Boom cylinder guard
    • Maintenance free battery
    • Adjustable armrests
    • “Thumb ready” sticks
    • Automatic swing park brake
    • Foot travel pedals

Optional Equipment:

  • Optional Equipment
    • Mirrors for cab and canopy
    • Steel track
    • Cab, Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
    • Mechanical quick coupler
    • Boom mounted light
    • High back suspension seat, fabric covered
    • Beacon socket for canopy machines
Renee HerndonRenee Herndon
21:55 29 Feb 24
Dalton was very helpful, The road construction, however, was not! 😂I would rather have to sand paper an alligators @$$ in a phone booth that to get in that mess again.
Michael BirrenMichael Birren
14:58 24 Feb 24
I purchased a used C-15 from a customer of Greg Pool was a running take out. I picked up the engine from the Greg Pool Cat near Nags Head NC. They started they had done all service on this engine stated the hours and all items replaced during the life of engine under their care. I just recently put the engine in my boat after 2 years of building the vessel I find that everything they said about the engine was a LIE!!! Turbo was Bad, After cooler was not updated to the newer version for the C-15 it was missing a terminal Resistor that was clearly stolen off the engine which created a major issue with start up upon installation. Greg Pool Caterpillar stated the hours at 3300 we find out there were 5700 hours. I didn’t do a start up or test run which I regret because i was dealing with a Caterpillar dealer i thought i could trust them. Clearly not Buyers Be Ware if your dealing with Greg Pool Caterpillar in NC. I have 3 of the C-15 engines in my Work boats here in Tampa Fl and my Cat dealership here is Ring power who have done an amazing job to get me going with this Engine. I am very Disappointed in The Caterpillar company for allowing such A dealership to exist.
David LawrenceDavid Lawrence
13:04 22 Feb 24
Brandon PierceBrandon Pierce
22:00 18 Feb 24
Darin NoeDarin Noe
01:17 16 Feb 24
Jose SotoJose Soto
15:26 23 Sep 23
Hunter ElliottHunter Elliott
16:17 07 Sep 23
Rick Kelly-CrapseRick Kelly-Crapse
21:06 25 Aug 23
They had all my parts for my 3208 Cat.Friendly folks at parts counter.
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