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Mini Excavators
303E CR
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Mini Excavators
Jan 23, 2021, 04:24 AM
Mini Excavators 303E CR
An extensive line of Cat® mini hydraulic excavators offers the performance to dig in and be productive on every job.
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Mini Excavators 303E CR
An extensive line of Cat® mini hydraulic excavators offers the performance to dig in and be productive on every job.
Download product brochure #1
Download product brochure #2
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Specification
Equipment
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Units:
US
Metric
Blade
Specification
Value
Width
60 in
1550 mm
Height
13 in
335 mm
Dig Depth
19 in
472 mm
Lift Height
16 in
402 mm
Units:
US
Metric
Certification - Cab and Canopy
Specification
Value
Top Guard
ISO 10262:1998 (Level I)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Units:
US
Metric
Dimensions (Approximate) - Long Stick
Specification
Value
Dig Depth
117 in
2980 mm
Maximum Reach
198 in
5040 mm
Track Belt/Shoe Width
12 in
300 mm
Overall Undercarriage Length
82 in
2080 mm
Overall Shipping Height
98 in
2500 mm
Maximum Reach - Ground Level
193 in
4910 mm
Tail Swing
31 in
775 mm
Vertical Wall
69 in
1750 mm
Boom In Reach
79 in
2000 mm
Maximum Dig Height
167 in
4250 mm
Boom Swing Right
32 in
825 mm
Maximum Blade Depth
19 in
470 mm
Tail Swing with Extra Counterweight
35 in
890 mm
Maximum Blade Height
16 in
400 mm
Overall Track Width
61 in
1550 mm
Swing Bearing Height
22 in
565 mm
Boom Height in Shipping Position
63 in
1600 mm
Boom Swing Left
24 in
610 mm
Maximum Dump Clearance
117 in
2970 mm
Overall Shipping Length
198 in
5030 mm
Units:
US
Metric
Dimensions (Approximate) - Standard Stick
Specification
Value
Tail Swing
31 in
775 mm
Maximum Dump Clearance
124 in
3150 mm
Track Belt/Shoe Width
12 in
300 mm
Overall Track Width
60 in
1550 mm
Maximum Dig Height
178 in
4530 mm
Dig Depth
108 in
2750 mm
Overall Undercarriage Length
82 in
2080 mm
Boom Swing Left
24 in
610 mm
Boom Swing Right
32 in
825 mm
Tail Swing with Extra Counterweight
35 in
890 mm
Maximum Blade Height
16 in
402 mm
Maximum Blade Depth
19 in
472 mm
Boom Height in Shipping Position
63 in
1590 mm
Swing Bearing Height
22 in
565 mm
Maximum Reach
195 in
4950 mm
Overall Shipping Height
98 in
2500 mm
Vertical Wall
77 in
1960 mm
Overall Shipping Length
176 in
4470 mm
Maximum Reach - Ground Level
189 in
4810 mm
Boom In Reach
83 in
2110 mm
Units:
US
Metric
Engine
Specification
Value
Net Power
23.5 HP
17.5 kW
Engine Model
Cat C1.3
Gross Power
24.8 HP
18.5 kW
Gross Power - ISO 14396
24.8 HP
18.5 kW
Note
Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
Stroke
3.5 in
88 mm
Bore
3.1 in
78 mm
Displacement
77 in³
1.3 l
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
23.5 HP
17.5 kW
Units:
US
Metric
Hydraulic System
Specification
Value
Operating Pressure - Swing
2625 psi
181 bar
Digging Force - Bucket
6385 lbf
28.4 kN
Pump Flow at 2,400 rpm
23.1 gal/min
88 l/min
Operating Pressure - Travel
3553 psi
245 bar
Digging Force - Stick - Standard
3732 lbf
16.6 kN
Operating Pressure - Equipment
3553 psi
245 bar
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary (174 bar/2,523 psi)
7.1 gal/min
27 l/min
Digging Force - Stick - Long
3327 lbf
14.8 kN
Auxiliary Circuit - Primary (186 bar/2,697 psi)
15.9 gal/min
60 l/min
Units:
US
Metric
Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")
Specification
Value
Blade Down - Side
1191 lb
540 kg
Blade Down - Front
2580 lb
1170 kg
Blade Up - Side
1080 lb
490 kg
Blade Up - Front
1433 lb
650 kg
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. Lifting capacities are for machine with cab, optional counterweight and standard stick.
