312C L Hydraulic Excavator

Overview & Specifications

Engine

Engine Model

Cat® 3064T

Cat® 3064T

Flywheel Power

90 hp

67 kW

Gross Power

94 hp

70 kW

ISO 9249

90 hp

67 kW

SAE J1349

90 hp

67 kW

EEC 80/1269

90 hp

67 kW

Bore

4 in

102 mm

Stroke

5.1 in

130 mm

Displacement

259 in3

4.25 L

Weights

Operating Weight

28970 lb

13140 kg

Operating Weight – Long Undercarriage

29010 lb

13160 kg

Swing Mechanism

Swing Torque

22830 lb ft

30950 kN·m

Swing Speed

12.4 RPM

12.4 RPM

Drive

Maximum Drawbar Pull

25200 lb

112 kN

Travel Speed

3.5 mph

5.7 km/h

Hydraulic System

Main Implement System – Maximum Flow (2x)

33.5 gal/min

127 L/min

Maximum Pressure – Implements

4340 psi

29900 kPa

Maximum Pressure – Travel

4980 psi

34300 kPa

Maximum Pressure – Swing

3340 psi

23000 kPa

Pilot System – Maximum Flow

6.3 gal/min

23.7 L/min

Pilot System – Maximum Pressure

600 psi

4120 kPa

Blade – Maximum Flow

15.5 gal/min

58.5 L/min

Blade System - Maximum Pressure

2990 psi

20600 kPa

Boom Cylinder – Bore

4.3 in

110 mm

Boom Cylinder – Stroke

40 in

1015 mm

Stick Cylinder – Bore

4.7 in

120 mm

Stick Cylinder – Stroke

47.1 in

1197 mm

Bucket Cylinder – Bore

3.9 in

100 mm

Bucket Cylinder – Stroke

37 in

939 mm

Service Refill Capacities

Fuel Tank

66 gal

250 L

Cooling System

4.6 gal

17.5 L

Engine Oil

4.6 gal

17.5 L

Swing Drive (each)

0.79 gal

3 L

Final Drive (each)

0.66 gal

2.5 L

Hydraulic System (including Tank)

42.8 gal

162 L

Hydraulic Tank

23.8 gal

90 L

Dimensions

Transport width

30.31 in

770 mm