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Cat 308C CR
November 12, 2007

The Cat 308C CR hydraulic excavators are powered by 54-net-horsepower Mitsubishi 4M40E1 engines. With a 17,730-pound operating weight, the 308C CR digs up to 13.45 feet with the standard stick, and it has a maximum reach on ground level with the standard stick of 20.67 feet. It travels 3.3 mph around the jobsite, and its hydraulic system has 3,980 psi of operating pressure.

 

 

 

 

 

 

Engine

Units:  US 

Engine

Mitsubishi 4M40E1

Mitsubishi 4M40E1

Net Power

54 hp

41 kW

Gross power

55 hp

41 kW

Weights

 

Operating Weight

17730 lb

8040 kg

Dimensions

 

Max digging depth – standard stick

13.45 ft

4140 mm

Max reach ground level – standard stick

20.67 ft

6250 mm

Shipping length

19.1 ft

5830 mm

Center ground clearance

1.25 ft

384 mm

Track gauge

6.1 ft

1870 mm

Swing radius – rear

4.2 ft

1290 mm

Stick length – standard stick

5.5 ft

1665 mm

Stick length – long stick

7.3 ft

2110 mm

Max digging depth – long stick

15.4 ft

4690 mm

Max vertical dig depth – standard stick

11.8 ft

3600 mm

Max vertical dig depth – long stick

13.5 ft

4120 mm

Max reach ground level – long stick

22.2 ft

6770 mm

Max cutting height – standard stick

24.2 ft

7390 mm

Max cutting height – long stick

25.6 ft

7810 mm

Max dump height – standard stick

17.2 ft

5250 mm

Max dump height – long stick

18.6 ft

5670 mm

Engine Dimensions

 

Bore

3.7 in

95 mm

Stroke

4 in

100 mm

Displacement

173 in3

2.84 L

Travel System

 

Travel speed – high

3.3 mph

5.3 km/h

Hydraulic System

 

Operating pressures – equipment

3980 psi

274.6 bar

Operating pressure – travel

4550 psi

313.8 bar

Operating pressure – swing

3480 psi

196.1 bar

Digging forces – stick (standard)

7850 lb

35 kN

Digging force – stick (long)

6880 lb

31 kN

Digging force – bucket

9820 lb

44 kN

Digging force – Bucket

9820 lb

44 kN

Swing System

 

Machine swing speed

11.5 RPM

11.5 RPM

Service Refill Capacities

 

Cooling system

4 gal

15 L

Engine oil

2.6 gal

10 L

Fuel tank

30.4 gal

115 L

Hydraulic tank

14.5 gal

55 L

Hydraulic system

24.3 gal

.