Units:
US
Metric
Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")
Specification
Value
Blade Up - Side
662 lb
300 kg
Blade Down - Front
1632 lb
740 kg
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. Lifting capacities are for machine with cab, optional counterweight and standard stick.
Blade Down - Side
750 lb
340 kg
Blade Up - Front
904 lb
410 kg
Units:
US
Metric
Operating Specifications
Specification
Value
Machine Overhang with Counterweight
5 in
115 mm
Machine Overhang
0 in
0 mm
Stick Length - Long
61 in
1560 mm
Stick Length - Standard
50 in
1260 mm
Units:
US
Metric
Service Refill Capacities
Specification
Value
Engine Oil
1.5 gal (US)
5.7 l
Fuel Tank
11.9 gal (US)
45 l
Hydraulic Tank
12.4 gal (US)
47 l
Cooling System
1.2 gal (US)
4.7 l
Hydraulic System
17.2 gal (US)
65 l
Units:
US
Metric
Swing System
Specification
Value
Machine Swing Speed
9 r/min
9 r/min
Boom Swing - Left*
80°
Boom Swing - Right
50°
Note
*Automatic swing brake, spring applied, hydraulic release.
Units:
US
Metric
Travel System
Specification
Value
Maximum Traction Force - Low Speed
6947 lbf
30.9 kN
Travel Speed - High
2.8 mile/h
4.5 km/h
Travel Speed - Low
1.5 mile/h
2.4 km/h
Maximum Traction Force - High Speed
3417 lbf
15.2 kN
Ground Pressure - Cab Standard Stick
4.7 psi
32.6 kPa
Ground Pressure - Cab Long Stick
4.8 psi
33 kPa
Ground Pressure with Canopy - Long Stick, Optional Counterweight
4.9 psi
33.5 kPa
Ground Pressure - Canopy Standard Stick
4.4 psi
30.4 kPa
Gradeability - Continuous Operation
20°
Ground Pressure - Canopy Long Stick
4.5 psi
30.8 kPa
Ground Pressure with Canopy - Standard Stick, Optional Counterweight
4.8 psi
33 kPa
Ground Pressure with Cab - Standard Stick, Optional Counterweight
5.1 psi
35.2 kPa
Gradeability (< 10 minutes Operation)
30°
Ground Pressure with Cab - Long Stick, Optional Counterweight
5.2 psi
35.6 kPa
Units:
US
Metric
Undercarriage
Specification
Value
Number of Carrier Rollers
1
Track Roller Type
Center Flange
Number of Track Rollers
4
Units:
US
Metric
Weights
Specification
Value
Operating Weight - With Cab
7204 lb
3267 kg
Operating Weight - With Canopy
6721 lb
3048 kg
Note
Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Units:
US
Metric
Weights*
Specification
Value
Operating Weight with Canopy - Long Stick, Optional Counterweight
7400 lb
3356 kg
Operating Weight with Canopy - Long Stick
6813 lb
3090 kg
Operating Weight with Cab - Standard Stick
7204 lb
3267 kg
Operating Weight with Canopy - Standard Stick
6721 lb
3048 kg
Operating Weight with Cab - Standard Stick, Optional Counterweight
7790 lb
3533 kg
Operating Weight with Cab - Long Stick
7296 lb
3309 kg
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight with Canopy - Standard Stick, Optional Counterweight
7307 lb
3314 kg
Operating Weight with Cab - Long Stick, Optional Counterweight
7883 lb
3575 kg
STANDARD EQUIPMENT
1-way and 2-way (combined function) auxiliary hydraulic lines
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