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303E CR CAT
Mini Hydraulic Excavator
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Engine Weight
Gross Power 18.5 kW 24.8 hp Operating Weight with Canopy 3310 kg 7,297 lb
Net Power 17.5 kW 23.5 hp Operating Weight with Cab 3530 kg 7,782 lb
EFTA01223108
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.
Contents
Solid Performance in a Small Package 4
Productivity and Durability 5
Superior Operating Experience 6
Simple Service and Maintenance Access 7
Unmatched Support and Solutions 8
Specifications 9
Standard and Optional Equipment 11
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Solid Performance in a Small Package
Compact and efficient design provides superior power.
Compact Radius Transport Fuel Economy
The 303E allows you to easily reposition With an operating weight of 3200 kg Powered by the C1.3 engine, the 303E
within a confined space and increase your (7,055 lb) and width of 1550 mm (60 in) the offers the performance and power
overall productivity. Proficient movement 303E is simple to load and position on a required for your job with minimal fuel
is enhanced as a result of the limited trailer with tie down points — getting you consumption.
tailswing and swing boom design. to the job site quicker.
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Productivity and Durability
Designed for reliability.
Auxiliary Hydraulics
The 303E is ready to work. Hammer and two way lines with quick disconnect fittings are standard on every machine.
The quick disconnects are located close to the tool to reduce hose length and decrease owning and operating costs associated
with hose replacement.
Hose routings provide superior protection and cylinder guards decrease opportunity for machine damage.
Thumb Ready Stick
The machine is configured with brackets and relief valves for simple and cost effective mounting of a hydraulic thumb.
Dozer Blade
The durable blade and dozer float function provide the required design and capability to increase overall efficiency.
Ground leveling and finishing applications are fast and easy with a single lever controlling all blade operation — up, down
and float.
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Spacious and Ergonomic Working Environment
Your safety and comfort is incorporated into the design of every Cat machine.
The adjustable suspension seat, retractable seat belt and adjustable wrist rests
allow you to customize the operating station to meet your needs. Ergonomically
designed joystick control and travel levers reduce fatigue and improve productivity.
An easy to use pattern control selector and informative gauge panel ensure
optimal operation.
Cat Interlock System aids in job site safety. When the hydraulic lockout lever
is in the up position no operational function is possible — including travel.
Travel alarm as standard safety offering. An audible alarm alerts job site
operators of machine travel (optional in Europe).
ROPS/TOPS/TOP GUARD certification ensures the machine is prepared to
protect you.
'Cab unit includes sliding door and openable front window/removable lower window
Superior Operating Experience
Safety and comfort all day.
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Simple Service and Maintenance Access
Low cost of ownership.
Easy Maintenance Access and
Extended Service Intervals
Ease of access to daily maintenance check points ensures your
machine is in prime condition to complete any task.
Engine and hydraulic hoods are simple to open and offer
outstanding visibility and convenience to check points.
500 hour engine oil and fitter change period reduces operating
costs and machine downtime.
Easy access to the engine oil check and fill, vertically mounted
engine oil fitter, starter motor and afternator, as well as the
radiator and oil cooler all result in simplified cleaning and
reduced maintenance times.
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Unmatched Support and Solutions
Equipment, service and attachments to meet your needs.
Customized Solutions for Any Application
A range of tools is available to take advantage of the machine's
versatility. All tools are matched to the machine to optimize
performance and deliver excellent value through high
productivity and long life.
Customer Support You Can Count on
Your Cat dealer is ready to assist you with your
purchase decision and everything after.
Financing packages are flexible to meet your needs.
Superior parts availability keeps you working.
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303E CR Mini Hydraulic Excavator Specifications
Swing System
Engine Model Cat CI .3 Nlachine Swing Speed 9 rpm
Rated Net Power @ 2,400 rpm Boom Swing - Left• 80°
ISO 9249/EEC 80/1269 17.5 kW 23.5 hp Boom Swing — Right 50°
Gross Power •Automatic swing brake, spring applied, hydraulic release.
