From digging trenches to lifting heavy loads, excavators perform a wide range of tasks. But like any heavy-duty equipment, these machines need regular maintenance and replacement parts to function properly.
In this guide, we’ll explore the key components that make up an excavator, highlight popular brands like Hitachi, Takeuchi, Volvo, and Caterpillar (Cat), and explain how to find the best excavator for parts.
Excavator Parts Breakdown
Excavators have multiple systems that work together for performance and efficiency. Here are the main parts of an excavator:
Boom: It’s the part that gives the excavator its extended reach.
Stick (or Dipper Arm): Offers flexibility and precision in digging.
Bucket: One of the most replaced parts excavator owners need.
Cab: Modern cabs offer comfort and protection.
Undercarriage: Provides mobility on rugged terrain.
Engine: Powers the entire machine.
Hydraulic System: Drives the boom, stick, bucket, and other attachments.
Swing Drive: Important for maneuvering on tight sites.
Counterweight: Ensures safety and stability when lifting heavy loads.
Each of these components can wear out or become damaged with time, requiring replacement. That’s when contractors look for excavator for parts options to keep their machines running.
Why Buy an Excavator for Parts?
When a machine is beyond repair or retired from active use, it can still be valuable as a source of parts.
Benefits of using excavators for parts:
Save money by using salvaged components.
Environmentally friendly by recycling old machinery.
Ideal for discontinued or rare models.
Useful when operating multiple machines of the same brand.
Rather than buying new, sourcing used parts from similar machines can extend equipment life.
Top Excavator Brands and Replacement Parts
Hitachi Excavator Parts
Hitachi is known for durable and reliable excavators.
Common Hitachi excavator parts include:
Hydraulic pumps and valves
Track chains and rollers
Final drives
Swing motors
Boom and stick cylinders
Plenty of salvage yards and resellers offer used Hitachi excavators for parts.
Takeuchi Excavator Parts
Takeuchi specializes in compact excavators and mini diggers.
Popular Takeuchi excavator parts:
Rubber tracks
Drive sprockets
Air filters
Control valves
Swing bearings
Known for innovation, Takeuchi replacement parts support longer operating life.
Volvo Excavator Parts
Volvo excavators are renowned for comfort, fuel efficiency, and durability.
Typical Volvo excavator parts:
Engine components
Fuel systems
Cab interiors and operator controls
Hydraulic oil filters
Attachments and buckets
Volvo’s reputation means parts can sometimes be more expensive, but many quality aftermarket suppliers are available.
CAT Excavator Parts / Caterpillar Excavator Parts
Caterpillar, or CAT, is a leader in heavy machinery worldwide.
High-demand Cat excavator parts include:
Undercarriage assemblies
Swing gearboxes
Turbochargers
Pins and bushings
Electrical components
If you’re using Caterpillar machines, ensure you stick with trusted vendors to avoid excavator for parts copyright parts.
Finding the Right Parts Excavator Dealers and Sellers
Whether you’re buying online or locally, follow these tips to get reliable excavator parts.
Tips for buying parts excavator owners need:
Ensure parts are compatible with your exact excavator model.
Ask for warranties or return policies on used parts.
Request photos or inspection reports.
OEM (original equipment manufacturer) parts guarantee fit, while aftermarket may be cheaper.
Long-term suppliers often offer better prices and priority access.
Common platforms to find excavator for parts:
Online marketplaces (eBay, MachineryTrader)
Construction equipment auctions
Heavy machinery salvage yards
Manufacturer-certified dealers
Local and international part resellers
Maintenance Tips to Extend Excavator Part Life
Proper maintenance can delay or reduce the need for replacement parts.
Best practices:
Perform daily inspections for leaks or wear.
Lubricate all moving joints regularly.
Hydraulic oil, engine oil, and air filters are essential.
Avoid exposure to extreme weather conditions.
Rough usage often leads to early part failure.
Wrap-Up: Excavator Parts and Maintenance
Whether you're buying a full excavator for parts or just replacing a bucket or valve, sourcing the right component matters.
Use this guide to understand the parts of excavator systems, explore trusted brands, and learn how to find reliable suppliers.
Choose wisely and keep your construction projects moving without delays.