Excavators

Compare Models

303E CR
UNITS:
Metric
Imperial
Net Power
17.5 kW
23.5 HP
 
30 kW
40.2 HP
 
32.9 kW
44.1 HP
Engine Model
Cat C1.3
Cat C1.3
 
Cat C2.4
Cat C2.4
 
Cat® C2.4
Cat® C2.4
Gross Power - ISO 14396
18.5 kW
24.8 HP
 
31.2 kW
41.8 HP
 
34.1 kW
45.7 HP
Note
Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
 
The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
 
-
Stroke
88 mm
3.5 in
 
102.4 mm
4 in
 
102.4 mm
4 in
Bore
78 mm
3.1 in
 
87 mm
3.4 in
 
87 mm
3.4 in
Displacement
1.3 l
77 in³
 
2.4 l
146 in³
 
2.4 l
146 in³
Gross Power
18.5 kW
24.8 HP
 
-
 
-
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
17.5 kW
23.5 HP
 
-
 
-
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
-
 
30 kW
40.2 HP
 
32.9 kW
44.1 HP
Emissions
-
 
-
 
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Operating Weight - With Cab
3267 kg
7204 lb
Operating Weight - With Canopy
3048 kg
6721 lb
Note
Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Maximum Traction Force - Low Speed
30.9 kN
6947 lbf
 
31 kN
6969 lb
 
47.8 kN
10746 lb
Travel Speed - High
4.5 km/h
2.8 mile/h
 
5.2 km/h
3.2 mile/h
 
4.5 km/h
2.8 mile/h
Travel Speed - Low
2.4 km/h
1.5 mile/h
 
3.3 km/h
2.1 mile/h
 
2.8 km/h
1.7 mile/h
Maximum Traction Force - High Speed
15.2 kN
3417 lbf
 
16.9 kN
3799 lb
 
26.8 kN
6025 lb
Ground Pressure - Cab Standard Stick
32.6 kPa
4.7 psi
 
-
 
-
Ground Pressure - Cab Long Stick
33 kPa
4.8 psi
 
-
 
-
Ground Pressure with Canopy - Long Stick, Optional Counterweight
33.5 kPa
4.9 psi
 
-
 
-
Ground Pressure - Canopy Standard Stick
30.4 kPa
4.4 psi
 
-
 
-
Gradeability - Continuous Operation
20°
20°
 
-
 
-
Ground Pressure - Canopy Long Stick
30.8 kPa
4.5 psi
 
-
 
-
Ground Pressure with Canopy - Standard Stick, Optional Counterweight
33 kPa
4.8 psi
 
-
 
-
Ground Pressure with Cab - Standard Stick, Optional Counterweight
35.2 kPa
5.1 psi
 
-
 
-
Gradeability (< 10 minutes Operation)
30°
30°
 
-
 
-
Ground Pressure with Cab - Long Stick, Optional Counterweight
35.6 kPa
5.2 psi
 
-
 
-
Ground Pressure - Canopy
-
 
28.1 kPa
4.1 psi
 
31 kPa
4.5 psi
Ground Pressure - Cab
-
 
29.5 kPa
4.3 psi
 
31.9 kPa
4.6 psi
Gradeability - Maximum
-
 
-
 
30°
30°
Operating Pressure - Swing
181 bar
2625 psi
 
216 bar
3132 psi
 
216 bar
3132 psi
Digging Force - Bucket
28.4 kN
6385 lbf
 
37.8 kN
8498 lb
 
50.9 kN
11445 lb
Pump Flow at 2,400 rpm
88 l/min
23.1 gal/min
 
-
 
150 l/min
39.6 gal/min
Operating Pressure - Travel
245 bar
3553 psi
 
245 bar
3553 psi
 
245 bar
3553 psi
Digging Force - Stick - Standard
16.6 kN
3732 lbf
 
21.6 kN
4856 lb
 
28.9 kN
6500 lb
Operating Pressure - Equipment
245 bar
3553 psi
 
245 bar
3553 psi
 
245 bar
3553 psi
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Load Sensing Hydraulics with Variable Displacement Piston Pump
 
