Cat Excavators 312E

Cat Excavators 312E

Specifications :

Engine

Engine Model

Cat® C4.4 ACERT™

Bore

105 mm

Stroke

127 mm

Displacement

4.4 L

Gross Power – SAE J1995

71 kW

Net Power – SAE J1349

68 kW

Weights

Maximum Operating Weight

15000 kg

Maximum Operating Weight**

15000 kg

Minimum Operating Weight

13500 kg

Minimum Operating Weight*

13500 kg

Swing Mechanism

Swing Torque

30.9 kN·m

Swing Speed

11.5 RPM

Drive

Maximum Drawbar Pull

114 kN

Maximum Travel Speed

5.5 km/h

Hydraulic System

Maximum Pressure – Travel

35000 kPa

Maximum Pressure – Swing

23000 kPa

Pilot System – Maximum Flow

21.9 L/min

Pilot System – Maximum Pressure

4120 kPa

Boom Cylinder – Bore

110 mm

Boom Cylinder – Stroke

1015 mm

Stick Cylinder – Bore

120 mm

Stick Cylinder – Stroke

1197 mm

Bucket Cylinder – Bore

100 mm

Bucket Cylinder – Stroke

939 mm

Main System – Maximum Flow (Total)

254 L/min

Maximum Pressure – Equipment

30500 kPa

Swing System – Maximum Flow

127 L/min

Service Refill Capacities

Cooling System

22 L

Final Drive (each)

3 L

Hydraulic System (including Tank)

164 L

Hydraulic Tank

90.6 L

Engine Oil (with filter)

13.5 L

Fuel Tank Capacity

250 L

Swing Drive

2.4 L

Standards

Brakes

ISO 10265 2008

Cab/OPG

ISO 10262 1998

ROPS Cab

ISO 12117-2

Track

Number of Carrier Rollers (each side) – Long Undercarriage

2 pieces

Number of Shoes (each side) – Long Undercarriage

46 pieces

Number of Track Rollers (each side) – Long Undercarriage

7 pieces

Sound Performance

Operator Noise (Closed) – ISO 6396

69 dB(A)

Spectator Noise – ISO 6395

100 dB(A)

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