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Product Description
Hawk Excavator Long Reach Arm | Model KOMPC490-LRA4672 | Reach 72'2" | 46-50 Ton | For Komatsu Excavator
DESCRIPTION
Upgrade your excavation capabilities with the Hawk Excavator KOMPC490-LRA4672 Long Reach Arm, engineered specifically for Komatsu PC490 excavators (46-50 ton class). Designed for demanding deep digging, dredging, foundation excavation, and high-reach demolition applications, this 72'2" long reach boom system delivers exceptional working range, precision, and productivity on challenging job sites. Featuring a 40'4" boom length, 30'5" stick length, and 72'3" maximum reach, this excavator attachment allows operators to access hard-to-reach areas while reducing machine repositioning. The robust construction, reinforced components, and advanced hydraulic design provide reliable performance for heavy-duty operations. With a 1.18 yd³ bucket capacity, this Komatsu PC490 long reach arm supports efficient material handling and improved job-site productivity. Pre-installed hydraulic hose connections and optional discharge hose brackets enhance versatility for dredging and specialized excavation projects. Built by Hawk Excavator, this long reach boom system combines durability, accuracy, and performance for professional contractors seeking extended excavator capability.
Key Features
Extended 72'2" Reach Capability Provides exceptional excavation distance for deep trenches, dredging operations, river maintenance, and high-elevation demolition projects.
Komatsu PC490 Compatibility Designed specifically for 46-50 ton excavators, ensuring proper fit, performance balance, and reliable operation with Komatsu PC490 machines.
Heavy-Duty Reinforced Construction Manufactured with durable materials and precision welding techniques to withstand demanding excavation environments and continuous workloads.
Deep Digging Performance Delivers increased digging depth for foundations, underground utilities, canals, and challenging excavation applications with fewer machine movements.
Precision Excavation Control Advanced hydraulic compatibility helps operators maintain accurate bucket positioning for grading, digging, and material handling tasks.
40'4" Extended Boom Design Long boom configuration improves working range and allows operators to reach difficult excavation zones efficiently.
30'5" Long Stick Assembly Provides additional flexibility and control for deep excavation, loading, and specialized construction applications.
High Productivity Excavator Attachment Reduces repositioning requirements while increasing operational efficiency on large-scale construction and excavation projects.
1.18 yd³ Bucket Capacity Support Enables effective material handling and helps maximize productivity during digging and loading operations.
Dredging Application Ready Suitable for hydraulic dredging pumps and mechanical dredging applications with optional hydraulic accessories.
Pre-Plumbed Hydraulic Connections Optional integrated hose systems simplify attachment setup and improve hydraulic flow reliability.
Slurry Discharge Hose Brackets Optional brackets support dredging operations by providing secure routing for discharge hoses.
Stress Tested Manufacturing Process Each assembly undergoes engineering analysis and quality inspections for strength and durability.
Versatile Excavator Upgrade Solution Converts standard excavators into extended-reach machines for specialized construction applications.
Detailed Specifications
Specification
Details
Brand
Hawk Excavator
Product Type
Long Reach Arm / Long Reach Boom Attachment
Model
KOMPC490-LRA4672
Compatible Machine
Komatsu PC490 Excavator
Excavator Weight Class
46-50 Tons
Overall Length
72'2"
Boom Length
40'4"
Stick Length
30'5"
Maximum Reach
72'3"
Maximum Digging Depth
52'9"
Maximum Working Height
66'10"
Boom Height
11'8"
Bucket Capacity
1.18 yd³ (0.9 m³)
Application
Deep Excavation, Dredging, Foundation Work, Demolition
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: 4.6 / 5 from 88 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.
Hi, my name is Ken. I’ve had a great experience with Ripping It Outdoors. I purchased a Forax Hp40 Mulcher for my mini excavator. Kayla Patterson is who I dealt with from the beginning until I received it at my house. She has been wonderful to work with and looking forward to working with her with any other orders I purchase. Kayla answered any questions I had and kept me updated throughout the whole process, can’t say it enough just a wonderful person to work with!!
These are great feeders if you don’t have any feral hogs but if the hogs tear off the wiring harness from the timer to the feeder motor, you’re disabled. Then, if you ask for help from Outback, they refer you to the dealer but really you’re on your own for parts and repairs.
I have three Outback feeders that work as designed. They’re 13 years old and have always served well but this feeder misses the mark by a very high margin. I’d NEVER buy this product again.
Feeders need to be dependable and this unit is not.
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