7 Ton JCM Hydraulic Crawler Excavator, Small Excavator, 907D

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Product Description:

Operating Weight is 7.1t, equipped with CUMMINS B3.3 Engine(Tier II), with Boom 3.71m, Arm 1.65m, Bucket 0.28m3, and Blade 2210mm×386.5mm.

JCM907D HydraulicCrawler Excavator

TechnicalSpecifications

          Engine

    Travel System

Model

CUMMINS B3.3

Travel motors

JEIL,Korea; Variable  axial piston motor

Type

Four-cylinder in line,

natural intake

Support roller quantities

2×5

Carrier roller quantities

2×1

No. of cylinder

4

Travel shoes

2×38

Bore and stroke

95mm×115mm

Travel speed

3.14/5.26km/h

Displacement

3.3L

Drawbar pulling force

67.7kN

Power output

45kW/2200rpm

Grade ability

70% (35°)

Ground clearance

362mm

      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

2×74.8L/min

Max. discharge pressure

Boom, arm and bucket

27.5MPa

Control

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

Electric rotary-type engine throttle

Travel circuit

27.5MPa

Swing circuit

23.5MPa

Control circuit

4.9MPa

Boom, Arm Bucket

Pilot control pump

Gear type

Boom cylinder

115mm×65mm×864mm

Main control valve

Negative flow control

Arm cylinder

100mm×60mm×867mm

Oil cooler

Air cooled type

Bucket cylinder

90mm×55mm×710mm

      Swing System

Refilling  Capacitieslubrications

Swing motor

KYB,Japan

Fuel tank

170L

Swing motor type

Axial-piston motor

Cooling system

20L

Brake

Hydraulic oil released

Engine oil

13L

Parking brake

Hydraulic disc brake

Hydraulic oil tank

100L  Tank oil level

Swing speed

11.2r/min

180L  Hydraulic system

                          Bucket

 

Type

Backhoe bucket

 

    Bucket capacity

0.28m3 (SAE)

 

Bucket width

804mm

 

Arm Type

 

A

Max. digging depth

7127mm

 

B

Max. dumping height

5110mm

 

C

Max. digging height

4147mm

 

D

Max. vertical digging depth

3579mm

 

E

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

3766mm

 

F

Max. digging distance

6326mm

 

G

Max. digging radius at ground level

6181mm

 

H

Min. swing radius of work equipment

1812mm

 

Digging Force (ISO6015)        Unit: kN

 

Arm length

1650mm

 

Bucket digging force

53.6kN

 

Arm digging force

39.9kN

 

Arm Type                                 1650mm

 

A

Overall length

6146mm

I

Tread

2135mm

 

B

Ground contact length  (Transportation)

3731mm

J

Track length

2768mm

 

C

Overall height(to top  of boom)

2588mm

K

Track gauge

1700mm

 

D

Overall width

2210mm

L

Track width

2150mm

 

E

Overall height(to top  of cab)

2595mm

M

Shoe width

450mm

 

F

Counter weight ground  clearance

775mm

O

Bonnet height

1725mm

 

G

Ground clearance

362mm

P

Revolving frame width

2184mm

 

H

Tail swing radius

1750mm

Q

Distance from swivel  center to tail

1750mm

 

 

             Operating  Weight and Ground Pressure

 

Operating weight includes basic machine (with boom 3.71m, arm 1.65m  bucket 0.28m3, and blade 2210mm×386.5mm)

 

Shoe width

450mm

 

Overall width

2210mm

 

Ground pressure

36.2KPa

 

Operating weight

7100kg

 


