-
 
Load Sensing Hydraulics with Variable Displacement Piston Pump
Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary (174 bar/2,523 psi)
27 l/min
7.1 gal/min
 
-
 
-
Digging Force - Stick - Long
14.8 kN
3327 lbf
 
19.5 kN
4384 lb
 
24.8 kN
5575 lb
Auxiliary Circuit - Primary (186 bar/2,697 psi)
60 l/min
15.9 gal/min
 
-
 
-
Note
-
 
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
 
-
Pump Flow at 2,200 rpm
-
 
100 l/min
26.4 gal/min
 
-
Maximum Auxiliary Circuit - Secondary - Flow at Pump
-
 
25 l/min
6.6 gal/min
 
-
Maximum Auxiliary Circuit - Primary - Flow at Pump
-
 
65 l/min
17.2 gal/min
 
-
Maximum Auxiliary Circuit - Primary - Pressure at Pump
-
 
24500 kPa
3553 psi
 
-
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
-
 
24500 kPa
3553 psi
 
-
Maximum Auxiliary Circuit - Primary - Pressure
-
 
-
 
24500 kPa
3553 psi
Maximum Auxiliary Circuit - Secondary - Pressure
-
 
-
 
24500 kPa
3553 psi
Maximum Auxiliary Circuit - Secondary - Flow
-
 
-
 
25 l/min
6.6 gal/min
Maximum Auxiliary Circuit - Primary - Flow
-
 
-
 
80 l/min
21.1 gal/min
Machine Swing Speed
9 r/min
9 r/min
 
10 r/min
10 r/min
 
10 r/min
10 r/min
Boom Swing - Left*
80°
80°
 
-
 
-
Boom Swing - Right
50°
50°
 
-
 
50°
50°
Note
*Automatic swing brake, spring applied, hydraulic release.
*Automatic swing brake, spring applied, hydraulic release.
 
-
 
*Automatic swing brake, spring applied, hydraulic release.
*Automatic swing brake, spring applied, hydraulic release.
Boom Swing - Left - Without Stop*
-
 
-
 
80°
80°
Boom Swing - Left - With Stop*
-
 
-
 
60°
60°
Width
1550 mm
60 in
 
1950 mm
76.8 in
 
1980 mm
78 in
Height
335 mm
13 in
 
325 mm
12.8 in
 
375 mm
14.8 in
Dig Depth
472 mm
19 in
 
470 mm
18.5 in
 
555 mm
21.9 in
Lift Height
402 mm
16 in
 
400 mm
15.7 in
 
405 mm
15.9 in
Engine Oil
5.7 l
1.5 gal (US)
 
9.5 l
2.5 gal (US)
 
9.5 l
2.5 gal (US)
Fuel Tank
45 l
11.9 gal (US)
 
46 l
12.2 gal (US)
 
63 l
16.6 gal (US)
Hydraulic Tank
47 l
12.4 gal (US)
 
42.3 l
11.2 gal (US)
 
68.3 l
18 gal (US)
Cooling System
4.7 l
1.2 gal (US)
 
5.5 l
1.5 gal (US)
 
10.5 l
2.8 gal (US)
Hydraulic System
65 l
17.2 gal (US)
 
65 l
17.2 gal (US)
 
78 l
20.6 gal (US)
Number of Carrier Rollers
1
1
 
1
1
Track Roller Type
Center Flange
Center Flange
 
Center Flange
Center Flange
Number of Track Rollers
4
4
 
4
4
Top Guard
ISO 10262:1998 (Level I)
ISO 10262:1998 (Level I)
 
ISO 10262 (Level I)
ISO 10262 (Level I)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
ISO 12117-2:2008
 
ISO 12117-2
ISO 12117-2
Tip Over Protective Structure (TOPS)
ISO 12117:1997
ISO 12117:1997
 
