Excavators

Compare Models

303.5E CR
UNITS:
Metric
Imperial
Engine Model
Cat® C1.8
Cat® C1.8
 
Cat C1.3
Cat C1.3
 
Cat C2.4
Cat C2.4
Net Power
23.6 kW
31.6 HP
 
17.5 kW
23.5 HP
 
30 kW
40.2 HP
Gross Power
24.8 kW
33.3 HP
 
18.5 kW
24.8 HP
 
-
Gross Power - ISO 14396
-
 
18.5 kW
24.8 HP
 
31.2 kW
41.8 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
Bore
-
 
78 mm
3.1 in
 
87 mm
3.4 in
Displacement
-
 
1.3 l
77 in³
 
2.4 l
146 in³
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
Operating Weight
3508 kg
7734 lb
 
-
Operating Weight - With Cab
3692 kg
8139 lb
 
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 Digging Depth - Standard Stick
2880 mm
9.6 ft
Maximum Reach - Ground Level - Standard Stick
5060 mm
16.7 ft
Height - Over Cab
2500 mm
8.2 ft
Maximum Horizontal Reach - Standard Stick
5200 mm
17.1 ft
Shipping Length
4730 mm
15.5 ft
Maximum Vertical Dig Depth - Long Stick
2470 mm
8.2 ft
Maximum Dump Height - Long Stick
3640 mm
11.9 ft
Maximum Horizontal Reach - Long Stick
5440 mm
17.8 ft
Transport Width
1780 mm
5.8 ft
Maximum Dump Height - Standard Stick
3520 mm
11.5 ft
Maximum Cutting Height - Long Stick
5030 mm
16.5 ft
Track Shoe Width
300 mm
1 ft
Maximum Cutting Height - Standard Stick
4920 mm
16.2 ft
Maximum Vertical Dig Depth - Standard Stick
2320 mm
7.7 ft
Shipping Height
2500 mm
8.2 ft
Bore
87 mm
3.4 in
Stroke
102.4 mm
4 in
Displacement
1.8 l
110 in³
Travel Speed - High
4.6 km/h
2.8 mile/h
 
4.5 km/h
2.8 mile/h
 
5.2 km/h
3.2 mile/h
Maximum Traction Force - Low Speed
31 kN
6969 lb
 
30.9 kN
6947 lbf
 
31 kN
6969 lb
Maximum Traction Force - High Speed
16.9 kN
3799 lb
 
15.2 kN
3417 lbf
 
16.9 kN
3799 lb
Travel Speed - Low
2.6 km/h
1.6 mile/h
 
2.4 km/h
1.5 mile/h
 
3.3 km/h
2.1 mile/h
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
Ground Pressure - Cab
-
 
-
 
29.5 kPa
4.3 psi
Operating Pressure - Equipment
245 bar
3553 psi
 
245 bar
3553 psi
 
245 bar
3553 psi
Digging Force - Stick - Standard
18.9 kN
4249 lb
 
16.6 kN
3732 lbf
 
21.6 kN
4856 lb
Digging Force - Stick - Long
16.9 kN
3799 lb
 
14.8 kN
3327 lbf
 
19.5 kN
4384 lb
Digging Force - Bucket
33 kN
7419 lb
 
28.4 kN
6385 lbf
 
37.8 kN
8498 lb
Operating Pressure - Travel
245 bar
3553 psi
 
245 bar
3553 psi
 
245 bar
3553 psi
Operating Pressure - Swing
181 bar
2625 psi
 
181 bar
2625 psi
 
216 bar
3132 psi
Auxiliary Circuit - Primary
60 l/min
15.9 gal/min
 
-
 
-
Auxiliary Circuit - Secondary
27 l/min
7.1 gal/min
 
-
 
-
Pump Flow at 2,400 rpm
-
 
88 l/min
23.1 gal/min
 
-
Type
-
 
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
 
-
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
Machine Swing Speed
9 r/min
9 r/min
 
9 r/min
9 r/min
 
10 r/min
10 r/min
Boom Swing - Left - Without Stop
80 °
80 °
 
-
 
-
Boom Swing - Left - With Stop
55 °
55 °
 
-
 
-
Boom Swing - Right
50 °
50 °
 
50°
50°
 
-
Boom Swing - Left*
-
 
80°
80°
 
-
Note
-
 
*Automatic swing brake, spring applied, hydraulic release.
*Automatic swing brake, spring applied, hydraulic release.
 
