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The Hawk Excavator LRA3872 Long Reach Arm is a heavy-duty excavator attachment engineered for deep excavation, dredging, trenching, foundation digging, and high-reach construction applications. Designed for 38-45 ton excavators, this 72'2" long reach boom arm expands machine capability by allowing operators to access difficult areas while improving productivity and precision.
Featuring a 40'9" boom length and 30'5" stick length, the LRA3872 provides an impressive maximum reach of 72'7" and maximum digging depth of 51'1", making it ideal for deep waterways, canals, slopes, and underground utility projects. The 1.1 yd³ bucket capacity supports efficient material handling for demanding job sites.
Built with reinforced steel construction, advanced hydraulic compatibility, precision control, and NDT-tested welded assemblies, this excavator long reach arm delivers exceptional durability and dependable performance. Optional pre-installed hydraulic lines and hose brackets simplify attachment setup and support dredging and specialized excavation operations. The Hawk Excavator LRA3872 is a reliable solution for contractors seeking extended reach, improved efficiency, and superior excavation versatility.
| Specification | Details |
|---|---|
| Brand | Hawk Excavator |
| Product Type | Long Reach Excavator Arm Attachment |
| Model | LRA3872 |
| Compatible Excavator Weight | 38-45 Tons |
| Overall Length | 72'2" |
| Maximum Reach | 72'7" |
| Boom Length | 40'9" |
| Stick Length | 30'5" |
| Maximum Digging Depth | 51'1" |
| Maximum Working Height | 66'9" |
| Boom Height | 11'8" |
| Bucket Capacity | 1.1 yd³ |
| Bucket Capacity (Metric) | 0.8 m³ |
| Application | Excavation, Dredging, Trenching, Foundation Work, Demolition |
| Construction Material | Reinforced Heavy-Duty Steel |
| Hydraulic Features | Optional Pre-Plumbed Hydraulic Lines & Hose Brackets |
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.
Forax Gas Powered Mulcher | Model GP40 | 40" Cutting Width | 14HP Kohler | For Tractors
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.
Product was fairly priced and they delivered it quickly.
Pulls 100% better no sway and puts tongue weight over the axle
BP Conversions Bumper Puller Ball Hitch to Gooseneck Conversion System
Great machine. Working with Dillon was awesome. Even made me a custom mount for my Polaris.
Great device. Makes my property look good.
The unit arrived within the timeframe that was given. It’s an amazing implement. Would definitely recommend
Forax Gas Powered Mulcher | Model GP40 | 40" Cutting Width | 14HP Kohler | For Tractors
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.
Forax Gas Powered Mulcher | Model GP40 | 40" Cutting Width | 14HP Kohler | For Tractor
I wasn't sure what to expect, but it has proven to be a strong, durable, and terribly useful tool for clearing what I needed to clear. Thank you!
Works great and its easy to use.
Forax Gas Powered Mulcher | Model GP40 | 40" Cutting Width | 14HP Kohler | For Tractors
Love it . Now I am going to have to get a new tractor and a Lane Shark.
Baumalight MP330 Brush Mulcher | Cutting Path 30" | 15-40 HP | For PTO On Tractors
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.
The Firmanator works great very well built .I am very happy I made this purchase.
This trap seems to be kinda hard to set off.
Works excellent and is very well made.
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.
Ordered a 36” clean out bucket for my mini excavator. Love it, welds are great. Works as it should.
Showed up on time and I will be using it to put in 15 acres of food plots in this weekend!
Great experience. Easy transaction and fast shipping. The blade is built well and heavy duty.
Great product. Works very well in our arena and round pen.
Heavy duty , solid construction, exactly what I wanted and expected. Thank you
Hoelscher Inc. 4', 5', 6' & 8' Land Smooth Roller Pull Type | 25-50 HP | For Tractor
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!!
Industrias America Header Trailer | Model 440 | Length 40' | Pull Type
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?
Works great glad I bought it
It works great, but way too heavy for my Bobcat E26 excavator. Which is what I ordered it for. Almost useless at its weight on my machine.
Machine is fine
Every aspect was spot on!
Industrias America Header Trailer | Model 440 | Length 40' | Pull Type
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.
Baumalight MP560 Brush Mulcher | Cutting Width 60" | Up to 75 HP | For PTO On Tractors
1st day with it,getting use to it.
Our order came in quicker than expected. The unit is easy to attach and operate. Works Great!
Buffalo Turbine Hydraulic Debris Blower | Model BT‑HYSS4 | 12,000 CFM | 16–40 GPM | For Skid Steers
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
New so far so good have only used it once. Will need some rain to truly judge it. It’s built like a tank easy to use and showed up as expected.
Great product
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.
Well built attachment, and Dillon got it shipped out in a timely manner. A great experience so far.
AgNation Wrap Square Bale Handler | 4.5' to 8.5' | For Skid Steers & Tractors
Delivery went great
Service was excellent, product was too :) thank you!
