Used Caterpillar 340D2L Excavator

Reading: 2018

Here is a detailed English introduction to the Caterpillar 340D2L hydraulic excavator, covering its key features, technology, performance and specifications.

CATERPILLAR 340D2L Hydraulic Excavator – Detailed Introduction

The Caterpillar 340D2L is a 40-tonne class tracked hydraulic excavator designed for heavy construction, quarrying, mining and large-scale infrastructure projects. As part of the D2 Series, it delivers enhanced fuel efficiency, lower emissions, improved operator comfort and advanced connectivity, while maintaining the legendary durability and high productivity expected from Caterpillar equipment. The "L" designation indicates a long undercarriage, which provides superior stability and lifting capacity across a wide range of applications.

Engine and Emissions TechnologyAt the heart of the 340D2L is a Cat C9.3 ACERT™ diesel engine. This 6-cylinder, electronically controlled powerplant meets stringent U.S. EPA Tier 4 Final / EU Stage IV emission standards. The engine utilises a clean emissions module featuring a Diesel Oxidation Catalyst (DOC) and Selective Catalytic Reduction (SCR) system, eliminating the need for a Diesel Particulate Filter (DPF) and reducing operator intervention.

Net power (ISO 9249): 198 kW (265 hp) at 1,800 rpm
Gross power (ISO 14396): 200 kW (268 hp)
The advanced engine management system automatically adjusts fuel delivery for optimum performance. Three selectable power modes – High, Standard and Eco – allow operators to match machine output to the task, significantly lowering fuel consumption during lighter work. An automatic engine speed control reduces rpm when the hydraulics are not active, further saving fuel and reducing sound levels.

Hydraulic System and PerformanceThe 340D2L features a state-of-the-art load-sensing hydraulic system with two variable-displacement piston pumps and a dedicated pilot pump. Cross-sensing technology guarantees that engine power is fully utilised in all digging conditions, while pump flow is precisely matched to demand, minimising energy loss.
Key hydraulic features include:

Boom and arm regeneration circuits that recycle oil to reduce cycle times and increase efficiency.
Priority valves giving the operator smooth, combined movements and fast response.
Heavy lift mode that boosts lifting capacity by increasing system pressure at the touch of a button.
Maximum total implement flow: 2 x 252 L/min, providing powerful breakout forces and rapid cycle speeds.
Typical bucket digging force (ISO) reaches approximately 223 kN, and arm digging force is around 178 kN, enabling the excavator to handle dense soils, blasted rock and heavy demolition attachments with ease.

Operator Environment and ComfortThe cab of the 340D2L is a pressurised, sound-suppressed ROPS (Roll Over Protective Structure) environment that sets a benchmark in operator comfort and safety.

A fully adjustable air-suspension seat with heated and cooled options reduces fatigue during long shifts.
Low-effort joystick controls are ergonomically positioned and can be customised with auxiliary functions.
A high-resolution 7-inch (178 mm) LCD colour monitor provides access to machine parameters, rear-view camera feed, fuel consumption data and service reminders.
Automatic climate control maintains a consistent cabin temperature.
Viscous cab mounts isolate the operator from machine vibration, while improved sound insulation keeps interior noise levels extremely low.
Excellent all-round visibility is enhanced by a standard rear-view camera and large mirrors; optional 360° camera systems are available.

Structures, Durability and ServiceabilityCaterpillar excavators are built for multiple life cycles, and the 340D2L is no exception. The main frame, track frames and front linkage undergo extensive finite element analysis and stress-relieving processes.

The box-section boom and arm are fabricated from thick, high-tensile steel and feature internal baffle plates for added strength.
The long undercarriage (L) includes reinforced track roller frames, heavy-duty idlers, and sealed and lubricated track chains for extended life in abrasive conditions.
Service points are grouped at ground level, and large side-by-side coolers swing out for easy cleaning. Extended service intervals (engine oil and filter changes up to 500 hours, hydraulic oil up to 4,000 hours) help maximise uptime.
A remote drain for engine oil and hydraulic oil simplifies maintenance. Sight gauges for hydraulic oil, coolant and fuel are easily visible.

Technology and ConnectivityThe 340D2L integrates seamlessly with Cat Connect technologies that boost productivity, improve safety and reduce operating costs.

Product Link™ Elite comes as standard, providing remote monitoring of location, hours, fuel usage, idle time and machine health via the VisionLink® web interface.
Cat Grade Control (2D or 3D) can be factory-integrated. The 2D system provides real-time bucket tip elevation guidance, while 3D uses GNSS and site design plans for precise grading without survey stakes.
Payload Overload Prevention alerts the operator when the bucket or lifting load exceeds safe limits, protecting the machine and increasing site safety.
Cat Detect – Object Detection is optionally available, using cameras and radar to warn of obstacles and personnel around the machine.

SafetySafety is designed into the 340D2L from the ground up:

Anti-skid punch plate on the upper deck and steps.
Strategically placed handrails and guardrails.
Emergency stop switch at ground level and in the cab.
Lockable battery and starter isolation switch.
Optional LED work lights with delayed switch-off for safer egress.
Standard rear-view camera with high-definition display.

Applications and Attachment VersatilityThe Caterpillar 340D2L is compatible with a wide range of Cat buckets and work tools via the Cat Pin Grabber coupler or dedicated pin-on arrangements. Typical bucket capacities range from 1.6 m³ (2.1 yd³) general purpose up to 2.4 m³ (3.1 yd³) in loose materials. Heavy-duty rock buckets, rippers, hammers, grapples and pulverisers can be fitted for demolition, quarry and recycling work. The standard boom and stick options (e.g., 6.0 m boom with 3.0 m stick) provide an optimal balance between reach and digging depth, while longer stick configurations are available for extended trenching applications.

Key Specifications (Typical Configuration)

Specification	Value
Engine Model	Cat C9.3 ACERT
Net Power (ISO 9249)	198 kW (265 hp) @ 1,800 rpm
Operating Weight	38,500 kg (84,900 lb)
Max Digging Depth	7,080 mm (23 ft 3 in)
Max Reach at Ground Level	10,540 mm (34 ft 7 in)
Max Loading Height	6,800 mm (22 ft 4 in)
Bucket Digging Force (ISO)	223 kN (50,100 lbf)
Arm Digging Force (ISO)	178 kN (40,000 lbf)
Swing Speed	9.5 rpm
Max Travel Speed	5.0 km/h (3.1 mph)
Fuel Tank Capacity	580 L (153 gal)
Hydraulic System – Max Flow	2 x 252 L/min (66.6 gpm)
System Pressure – Implement	35,000 kPa (5,076 psi)
Tail Swing Radius	3,510 mm (11 ft 6 in)

In summary, the Caterpillar 340D2L excavator combines robust construction, a fuel-efficient Tier 4 Final engine, advanced hydraulics and smart technology in a machine that delivers low cost per tonne in the toughest working conditions. Its superior operator environment and comprehensive connectivity solutions make it a benchmark in the 40-tonne excavator class.

Non flooded

No accident

Original product

Used Caterpillar 340D2L Excavator

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