339 / 2440
7-10 Edition 47
Hydraulic
Excavators
Specifications
MODEL
302.2D
302.4D
302.7D CR
Region Offerings
Europe, Africa, Middle East
North America,
South America, Canada,
Australia, New Zealand,
Europe, Africa, Middle East
North America,
South America, Canada,
Australia, New Zealand,
Europe, Africa, Middle East
Flywheel Power
13.2 kW
18 hp
13.2 kW
18 hp
15.2 kW
20.7 hp
OperatingWeight*
2135 kW
4707 lb
2320 kg
5115 lb
2670 kg
5885 lb
Bucket Capacity Range (heaped)
0.035-
0.092 m
3
0.046-
0.12 yd
3
0.035-
0.092 m
3
0.046-
0.12 yd
3
0.035-
0.092 m
3
0.046-
0.12 yd
3
Engine Model
Yanmar 3TNV76
Yanmar 3TNV76
Yanmar 3TNV76
Emission Standards
Stage IIIB
Tier 4 Final/Stage IIIB
Tier 4 Final/Stage IIIB
Rated Engine RPM
2200
2200
2200
No. of Cylinders
3
3
3
Displacement
1116 cm
3
68.1 in
3
1116 cm
3
68.1 in
3
1115 cm
3
68 in
3
Max. Implement Hydraulic Pump
Output at Rated RPM
23.8 +
23.8 + 19 +
6.4 L/min
6.29 +
6.29 + 5 +
1.7 gpm
26.1 +
26.1 + 19.4 +
6.4 L/m
6.9 +
6.9 + 5.1 +
1.7 gpm
2 × 30.5/
21.2 +
7.2 L/min
2 × 8.1/
5.6 + 1.9 gpm
Relief Valve Settings:
Implement Circuits
30 L/min
@ 170 bar
8 gpm
@ 2465 psi
24 MPa
3480 psi
22.5 MPa
3263 psi
Travel Circuits
—
24 MPa
3480 psi
22.5 MPa
3263 psi
Swing Circuits
17 L/min
@ 200 bar
4.5 gpm
@ 2900 psi
15 MPa
2176 psi
20.6 MPa
2987 psi
Two Speed Travel
Two Speed Travel
Two Speed Travel
MaximumTravel Speed at Rated RPM Lo: 2.8 km/h
1.74 mph
Lo: 2.5 km/h
1.55 mph
Lo: 2.1 km/h
1.3 mph
Hi: 5.6 km/h
3.48 mph
Hi: 4.0 km/h
2.5 mph
Hi: 3.8 km/h
2.4 mph
Width of Standard Track Shoe
250 mm
10"
250 mm
10"
300 mm
12"
Overall Track Length
1710 mm
5'7"
1840 mm
6'0"
2006 mm
79"
Track Gauge:
Standard Undercarriage
—
1150 mm
44"
1270 mm
50"
VariableWidth Undercarriage
740-1050 mm
2'5"-3'5"
—
—
Fuel Tank Refill Capacity
24 L
6.3 U.S. gal
24 L
6.3 U.S. gal
35.2 L
9.3 U.S. gal
Hydraulic System (includes tank)
21 L
5.5 U.S. gal
21 L
5.5 U.S. gal
26.5 L
7.0 U.S. gal
*Operating weight includes coolant, lubricants, full fuel tank, cab, standard shoes, bucket, medium stick, and operator 75 kg
(165 lb)
.
NOTE:
Certain models may not be available in all Sales areas.
Specifications also vary by Sales area.
Contact your Cat dealer for details.