-
Width
1780 mm
70 in
 
1550 mm
60 in
 
1950 mm
76.8 in
Height
325 mm
12.8 in
 
335 mm
13 in
 
325 mm
12.8 in
Dig Depth
470 mm
18.5 in
 
472 mm
19 in
 
470 mm
18.5 in
Lift Height
400 mm
15.7 in
 
402 mm
16 in
 
400 mm
15.7 in
Cooling System
5.5 l
1.5 gal (US)
 
4.7 l
1.2 gal (US)
 
5.5 l
1.5 gal (US)
Engine Oil
7 l
1.8 gal (US)
 
5.7 l
1.5 gal (US)
 
9.5 l
2.5 gal (US)
Hydraulic Tank
42.3 l
11.2 gal (US)
 
47 l
12.4 gal (US)
 
42.3 l
11.2 gal (US)
Fuel Tank
46 l
12.2 gal (US)
 
45 l
11.9 gal (US)
 
46 l
12.2 gal (US)
Hydraulic System
65 l
17.2 gal (US)
 
65 l
17.2 gal (US)
 
65 l
17.2 gal (US)
MSC Spec Date
3/06
3/06
Number of Carrier Rollers
1
1
Track Roller Type
Center Flange
Center Flange
Number of Track Rollers
4
4
Top Guard
ISO 10262:1998 (Level I)
ISO 10262:1998 (Level I)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
ISO 12117:1997
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
Stick Length - Standard
1260 mm
50 in
 
1315 mm
52 in
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.
 
-
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
Weight - Canopy, Standard Stick
-
 
3925 kg
8655 lb
Weight - Canopy, Long Stick
-
 
3955 kg
8721 lb
Weight - Cab, Long Stick
-
 
4080 kg
8996 lb
Weight - Cab, Standard Stick
-
 
4050 kg
8930 lb
Dig Depth
3430 mm
135 in
Maximum Dig Height
5070 mm
200 in
Maximum Reach
5590 mm
220 in
Vertical Wall
2560 mm
101 in
O/A Shipping Height
2500 mm
98 in
Boom Swing - Right
735 mm
29 in
Maximum Blade Depth
470 mm
19 in
O/A Track Width
1950 mm
77 in
Maximum Dump Clearance
3690 mm
145 in
Swing Bearing - Height
565 mm
22 in
Boom Height - Shipping Position
1770 mm
70 in
Track Belt/Shoe Width
350 mm
14 in
O/A Shipping Length
4930 mm
194 in
Maximum Reach - Ground Level
5470 mm
215 in
O/A Undercarriage Length
2220 mm
87 in
Maximum Blade Height
400 mm
16 in
Tail Swing
975 mm
38 in
Boom Swing - Left
670 mm
26 in
Boom In Reach
2220 mm
87 in
Maximum Dig Height
4980 mm
196 in
Swing Bearing - Height
565 mm
22 in
Maximum Dump Clearance
3590 mm
141 in
Boom Swing - Left
670 mm
26 in
Boom In Reach
2110 mm
83 in
Maximum Blade Depth
470 mm
19 in
O/A Shipping Height
2500 mm
98 in
Maximum Reach
5350 mm
211 in
Vertical Wall
2420 mm
95 in
Maximum Reach - Ground Level
5220 mm
206 in
Track Belt/Shoe Width
350 mm
14 in
Maximum Blade Height
400 mm
16 in
O/A Track Width
1950 mm
77 in
Boom Height - Shipping Position
1480 mm
58 in
O/A Undercarriage Length
2220 mm
87 in
Dig Depth
3130 mm
123 in
Tail Swing
975 mm
38 in
O/A Shipping Length
4820 mm
190 in
Boom Swing - Right
735 mm
29 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)
Exterior Sound Power Level - ISO 6395:2008*
96 dB(A)
96 dB(A)
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
X
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