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Hitachi EX120 Long Reach Arm – 36’0″ | HITEX120-LRA836

Hitachi EX120 Long Reach Arm – 36’0″ | HITEX120-LRA836

The Hitachi EX120 Long Reach Arm, model number HITEX120-LRA836, is a remarkable piece of heavy machinery well-suited for various excavation tasks. Measuring an impressive 36 feet in length, this long reach arm provides operators with an extensive reach, allowing them to efficiently access and work in challenging areas on the construction site. The boom on the Hitachi EX120 Long Reach Arm HITEX120-LRA836 extends to a length of 21 feet 4 inches. In comparison, the stick measures 14 feet 4 inches, offering operators exceptional flexibility and precision when performing tasks such as trenching, excavating foundations, and loading materials.

One of the standout features of the Hitachi EX120 Long Reach Arm HITEX120-LRA836 is its impressive bucket capacity of 0.65 cubic yards (0.5 cubic meters). This substantial capacity ensures operators can easily handle and move materials, enhancing job site productivity. Additionally, the excavator’s robust build and dependable performance make it an excellent choice for contractors and construction professionals looking to tackle projects of various sizes and complexities.

Beyond its exceptional specifications, the Hitachi EX120 Long Reach Arm HITEX120-LRA836 boasts advanced technology and safety features, providing operators with a comfortable and efficient work environment. With its powerful combination of reach, bucket capacity, and reliability, this excavator model is pivotal in optimizing efficiency and accuracy on construction and excavation projects.

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Hitachi EX120 Long Reach Arm

HAWK Long Reach Specs

Our production facility is ISO 9001, certified in 2011. HAWK can guarantee consistent quality manufacturing and timely delivery of our long-reach systems, and other excavator products. Along with our ISO 9001 certification, HAWK is also CE certified; each HAWK Long Reach System bears the CE logo. Each and every HAWK Long Reach System is manufactured to comply with our quality system to ensure that our customers always receive the high-quality product that they require.
Excavator Weight (ton)
36″ (11 m)
Boom Length
21’4″ (6.49 m)
Arm Length
14’4″ (4.37 m)
Max Reach (A)
36’12” (11.27 m)
Max Depth (B)
25’9″ (7.84 m)
Max Height (C)
35’1″ (10.70 m)
Boom Height (D)
7’3″ (2.21 m)
Bucket Capacity
0.65 yd³ (0.5 m³)


HAWK LRA Dimensions

Features of Hitachi EX120 Long Reach Arm

Extended Boom and Arm

The extended boom and arm length allows operators to access distant areas and excavate deep trenches or foundations without the need for frequent repositioning.

Robust Construction

HAWK Excavator Hitachi EX120 Long Reach Arm HITEX120-LRA836 feature sturdy, reinforced components and high-quality materials to withstand heavy-duty excavation tasks ensuring robust operations.

Precise Control

They typically come with advanced hydraulic systems and proportional joysticks, allowing operators to hold better controls while digging, grading, and material handling.

Analysis and Simulation

Quality and durability is always our top priority. Every assembly of our excavator long reach arms undergoes rigorous Simulation Stress and Strength Analysis tests to ensure best quality and extreme durability. All these tests are conducted under the strict vigilance of trained engineers and latest applications & CAD software.

NDT Test

HAWK Excavator Hitachi EX120 Long Reach Arm HITEX120-LRA836 are built to deliver power-packed performance. Thanks to our superior quality welding techniques that offer super strength and extreme durability to our long reach arms for excavators. Thorough NDT Tests are conducted on each welded assembly to ensure our excavator arms meet or exceed the quality standards.

Optional Accessories:

Pre-Plumbed Hydraulic Lines and Hose Brackets

  • Pre-plumbed plug-n-play hydraulic and discharge hose lines saves time and gets the project started sooner. Attach tool and get to work.
  • 3 person/8hr day doing setup equals 24 hours of labor time that can be avoided by using HAWK Excavator Hitachi EX120 Long Reach Arm HITEX120-LRA836 kits that are ready on arrival. (Hydraulics & Hose Brackets Pre-Installed)
  • Supports both hydraulic dredge pump attachments and standard mechanical dredging. *Pump not included.


Hydraulic Hose Connections

Every long reach assembly comes with pre-installed hose connections that are highly flexible offering the hoses durability and super strength. Our superior quality hoses account for better flow of hydraulic fluids and a conduit to keep the entire assembly moving seamlessly.

Slurry Discharge Hose Brackets

The long reach arm assembly also has strong-built optional slurry discharge hose brackets designed to maximize the overall flow and throughput. Their design and build makes them highly resistant to any abrasive materials and extend their lifetime with great uptime.

Benefits of Hitachi EX120 Long Reach Arm

Extended Reach

HAWK Excavator Hitachi EX120 Long Reach Arm HITEX120-LRA836 convert any normal excavator into a superior machine by extending their overall reach. With these arms, excavators can reach areas that are difficult to reach. This comes beneficial while dredging across rivers or canals, deep digging, and high elevation demolition.

Deep Digging

These long reach arms provide increased digging depth, allowing for efficient excavation of deep foundations, trenches, or underground utilities. They eliminate the need for frequent repositioning of the excavator, saving time and increasing productivity on the job site.


HAWK Excavator Hitachi EX120 Long Reach Arm HITEX120-LRA836 are compatible with a range of attachments. This makes these arms versatile for a wide range of applications. Also, operators can switch between these attachments to execute a number of operations without any additional equipment.

Extreme Precision

The long reach arms allow operators to carry out operations with high accuracy. This feature makes any normal excavator an extremely precise machine while excavating or dredging across areas that are almost hidden or hard to access.

Environment Friendly

Unlike other excavator attachments, HAWK Excavator Hitachi EX120 Long Reach Arm HITEX120-LRA836 don’t create much disturbances while in action. Employing any excavator with these long reach arms ensures lesser impact on the ecosystem and wildlife habitats.

All HAWK Excavator Hitachi EX120 Long Reach Arm HITEX120-LRA836 are easy to install with your excavator to assist with a wide range of excavation, construction, and marine dredging projects.

Other HAWK Products

Explore our fleet of heavy-duty excavator accessories for a range of construction, excavation, and dredging projects.


HAWK Vision

Attach the RTK GPS Positioning system to your excavator’s bucket or other attachment to always know where the bucket is under the waterline. Prevent over and under dredging.


Amphibious Undercarriage

Complete amphibious undercarriage allowing you to convert your existing excavator into a swamp dredger capable of even more production in harsh areas.

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Sectional Barges

Fully modular barges ready for quick assembly at the job site. Can hold an excavator and long stick for the extended reach your excavation needs.