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name:  Caterpillar 312D2
ID:  312D2
category:  Excavator
Specification:  8Ton Crawler Excavator
notes:  Achieve high productivity and lower operating costs with the Cat 312D2/D2 L Series hydraulic excavator. Unmatched versatility, improved controllability, easy operation, and a comfortable, redesigned operator station help make the 312D2/D2 L Series an industry-leading performer.

Detail:

Full Model    
307E   305.5E   313D2  308E   312D2 GC   306E2   M315D2    
324D   329D/329DL   320D2   326DL   M322D   M316D   323D2L    
318D2L   326D2   M318D   M317D2   329D2   M320D2   320D2 GC    
336D/336DL   349D/349DL   336D2/D2L   336D2 GC   349D2    
336D2 XE   340D2 L   390F L   390D/390DL   374F L   374DL
    
Engine
Engine Model                                    3054C
Flywheel Power                                 67.0 kW
Bore                                                 105.0 mm
Stroke                                              127.0 mm
Displacement                                    4.4 L
Engine Power (ISO 14396)               70.0 kW
Net Power (SAE J1349/ISO 9249)     67.0 kW
Net Power - ISO 14396                     70.0 kW

Weights
Operating Weight                                                                13900.0 kg
Operating Weight - Long Undercarriage                               13 200 kg-13 900 kg
Long Undercarriage - Maximum Operating Weight               13900.0 kg
Long Undercarriage - Minimum Operating Weight                 13200.0 kg
Standard Undercarriage - Maximum Operating Weight         13600.0 kg
Standard Undercarriage - Minimum Operating Weight           12900.0 kg
Standard Undercarriage                                                        12 900 kg-13 600 kg 

Swing Mechanism
Swing Torque                           30.9 kN·m
Swing Speed                            12.2 RPM

Drive
Maximum Drawbar Pull                114.0 kN
Maximum Travel Speed                5.6 km/h

Hydraulic System
Maximum Pressure - Travel                     35000.0 kPa
Maximum Pressure - Swing                     23000.0 kPa
Pilot System - Maximum Pressure            4120.0 kPa
Boom Cylinder - Bore                              110.0 mm
Boom Cylinder - Stroke                           1015.0 mm
Stick Cylinder - Bore                                120.0 mm
Stick Cylinder - Stroke                             1197.0 mm
Bucket Cylinder - Bore                             100.0 mm
Bucket Cylinder - Stroke                          939.0 mm
Main System - Maximum Flow (Total)       254.0 L/min
Maximum Pressure - Equipment               30500.0 kPa
Pilot System - Maximum Flow                   21.9 L/min
Swing System - Maximum Flow                127.0 L/min

Service Refill Capacities
Cooling System                                    17.88 L
Final Drive (each)                                  3.0 L
Hydraulic System (including tank)         104.0 L
Hydraulic Tank                                      90.6 L
Engine Oil (with filter)                            16.0 L
Fuel Tank Capacity                                250.0 L
Swing Drive                                           3.0 L

Copyright: CHINA WOFOTO GROUP CO.,LIMITED.Nanfang Mansion,Yuemachang,Wuchang district,Wuhan,China      E-mail:wofoto@wofoto.com, wofoto@hotmail.com