Manual De Maquinaria Pesada

Páginas: 25 (6156 palabras) Publicado: 23 de mayo de 2012
325C L
Hydraulic Excavator


Engine Engine Model Flywheel Power Weights Operating Weight Long Undercarriage

3126B ATAAC HEUI™ Fuel System 140 kW 188 hp 28 600 kg 63,100 lb

• R3.2 m (10'6") stick w/800 mm (32") shoe and 1.2 m3 (1.57 yd3) bucket.

325C L Hydraulic Excavator
The C Series incorporates innovations for improved performance and versatility.

Engine and Hydraulics ✔New to the 325C L, the Cat 3126B engine combines with proven hydraulics to give the 325C L consistently high power and control in the field. pg. 4

Structures Rugged Caterpillar undercarriage design and proven structural manufacturing techniques assure outstanding durability in the toughest applications. pg. 5

Booms and Sticks Built for good performance and long service life, Caterpillarbooms and sticks are large, welded, box-section structures with thick, multi-plate fabrications that resist high stress. Caterpillar offers several front combinations that meet various demands. pg. 6

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 aplan that can cover everything from machine and attachment selection to replacement. pg. 11

Increased work tool options, new powerful engine and easier operation lead to increased productivity and lower operating costs.


Operator Station

Work Tools - Attachments

Serviceability Longer service intervals and easier maintenance results in better machine availability and lower owningand operating costs. pg. 10

✔ The 325C L operator work station is ✔ The 325CL provides greater versatility quiet with ergonomic control placement by offering factory installed auxiliary and convenient adjustments, low lever hydraulics, couplers, and a variety of and pedal effort, ergonomic seat design, bucket types, and sizes. pg. 8 and highly efficient ventilation. pg. 7

✔ New Feature 3 Engine and Hydraulics
Cat 3126B engine and hydraulics give the 325C L exceptional power, efficiency and controllability unmatched in the industry for consistently high performance in all applications.
Electronic Control Module. The Electronic Control Module (ECM) works as the “brain” of the engine’s control system, responding quickly to operating variables to maximize engine efficiency. Fullyintegrated with sensors in the engine’s fuel, air, coolant, and exhaust systems, the ECM stores and relays information on conditions such as rpm, fuel consumption, and diagnostic information. Hydraulic Cross Sensing System. Improves productivity with faster implement speeds and quicker, stronger pivot turns. Fine Swing Control. Fine swing control cushions swing start and stop for better implementcontrol. Hydraulic Cylinder Snubbers. The hydraulic cylinder snubbers at rod-end of boom cylinders and both ends of stick cylinder cushion shocks, reduce sound, and increase cylinder life, keeping the machine working longer. Controllability. The hydraulic system offers precise control to the 325C L, reducing operator fatigue, improving operator effectiveness, and efficiency, which ultimatelytranslates into enhanced performance. Boom and Stick Regeneration Circuit. Boom and stick regeneration circuit increases efficiency and reduces cycle times for higher productivity and lower operating costs.

Engine. Six cylinder turbocharged engine built for power, reliability, economy, and low emissions will keep the machine up and running. The Cat 3126B engine meets Tier II worldwide emissionsrequirements.

Automatic Engine Speed Control. The two-stage, one-touch control maximizes fuel efficiency and reduces sound levels. Low Sound, Low Vibration. The 3126B design improves operator comfort by reducing sound and vibration.


325C L structural components and undercarriage are the backbone of the machine’s durability.

Robotic Welding. Up to 95% of the structural welds...
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