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303E CR Mini Hydraulic Excavator

Product Description

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.

Specifications
Us
Metric
Engine
Net Power
23.5 HP
17.5 kW
Engine Model
Cat C1.3
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.
Weights
Operating Weight - With Cab
7204 lb
3267 kg
Operating Weight - With Canopy
6721 lb
3048 kg
Engine
Stroke
3.5 in
88 mm
Bore
3.1 in
78 mm
Displacement
77 in³
1.3 l
Travel System
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
Hydraulic System
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
Swing System
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.
Blade
Width
60 in
1550 mm
Height
13 in
335 mm
Dig Depth
19 in
472 mm
Lift Height
16 in
402 mm
Service Refill Capacities
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
Engine
Gross Power
24.8 HP
18.5 kW
Undercarriage
Number of Carrier Rollers
1
Track Roller Type
Center Flange
Weights
Note
Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Engine
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
23.5 HP
17.5 kW
Undercarriage
Number of Track Rollers
4
Hydraulic System
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Certification - Cab and Canopy
Top Guard
ISO 10262:1998 (Level I)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Dimensions (Approximate) - Long Stick
Dig Depth
117 in
2980 mm
Travel System
Ground Pressure - Cab Standard Stick
4.7 psi
32.6 kPa
Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")
Blade Down - Side
1191 lb
540 kg
Operating Specifications
Machine Overhang with Counterweight
5 in
115 mm
Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")
Blade Up - Side
662 lb
300 kg
Travel System
Ground Pressure - Cab Long Stick
4.8 psi
33 kPa
Dimensions (Approximate) - Long Stick
Maximum Reach
198 in
5040 mm
Track Belt/Shoe Width
12 in
300 mm
Overall Undercarriage Length
82 in
2080 mm
Dimensions (Approximate) - Standard Stick
Tail Swing
31 in
775 mm
Travel System
Ground Pressure with Canopy - Long Stick, Optional Counterweight
4.9 psi
33.5 kPa
Operating Specifications
Machine Overhang
0 in
0 mm
Dimensions (Approximate) - Long Stick
Overall Shipping Height
98 in
2500 mm
Dimensions (Approximate) - Standard Stick
Maximum Dump Clearance
124 in
3150 mm
Weights*
Operating Weight with Canopy - Long Stick, Optional Counterweight
7400 lb
3356 kg
Dimensions (Approximate) - Standard Stick
Track Belt/Shoe Width
12 in
300 mm
Overall Track Width
60 in
1550 mm
Dimensions (Approximate) - Long Stick
Maximum Reach - Ground Level
193 in
4910 mm
Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")
Blade Down - Front
1632 lb
740 kg
Dimensions (Approximate) - Standard Stick
Maximum Dig Height
178 in
4530 mm
Dig Depth
108 in
2750 mm
Overall Undercarriage Length
82 in
2080 mm
Dimensions (Approximate) - Long Stick
Tail Swing
31 in
775 mm
Travel System
Ground Pressure - Canopy Standard Stick
4.4 psi
30.4 kPa
Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")
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
Hydraulic System
Auxiliary Circuit - Secondary (174 bar/2,523 psi)
7.1 gal/min
27 l/min
Dimensions (Approximate) - Long Stick
Vertical Wall
69 in
1750 mm
Weights*
Operating Weight with Canopy - Long Stick
6813 lb
3090 kg
Dimensions (Approximate) - Long Stick
Boom In Reach
79 in
2000 mm
Dimensions (Approximate) - Standard Stick
Boom Swing Left
24 in
610 mm
Boom Swing Right
32 in
825 mm
Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")
Blade Down - Front
2580 lb
1170 kg
Operating Specifications
Stick Length - Long
61 in
1560 mm
Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")
Blade Up - Side
1080 lb
490 kg
Blade Up - Front
1433 lb
650 kg
Dimensions (Approximate) - Standard Stick
Tail Swing with Extra Counterweight
35 in
890 mm
Dimensions (Approximate) - Long Stick
Maximum Dig Height
167 in
4250 mm
Boom Swing Right
32 in
825 mm
Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")
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.
Weights*
Operating Weight with Cab - Standard Stick
7204 lb
3267 kg
Hydraulic System
Digging Force - Stick - Long
3327 lbf
14.8 kN
Weights*
Operating Weight with Canopy - Standard Stick
6721 lb
3048 kg
Operating Weight with Cab - Standard Stick, Optional Counterweight
7790 lb
3533 kg
Dimensions (Approximate) - Standard Stick
Maximum Blade Height
16 in
402 mm
Dimensions (Approximate) - Long Stick
Maximum Blade Depth
19 in
470 mm
Dimensions (Approximate) - Standard Stick
Maximum Blade Depth
19 in
472 mm
Hydraulic System
Auxiliary Circuit - Primary (186 bar/2,697 psi)
15.9 gal/min
60 l/min
Dimensions (Approximate) - Standard Stick
Boom Height in Shipping Position
63 in
1590 mm
Dimensions (Approximate) - Long Stick
Tail Swing with Extra Counterweight
35 in
890 mm
Weights*
Operating Weight with Cab - Long Stick
7296 lb
3309 kg
Dimensions (Approximate) - Long Stick
Maximum Blade Height
16 in
400 mm
Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")
Blade Up - Front
904 lb
410 kg
Dimensions (Approximate) - Long Stick
Overall Track Width
61 in
1550 mm
Travel System
Gradeability - Continuous Operation
20°
Dimensions (Approximate) - Long Stick
Swing Bearing Height
22 in
565 mm
Boom Height in Shipping Position
63 in
1600 mm
Dimensions (Approximate) - Standard Stick
Swing Bearing Height
22 in
565 mm
Travel System
Ground Pressure - Canopy Long Stick
4.5 psi
30.8 kPa
Dimensions (Approximate) - Long Stick
Boom Swing Left
24 in
610 mm
Dimensions (Approximate) - Standard Stick
Maximum Reach
195 in
4950 mm
Weights*
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
Travel System
Ground Pressure with Canopy - Standard Stick, Optional Counterweight
4.8 psi
33 kPa
Dimensions (Approximate) - Standard Stick
Overall Shipping Height
98 in
2500 mm
Vertical Wall
77 in
1960 mm
Overall Shipping Length
176 in
4470 mm
Dimensions (Approximate) - Long Stick
Maximum Dump Clearance
117 in
2970 mm
Overall Shipping Length
198 in
5030 mm
Dimensions (Approximate) - Standard Stick
Maximum Reach - Ground Level
189 in
4810 mm
Operating Specifications
Stick Length - Standard
50 in
1260 mm
Travel System
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
Weights*
Operating Weight with Cab - Long Stick, Optional Counterweight
7883 lb
3575 kg
Dimensions (Approximate) - Standard Stick
Boom In Reach
83 in
2110 mm
Standard/Optional

Standard Equipment

STANDARD EQUIPMENT

Optional Equipment

OPTIONAL EQUIPMENT

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