GC78-8 Hydraulic Crawler Excavator

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Supply Capability:: 60 unit/month

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GC78-8 Hydraulic Crawler Excavator, equipped with YANMAR 4TNV94L Engine, with Boom 3.71m, Arm 1.65m, Bucket 0.28m3, and Blade 2150mm×342.3mm.

GC78-8 Hydraulic Crawler Excavator

Technical Specifications

Engine

Travel System

Model

YANMAR 4TNV94L

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

Travel shoes

2×38

Bore and stroke

98mm×110mm

Travel speed

2.8/4.8km/h

Displacement

3.319L

Drawbar pulling force

57kN

Power output

43.4kW/2200rpm

Grade ability

70% (30°)

Ground clearance

384mm

Hydraulic System

Cab ＆ Control

Pump

NACHI, 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

169.5L/min

Max. discharge pressure

Boom, arm and bucket

28MPa

Control

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

Electric rotary-type engine throttle

Travel circuit

28MPa

Swing circuit

23.5MPa

Control circuit

3.5MPa

Boom, Arm ＆ Bucket

Pilot control pump

Gear type

Boom cylinder

115mm×65mm×840mm

Main control valve

Negative flow control

Arm cylinder

100mm×60mm×855mm

Oil cooler

Air cooled type

Bucket cylinder

90mm×55mm×710mm

Swing System

Refilling Capacities＆lubrications

Swing motor

JEIL, Korea;

Fuel tank

130L

Swing motor type

Axial-piston motor

Cooling system

Brake

Hydraulic oil released

Engine oil

12L

Parking brake

Hydraulic disc brake

Hydraulic oil tank

95L Tank oil level

Swing speed

11.3r/min

114L Hydraulic system

Bucket

Type

Backhoe bucket

Bucket capacity

0.28m3 (SAE)

Bucket width

750mm

Arm Type

GC78-8 Hydraulic Crawler Excavator

Max. digging depth

7222mm

Max. dumping height

5145mm

Max. digging height

3963mm

Max. vertical digging depth

3715mm

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

3874mm

Max. digging distance

6324mm

Max. digging radius at ground level

6171.8mm

Min. swing radius of work equipment

1818.5mm

Digging Force (ISO6015) Unit: kN

Arm length

1650mm

Bucket digging force

56kN

Arm digging force

41.5kN

Arm Type 1650mm

Overall length

6320mm

Tread

2130mm

Ground contact length (Transportation)

4330mm

Track length

2749.5mm

Overall height(to top of boom)

2829mm

Track gauge

1700mm

Overall width

2150mm

Track width

2150mm

Overall height(to top of cab)

2652mm

Shoe width

450mm

Counter weight ground clearance

812mm

Bonnet height

1775mm

Ground clearance

384mm

Revolving frame width

2203mm

Tail swing radius

1822mm

Distance from swivel center to tail

1750mm

GC78-8 Hydraulic Crawler Excavator

Operating Weight and Ground Pressure

Operating weight includes basic machine (with boom 3.71m, arm 1.65m bucket 0.28m3, and blade 2150mm×342.3mm)

Shoe width

450mm

Overall width

2150mm

Ground pressure

32KPa

Operating weight

7000kg

Q:I am looking for any information on a 1987 dresser excavator 635b,ie: shop manuals, hydrolic schematic. I would even be intersted in speaking with some who has worked on this machine.Anyone know where to get this info?: What is Dresser excavator 635b 1987? I am sorry but I don't know.

