SD7 BULLDOZER

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Main specifications

Operatingweight(not including ripper)--------------------------------------------------------------------------------23800㎏

Ripperweight---------------------------------------------------------------------------------------------------------------3900㎏

Groundpressure(without ripper)----------------------------------------------------------------------------------------71.9kPa

Trackcenter distance ----------------------------------------------------------------------------------------------------1980mm

Gradeability ---------------------------------------------------------------------------------Latitude30 ° Transverse 25°

Groundclearance ----------------------------------------------------------------------------------------------------------404mm

Overalldimensions(L×W×H) ： -------------------------------------5677×3500×3402(with straighttilting blade)

Diesel engine specifications

Model A-----------------------------------------------------------------------------------------------NT855-C280(Cummins)

Ratedspeed------------------------------------------------------------------------------------------------------------2100RPM

Flywheelpower(speed at 2100 rpm) ----------------------------------------------------------------------------------169kW

Min.Fuel Consumption ---------------------------------------------------------------------------------------≤235(g/Kw.h)

Model B-----------------------------------------------------------------------------------------------C6121ZLG10(Shanghai )

Ratedspeed------------------------------------------------------------------------------------------------------------2100RPM

Flywheelpower(speed at 2100rpm) ---------------------------------------------------------------------------------169kW

Min.Fuel Consumption ----------------------------------------------------------------------------------------≤222(g/Kw.h)

Theorytravel speed (km/h)

1stgear forward0-3.9 1st gear backward 0-4.8

2ndgear forward0-6.5 2nd gear backward 0-8.2

3rdgear forward0-10.9 3rd gear backward 0-13.2

Dozingoperation rate(moving distance 40m) 350m³/h

Torqueconverter

Torqueconverter used in SD7 bulldozer is power separating hydraulic-mechanic type.

Transmissionassembly

Itintegrates center drive, transmission and speed changing control valve into onecomponent. It can be assembled or disassembled as a assembly or as a part. Itis very convenient to service. Transmission is multi-stage planetary gear driveto realize modular assembling and disassembling. The shift can be changed among1st gear, 2nd gear, 3rd gear forward or reverse rapidly, throughmulti-functional control valve.

Steeringand braking clutch

Steeringclutch and braking clutch are adjustment free, oil-type , multi-disc clutch.The braking clutch is pressed by spring, separated hydraulicly, constant meshedtype. Steering clutch is hydraulic pressed, non-constant engaged clutch. Theaction of steering and braking is combined, operation manually to realizesteering slowly, sharply and braking. The braking of entire machine can berealized through the pedal. Parking braking rod is designed to keep theundercarriage system in braking condition when starting the engine andguarantee the machine not to slip on slope when starting the engine.

Finaldrive

Finaldrive is two-stage planetary reduction gear mechanism. It is mounted at outsideof steering and braking clutch. Combined sprocket segment is very convenientfor assembling, disassembling and service.

Hydraulicsystem of the machine

Itis composed of oil pump, transmission control valve, steering and braking controlvalve, sequence valve, relief valve at torque convertor outlet, filter andlines.

Mainpump-------------------------------------------------------------------------------------------------------------Gearpump

Oilflow----------------------------------------------------------------------------------------------------------------160　L/min

Workingpressure ------------------------------------------------------------------------------------------------------3.1　MPa

Rops with air conditioner cab

Thecab is hexagonal thin wall box-type structure. Glass is mounted at sixsides with wide viewing area. Pulling and pushing glass is installed at backside. Air conditioner is top-mounted with functions of cooling and heating. Thestructure of Rop is rigid. It can protect the driver efficiently when thebulldozer is in special condition.

Implementhydraulic system

Implementhydraulic system can control lifting, lowing and tilting of the blade. It alsocan control lifting, lowing of the ripper. It mainly consists of oil pump,cylinder, inlet valve group diverter valve group, oil tank line and controllingparts.

Mainpump ------------------------------------------------------------------------------------------High pressure gear pump

Oilflow --------------------------------------------------------------------------------------------------------------194　L/min

Systemworking pressure-------------------------------------------------------------------------------------------18.6　MPa

Leftand right undercarriage system

Thetrack is triangle shape. The sprocket is elevated. There are two idlers infront and at rear of the frame and seven track roller. Recoil spring andcylinder adjuster is mounted at the undercarriage. The rear end ofundercarriage frame is supported on the pivot. The front end is articulatedwith the equalizer bar. Choosing different undercarriage system according todifferent implement. The customer is required can guarantee center gravity ofthe machine to be at best efficient position. Choosing different width of trackshoe can ensure the bulldozer developing its optimum traction efficiency.

