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Product Description
Develon | Crawler Excavator | Model DX350LCR-7 | Dig Depth 22' 10" | 266.9 hp | 40 Tons | For Heavy Construction, Demolition, & Infrastructure
DESCRIPTION
Unleash the power, precision, and productivity of the DEVELON DX350LCR-7 Crawler Excavator a robust, reduced tail swing machine engineered for heavy-duty excavation in tight and demanding job sites. Combining a powerful 266.9 horsepower engine with an advanced hydraulic system and enhanced swing torque, this excavator delivers exceptional performance in digging, lifting, and site maneuvering.
With a maximum digging depth of 22' 10", a tighter front minimum swing radius, and a compact footprint, the DX350LCR-7 is purpose-built for urban construction, road work, and confined excavation projects where space is limited but performance cannot be compromised.
Packed with intelligent systems like Smart Power Control (SPC) and Electronic Power Optimizing System (EPOS), the DX350LCR-7 ensures optimal fuel efficiency while maximizing operational output. A redesigned cab offers greater space, reduced noise, and panoramic visibility with optional 360-degree monitoring, making long hours on the job more comfortable and productive.
From ground-level serviceability to rugged undercarriage durability and attachment versatility, the DX350LCR-7 is a reliable partner for professionals who demand strength, efficiency, and versatility on every job.
Key Features
Powerful Performance 266.9 hp @ 1800 rpm DEVELON DL08 engine delivers class-leading torque and digging power.
Four selectable power modes with one-touch power boost optimize performance in varying site conditions.
Advanced Hydraulic System Dual main pumps delivering 76.1 gpm each for smooth, efficient operation.
Power Boost raises hydraulic pressure for extra breakout force when needed.
Compact, Reduced Tail Swing Design Ideal for work in tight spaces without sacrificing digging depth or lifting capability.
Tighter front swing radius enhances maneuverability around obstacles.
Comfort & Control Spacious, quiet cab with automatic climate control, optional heated and cooled air-suspension seat.
Standard rearview camera and optional 360° All-Around View Monitoring (AVM).
Smart Technologies Smart Power Control (SPC) and EPOS systems enhance fuel efficiency and performance.
Auto idle and auto shutdown reduce unnecessary fuel use and wear.Standard MY DEVELON™ fleet management system.
Serviceability & Durability Ground-level access to all maintenance points.
Reinforced X-Chassis undercarriage with high-strength steel for long-term durability.
Wear-resistant plates on arm ends for added reliability.
Hydraulic quick coupler supports rapid attachment changes from inside the cab.
Detailed Specifications
Category
Specification
Engine
Make / Model
DEVELON / DL08-LEE04
Rated Power (Net)
266.9 hp @ 1800 rpm
Rated Power (Gross)
270.7 hp @ 1800 rpm
Max Torque (Gross)
940.3 ft·lb @ 1300 rpm
Displacement
7.6 L (463.8 in³)
Cylinders
6
Performance
Operating Weight
79,701 lb (39.9 tons)
Max Digging Depth
22' 10"
Bucket Digging Force
47,398.9 lbf (Power Boost)
Swing Torque
90,347.5 lbf·ft
Traction Force
83,333.9 lbf
Travel Speed
2.0 – 3.2 mph
Gradeability
70% (35°)
Hydraulic System
Main Pump Flow
2 x 76.1 gpm
Pilot Pump Flow
7.1 gpm
Hydraulic Pressure
4980 psi (Normal) / 5260 psi (Boost)
Hydraulic System Capacity
74 gal
Hydraulic Tank Capacity
46.2 gal
Swing System
Swing Speed
0 – 9.8 rpm
Swing Torque
90,347.5 lbf·ft
Undercarriage
Upper / Lower Rollers
2 / 9
Track Shoes per Side
48
Refill Capacities
Fuel Tank
129.4 gal
DEF Tank
16.4 gal
Cooling System
12.5 gal
Engine Oil
11.1 gal
Final Drive (Each)
1.8 gal
Swing Drive
1.8 gal
Cab & Sound Levels
Exterior Sound Level
103 dB(A)
Interior Cabin Level
69 dB(A)
Hydraulic Cylinders
Boom (Mono)
5.5" x 3.9" x 60.2"
Arm
6.3" x 4.3" x 65.4"
Bucket
5.5" x 3.5" x 45.3"
Attachments
Heavy-Duty Bucket, Ditch Cleaning Bucket, Thumb Attachment (Optional)
Technology
Smart Power Control (SPC), EPOS, MY DEVELON Fleet Management, 360° AVM (Optional)
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.
Please reach out to us for any specific warranty information neededabout products and parts you can’t find!
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Customer Reviews
Overall rating: 4.6 / 5 from 102 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.
Just got my Buffalo Turbine! Love it. Took a little bit to get used to getting the right angle for the nozzle, but not a problem. Side note, works much better if the frame is level as much as possible.
Love it!
Gary Haddock
Seems to be in order delivery wasn't able to use lift gate but tractor was able to take pallet off the truck bed. No damage to machine after visual check. won't know how it runs until rain stops.
Staff at RippingitOutdoors was very quick to call and double check the type of backet needed for the unit to ensure the online order matched( to fit my skid steer quick attachment on my l2501 Kubota). Explained the teeth & belt could be ordered through them directly over the phone when/if needed as well as selling other types of custom made brackets for Utv's ect. All around Great customer service and would purchase from again.
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.
When I think of ripping it outdoors something else comes to mind, but I digress. This spreader is awesome. Works like a champ. The hopper is big enough to do my 1 acre lot for my applications. Just load once and go. I would highly recommend this spreader. It saves a ton of time and is a quality product.
Put this on Kubota 900 with winch hookup. This thing is a beast (within reason). I named it ‘Homie”, cause Homie don’t play. It will take care of stuff up to about 2” in diameter. You still have to remember that this is NOT like the ones on a bobcat or larger machinery. It does have its limits. But all in all I am very satisfied with it. Now on to the good part! The staff at Ripping It are outstanding! Especially Kayla in the office. She has gone above and beyond on making sure everything went right, from ordering to questions about installation. This young lady would be of great value at ANY company ! Her knowledge and personality are like over the top. This is my first experience with Ripping It Outdoors and I can only say positive things about them. With all that being said, I do fill out reviews on things I buy, AND I give a honest review. If it’s bad then you will know it. But if it’s good, well I tell the truth ! Again Kayla, from the bottom of my heart, a great big THANK YOU for all your help and just talking to you. I feel like we’ve know each other for years!
TENT is easy to put up , material is tuff as told....only complaint is that i wish the bottom had about 3 to 4 inches overlap towards the inside so i could install a 2 x4 or something to help hold the tent down in high winds we have here in virginia thanks
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!!