21 tons Long Boom Crawler excavator, long digging distance

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 50 unit/month

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JCM921D Hydraulic Crawler Excavator’sOperating Weight（with long boom）is 20.5t, equipped with CUMMINS B5.9-CEngine, with Boom 7.64m,Arm 5m, Bucket 0.45m³.

JCM921D HydraulicCrawler Excavator (withLong Boom)

TechnicalSpecifications

Engine

Travel System

Model

CUMMINS B5.9-C

Travel motors

JEIL, KOREA

Variable axial piston motor

Type

Water cooling, turbocharged, empty enter-cooling

Support roller quantities

2×7

Carrier roller quantities

2×2

No. of cylinder

Travel shoes

2×46

Bore and stroke

102mm×120mm

Travel speed

3.3/5.4km/h

Displacement

5.9L

Drawbar pulling force

201kN

Power output

112kW/1950rpm

Grade ability

70% (35°)

Ground clearance

470mm

Hydraulic System

Cab ＆ Control

Pump

KAWASAKI, JAPAN

Cab

All-weather, sound-suppressed Cab and equipped with a heavy, insulated Floor Mat; Front Window can be opened and slid; 6-direction adjustable Seat; LED display, Automatic monitoring, display and warning; cool & hot Air Conditioner

Type

variable double–piston pump

Max. discharge flow

2×208L/min

Max. discharge pressure

Boom, arm and bucket

31.9MPa

Control

Two hand levers and two foot pedals for travel Two hand levers for excavating and swing;

Electric rotary-type engine throttle

Travel circuit

31.9MPa

Swing circuit

25.5MPa

Control circuit

3.9MPa

Boom, Arm ＆ Bucket

Pilot control pump

Gear type

Boom cylinder

120mm×85mm×1285mm

Main control valve

Negative flow control

Arm cylinder

135mm×95mm×1490mm

Oil cooler

Air cooled type

Bucket cylinder

95mm×65mm×885mm

Swing System

Refilling Capacities＆lubrications

Swing motor

KAWASAKI, JAPAN

Fuel tank

360L

Swing motor type

Axial-piston motor

Cooling system

25L

Brake

Hydraulic oil released

Engine oil

20L

Parking brake

Hydraulic disc brake

Hydraulic oil tank

250L Tank oil level

Swing speed

11.5r/min

420L Hydraulic system

Bucket

Type

Backhoe bucket

Bucket capacity

0.45m³ (SAE)

Bucket width

921mm

Arm Type

Max. digging height

11560mm

Max. dumping height

9393mm

Max. digging depth

9464mm

Max. vertical digging depth

7876mm

Max. Depth cut for 2440m(8')Level Bottom

9315mm

Max. digging distance

13203mm

Max. digging radius at ground level

13075mm

Min. swing radius of work equipment

4400mm

Digging Force (ISO6015) Unit: kN

Arm length

5000mm

Bucket digging force

86kN

Arm digging force

60kN

Arm Type 5000mm

Overall length

11480mm

Tread

3360mm

Ground contact length (Transportation)

4655mm

Track length

4160mm

Overall height(to top of boom)

3053mm

Track gauge

2200mm

Overall width

2800mm

Track width

2800mm

Overall height(to top of cab)

2977mm

Shoe width

600mm

Counter weight ground clearance

1120mm

Bonnet height

2375mm

Ground clearance

470mm

Revolving frame width

2726mm

Tail swing radius

2905mm

Distance from swivel center to tail

2853mm

Operating Weight and Ground Pressure

Operating weight includes basic machine (with boom 7.64m, arm 5m, and bucket 0.45m³)

Shoe width

600mm

Overall width

2800mm

Ground pressure

45KPa

Operating weight

20500kg

Q: Ok well I wanna get a really good inground pool,not the best most expenive one they have but really close. I want it to be big and atleast 8 feet deep. it has 2 have a diving board,slide,and zacozey spa,and a fountain would be cool too. I dont want it to be huge but big,so can somebody give me some prices?: I got a quote here in michigan and it was 30,000 for something near a 12 x12 only 4 ft. deep. That was cement pond including 2 filters. It was with nothing extra and nothing fancy. We ended up buying a Kyak above ground pool with railing and a deck for 12,000. With the two filters.. I still can,t say we got the best dea. It is beautiful and maintainace is low. but I would just go for a regular pool becuase the cost is so rediculious trying to be fancy..We could have gotten much bigger for much less. Oh well I do believe what we have is okay we have had it for 5 years and I bet we have about 10 years left and it will stay in good shape.. best wishes.

Q: Should I use carpet or excavator: Your best bets are actually either paper towel or slate tile. Reptile carpet is pretty good, but sometimes there are incidents of leos catching their toes in the carpet. And I'm not sure that the excavator stuff is a very good idea, I think sometimes it collapses and/or can be ingested.

