Caterpillar Performance Handbook, January 2017, SEBD0351-47

Specifications

Hydraulic Excavators

MODEL

311F L RR

312D2

312D2 GC

Region Offerings

North America, Europe, Australia, New Zealand and Polynesia, Japan

Asia Pacific

China

Engine Power: ISO 9249

52 kW 52 kW

67 kW 67 kW

56 kW 56 kW

70 hp 70 hp

90 hp 90 hp

75 hp 75 hp

SAE J1349

OperatingWeight*

12 400- 13 900 kg

12 900- 13 600 kg

12 500 kg

27,300- 30,600 lb

28,440- 29,980 lb 0.4-1.0 yd 3

27,560 lb

Bucket Capacity Range (heaped)

0.20-0.76 m 3

0.31-0.76 m 3

0.53 m 3

0.27-1.0 yd 3

0.69 yd 3

Engine Model

C3.4B

3054C

3054C

Emission Standards

Tier 4 Final/Stage IIIB/ Japan 2014 (Tier 4 Final)

Tier 2/Stage II Equivalent

China Nonroad Stage II Equivalent

Rated Engine RPM No. of Cylinders

1800

1800

1800

4

4

4

7

Bore

99 mm 110 mm

105 mm 127 mm

105 mm 127 mm

3.90" 4.33"

4.13" 5.00"

4.13" 5.00"

Stroke

Displacement

3.4 L

4.4 L

4.4 L

207 in 3

269 in 3

269 in 3

Max. Implement Hydraulic Pump Output at Rated RPM

2 × 125 L/min

2 × 127 L/min

2 × 127 L/min

2 × 33 gpm

2 × 34 gpm

2 × 34 gpm

Relief Valve Settings: Implement Circuits

30 500 kPa 35 000 kPa 23 000 kPa

30 500 kPa 35 000 kPa 23 000 kPa

30 500 kPa 35 000 kPa 23 000 kPa

4424 psi 5076 psi 3336 psi 598 psi 25,696 lb

4424 psi 5080 psi 3340 psi 600 psi 25,630 lbf

4424 psi 5076 psi 3336 psi 598 psi 25,628 lbf

Travel Circuits Swing Circuits Pilot Circuits

4120 kPa 114.3 kN

4100 kPa

4120 kPa

Maximum Drawbar Pull

114 kN

114 kN

Two Speed Travel

Two Speed Travel

Two Speed Travel

MaximumTravel Speed at Rated RPM Lo: 3.6 km/h

Lo: 3.8 km/h Hi: 5.6 km/h

Lo: 3.5 km/h Hi: 5.1 km/h

2.2 mph 3.4 mph

2.4 mph 3.5 mph

2.2 mph 3.2 mph

Hi: 5.4 km/h

Width of Standard Track Shoe

500 mm 3490 mm

500 mm 3490 mm

500 mm 3490 mm

1'8"

1'8"

20"

Overall Track Length

11'5"

11'5"

11'5"

Ground Contact Area with Std. Shoe

3.03 m 2

3.03 m 2

3.03 m 2

4700 in 2

4700 in 2

4700 in 2

Track Gauge

1990 mm

1990 mm

1990 mm

6'6"

6'6"

6'6"

Fuel Tank Refill Capacity

210 L 160 L

250 L 104 L

250 L 150 L

55.5 U.S. gal 42.3 U.S. gal

66 U.S. gal 27.5 U.S. gal

66 U.S. gal 39.6 U.S. gal

Hydraulic System (includes tank)

*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.

Edition 47 7-15