Cat312C excavator specs
Working weight (kg): 12780
Bucket capacity : 0.55m³
Engine type:Mitsubishi 3046t
Rated power (kw/rpm): 70.1/1950
Displacement (l): 4.3
Boom length (mm): 4650
Rod length (mm): 3000
Country of origin: Japan
Rotation speed (rpm): 12.9
Travel speed (km/h): 3.4/5.5
Climbing ability (%): 70/35°
Bucket digging force (kn): 62
Bucket rod digging force (kn): 96
Number of cylinders: 6
Cylinder diameter × stroke (mm×mm): 102×130
Cooling method: water cooling
Hydraulic system
Main overflow pressure (mpa): 34.3
Main pump large flow (l/min): 126.8
Working hydraulic circuit (mpa): 3.05
Walking hydraulic circuit (mpa): 3.5
Rotary hydraulic circuit (mpa): 2.3
Pilot oil circuit (mpa): 4.12
Boom cylinder – Number × cylinder diameter × stroke (mm): 110×1015
Bucket rod cylinder – number × cylinder diameter × stroke (mm): 120×1197
Bucket cylinder – Number × cylinder diameter × stroke (mm): 100×939
The maximum digging depth is 5550mm.
The maximum excavation height is 8475mm.
The maximum unloading height is 6095mm.
The maximum vertical digging depth is 4970mm.
