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Medium Excavators(Non Current)

Caterpillar serves all regions of the world so we build many different configurations of hydraulic excavators. Your Cat® dealer has exact machine specifications available in your area to help you choose what will best meet your needs.

329D L/LN Hydraulic Excavators

Excellent controllability and reliability, impressive lift capacity, better fuel efficiency, simplified service and a more comfortable operator station to increase your productivity and lower your operating costs.

Product Details


Engine Model C7 ACERT
Net Flywheel Power 140.0 kW
Bore 110.0 mm
Stroke 127.0 mm
Displacement 7.2 L


Operating Weight 30100.0 kg
Operating Weight - Minimum 28000.0 kg
Operating Weight - Maximum 30100.0 kg


Maximum Travel Speed 5.3 km/h

Service Refill Capacities

Fuel Tank Capacity 520.0 L
Cooling System 30.0 L
Engine Oil 30.0 L
Swing Drive 10.0 L
Final Drive (each) 6.0 L
Hydraulic System (including tank) 310.0 L
Hydraulic Tank 257.0 L

Operating Specifications

Maximum vertical wall digging depth 7110.0 mm


The Cat® C7 engine with ACERT™ Technology offers better fuel efficiency and reduced wear. It works at the point of combustion to optimize engine performance and provide low exhaust emissions. By combining ACERT Technology with the new Economy Mode and Power Management, customers can balance the demands of performance and fuel economy to suit their requirements and application.

Environmentally Responsible Design

Quieter operation, lower engine emissions, less fluid disposal and cleaner service can help you meet or exceed worldwide regulations and protect the environment.


The hydraulic system has been designed to provide reliability and outstanding controllability with increased digging forces, lifting capacity and drawbar pull. The Cat Tool Control System provides enhanced flexibility. The Heavy Lift Mode maximizes lifting performance and maintains excellent stability.


More productive. Faster cycle times for truck loading and rock scraping. Maintains optimum hammering frequency for effective, steady productivity.

Operator Station

Provides maximum space, wider visibility and easy access to switches. The monitor is a full-color graphical display that allows the operator to understand the machine information easily. Overall, the new cab provides a comfortable environment for the operator.

Electronic Control System

The compact, full-color, graphical display monitor displays machine, maintenance, diagnostic and prognostic information in twenty different languages, as well as the rear view camera image. The Economy Mode and Power Management is selected from the monitor. To minimize sun glare, the monitor angle is adjustable.


Caterpillar design and manufacturing techniques assure outstanding durability and service life from these important components. The 329D comes standard with grease lubricated tracks. Cat designed excavator undercarriage is stable, durable and low maintenance for good machine stability and transportability.

Booms, Sticks and Linkage

Caterpillar excavator booms and sticks are built for performance and long service life. Two types of booms and three sticks are available, offering a range of configurations suitable for a wide variety of applications. The bucket linkage pins have been enlarged to improve reliability and durability. All booms and sticks are stress relieved.

Work Tools and GET

A variety of work tools, including buckets, couplers, hammers, crushers, pulverizers, multiprocessors, shears and grapples are available.

Service and Maintenance

Fast, easy service has been designed in with extended service intervals, advanced filtration, convenient filter access and user-friendly electronic diagnostics for increased productivity and reduced maintenance costs.

Complete Customer Support

Your Cat dealer offers a wide range of services that can be set up under a customer support agreement when you purchase your equipment. The dealer will help you choose a plan that can cover everything from machine and attachment selection to replacement.
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