ISO 12117
ISO 12117
Dig Depth
2980 mm
117 in
Maximum Reach
5040 mm
198 in
Track Belt/Shoe Width
300 mm
12 in
Overall Undercarriage Length
2080 mm
82 in
Overall Shipping Height
2500 mm
98 in
Maximum Reach - Ground Level
4910 mm
193 in
Tail Swing
775 mm
31 in
Vertical Wall
1750 mm
69 in
Boom In Reach
2000 mm
79 in
Maximum Dig Height
4250 mm
167 in
Boom Swing Right
825 mm
32 in
Maximum Blade Depth
470 mm
19 in
Tail Swing with Extra Counterweight
890 mm
35 in
Maximum Blade Height
400 mm
16 in
Overall Track Width
1550 mm
61 in
Swing Bearing Height
565 mm
22 in
Boom Height in Shipping Position
1600 mm
63 in
Boom Swing Left
610 mm
24 in
Maximum Dump Clearance
2970 mm
117 in
Overall Shipping Length
5030 mm
198 in
Blade Down - Side
540 kg
1191 lb
Blade Down - Front
1170 kg
2580 lb
Blade Up - Side
490 kg
1080 lb
Blade Up - Front
650 kg
1433 lb
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.
*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.
Machine Overhang with Counterweight
115 mm
5 in
 
-
 
-
Machine Overhang
0 mm
0 in
 
0 mm
0 in
 
-
Stick Length - Long
1560 mm
61 in
 
1615 mm
64 in
 
1820 mm
70 in
Stick Length - Standard
1260 mm
50 in
 
1315 mm
52 in
 
1420 mm
55 in
Counterweight
-
 
-
 
165.3 kg
364.4 lb
Blade Up - Side
300 kg
662 lb
Blade Down - Front
740 kg
1632 lb
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.
*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
340 kg
750 lb
Blade Up - Front
410 kg
904 lb
Tail Swing
775 mm
31 in
Maximum Dump Clearance
3150 mm
124 in
Track Belt/Shoe Width
300 mm
12 in
Overall Track Width
1550 mm
60 in
Maximum Dig Height
4530 mm
178 in
Dig Depth
2750 mm
108 in
Overall Undercarriage Length
2080 mm
82 in
Boom Swing Left
610 mm
24 in
Boom Swing Right
825 mm
32 in
Tail Swing with Extra Counterweight
890 mm
35 in
Maximum Blade Height
402 mm
16 in
Maximum Blade Depth
472 mm
19 in
Boom Height in Shipping Position
1590 mm
63 in
Swing Bearing Height
565 mm
22 in
Maximum Reach
4950 mm
195 in
Overall Shipping Height
2500 mm
98 in
Vertical Wall
1960 mm
77 in
Overall Shipping Length
4470 mm
176 in
Maximum Reach - Ground Level
4810 mm
189 in
Boom In Reach
2110 mm
83 in
Operating Weight with Canopy - Long Stick, Optional Counterweight
3356 kg
7400 lb
 
-
 
-
Operating Weight with Canopy - Long Stick
3090 kg
6813 lb
 
-
 
-
Operating Weight with Cab - Standard Stick
3267 kg
7204 lb
 
-
 
-
Operating Weight with Canopy - Standard Stick
3048 kg
6721 lb
 
-
 
-
Operating Weight with Cab - Standard Stick, Optional Counterweight
3533 kg
7790 lb
 
-
 
-
Operating Weight with Cab - Long Stick
3309 kg
7296 lb
 
-
 
-
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
 
-
 
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight with Canopy - Standard Stick, Optional Counterweight
3314 kg
7307 lb
 