Q: My excavator is KOMATSU PC650,the bucket is vulnerable to wear after changed . How could I choose a right one: How many excavators you got Wang? ever heard of a grease gun? do you or any of your employees actually know how to operate an expensive piece of heavy equipment? or are you just trying to rip through rock and concrete at full power and destroying buckets, 20 years as a mechanic in the heavy equipment industry I've seen it all, that 650 ain't a small machine, and the bucket that came with it should last the life of the machine if some dummy doesn't neglect it or destroy it, keep your pins greased and change teeth when necessary, that is if you haven't ripped the shanks off already, other than that you could find someone to hard face the problem areas your experiencing with your buckets, many contractors that use there equipment 24/7 will do it, its a welding technique thats on going, as when the hard face wares down its re applyed,

Q: The county building code for my area specifies that the drain for my sump pump must be 10' from the property line. In order to meet that specification, and because the yard tends to be flat or uphill, I need to basically drain directly where the pipe comes out of my house. My gutter is also in that immediate area.I have an idea of how I want to drain both the gutter and sump pump that will eliminate concerns of ground erosion and avoid the accumulation of water in that immediate area, but I am looking for opinions.I plan to get a water deflector that directs the water 45 degrees opposed to one specificed direction. Then I plan to dig out an area around this spot that is maybe a foot deep and maybe a couple feet wide, put in erosion fabric, and backfill with rock. Is this my best option.I have no where to run a corrigated pipe and no down hill access: As long as your trench runs downhill and ends where the water will not end up back at the house then that sounds good. Careful not to dump it on your neighbor. Try to run it to the street. Use cobble stones over the fabric. If your are in arid climate try to use it to water any vegetation.

Q: What are some of the pros and cons of each? Im not exactly sure, but id assume that there is a lot of good and bad in both. I am selling my backhoe and plan on buying one or the other, but am leaning towars the gradall since i don't need to trailer it. What do you think?: too many things you can not do with a gradall . if you are good with an excavator you can do just about any job that involves dirt .you can also get into places with an excavator that you can not with a gradall

Q: I saw discovery channel prehistoric megladon sharks thrived in Kansas, Wyoming, And Texas and those three states were under water 82 million years ago! I want to take a trip out to wyoming, Kansas, and texas to farmlands and deserts to find dinosaur and prehistoric sea creature fossils and bones! How though? Do I just randomly dig? I'm so interested in prehistoric creatures and dinosaurs, I also leaned about how nyc once was home to castorodies or giant prehistoric beavers the size of a modern day grizzly bear and giant sea scorpions. Can I look in nyc for those remains? Have any fossils been uncovered in nyc during subway digging for the subway trains when they built it.: This year they have dig sites in Texas, excavating archosaurs, and in Wyoming, where they are digging out a large mammoth bone bed. I've participated in these expeditions and they are really interesting and good fun, besides that you learn professional techniques and get your name in the final expedition report.

Q: Excuse me, who would like to introduce the operation method of excavator for me? Search for one, but not enough. Thank you for your reply!: This lever is used to control the bucket and arm, to the left is a bucket, the right is closed, forward drop arm, back is the lift arm;Then walk, and when the driving wheel is in front, you push forward, you go back, pull back, you go forward, and the drive wheel is behind you

Q: Komatsu PC series excavators -5, -6, -7, -8. Which year did they begin production?: This is the case at homeProduction began in November, -5:1995-6:1997 began in January-7:2002 began in September-8:2007 began in SeptemberabroadMay, -5:88November, -6:1992April, -7:2001September, -8:05

Q: Im 17 years old and im looking for employment just somewhere simple that any kid in highschool would work.this is the first resume i've ever written and i was just looking for some feedback and advice for areas of improvement. basically what i want to know is if you were a hiring manager and you looked over my resume would you call me in for an interview?: It's a really good start, but I would make a few suggestions: 1) You don't need to list references on a resume; take them to the interview and provide them if you are asked for them. 2) You have a lot of information on here; most hiring managers will not spend a lot of time looking at your resume so less is more provided you effectively highlight your skills. Make sure it fits on one page. I would probably leave out the activities and interests section entirely or cut it down to no more that 3 or 4 bullet points. Likewise, your volunteer experience and honors sections should be cut down significantly or you could list a variety of volunteer experience as one bullet point under the heading summary of qualifications. 3) Finally, I would change your objective statement to say, Pursue entry level employment in culinary arts, retail, customer service OR business management (although you should obviously make OR lowercase). You should say or instead of and because I'm assuming you want a job in one of these fields, not all of them at the same time. :-) Good luck!

Q: I have 30 feet long on driveway side and 40 feet long in the back yard that needs to be dug up and hauled away ( it's probably alot of clay)? I believe it's about 65 yards at 8 feet down, 3 feet out but I'm not sure how far out you need to go. And how much will pea gravel and sand be to buy and back fill? When everything is dug out, I will need to jack up my house and jack the 2 walls back in place and then fix the drain tiles if needed, tar and fix cracks before back filled. Might have to be a mini excavator.: theyll be charging you by the hour for this job.some hand shoveling involved in this job. Pipes?W/ires? who knows what might be in there.

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