312D / 312D L

Small Excavators

Achieve high productivity and lower operating costs with the Cat 312D and 312D L hydraulic excavators. Unmatched versatility, improved controllability, easy operation and a comfortable redesigned cab make the 312D an industry leading performer.

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Engine Model C4.2 ACERT

Flywheel Power 67 kW

Gross Power 72 kW

Bore 102 mm

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312D / 312D L

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FEATURES & BENEFITS

Operator Station

Operator ComfortExperience a spacious, quiet and comfortable operator station. The cab is pressurized to 0.5 bar to reduce the amount of dust that enters the cab, keeping... Read more

Engine

EngineThe Cat C4.2 engine with ACERT technology optimizes performance and meets EU Stage IIIA emissions regulations. In conjunction with integrated electronics, ACERT tec... Read more

Hydraulics

Outstanding PerformanceWith two percent more hydraulic pressure for additional lift and breakout forces, the 312D's hydraulic system is designed for high efficiency and p... Read more

Undercarriage and Structures

Undercarriage and StructuresCaterpillar uses advanced engineering and software to analyze all structures, creating a durable, reliable machine for the toughest applicatio... Read more

Front Linkage

Front LinkageBuilt for performance and long service life, Cat booms and sticks are welded, box section structures with thick multi plate high strength steel fabrications.... Read more

Versatility

Hydraulic and Pilot ConfigurationsHigh pressure systems, medium pressure systems and electrical pilot controls are available as independent and combinable attachments to... Read more

Serviceability

ServiceabilityDesigned with the service technician in mind, many service locations are at ground level so critical maintenance can be done quickly and efficiently. Longer... Read more

Product Link

Product LinkThe 315D L can be equipped with Product Link PL321SR as optional feature. This system provides permanent location, operating hours and machine health informat... Read more

Customer Support

Customer SupportYour Cat dealer is ready to assist you with your purchase decision and everything after. Make detailed comparisons of the machines you are considering be... Read more

SPECIFICATIONS FOR 312D / 312D L

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Engine

Engine Model	C4.2 ACERT
Flywheel Power	67 kW
Gross Power	72 kW
Bore	102 mm
Stroke	130 mm
Displacement	4.25 l

Weights

Operating Weight	13470 kg
Operating Weight - Long Undercarriage	13470 kg

Swing Mechanism

Swing Torque	31 kN·m
Swing Speed	12.4 r/min

Drive

Maximum Drawbar Pull	114 kN
Maximum Travel Speed	5.5 km/h

Hydraulic System

Main Implement System - Maximum Flow (2x)	127 l/min
Maximum Pressure - Implements	305 kPa
Maximum Pressure - Travel	350 kPa
Maximum Pressure - Swing	230 kPa
Pilot System - Maximum Flow	22 l/min
Pilot System - Maximum Pressure	41 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

Service Refill Capacities

Fuel Tank	250 l
Cooling System	18 l
Engine Oil	20 l
Swing Drive - Each	3 l
Final Drive - Each	3 l
Hydraulic System - Including Tank	162 l
Hydraulic Tank	150 l

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PAYMENT & DELIVERY

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