Used CAT 349D2 L Excavator for Heavy-Duty Projects

The used CAT 349D2 L excavator is a high-capacity crawler machine for projects that demand strong digging power, stable operation, and reliable daily output.

Its long undercarriage provides a solid working platform, while the Cat C13 ACERT engine supports demanding excavation and loading cycles. Therefore, the machine is well suited to quarry work, mining support, highway construction, large foundations, land development, and bulk earthmoving.

For contractors, fleet owners, and machinery dealers, the CAT 349D2 L also offers a practical way to add a heavy excavator without purchasing a new machine.

CAT 349D2 L Specifications

The following values refer to a representative Caterpillar 349D2 L long-undercarriage configuration. Actual specifications can vary according to boom, stick, bucket, track shoes, production year, and destination market.

Caterpillar also offers different front-linkage combinations. For example, reach-boom configurations can provide deeper digging or a longer working radius.

Long Undercarriage for Heavy Work

The “L” configuration is an important feature of the CAT 349D2 L.

Caterpillar lists 52 track shoes, nine track rollers, and two carrier rollers on each side of the long-undercarriage version. The longer crawler base helps increase machine stability during digging, lifting, and loading.

This is especially useful when the machine works with larger buckets or handles heavy material.

For used-machine buyers, the crawler system should also receive close attention because undercarriage replacement can represent a major part of future ownership cost.

Track chains, rollers, idlers, sprockets, shoes, and track tension should all be checked before purchase.

Cat C13 ACERT Engine for High Workloads

The CAT 349D2 L uses a 12.5-liter Cat C13 ACERT engine.

Caterpillar rates this engine at 301 kW gross power and 289 kW net power. The engine was designed for demanding applications and can work efficiently at elevations up to approximately 2,300 meters in the referenced configuration.

For a used machine, buyers should also review actual engine condition.

Important checks include cold starting, exhaust smoke, oil leakage, abnormal sound, operating temperature, power response, and service condition.

A running video can provide useful information before an overseas buyer arranges a final inspection.

Hydraulic Output for Faster Work Cycles

The hydraulic system delivers up to 734 L/min of total main flow. Maximum equipment and travel pressure reach 35 MPa.

This hydraulic capacity supports strong boom, stick, bucket, swing, and travel response.

Caterpillar also uses hydraulic cross-sensing and boom-and-stick regeneration systems on the 349D2/D2 L. These systems are designed to improve hydraulic efficiency and cycle performance.

For contractors, this matters during repeated truck loading and high-volume excavation where even small differences in cycle time can affect daily production.

Strong Bucket and Stick Forces

Digging force changes with the front attachment.

With the Mass Boom and M3.0 stick, Caterpillar lists up to approximately 295 kN ISO bucket force with a heavy-duty UB-family bucket and about 210 kN ISO stick force.

This makes the excavator suitable for compact soil, dense material, quarry excavation, and other demanding work.

Bucket selection can also be adjusted to the material. A larger bucket may suit loose soil, while a heavy-duty bucket can be more practical for harder ground.

What Matters When Buying a Used 349D2 L

For B2B buyers, machine condition is more important than exterior appearance alone.

Before purchasing a used CAT 349D2 L, it is useful to verify:

• Serial number and production year
• Actual operating hours
• Engine running condition
• Hydraulic pump response
• Cylinder leakage
• Boom and stick condition
• Bucket linkage wear
• Swing bearing condition
• Final drive performance
• Undercarriage wear
• Cab and control functions
• Previous welding or structural repairs

Detailed photos and operation videos can make remote equipment selection more transparent.

Suitable for Large Commercial Applications

The CAT 349D2 L can support many heavy-equipment projects, including quarry excavation, mining support, highway construction, industrial earthworks, large foundations, pipeline construction, dam and drainage projects, land development, and bulk truck loading.

Its combination of working weight, hydraulic output, and long undercarriage makes it particularly suitable for fleets that need continuous heavy-duty production.

Used Equipment Supply from Longmai

Hefei Longmai Construction Machinery Trading Co., Ltd. focuses on the international supply of used excavators, loaders, bulldozers, motor graders, and dump trucks. Its product range covers several tonnage classes for construction, mining, roadwork, and other applications.

The company also provides equipment inspection, customs documentation, international shipping coordination, spare-parts supply, and remote maintenance guidance for overseas buyers.

This allows contractors and machinery dealers to source both individual machines and mixed fleets through one supplier.

Request a Used CAT 349D2 L Quote

Looking for a used CAT 349D2 L excavator for sale?

Send us your destination country, required quantity, preferred year, expected working hours, and machine condition requirements.

We can provide current machine photos, operating videos, configuration details, inspection information, and shipping options.

Contact Longmai to check available CAT 349D2 L excavators for construction, mining, fleet expansion, rental, or resale.