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Product Description
Hawk Excavator Long Reach Arm | Model LRA7078 | Reach 78'9" | 70-75 Ton | For Excavators
DESCRIPTION
The Hawk Excavator LRA7078 Long Reach Arm is a premium excavator long reach attachment engineered to maximize digging depth, working radius, and productivity for demanding excavation, dredging, demolition, and material handling applications. Designed for 70-75 ton excavators, this 78'9" long reach boom and arm delivers exceptional reach while maintaining superior stability and precision. Featuring a 45' boom, 33'9" stick, and a 1.7 yd³ bucket capacity, it enables operators to efficiently access hard-to-reach areas with fewer machine repositionings, reducing project time and operating costs. Manufactured using high-strength steel, advanced CAD engineering, stress simulation analysis, and rigorous NDT-tested welds, the LRA7078 provides outstanding durability for continuous heavy-duty performance. Optional pre-plumbed hydraulic lines, hose brackets, and slurry discharge hose supports simplify installation and enhance compatibility with dredging pumps and various excavator attachments, making this long reach arm an ideal solution for contractors seeking reliability, precision, and maximum jobsite efficiency.
Key Features
Extended 78'9" Reach Performance allows operators to excavate farther while reducing machine repositioning, increasing efficiency for deep excavation, river dredging, slope finishing, and foundation projects.
Designed for 70-75 Ton Excavators ensuring excellent compatibility with large crawler excavators while delivering stable performance across demanding construction and earthmoving applications.
Heavy-Duty Reinforced Construction utilizes premium high-strength steel and reinforced structural components engineered to withstand continuous heavy-duty excavation and harsh working environments.
45' Boom with 33'9" Stick provides exceptional working geometry, greater digging precision, and improved control when reaching difficult excavation zones.
79'5" Maximum Working Reach enables operators to safely access distant excavation areas, waterways, ponds, canals, and demolition sites without relocating the excavator.
58'9" Maximum Digging Depth increases productivity during trenching, dredging, utility installation, deep foundation excavation, and other below-grade construction tasks.
Large 1.7 yd³ Bucket Capacity moves greater material volume per cycle, improving loading efficiency while reducing overall project completion time.
Advanced Hydraulic Compatibility supports smooth hydraulic operation and is available with optional pre-installed hydraulic plumbing for faster equipment setup.
Precision Excavation Control offers accurate grading, trenching, material placement, and dredging performance through optimized boom and stick geometry.
Simulation Tested Engineering undergoes comprehensive stress analysis and CAD validation to maximize structural integrity, operational safety, and long-term reliability.
NDT Quality Verified Welds ensure superior weld strength through non-destructive testing, delivering dependable performance in demanding applications.
Optional Slurry Hose Brackets accommodate hydraulic dredge pump installations while maintaining organized hose routing and improving operational efficiency.
Reduced Machine Repositioning increases productivity by allowing operators to complete larger work areas from a single machine location.
Versatile Excavator Attachment is ideal for dredging, river maintenance, canal cleaning, mining, demolition, deep excavation, and large-scale civil construction projects.
Detailed Specifications
Specification
Details
Brand
Hawk Excavator
Product Name
Long Reach Arm
Model
LRA7078
Machine Compatibility
Excavators
Recommended Excavator Size
70-75 Tons
Overall Reach Length
78'9" (24 m)
Boom Length
45' (13.7 m)
Stick Length
33'9" (10.2 m)
Maximum Reach
79'5" (24.2 m)
Maximum Digging Depth
58'9" (17.9 m)
Maximum Working Height
74'1" (22.5 m)
Boom Height
13'1" (3.9 m)
Bucket Capacity
1.7 yd³ (1.3 m³)
Construction Material
Heavy-Duty Reinforced High-Strength Steel
Hydraulic Lines
Optional Pre-Plumbed Hydraulic System
Slurry Hose Brackets
Optional
Hydraulic Dredge Pump Compatible
Yes
Mechanical Dredging Compatible
Yes
Engineering Process
CAD Design & Stress Simulation Analysis
Weld Inspection
Non-Destructive Testing (NDT)
Manufacturing Certification
CE Certified Manufacturing
Primary Applications
Dredging, Deep Excavation, River Maintenance, Demolition, Canal Cleaning, Foundation Excavation, Material Handling, Civil Construction
Installation
Ready for Optional Plug-and-Play Hydraulic Configuration
Ripping It Outdoors works closely with our manufacturers to supply and support your products warranty needs as best as possible!
The majority of products come with a manufacturer represented warranty against manufacturing defects for at least a 12 month period after the date of sale.
Expendable components and "wear parts" including but not limited to blades, knives, teeth, oil, chain sprockets, skid shoes, knife mounting discs, and similar components are usually excluded from manufacturer warranties.
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Customer Reviews
Overall rating: 4.7 / 5 from 84 reviews.
I've started using the mulcher I on several parcels of land 10 acres . I have grind down a couple of 14 inch stumps. Caution the mount bracket behind the mulcher motor exhaust gets extremely hot even with gloves on . But the unit so far seems to works very good it's well put together.
The Firminator G3 is s heavy duty quality machine. The discs worked extremely well and planting and culti-packing is very smooth and easy. Working with Dillon at Ripping It Outdoors was a very good experience and seamless transaction.
After spending way to much money for forest mulching services I discovered this wonderful machine. It's not a giant powerhouse forest mulcher, but it does everything a property owner needs to maintain a forested property. I wish I would have found it sooner.
The Firminator is well built and functions well. I am having some trouble while planting mixed size seeds. Next time out I’ll try setting it so only the smaller seeds drop out the open it up for the larger seeds.
easy buying process and great communication. Mulcher works great, easily clears overgrown brush and even mulched a 5" thick mulberry tree fairly easily. running it off of my old 331 bobcat with no problem powering the drum at all. Only small issue which isn't a big deal is that the supplied hoses are about 16" too short to operate a full range of motion.
Over all built well. I like it is all cast iron and metal and not plastic. Had to modify fertilizer disc mount to fit correctly, nothing major, a little grinding. I modified the center link hitch point to accommodate my John Deere quick hitch. Have yet to plant with it but I’m sure it will work perfect. Love the grease fittings everywhere. Reminds me of the old farm equipment I grew up on, and still use periodically.
My firminator RT was delivered in good condition in ND. I will be using it next week. I have a 45 HP John Deere tractor that is supposed to lift 2000 lb but really struggles to lift this 6 foot firminator RT. I will just have to use in as a two pass operation for now.
I do wish there was a better operating manual for this unit. Maybe that is something you can work on.
I will give you an update once I start using it in a few days.
Great piece of equipment. Performs far better than I expected. One piece of advice - if property is significantly overgrown, consider the tractor attachment first to bring down the over growth and then switch to the UTV attachment to maintain property. No complaints worked perfectly.
This is my first experience with Ripping It Outdoors. Fortunately I got Dillion as a representative and everything from sales to shipping was spot on..
Thanks Dillion for your help!!
The only thing is when hooking up the actuator on my ATV. The wire is long going to the plug in. What has happened in the past about this. Is their video showing the usage of the control?
I had a guy from a shop come cut the shafts and hook me up. It went well. I've been using the mulcher and the tractor saw on my two tractors and having fun.
i love it, i'm a little inexperianced with it but i'll learn, i've never messed with chemicals much.
instead of putting it on an atv, i put it on a skid steer
We bought a 6' G3 last year and it worked well. We were missing the handle for seed adjuster on 1st one and they next day aired it. Just ordered an 8 ' model to go with it. Dillon is great to work with. Hope this one works out as well.