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: Usually a diesel-powered unit that supports hydraulic and mechanical systems.
Hydraulic System: Requires regular maintenance to prevent leaks and breakdowns.
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.
Benefits of Purchasing Excavators for Parts
Buying a damaged or used excavator for parts is a cost-effective strategy.
Benefits of using excavators for parts:
Cost-effective solution vs. buying new parts.
Promotes sustainability in the construction industry.
Ideal for discontinued or rare models.
Useful when operating multiple machines of the same brand.
Many construction companies buy excavators for parts to maintain their fleet without overspending.
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 parts excavator 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
You can often find refurbished Takeuchi parts at a lower cost than OEM.
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 machines often run for decades with proper parts and service.
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
CAT excavators are often the backbone of construction fleets.
Where to Buy Excavator Parts Safely
Whether you’re buying online or locally, follow these tips to get reliable excavator parts.
Tips for buying parts excavator owners need:
Always verify the model and serial number before buying.
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
Preventative Maintenance for Excavator Parts
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.
Change filters and fluids according to schedule.
Store equipment properly when not in use.
Train operators to use machines efficiently.
Conclusion
No matter the brand—Hitachi, Takeuchi, Volvo, or Caterpillar—keeping parts in top shape is key.
From swing motors to tracks and buckets, every part counts when maximizing uptime and productivity.
Find the right parts excavator owners trust—and keep digging strong.