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312E/312E L

Small Excavators

Since its introduction in the 1990s, the 300 Series family of excavators has become the industry standard in general, quarry, and heavy construction applications. The all-new E Series and the 312E/312E L will continue that trend-setting standard. The 312E/312E L meets U.S. Environmental Protection Agency (EPA) Tier 4 Interim emission standards, European Union Stage IIIB emission standards, and Japan MLIT Step 4 emission standards. It is also built with several new fuel-saving and comfort-enabling features and benefits that will delight owners and operators. If you are looking for more productivity and comfort, less fuel consumption and emissions, and easier and more sensible serviceability, you will find it in the all-new 312E/312E L and the E Series family of 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 features air-suspension, heating and cooling. All seats include a reclining back, upper and lower seat slide adjustments and height and tilt angle adjustmen... Read more

Hydraulics

Main Control Valve and Auxiliary ValvesThe 312E/312E L uses a high-pressure system to tackle the toughest of work in short order. The machine features a highly efficient... 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/312E L comes standard with a 4.65 m (15'3") Reach Boom. Stick options include R2.5m (8'3"), R3.0m (9'10") and a Cat Grade Control R3.0m (9'10").... Read more

Work Tools

An extensive range of Cat Work Tools for the 312E/312E L includes buckets, grapples and hammers. Each is designed to optimize the versatility and performance of your mach... 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 cab allows an Operator Protective Guard (OPG) to be bolted directly to it.Sound ProofingDue to improved sealing and cab roof lining, noise levels inside... Read more

SPECIFICATIONS FOR 312E/312E L

Collapse All
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
Engine Rated Power - ISO 14396 70 kW
Weights
Operating Weight 14700 kg
Operating Weight - Long - Minimum 13500 kg
Operating Weight - Standard - Minimum 13100 kg
Operating Weight - Long - Maximum 15000 kg
Operating Weight - Standard - Maximum 14700 kg
Swing Mechanism
Swing Torque 30.9 kN·m
Swing Speed 11.5 r/min
Drive
Maximum Drawbar Pull 114 kN
Maximum Travel Speed 5.5 km/h
Hydraulic System
Maximum Pressure - Travel 35000 kPa
Maximum Pressure - Swing 23000 kPa
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
Maximum Pressure - Equipment 30500 kPa
Pilot System - Maximum Flow 21.9 L/min (1,336 in3/min)
Main System - Maximum Flow - Total 2 × 127 L/min (2 × 34 gal/min)
Service Refill Capacities
Cooling System 22 l
Swing Drive - Each 2.4 l
Final Drive - Each 3 l
Hydraulic System - Including Tank 164 l
Hydraulic Tank 90.6 l
Engine Oil - With Filter 13.5 l
Fuel Tank Capacity 250 l
Standards
ROPS Cab ISO 12117-2
Cab/OPG ISO 10262 1998
Brakes ISO 10265 2008
Track
Number of Track Rollers - Each Side - Standard Undercarriage 6 pieces
Number of Track Rollers - Each Side - Long Undercarriage 7 pieces
Number of Carrier Rollers - Each Side - Standard Undercarriage 1 piece
Number of Shoes - Each Side - Long Undercarriage 46 pieces
Number of Carrier Rollers - Each Side - Long Undercarriage 2 pieces
Number of Shoes - Each Side - Standard Undercarriage 43 pieces
Sound Performance
Spectator Noise - ISO 6395 100 dB(A)
Operator Noise (Closed) - ISO 6396 69 dB(A)

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Engine Model 3054C
Flywheel Power 72 kW
Bore 105 mm
Stroke 127 mm
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Net Power - ISO 9249 70.6 kW
Engine Model Cat C3.6
Engine Power - ISO 14396 74.4 kW
Bore 98 mm
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313F GC

Net Power - ISO 9249 52 kW
Engine Model C3.4B
Engine Power - ISO 14396 55 kW
Bore 99 mm
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Engine Model Cat® C3.4B
Bore 99 mm
Stroke 110 mm
Displacement 3.4 l
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314E L CR

Engine Model Cat® C4.4 ACERT™
Flywheel Power 67 kW
Bore 105 mm
Stroke 127 mm
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311B

Engine Model Cat 3064T
Flywheel Power 59 kW
Gross Power 63 kW
ISO 9249 59 kW
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312D/312D L

Engine Model Cat® C4.2 ACERT™
Flywheel Power 67 kW
Gross Power 72 kW
SAE J1349 67 kW
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Engine Model 3064T
Flywheel Power 67 kW
Gross Power 70 kW
ISO 9249 67 kW
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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

How to buy

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