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Carries CAL TEST

Small Excavators

Achieve high productivity and lower operating costs with the Cat 312D/D L Series 2 hydraulic excavator. Unmatched versatility, improved controllability, easy operation, and a comfortable, redesigned operator station help make the 312D/D L Series 2 an industry-leading performer.

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Engine Model 3054C
Flywheel Power 67 kW
Bore 105 mm
Stroke 127 mm

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FEATURES & BENEFITS

Operator Station

Experience a spacious, quiet and comfortable operator station. The cab is pressurized to 50 Pa to reduce the amount of dust that enters the cab, keeping the operator comf... Read more

Engine

The Cat 3054C engine has been designed to meet Tier 2 and Stage II equivalent emission standards. This engine incorporates a time-proven mechanical governor and a low-pre... Read more

Hydraulics

Outstanding PerformanceThe 312D/D L Series 2 hydraulic system is designed for high efficiency and performance. Auxiliary hydraulic and electrical lines are routed to the... 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

Robust applications require robust machine designs. In order to meet your job site needs we use advanced engineering and software to analyze all structures, creating a du... Read more

Work Tools

Each Cat work tool is designed to optimize the versatility and performance of your machine. An extensive range which includes buckets, compactors, grapples, multi-process... Read more

Service and Maintenance

Ground Level ServiceThe design and layout of the 312D/D L Series 2 was made with the service technician in mind. Most service locations are easily accessible at ground le... 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 Carries CAL TEST

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Engine
Engine Model 3054C
Flywheel Power 67 kW
Bore 105 mm
Stroke 127 mm
Displacement 4.4 l
Net Power - SAE J1349/ISO 9249 67 kW
Engine Power - ISO 14396 70 kW
Net Power - ISO 14396 70 kW
Emissions The 312D/D L Series 2 with a powerful 3054C engine meets Tier 2 and Stage II equivalent emission standards.
Weights
Operating Weight 14100 kg
Operating Weight - Long Undercarriage - Maximum Operating Weight 14100 kg
Operating Weight - Long Undercarriage 13 400 kg-14 100 kg (29,540 lb-31,090 lb)
Operating Weight - Standard Undercarriage* 13 100 kg-13 800 kg (28,880 lb-30,420 lb)
Operating Weight - Standard Undercarriage - Maximum Operating Weight 13800 kg
Operating Weight - Long Undercarriage - Minimum Operating Weight 13400 kg
Operating Weight - Standard Undercarriage - Minimum Operating Weight 13100 kg
Note *Offering varies for different regions
Swing Mechanism
Swing Torque 30.9 kN·m
Swing Speed 12.2 r/min
Drive
Maximum Drawbar Pull 114 kN
Maximum Travel Speed 5.6 km/h
Hydraulic System
Swing System - Maximum Flow 127 l/min
Bucket Cylinder - Stroke 939 mm
Boom Cylinder - Stroke 1015 mm
Bucket Cylinder - Bore 100 mm
Boom Cylinder - Bore 110 mm
Stick Cylinder - Bore 120 mm
Main System - Maximum Flow - Total 254 l/min
Pilot System - Maximum Flow 21.9 l/min
Maximum Pressure - Equipment 30500 kPa
Pilot System - Maximum Pressure 4120 kPa
Stick Cylinder - Stroke 1197 mm
Maximum Pressure - Travel 35000 kPa
Maximum Pressure - Swing 23000 kPa
Service Refill Capacities
Cooling System 17.88 l
Final Drive - Each 3 l
Hydraulic System - Including Tank 104 l
Hydraulic Tank 90.6 l
Fuel Tank Capacity 250 l
Engine Oil - With Filter 16 l
Swing Drive 3 l

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Bore 99 mm
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Net Power - ISO 9249 52 kW
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Flywheel Power 70 kW
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