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312E/312E L

Small Excavators

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Engine Model Cat C4.4 ACERT
Flywheel Power 70 kW
Bore 105 mm
Stroke 127 mm
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312E/312E L
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FEATURES & BENEFITS

Engine

Cat C4.4 ACERT EngineThe Cat C4.4 ACERT engine delivers the same level of performance using significantly less fuel than the previous series engine.Emissions SolutionEqui... Read more

Operator Station

SeatsThe seat range includes air suspension, heated, and air cooled options. All seats include a reclining back, upper and lower seat slide adjustments and height and til... Read more

Hydraulics

Main Control Valve and Auxiliary ValvesThe 312E uses a high-pressure system to tackle the toughest of work in short order. The machine features a highly efficient and sim... Read more

Structures & Undercarriage

FrameThe upper frame includes reinforced mountings to support the Roll-Over Protective Structure (ROPS) cab; the lower frame is reinforced to increase component durabilit... Read more

Front Linkage

Booms and SticksThe 312E is offered with reach and variable angle booms and four stick configurations: R2.1 m, R2.5 m, and R3.0 m (with and without Cat Grade Control). Ea... Read more

Work Tools

An extensive range of Cat Work Tools for the 312E includes buckets, compactors, grapples and hammers. Each is designed to optimize the versatility and performance of your... Read more

Integrated Technologies

Cat Grade Control Depth and SlopeThis optional system combines traditional machine control and guidance with standard factory-installed and calibrated components, making... Read more

Serviceability

Service DoorsWide service doors feature sturdier hinges and latches and a new screen design to help prevent debris entry; a one-piece hood provides easier access to the e... Read more

Safety

ROPS CabThe ROPS-certified cab allows an Operator Protective Guard (OPG) to be bolted directly to it.Sound ProofingDue to improved sealing and cab roof lining, noise leve... Read more

SPECIFICATIONS FOR 312E/312E L

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Engine
Engine Model Cat C4.4 ACERT
Flywheel Power 70 kW
Bore 105 mm
Stroke 127 mm
Displacement 4.4 l
Net Power - ISO 14396 70 kW
Power - ISO 9249 - Imperial 68 kW
Power - ISO 14396 - Imperial 70 kW
Power - ISO 9249 - Metric 68 kW
Power - ISO 14396 - Metric 70 kW
Weights
Operating Weight 14450 kg
Minimum Operating Weight* 13200 kg
Minimum Operating Weight 13200 kg
Maximum Operating Weight 15700 kg
Maximum Operating Weight** 15700 kg
Swing Mechanism
Swing Speed 11.5 r/min
Drive
Maximum Drawbar Pull 114 kN
Gradeability 35°/70%
Maximum Travel Speed 5.5 km/h
Hydraulic System
Maximum Pressure - Travel 35000 kPa
Maximum Pressure - Swing 23000 kPa
Pilot System - Maximum Flow 21.9 l/min
Pilot System - Maximum Pressure 4120 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
Main System - Maximum Flow - Total 254 l/min
Swing System - Maximum Flow 127 l/min
Maximum Pressure - Equipment 30500 kPa
Service Refill Capacities
Cooling System 22 l
Swing Drive - Each 2.4 l
Final Drive - Each 3 l
Engine Oil - With Filter 13.5 l
Hydraulic System Oil Capacity - Including Tank 162 l
Hydraulic Tank Oil 103 l
Fuel Tank Capacity 250 l
Standards
Cab/OPG ISO 10262 1998
ROPS Cab ISO 12117-2
Track
Number of Carrier Rollers - Each Side - Standard Undercarriage 1 piece
Number of Shoes - Each Side - Long Undercarriage 46 pieces
Number of Track Rollers - Each Side - Long Undercarriage 7 pieces
Number of Track Rollers - Each Side - Standard Undercarriage 6 pieces
Number of Shoes - Each Side - Standard Undercarriage 43 pieces
Number of Carrier Rollers - Each Side - Long Undercarriage 2 pieces
Sound Performance
Operator Noise (Closed) - ISO 6396 69 dB(A)
Spectator Noise - ISO 6395 100 dB(A)

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Bore 99 mm
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Flywheel Power 59 kW
Gross Power 61 kW
ISO 9249 59 kW
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Flywheel Power 67 kW
Bore 105 mm
Stroke 127 mm
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Engine Model Cat® C4.2 ACERT™
Flywheel Power 67 kW
Gross Power 72 kW
SAE J1349 67 kW
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Engine Model Cat® C3.4B
Flywheel Power 52 kW
Operating Weight 12000 kg
Maximum Bucket Capacity 0.5 m³
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Engine Model Cat® 3046T
Flywheel Power 82 kW
Gross Power 86 kW
ISO 9249 82 kW
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Net Power - ISO 9249 88 kW
Engine Model C4.4
Engine Power - ISO 14396 91 kW
Bore 105 mm
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of

related attachment

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General Duty

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

General Duty Bucket 1050 mm (42 in): 594-7618
Performance Hammers

H110 S
Hammers

H95Es

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