ISO 14396 18.5 kW 24.8 hp
Bore 78 mm 3.1 in
Stroke 88 mm 3.5 in Width 1550 mm 60 in
Displacement 126L 77 in' Height 335 mm 13 in
Dig Depth 472 mm 19 in
Lift Height 402 mm 16in
Operating Weight with Canopy 3310 kg 7,297 lb
Operating Weight with Cab 3530 kg 7,782 lb
•Weight includes counterweight, rubber tracks, bucket, operator, Number of Carrier Rollers 3
full fuel and auxiliary lines. Number of Track Rollers 3
Track Roller Type Double Flange
Travel Speed — High 4.5 km/h 2.8 mph Certification — Cab and Canopy
Travel Speed — Low 2.4 km/h 1.5 mph Roll Over Protective Structure (ROPS) ISO 12117-2
Max Traction Force — High Speed 15.2 kN 3.417 lb Tip Over Protective Structure (TOPS) ISO 12117
Max Traction Force - Low Speed 30.9 kN 6.946 lb Top Guard ISO 10262 (Level I)
Ground Pressure 32.2 kPa 4.6 psi
Gradeahility (maximum) 30° Lift Capacities at Ground Level*
Service Refill Capacities Litt Point Radius 3000 mm (911 4000 mm (13'11
Front Side Front Side
Cooling System 4.7 L 1.2 gal Blade Down kg 1170 540 670 310
Engine Oil 5.7L 1.5 gal (Ib) (2,580) (1,191) (1,477) (684)
Fuel Tank 45L 11.8 gal Blade Up kg 570 480 280 280
Hydraulic Tank 47L I2A gal (Ib) (1,257) (1,058) (617) (617)
Hydraulic System 65 L 17.2 gal •The above loads are in coral:lance with hydraulic excavator lift
capacity rating standard ISO 10567:2007 and they do not exceed
Hydraulic System 87% of hydraulic lifting capacity or 75% of tipping capacity.
The excavator bucket weight is not included on this chart.
Load Sensing Hydraulics with Variable Displacement Piston Pump Lifting capacities are for standard stick.
Pump Flow at 2,400 rpm 87.6 Llmin 23.1 gal/min
Operating Pressure — Equipment 245 bar 3,553 psi
Operating Pressure — Travel 245 bar 3,553 psi
Operating Pressure — Swing 181 bar 2,625 psi
Auxiliary Circuit — Primary 60 Limin 15.9 gaVmin
(186 bar/2,734 psi)
Auxiliary Circuit - Secondary 27 Limin 7.1 gal/min
(174 bar/2,524 psi)
Digging Force - Stick (standard) 16.6 kN 3,731 lb
Digging Force — Bucket 28.4 kN 6,384 lb
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303E CR Mini Hydraulic Excavator Specifications
Dii
All dimensions are approximate.
11
L
1 Dig Depth 2750 mm 108 in
2 Vertical Wall 1960 mm 77 in
3 Maximum Reach at Ground Level 4810 nun 189 in
4 Maximum Reach 4950 mm 195 in
5 Maximum Dig Height 4530 nun 178 in
6 Maximum Dump Clearance 3150 nun I24in
7 Boom In Reach 2110 mm 83 in
8 Tail Swing 890 mm 35 in
9 Maximum Blade Height 402 mm 16 in
10 Maximum Blade Depth 472 mm 19 in
11 Boom Height in Shipping Position 1590 mm 63 in
12 O/A Shipping Height 2500 mm 98 in
13 Swing Bearing Height 565 mm 22 in
14 O/A Undercarriage Length 2210 mm 87 in
15 O/A Shipping Length 4470 mm 176 in
16 Boom Swing Right 825 mm 32 in
17 Boom Swing Left 610 mm 24m
18 Track Belt/Shoe Width 300 mm 12 in
19 O/A Track Width 1550 mm 60 in
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Prdard Equipment
E n 303E CR Standard and Optional Equipment
Standard equipment may vary. Consult your Cat dealer for details.
• I -way and 2-way (combined function) • Coat hook • Lifting eye on bucket linkage (standard
auxiliary hydraulic lines • Cup holder equipment for all regions except Europe)
• Adjustable armrests • Control pattern changer • Lockable storage box
• Alternator • Dozer blade with float function • Low maintenance linkage pin joints
• Automatic swing park brake • Foot travel pedals • Maintenance free battery
• Automatic two speed travel • Gauges or indicators for fuel level engine • Rubber track
• Auxiliary line quick disconnects coolant temperature, hour meter, engine oil • Retractable seatbelt
• Boom cylinder guard pressure, air cleaner, alternator and glow • Standard stick
• Cab mounted work light plugs, service interval • Suspension seat, vinyl covered
• Canopy with Top Guard ISO 10262 • Horn • "Thumb ready" sticks
(Level I), ROPS ISO 12117-2 and • Hydraulic oil cooler • Travel alarm (optional in Europe)
TOPS ISO 12117
Option!' quipment
Optional equipment may vary. Consult your Cat dealer for details.
• Beacon socket for canopy machines • High back suspension seat, fabric covered • Mirrors for cab and canopy
• Boom mounted light • Mechanical quick coupler • Steel track
• Cab, Top Guard ISO 10262 (Level I),
ROPS ISO 12117-2 and TOPS ISO 12117
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For more complete information on Cat products, dealer services, and industry solutions, visit us on the web AEHQ7477 (06-20151
at www.catcom
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additional equipment. See your Cat dealer for available options.
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not be used without permission.
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ℹ️ Document Details
SHA-256
0a81403830c6aa78995021f3f28a3b17a8e8679e687fd793a29b8c4bbd7fc324
Bates Number
EFTA01223108
Dataset
DataSet-9
Document Type
document
Pages
12