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Q:Why did the excavator find Lan Xiang?!
The advertisement on TV has such a sentence: "excavator technology which is strong, China Shandong looking for Lan Xiang?". It's been a fire, and that's actually what people say about Lan Xiang. In fact, it was very difficult for Lan Xiang to start up at the beginning. We should understand them. After all, Lan Xiang has trained a large number of human resources. PS: can be specific to Baidu search: Lan Xiang.
Q:Where is the excavator worth 6 billion yuan?
Its name is Bagger. It was made in Germany in 2881978. It is the world's largest bucket wheel excavator. It took 5 years to build, and the cost was $100 million.
Q:Explanation of tail slewing and tailless rotation of excavators
Moving arm side shift deviceThe front part of the body equipment boom side shift device, so as to realize the direct mining work similar to wall area, without frequent driving. With the small tail structure, narrow areas should be handled freely.Tailless slalomThe Kubota small excavator uses a small, tailless, rotating structure that does not exceed the width of the vehicle when the upper part is turned, so it is free to operate in narrow areas.The latest hydraulic systemThe system is not affected by the load size, but the hydraulic fluid flow is fully allocated according to the amplitude of the joystick. Therefore, the operation can be done easily according to the intention of the operator. At the same time, because of the small load of the engine and the unnecessary loss of the flow rate, various micro operations and compound operations can be realized.Original engineKubota is one of the few independent manufacturers of engines. Equipped with a small excavator engine, condensed for nearly a century of experience and technology, power surging, can meet all kinds of harsh occasions of operation.Clean engineEmissions of compounds that cause environmental pollution are minimized, a low fuel consumption clean engine that meets the next generation of needs.
Q:Which excavator school in Shijiazhuang is good?
So the students in the choice must pay attention to the equipment of the school, if the equipment is good, the school focus on operation, so you can learn, after graduating from a good job to earn high wages, if the school less equipment, one or two sets of equipment, but also very old, then don't choose this school, otherwise it is white.Excavator operation specialtyHitachi, a professional excavator: Carter, Sumitomo, Komatsu, Fukuoka and other world famous excavator models for students to practice, teacher strength.1, excavator foundation class semester: 30 daysTheory course study content: tap the day-to-day maintenance, mining operation procedures and precautions, excavators of various brands and dashboard cognition, simple engine and hydraulic principle.
Q:What are the differences between a hydraulic excavator and a backhoe?
According to the different work methods used excavator backhoe excavator item. Hydraulic excavator is a very abstract concept, it can be divided into positive shovel, backhoe, dragline and so on.
Q:What does climbing slope mean?
Is the slope of the excavator climbing, what is the maximum degree of slope?,
Q:Ask you, great God, excavator, fight wild, is the main Q, vice W, or the main Q, vice e!!!?!???
The main Q W, first lord Q explained, Kiyono, gank damage is a large part of QDeputy W, W is the first AOE injury, can accelerate the Desolator, the main vice W lets hit fly cooldown reduced to 1 W, hit fly cooling for 10 seconds, 5 W cooling for 6 seconds, to enhance the success rate of gankE upgrade damage bonus is really too low, 1 level tunnel 20 seconds CD, 5 level is 18 seconds, and no deputy W effect is obvious
Q:About excavator problem 50There are many types of machines,
400 bucket capacity: 1.9m fand350 bucket capacity: 1.6m fand260 bucket capacity: 1.3m fand210 bucket capacity: 1m fandThis depends on what brand you are talking about, such as Carter and Komatsu same tonnage, may be different from the bucket, depending on whether you are standard configuration or heavy configuration, there will be the difference between bucket and bucket. You can ask the number of cubic mining soil, professional concept: the excavator bucket capacity, but the bucket capacity refers to the full mark (according to the bucket is full, but around 45 degrees along the stack), note that the actual earthwork calculation, which can estimate the bucket capacity, but not a little poor.Take the site of the bucket capacity of Yuchai heavy industry, (the various manufacturers of bucket capacity is small, can be found in the official website of the brand or the sales staff at YC210), bucket capacity of 0.9 party, the 1.2 party YC260 bucket capacity, YC360 standard bucket capacity 1.6, YC420 standard bucket capacity 1.9. To calculate the weight, if it is earthwork, then the density is 1.8 tons / square calculation; if the density of stones, according to 2~2.2 tons / square calculation.And efficiency is the various manufacturers are different, and then to our site on the YC360 to a rough estimate, there can be 240~260 cycles per hour, which is roughly by 250 to calculate the bucket, each hour of backhoe loader 250*1.6=400. How many square meters can be excavated in an hour, with the machine tonnage, brand, soil, working conditions, loading position and many other factors, you can first use YC360 to estimate. If you have any questions, you can also ask them. Or you can go straight to the construction site and have a look.
Q:How does the excavator cross the ground cable?
This is not how you simple excavator must first condition excavator track with wire stand in a line up on the side of the excavator digging machine wire; track Caution!
Q:How do you calculate the amount of backhoe?
According to the drawing and calculation rules, the working surface and the slope are calculated. The type of excavator is not related, but the coefficient of slope is different between the pit operation and the down hole operation. If the coefficient of operation under the pit is small, the earthwork of the downward slope of the excavator should be calculated

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