340 / 2440
Hydraulic
Excavators
Specifications
7
Edition 47 7-11
MODEL
303E CR
303.5E CR
303.5E2 CR
Region Offerings
North America,
South America, Canada,
Australia, New Zealand
North America,
South America, Canada,
Australia, New Zealand,
Europe, Africa, Middle East
North America**,
South America***,
Canada***, Australia***,
New Zealand***, Africa***,
Middle East***
Flywheel Power
17.5 kW
23.5 hp
23.6 kW
31.6 hp
17.5 kW
23.5 hp
OperatingWeight*
3530 kg
7782 lb
3692 kg
8139 lb
3860 kg
8511 lb
Bucket Capacity Range (heaped)
0.05-0.20 m
3
0.06-0.26 yd
3
0.05-0.16 m
3
0.06-0.21 yd
3
0.05-0.16 m
3
0.06-0.21 yd
3
Engine Model
Cat
®
C1.3
Cat C1.8
Cat C1.7
Emission Standards
Tier 4 Final/Stage IIIB
Tier 4 Interim/
Stage IIIB Equivalent
Tier 4 Final/Stage IIIB**
OR
Tier 4 Interim/
Stage IIIB Equivalent***
Rated Engine RPM
2400
2400
2200
No. of Cylinders
3
3
3
Bore
78 mm
3.1"
87 mm
3.4"
87 mm
3.4"
Stroke
88 mm
3.5"
102.4 mm
4"
92.4 mm
3.6"
Displacement
1.261 L
77 in
3
1.8 L
110 in
3
1.7 L
104 in
3
Max. Implement Hydraulic Pump
Output at Rated RPM
87.6 L/min
23.14 gpm
87.6 L/min
23.14 gpm
100 L/min
26.4 gpm
Relief Valve Settings:
Implement Circuits
24.5 MPa
3553 psi
24.5 MPa
3553 psi
24.5 MPa
3553 psi
Travel Circuits
24.5 MPa
3553 psi
24.5 MPa
3553 psi
24.5 MPa
3553 psi
Swing Circuits
18.1 MPa
2625 psi
18.1 MPa
2625 psi
21.6 MPa
3132 psi
Maximum Drawbar Pull
30.9 kN
6947 lbf
31.0 kN
6969 lbf
31.1 kN
6992 lbf
Two Speed Travel
Two Speed Travel
Two Speed Travel
MaximumTravel Speed at Rated RPM Lo: 2.42 km/h
1.5 mph
Lo: 2.6 km/h
1.6 mph
Lo: 3.2 km/h
2.0 mph
Hi: 4.51 km/h
2.8 mph
Hi: 4.6 km/h
2.8 mph
Hi: 4.6 km/h
2.9 mph
Width of Standard Track Shoe
300 mm
12"
300 mm
12"
300 mm
1'0"
Overall Track Length
2210 mm
7'3"
2220 mm
7'3"
2220 mm
7'3"
Ground Contact Area with Std. Shoe
1.1 m
2
1705 in
2
1.19 m
2
1845 in
2
1.19 m
2
1845 in
2
Track Gauge
1250 mm
48"
1480 mm
58"
1480 mm
58"
Fuel Tank Refill Capacity
45 L
11.9 U.S. gal
46 L
12.2 U.S. gal
46 L
12.2 U.S. gal
Hydraulic System (includes tank)
65 L
17.2 U.S. gal
65 L
17.2 U.S. gal
65 L
17.2 U.S. gal
*Operating weight includes coolant, lubricants, full fuel tank, cab, standard shoes, bucket, medium stick, and operator 75 kg
(165 lb)
.
**Meets Tier 4 Final/Stage IIIB emission standards.
***Meets Tier 4 Interim/Stage IIIB Equivalent emission standards.
NOTE:
Certain models may not be available in all Sales areas.
Specifications also vary by Sales area.
Contact your Cat dealer for details.