21 tons Long Boom Crawler excavator, long digging distance

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Product Description:

JCM921D Hydraulic Crawler Excavator’sOperating Weightwith long boomis 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

6

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  Capacitieslubrications

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

A

Max. digging height

11560mm

B

Max. dumping height

9393mm

C

Max. digging depth

9464mm

D

Max. vertical digging depth

7876mm

E

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

9315mm

F

Max. digging distance

13203mm

G

Max. digging radius at ground  level

13075mm

H

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

A

Overall length

11480mm

I

Tread

3360mm

B

Ground contact length  (Transportation)

4655mm

J

Track length

4160mm

C

Overall height(to top  of boom)

3053mm

K

Track gauge

2200mm

D

Overall width

2800mm

L

Track width

2800mm

E

Overall height(to top  of cab)

2977mm

M

Shoe width

600mm

F

Counter weight ground  clearance

1120mm

O

Bonnet height

2375mm

G

Ground clearance

470mm

P

Revolving frame width

2726mm

H

Tail swing radius

2905mm

Q

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


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Q:Heavy machine soldier 3 crab excavator, where I can't get on
I've been looking for that place for a long time... It's very weirdFirst of all. In 1 wandering into the factory on the ground is 3 rooms, it is the factory, the roof is excavator, don't go into the factory... Now go outside, there is a place that can trigger automatic plot, look up, sway the crab excavator swagger before others go directly to... I, this story no trigger...
Q:Volvo 212 excavator Quotes
Carter excavator quotes:3 million 55 thousand and 370CAT305.5 more than 440 thousand (3 years in installments)Between 306 million 420 thousand and 440 thousand, the MITSUBISHI engine produced in Xuzhou, 4M40EA40.5 kW work weight 5775 kg bucket 0.22 with push boardA simple point is an improved version of 305.5307 million 498 thousand Carter 307D 49W312 million 758 thousand is now 312D, the transaction price of 78, now the new car is only 312D, naked car transaction price is 780 thousand, imported315 million 903 thousand3 billion 201 million 180 thousand3 billion 231 million 280 thousand3 billion 241 million 310 thousand3 billion 251 million 468 thousand3 billion 291 million 568 thousand3 billion 361 million 890 thousand cat336DL (195w) cat320D (111w)Komatsu excavator quote:PC60-7 480 thousandPC110-7 680 thousandPC130-7 780 thousandPC200-7 860 thousand200-8 of Komatsu's 930 thousand bosses bought pc450-7 (230W) pc360-7 (160W) at the beginning of 2010PC200-8 970 thousand (mine type 1 million 10 thousand)Kato excavator quotes:820III 1 million512III 740 thousandDoosan excavator quotation:Doosan 55 32WDoosan 60/7 34W Doosan DH60--7 360 thousandDoosan 70 42WDoosan 80 46WDH150 57.5W DH225 76.8WDH150 630 thousandDH225 815 thousand (staging)DX225 890 thousand
Q:What can an excavator do?
Excavators can not only dig earth, sand and gravel, but also can be used as small lifting equipment, flexible and flexible, and rarely affected by the geographical environment, not only can rescue, but also self-help.
Q:What brands do excavators have?
Caterpillar Doosan, Xu can also work Liu
Q:Introduction of excavator
First, the definition of excavators, excavators, also known as mining machinery (excavating machinery), is digging with bucket mining materials above or below the surface of the machine, and loaded into the transport vehicle or dump to the stacker of earthmoving machinery. The main materials are soil, coal, sediment and soil and rocks that have been pre - loosened. From the development of engineering machinery in recent years, the development of excavator is relatively fast, and excavator as one of the most important construction machinery models in engineering construction, the correct selection is also more important. Two, a brief history of excavator first hand excavator has been developed for more than 130 years of history, has experienced a gradual development process of automatic hydraulic excavator driven by steam rotary bucket excavator to the internal combustion engine and electric drive rotary excavator, application of mechatronics technology during the. The first hydraulic excavator was successfully invented in japan. Due to the application of hydraulic technology, 1940s has been installed in the tractor equipped with a backhoe hydraulic excavator suspension, in early 1950s, and have been developed in the mid towed rotary hydraulic excavators and crawler hydraulic excavator.
Q:The hero League digger listens, will the enemy show it on the map?
On the big map, the enemy movement will have obvious ripples, and it will not appear on the minimap.If the enemy to escape to the excavator, into, you will hear a very clear sound, like terror footsteps, so when the excavator on the mobile side if you can find the enemy immediately. Play with the excavator, you must bring headphones.It is worth noting that, if the enemy is stationary, you can not hear, such as the enemy 3 BUFF blue eyes sweep ambush, you can not face the grass so dangerous, but to find the angle shrink gun (by the shrink gun in the enemy will be exposed to the blue grass field) watch Party A. Generally, the enemy who hears the enemy is sure to hit the ground gun in a locked position, and when he is not sure, he will plug into the eye and shrink the cannon. It's very difficult to hide.
Q:All the models and bucket capacity of Carter excavator
Carter excavator models have CAT305.5 bucket capacity of 0.2 parties,CAT307 excavator bucket capacity 0.31 party,Carter 307 dug bucket capacity of 0.36 parties,Carter CAT312BC excavator bucket capacity 0.52 partyCAT315DL excavator bucket capacity 0.74 partyCATE200B excavator bucket capacity 0.8 partyCAT320BC excavator bucket capacity 1 Party
Q:Excavator standard
(7) GB, 25684.5-2010, safety of earth moving machinery, fifth parts: requirements for hydraulic excavatorsAmong them, GB/T 7586-2008 and GB/T 9139-2008 are the main specifications of excavator performance, and GB 25684.1 and GB 25684.5 are mandatory standards for excavator safety.
Q:What are the advantages and disadvantages of wheeled excavators and crawler excavators?
Crawler excavator is widely used in the market, and wheeled excavator is mainly used in small municipal engineering
Q:What are the specifications of excavators?
Provisions for the establishment of domestic single bucket excavator models:(digging) caterpillar type:W mechanical single bucket excavator;Standard bucket capacity m3 * 100;WD electric single bucket excavator;Standard bucket capacity m3 * 100;WY hydraulic single bucket excavator;Standard bucket capacity m3 * 100;WB long arm single bucket excavator;Standard bucket capacity m3 * 100.Tire type:WS tunnel single bucket excavator;

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