THIS IS MY SELECT
Mini Excavators
303.5 CR Mini Hydraulic Excavator
Net Power
23.6 HP
Operating Weight
9,239 lb
Dig Depth
122.4 in
THIS IS MY SELECT
backhoe loader
303.5 CR Mini Hydraulic Excavator
Net Power
23.6 HP
Operating Weight
9,239 lb
Dig Depth
122.4 in
Specifications
The Cat ® 303.5 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
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Auxiliary Circuit - Primary - Flow
18 gal/min
70 l/min
Auxiliary Circuit - Primary - Pressure
3,553 psi
245 bar
Operating Pressure - Equipment
3,553 psi
245 bar
Operating Pressure - Travel
3,553 psi
245 bar
Auxiliary Circuit - Secondary - Pressure
3,553 psi
245 bar
Operating Pressure - Swing
2,625 psi
181 bar
Type
93.0 in
93.0 mm
Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary - Flow
7 gal/min
25 l/min
Digging Force - Bucket
7,419 lbf
33 kN
Digging Force - Stick - Standard
4,249 lbf
18.9 kN
Pump Flow at 2,400 rpm
26 gal/min
100 l/min
Digging Force - Stick - Long
3,799 lbf
16.9 kN
Note
93.0 in
93.0 mm
*Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
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Height
13.8 in
350 mm
Width
70.1 in
1,780 mm
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Tail Swing with Extra Counterweight
39.6 in
1,005 mm
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Tail Swing with Extra Counterweight
39.6 in
1,005 mm
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Dig Depth
122.4 in
3,110 mm
Track Belt/Shoe Width
11.8 in
300 mm
Boom Height - Shipping Position
68.9 in
1,750 mm
Maximum Blade Depth
21.1 in
535 mm
Tail Swing without Counterweight
35 in
890 mm
Vertical Wall
94.1 in
2,390 mm
Tail Swing with Counterweight
37.8 in
960 mm
Stick Length
61.4 in
1,560 mm
Swing Bearing - Height
22.2 in
565 mm
O/A Undercarriage Length
87.4 in
2,220 mm
Maximum Reach
216.9 in
5,510 mm
O/A Track Width
70.1 in
1,780 mm
Maximum Dig Height
197.6 in
5,020 mm
Boom In Reach
73.2 in
1,860 mm
Boom Swing - Right
34.3 °
870 mm
Boom Swing - Left
640 mm
25.2 °
Overall Shipping Length*
190.9 in
4,850 mm
Note
93.0 in
93.0 mm
*Overall Shipping Length depends on blade position during shipment.
O/A Shipping Height
97.6 in
2,480 mm
Maximum Reach - Ground Level
211.8 in
5,380 mm
Maximum Dump Clearance
141.7 in
3,600 mm
Maximum Blade Height
15.2 in
385 mm
Ground Clearance
12.2 in
310 mm
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Boom Swing - Right
34.3 °
870 mm
Boom Height - Shipping Position
59.8 in
1,520 mm
Tail Swing with Counterweight
37.8 in
960 mm
Maximum Blade Height
15.2 in
385 mm
Maximum Blade Depth
21.1 in
535 mm
Maximum Reach - Ground Level
202 in
5,130 mm
O/A Undercarriage Length
87.4 in
2,220 mm
Boom Swing - Left
25.2 °
640 mm
Maximum Reach
207.5 in
5,270 mm
Track Belt/Shoe Width
11.8 in
300 mm
Vertical Wall
88.6 in
2,250 mm
Dig Depth
110.6 in
2,810 mm
Maximum Dig Height
193.7 in
4,920 mm
Maximum Dump Clearance
137.4 in
3,490 mm
Swing Bearing - Height
22.2 in
565 mm
Stick Length
49.6 in
1,260 mm
Tail Swing without Counterweight
35 in
890 mm
Tail Swing with Extra Counterweight
39.6 in
1,005 mm
O/A Shipping Height
97.6 in
2,480 mm
Overall Shipping Length*
189 in
4,800 mm
Note
93.0 in
93.0 mm
*Overall Shipping Length depends on blade position during shipment.
Boom In Reach
69.3 in
1,760 mm
Ground Clearance
12.2 in
310 mm
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Net Power
23.6 HP
17.6 kW
Engine Model
93.0 in
93.0 mm
C1.7
Note
93.0 in
93.0 mm
Net power is tested per ISO 9249 and 80/1269/EEC.
Note (2)
93.0 in
93.0 mm
Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.
Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269
23.6 HP
17.6 kW
Gross Power - 2,400 rpm - SAE J1995
24.7 HP
18.4 kW
Bore
3.3 in
84 mm
Emissions
93.0 in
93.0 mm
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Stroke
3.9 in
100 mm
Displacement
104 in³
1.7 l
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Top Guard
93.0 in
93.0 mm
ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS)
93.0 in
93.0 mm
ISO 12117:1997
Roll Over Protective Structure (ROPS)
93.0 in
93.0 mm
ISO 12117-2:2008
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Engine Oil
1.6 gal (US)
6 l
Hydraulic System
11.9 gal (US)
45 l
Cooling System
1.8 gal (US)
7 l
Hydraulic Tank
5.3 gal (US)
20 l
Fuel Tank
11.9 gal (US)
45 l
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Operator Sound Pressure (ISO 6396:2008)
78 dB(A)
78 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
94 dB(A)
94 dB(A)
Note
93.0 in
93.0 mm
European Union Directive ‚ '2000/14/EC'
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Machine Swing Speed
9 r/min
9 r/min
Boom Swing - Right
50 °
50 °
Boom Swing - Left
75 °
75 °
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Gradeability - Maximum
93.0 in
93.0 mm
30 degrees
Ground Pressure - Minimum Weight
4.3 psi
29.6 kPa
Ground Pressure - Maximum Weight
5.2 psi
35.7 kPa
Travel Speed - High
2.8 mile/h
4.5 km/h
Maximum Traction Force - Low Speed
6,969 lbf
31 kN
Travel Speed - Low
1.6 mile/h
2.6 km/h
Maximum Traction Force - High Speed
3,799 lbf
16.9 kN
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Long Stick
44 lb
20 kg
Cab
309 lb
140 kg
Counterweight
221 lb
100 kg
Steel Tracks
287 lb
130 kg
Angle Blade
353 lb
160 kg
Extra Counterweight
551 lb
250 kg
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Operating Weight
9,239 lb
4,190 kg
Maximum Operating Weight with Canopy**
8,930 lb
4,050 kg
Maximum Operating Weight with Cab**
9,239 lb
4,190 kg
Note (1)
93.0 in
93.0 mm
* Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight.
Note (3)
93.0 in
93.0 mm
***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
EU: CE Plate Weight with Cab***
8,004 lb
3,630 kg
EU: CE Plate Weight with Canopy***
7,784 lb
3,530 kg
Minimum Operating Weight with Cab*
7,982 lb
3,620 kg
Minimum Operating Weight with Canopy*
7,673 lb
3,480 kg
Note (2)
93.0 in
93.0 mm
**Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight.
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ENGINE
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Cat C1.7 NA Engine (U.S. EPA Tier 4 Final/EU Stage V)
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Automatic Engine Idle
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Automatic Engine Shutdown
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Automatic Two Speed Travel
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Fuel Water Separator
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Power on Demand (not available in all regions)
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Variable Displacement Piston Pump
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Load Sensing/Flow Sharing Hydraulics
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HYDRAULICS
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Smart Tech Electronic Pump
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Accumulator
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Automatic Swing Brake
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Auxiliary Hydraulic Lines
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One and Two Way Auxiliary Flow
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Continuous Auxiliary Flow
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Auxiliary Line Quick Disconnects
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OPERATOR ENVIRONMENT
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Tilt-up Canopy or Tilt-Up Cab
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Top Guard ISO 10262:1998 Level I
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ROPS – ISO 12117-2:2008
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TOPS – ISO 12117:1997
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Stick Steer Mode
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Travel Cruise Control
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Control Pattern Changer (optional in some regions)
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Adjustable Wrist Rests
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Washable Floor Mat
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Travel Pedals and Hand Levers
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Machine Security
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Machine Security – Standard Key with Pass Code
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Fabric Suspension Seat (Cab only)
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Vinyl Suspension Seat (Canopy only)
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Hydraulic Lockout – All Controls
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Retractable High Visibility Seat Belt (75 mm/3 in)
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Coat Hook
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Cup Holder
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Storage Pocket
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Skylight
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Mounting Bosses for Front
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Signaling/Warning Horn
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Interior Light (Cab only)
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Boom Light, Halogen
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Utility Space for Mobile Phone
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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) Next Generation Advanced Monitor (Optional) – 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
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UNDERCARRIAGE
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Rubber Belt (300 mm/11.8 in wide)
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Dozer Blade
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Dozer Blade Float
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Angle Blade
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Tie Downs on Track Frame
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BOOM, STICK AND LINKAGES
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One Piece Boom (2400 mm/94.5 in)
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Standard Stick (1260 mm/49.6 in)
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Front Shovel Capable – Pin-On
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Thumb Ready (not available in all regions)
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Certified Lifting Eye (optional in some regions)
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ELECTRICAL
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12 Volt Battery
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Software (machine and monitor)
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Maintenance Free Battery
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Signaling/Warning Horn
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12 Volt Power Socket
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OPERATOR ENVIRONMENT
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Cab with Air Conditioning
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Cab with Heater
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Control Pattern Changer (optional in some regions)
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No Travel Pedals and Hand Levers
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Machine Security – Push to Start with Key Fob/Pass Code
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Vinyl Non-Suspension Seat (Canopy only)
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LED Front Lights
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LED Front and Rear Lights
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LED Boom Light
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Mirrors Left and Right
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Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)
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UNDERCARRIAGE
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BOOM, STICK AND LINKAGES
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Long Stick (1560 mm/61.4 in)
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Front Shovel Capable – Dual Lock Manual Coupler
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Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
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2nd Auxiliary Hydraulic Lines
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Boom Lowering Check Valve
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Stick Lowering Check Valve
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Hydraulic Quick Coupler Lines (not available in all regions)
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Front Shovel Capable – Hydraulic Coupler
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ELECTRICAL
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Battery Disconnect
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Product Link PL243 (regulations apply)
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Product Link PLE643 (regulations apply)
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Travel Alarm (standard in some regions)
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GUARDING
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Guard, Canopy
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Guard, Mesh
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OTHER
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Bio Oil Capable
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Eco Drain
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Water Jacket Heater
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WHY CHOOSE EMPIRE
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Every purchase backed by a full menu of service and support offerings
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Flexible financing options designed to fit your budget
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Commitment to providing expert training to maximize operations
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Value Agreements to ensure proper maintenance and performance