-
 
-
Operating Weight with Cab - Long Stick, Optional Counterweight
3575 kg
7883 lb
 
-
 
-
Operating Weight
-
 
4080 kg
8996 lb
 
5423 kg
11958 lb
Weight - Canopy, Standard Stick
-
 
3925 kg
8655 lb
 
5217 kg
11503 lb
Weight - Canopy, Long Stick
-
 
3955 kg
8721 lb
 
5259 kg
11596 lb
Weight - Cab, Long Stick
-
 
4080 kg
8996 lb
 
5423 kg
11958 lb
Weight - Cab, Standard Stick
-
 
4050 kg
8930 lb
 
5380 kg
11863 lb
Dig Depth
3430 mm
135 in
 
3870 mm
152 in
Maximum Dig Height
5070 mm
200 in
 
5590 mm
220 in
Maximum Reach
5590 mm
220 in
 
6170 mm
243 in
Vertical Wall
2560 mm
101 in
 
2730 mm
107 in
O/A Shipping Height
2500 mm
98 in
 
2550 mm
100 in
Boom Swing - Right
735 mm
29 in
 
785 mm
31 in
Maximum Blade Depth
470 mm
19 in
 
555 mm
22 in
O/A Track Width
1950 mm
77 in
 
1980 mm
78 in
Maximum Dump Clearance
3690 mm
145 in
 
4080 mm
161 in
Swing Bearing - Height
565 mm
22 in
 
615 mm
24 in
Boom Height - Shipping Position
1770 mm
70 in
 
2150 mm
85 in
Track Belt/Shoe Width
350 mm
14 in
 
400 mm
16 in
O/A Shipping Length
4930 mm
194 in
 
5460 mm
215 in
Maximum Reach - Ground Level
5470 mm
215 in
 
6020 mm
237 in
O/A Undercarriage Length
2220 mm
87 in
 
2580 mm
102 in
Maximum Blade Height
400 mm
16 in
 
405 mm
16 in
Tail Swing
975 mm
38 in
 
1130 mm
44 in
Boom Swing - Left
670 mm
26 in
 
695 mm
27 in
Boom In Reach
2220 mm
87 in
 
2530 mm
100 in
Maximum Dig Height
4980 mm
196 in
 
5330 mm
210 in
Swing Bearing - Height
565 mm
22 in
 
615 mm
24 in
Maximum Dump Clearance
3590 mm
141 in
 
3820 mm
150 in
Boom Swing - Left
670 mm
26 in
 
695 mm
27 in
Boom In Reach
2110 mm
83 in
 
2400 mm
94 in
Maximum Blade Depth
470 mm
19 in
 
555 mm
22 in
O/A Shipping Height
2500 mm
98 in
 
2550 mm
100 in
Maximum Reach
5350 mm
211 in
 
5790 mm
228 in
Vertical Wall
2420 mm
95 in
 
2330 mm
92 in
Maximum Reach - Ground Level
5220 mm
206 in
 
5630 mm
222 in
Track Belt/Shoe Width
350 mm
14 in
 
400 mm
16 in
Maximum Blade Height
400 mm
16 in
 
405 mm
16 in
O/A Track Width
1950 mm
77 in
 
1980 mm
78 in
Boom Height - Shipping Position
1480 mm
58 in
 
1740 mm
69 in
O/A Undercarriage Length
2220 mm
87 in
 
2580 mm
102 in
Dig Depth
3130 mm
123 in
 
3470 mm
137 in
Tail Swing
975 mm
38 in
 
1130 mm
44 in
O/A Shipping Length
4820 mm
190 in
 
5330 mm
210 in
Boom Swing - Right
735 mm
29 in
 
785 mm
31 in
Blade Up - Side
820 kg
1808 lb
Blade Down - Side
910 kg
2007 lb
Blade Up - Front
820 kg
1808 lb
Blade Down - Front
1570 kg
3462 lb
Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
81 dB(A)
 
81 dB(A)
81 dB(A)
Exterior Sound Power Level - ISO 6395:2008*
96 dB(A)
96 dB(A)
 
97 dB(A)
97 dB(A)
Note
-
 
*European Union Directive “2000/14/EC”
*European Union Directive “2000/14/EC”
Blade Up - Front
430 kg
948 lb
Blade Down - Side
480 kg
1058 lb
Blade Down - Front
860 kg
1896 lb
Blade Up - Side
430 kg
948 lb
Blade Up - Front
1550 kg
3417 lb
Blade Up - Side
1150 kg
2535 lb
Blade Down - Side
1290 kg
2844 lb
Blade Down - Front
2590 kg
5710 lb
Blade Down - Front
1380 kg
3042 lb
Blade Up - Side
620 kg
1367 lb
Blade Up - Front
820 kg
1808 lb
Blade Down - Side
690 kg
1521 lb
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.4 metric tonnes.
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.4 metric tonnes.
X
This site uses and sets "cookies" on your computer to help make this website better. By continuing to use this site without changing your settings, you are agreeing to our use of cookies.
Confirm