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312D2 GC

Small Excavators

Good machine performance combined with low owning and operating costs make the Cat 312D GC Series 2 hydraulic excavator the preferred machine of choice for utility contractors. Unmatched versatility, improved controllability, easy operation, and a comfortable, redesigned operator station help make the 312D GC Series 2 an industry-leading performer.

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Engine Model 3054C
Flywheel Power 56 kW
Bore 105 mm
Stroke 127 mm
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312D2 GC
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FEATURES & BENEFITS

Operator Station

Operator StationThe ergonomically designed operator station is spacious, quiet, and comfortable, assuring high productivity during a long work day. All switches are locat... Read more

Engine

The Cat 3054C engine has been designed to meet U.S. EPA Tier 2, EU Stage II, and China Nonroad II equivalent emission standards. This engine incorporates a time-proven me... Read more

Hydraulics

Outstanding PerformanceThe 312D GC Series 2 hydraulic system is designed for high efficiency and performance. Auxiliary hydraulic and electrical lines are routed to the b... Read more

Undercarriage and Structures

Caterpillar uses advanced engineering and software to analyze all structures, creating a durable, reliable machine for robust applications. More than 70 percent of the st... Read more

Front Linkage

Cat booms and sticks are welded, box-section structures with thick multi-plate high-strength steel fabrications. Service intervals are extended with self-lubricating bear... Read more

Versatility

Cat Buckets and Cat Ground Engaging Tools (GET) are designed and matched to the machine ensuring optimal performance and fuel consumption. They are built to Caterpillar s... Read more

Service and Maintenance

Ground Level ServiceThe design and layout of the 312D GC Series 2 was made with the service technician in mind. Most service locations are easily accessible at ground lev... Read more

Complete Customer Support

Product SupportYou will find nearly all parts at our dealer parts counter. Cat dealers utilize a worldwide computer network to find in-stock parts to minimize machine dow... Read more

SPECIFICATIONS FOR 312D2 GC

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Engine
Engine Model 3054C
Flywheel Power 56 kW
Bore 105 mm
Stroke 127 mm
Displacement 4.4 l
Engine Power - ISO 14396 59 kW
Net Power - SAE J1349/ISO 9249 56 kW
Sound Regulation 312D GC Series 2 meets Stage I of sound regulation.
Emissions The 312D GC Series 2 meets emission regulation of Tier 2, Stage II, and China Nonroad II equivalent emission standards.
Weights
Operating Weight 12500 kg
Operating Weight - Standard Undercarriage 12500 kg
Note Standard undercarriage: 500 mm shoes, 4.65 m reach boom, R2.5 stick, UD 0.53 m3 bucket.
Swing Mechanism
Swing Torque 30.9 kN·m
Swing Speed 11.2 r/min
Drive
Maximum Drawbar Pull 114 kN
Maximum Travel Speed 5.1 km/h
Hydraulic System
Bucket Cylinder - Bore 100 mm
Stick Cylinder - Stroke 1197 mm
Maximum Pressure - Swing 23000 kPa
Boom Cylinder - Stroke 1015 mm
Boom Cylinder - Bore 110 mm
Stick Cylinder - Bore 120 mm
Maximum Pressure - Equipment 30500 kPa
Maximum Pressure - Travel 35000 kPa
Bucket Cylinder - Stroke 939 mm
Pilot System - Maximum Pressure 4120 kPa
Pilot System - Maximum Flow 21.9 l/min
Main System - Maximum Flow - Total 232 l/min
Service Refill Capacities
Cooling System 18 l
Final Drive - Each 3 l
Hydraulic System - Including Tank 104 l
Hydraulic Tank 91 l
Engine Oil - With Filter 16 l
Swing Drive 3 l
Fuel Tank Capacity 250 l

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Gross Power 61 kW
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Flywheel Power 67 kW
Gross Power 72 kW
Bore 102 mm
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Net Power - ISO 9249 84 kW
Engine Model C4.4
Engine Power - ISO 14396 93 kW
Bore 105 mm
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Operating Weight 13200 kg
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General Duty

General Duty Bucket 1000 mm (39 in): 591-0062
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Performance Hammers

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How to buy

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