Caterpillar 312D excavator parameter configuration

Specifications

Machine operating weight (kg) 12920

Bucket capacity (m³) 0.52

Boom length (mm) 2800

Arm length (mm) 3000

Origin Xuzhou

Tonnage (tons) 12

Power Traditional power

Bucket backhoe

Manufacturer joint venture/imported

Power Traditional power

Performance

Slewing speed (rpm) 12.4

Travel speed (km/h) 3.4/5.5

Gradability (%) 70/35°

Bucket excavation Force (kN) 96

Arm digging force (kN) 62

Power system

Engine model C4.2ACERT

Rated power (kw/rpm) 72/2200

Displacement (L) 4.25

Cylinder diameter × stroke (mm) 102 × 130

Cooling method Water cooling

Hydraulic system

Main pump maximum flow (l/min) 127

Working hydraulic oil circuit (Mpa) 3.05

Travel hydraulic circuit (Mpa) 3.5

Slewing hydraulic circuit (Mpa) )2.3

Pilot oil circuit (MPa)4.12

Boom cylinder - number × cylinder diameter × stroke (mm)110×1015

Arm cylinder - number × cylinder diameter × stroke (mm)120×1197

Bucket cylinder - number × cylinder diameter × stroke (mm)100×939

Is the hydraulic crushing pipeline standard?

Oil capacity

Fuel tank (L)250

Hydraulic oil tank (L)150

Hydraulic system (L)162 (including oil tank)

Engine oil replacement amount (L)19.5

Coolant (L )17.9

Main dimensions

Total length for transport (mm)7590

Total width for transport (mm)2590

Total height for transport (mm)2970

Total height of cab (mm)2760

Counterweight ground clearance (mm)915

Track ground length (mm)2780

Total length of crawler (mm)3490

Track shoe width (mm)500

Total width of crawler (mm)2590

Track gauge (mm)1990

Minimum ground clearance (mm)430

Operating range

Maximum digging radius of parking surface (mm)8430

Maximum digging depth (mm)5840

Maximum digging height (mm)8580

Maximum unloading height (mm)6210

Maximum vertical digging depth (mm)5160

Maximum effective digging depth (mm)5640

Bulldozer blade width × height (mm) without bulldozer

Bulldozer lifting or pushing depth (mm) without bulldozer