Q:Hi there, I am playing the new Black ops zombies map Moon, and have ran into a problem in which the excavators have blocked my path, both tunnel 11 and the one adjacent to it. I cannot pass and do not have the hacker, is there a way around it or do they stop eventually? thanks: First receive the hacker device from the lab. The lab is located just to the right if you are looking at the power switch, there are three floors in the lab and the hacker will be on one of the tables. Once you receive the hacker go through tunnel 11 or 6 and then go to the quick revive room where you start round 1. If the excavators have blocked both tunnels 11 and 6 there is a teleporter outside that takes you to area 51 this is where you start at the beginning of the game. To get to the teleporter go to the third floor of the lab and then open the left door. Carry on walking outside and then turn right and you should see 4 green lights if so walk pass the lights and jump down the hole. There will be a teleporter underneath you need every player on the teleporter to make it work. Once teleported wait until the teleporter reopens in area 51 and make everyone get onto it. Once you teleport back to quick revive there will be 1 or more green lights flashing on the excavator control panels. These are located to your right hand side in the middle with computers surrounding it or the other two next to the left airlock doors. It might be quicker to get teleported by the astronaut but you might not teleport in the right place and you will lose a perk e.g. juggernog. INPORTANT NOTICE Make sure that everyone is on the teleporter if you have the hacker so that you do not need to be revived because of lack of oxygen. If everyone else is on the teleporter you can make it to the teleporter and teleport with the hacker or without a space helmet on and not have to be revived.

Q:I have to go look at a machine and want to verify the serial number when I get there. I know nothing about excavators.: It depends. Is the number found is a complete aircraft registration number, it can be used to identify the plane, including the model, manufacturer, operator, and many others including history with some research. But if it's the number on a part, then it can lead you to identify what part.

Q:Why do excavators have gas caps?: There natural gas in mines

Q:How much does it cost to have a few truckloads of dirt removed from your property?: Your best bet is to put a sign in your yard next to the pile of dirt that says Free Fill, also post an add on Kijiji or whatever your local online classified source is. Put an ad in the paper, whatever. Someone will gladly come remove it for you free of charge. If you want it gone asap, call your local services to do this for you at an expense you will have to agree to before its removal. They will either charge by weight, cubic feet, hourly, or flat rate.

Q:Can you help me find to list all of the construction industry and all subjects of the building(constuction)?I know construction is :- Architecture -Building foundations - Building material - Building power systems - Building transportation systems - Construction management - Construction Photography - Construction software- Wall - WaterPls help me: This Site Might Help You. RE: I want to know all list of construction jobs and construction field ? Can you help me find to list all of the construction industry and all subjects of the building(constuction)? I know construction is : - Architecture -Building foundations - Building material - Building power systems - Building transportation systems - Construction management -...

Q:everyone says that if you open 6 first it will excavate it before the other ones. i always open excavator 6 1st but the excavator nevers turns on or it does #11. plz help: Where the excavator breaches is largely based on luck, but it is more likely that it will breach tunnels you have opened already. I have also found that opening to the power room at round one will cause the excavator to breach at round one sometimes. Hope this helps!

Q:We hired an excavator. PD $1500 cash first day then check for $2000. Then $600 cash for jack hammer. He was 3/4 done. Asked for remainder to pay his employees. Husband wrote check. Excavator booked. Won't return calls. Check bounced accidentally. Don't think we should pay til job done. Are we liable for paying cuz check bounced? Is it considered a crime on our part?I thought god was looking outfor us ssince they didn't finish job.thanks: You are twice and thrice screwed and stupider for asking here. You embarrass yourself. Of course you must pay the check and of course, were I the contractor, I'd stop work till check was made good. See, you already shafted your self. 1. You wrote the check and agreed to his terms. 2. You bounced the check, Baring your collective fannies to the contractor. 3. He now has every ground to charge you with a crime and seek restitution in civil court. And he is now under no obligation to complete the work. Because YOU breached the agreement.

Q:1) what type of lever is the bucket on the dragline excavator attached to? where is its fulcrum?2) identify any pulley systems in dragline excavator. What are their functions3) the bucket of a power shovel is smaller than that on a dragline excavator. Why?4)what types of levers can you see in the power shovel? where are their fulcrums?5) since the load in the bucket requires so much engine power, why don't the engineers include many more pulleys? (Hint: consider the force acting between each cable and the surface of each pulley).6): Here okorder /

Q:I remember I read from somewhere you can't use though and then finish with because in a sentence.: you just did dude :P

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