Maintenancefilling capacity

Fueltank --------------------------------------------------------------------------------------------------------------------- 450L

Watertank of cooling system ---------------------------------------------------------------------------------------------118L

Camshaftbox of the engine-------------------------------------------------------------------------------------------------20L

Bevelgear case--------------------------------------------------------------------------------------------------------------150L

Implementoil tank---------------------------------------------------------------------------------------------------------100L

Pivotlubricating tank-------------------------------------------------------------------------------------------------------15L

Finaldrive ------------------------------------------------------------------------------------------------------------------15L

Optional implement and components (*ordinary)

1)cab

A、Rops with air conditioner cab 　＊

B、Rops cab

C、Rops canopy

2)Frontmounted implement

A、straight tilting blade　　　　　　＊

B、Angle blade

C、U-type blade

3)Rearmounted implement

A、single shank ripper　　　＊

B、three shanks ripper

C、back drawing mechanism

4)Trackshoe of undercarriage

Optionaltrack shoe width

A、510mm B、560mm 　　　　＊

C、660mm D、914mm

5)winchdozer used in forest, desert dozer, LGP dozer ,HW dozer can be chosen accordingto special requirements of customer.

Q: Who wins? Why?: I will because I will. gw

Q: What is this new processor about?Does it have 10 cores?: AMD Bulldozer will max out with 8 cores however AMD will be releasing a 10 Core enthusiast CPU late 2012, with the name of Pile-driver. The Pile driver currently looks like it will be boasting a 10 core option.

Q: e been taking jack3d for a few weeks and just picked up Bulld to wait much longer with the Bulldozer and was wondering how a preworkout drink and taking annother scoop of bulldozer would turn out.: I sincerely hope you will take what I tell you to heart and stop wasting your money. I checked out this Jack3d and it only contains 2 amino acids, Creatine and caffeine and if you feel like you're getting jacked it's only from the caffeine. You could get the same result from drinking a coke. Bulldozer xl is another rip off but it does contain more amino acids,creatine and a 100mg of caffeine. Let me tell you how you can get ALL of the amino acids and save a lot of money. Buy any whey protein product, (the Walmart brand is as good as any) and make a shake using milk, a banana for thickener and some sugar for sweetener and you get all 22 amino acids. If you want creatine you can also buy that at Walmart and save money.

Q: that customizes bulldozers when it customizes x bulldozers in a month. How many bulldozers (x) per month must the company customize to make the maximum possible profit, and what is the (P) maximum profit? SHOW WORK pleaseeee?!?!factoring and quadratics help pleasee!!!: You can factor it. P=-2x^2+2500 -2x^2+2500=0 -2(x^2-1250)=0 x^2=1250 x=+/- 35.35 Since the company cannot make a negative number of bulldozers, 35.35~ 35 is your answer.

Q: what is better Intel Core i5 2400 or AMD Bulldozer FX-6 Six Core 6100 Black Edition?: Looks like the guy above may be wrong depends on if you want to overclock the cpu. The i5 2400 does not have an unlocked multiplier so if u overclock the fx 6100 you can easily beat the performance of the i5 2400. Without overclocking i5 2400 wins by a bit

Q: It can if it's a K9!: hahahaha! I love it!

Q: There is some road construction going on in my town and there are a couple of bulldozers and a road grader with a white pod attached to a long (6ft?) pole that is fixed to the blade. My best guess is that this is some sort of GPS device, but figured somebody here might now. Thanks!: They could be using GPS, but not that configuration. As others suggested, it could help the operator more accurately position his blade. It's more likely to help other operators know where he is. It's most likely so an observer can use it like a range marker navigation aid to tell the operator to veer more to the right or the left. If the driver is in the right place, his pod will line up with a survey marker.

Q: If you had your own language, what would be your word for bulldozer?: Im Malayalam Mannumaanthiyanthram.

Q: Looking to build a new gaming rig, just can't decide whether to go for the Intel 2600k cpu(already released) or wait for the AMD Bulldozer cpu, which releases sometime early 2011 = (. Is it worth waiting for?: Coming from an AMD fan like myself, Intel has surprised me this time. Sandybridge CPU's are completely worth the money, like the 2600k. Just make sure you match the chipset up so that way you can overclock RAM,CPU, and graphics accordingly.

Q: Research about machines that perform an action, i.e. bulldozers, dump trucks, airplanes, etc. In what way do t?: Machines are used to create what is called a mechanical advantage. This means to allow a human to doing something beyond what they can normally do alone. Many types of systems are involved in each depending on the specific advantage. Typically they use hydraulic (fluid pressure), electrical (controls), air pressure; and combinations. Hope that helps.

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