SD7 BULLDOZER

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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: What are your biggest fears?: Whales.

Q: Why i raised this question because i am hearing things from many people discussing that if its a true quad core cpu or not. and i am getting a superb deal over here in my world to get it. i currently have athlon ii x4 635 and i know that its a true quad core cpu but before i buy this bulldozer fx4100 i need to make sure that this should be a true quad core cpu too. (i know there are other better cpus too but i am on a budget.): that chip is made from 2 BD modules, and each module has 2 &cores.& the reason for the quotes is that each pair of cores shares l1 and l2 cashe, and instruction units. that makes it so the pair performs at about 140% of the performance of using only one core on a module. that makes it function like each module is a core with 2 threads. so when you look at a BD part they will always be slower than the phenom with the same thread count and clock speed. when you compare it to an intel part that makes the fx4100 like a dual core with hyper threading. so, no it is not a real native quad core, it is like a 4 thread dual core. that chip is also not an upgrade to your 635 unless you are going to overclock since the fx4100 clocks much higher.

Q: I have been looking around for a good pre-workout supplement, I've looked around and most people say thats Bulldozer Xl-5000 is the best if you want to gain muscle, and not just stimulants, if anyone has tried it is it worth the price, and if not what are some other good pre-workouts that build muscle and are not just loaded with stimulants?: You'll have to exercise and get in the weight room to get stronger.. You can probably find out at a health food store whether or not you can use whey and Bulldozer together.....

Q: What are the CPU of the AMD bulldozer series? What is the bulldozer?: AMD bulldozer is a specific type of too much, from FX4xxx, FX6xxx, FX8xxx, but the new FX8xxx CPU models have not called bulldozer, called the piling machine, the structure is named AMD CPU, specific not much practical significance.

Q: when you pull back and release the clutch the pins fall out, how do you adjust them so they want fall out: obviously something is missing from the pin. Ask an International Tractor Dealer

Q: Where can i get a metal remote control bulldozer?: Have you tried searching the net, I've never heard of this kind of remote control. but good luck.

Q: Could anyone please tell me What the name of the movie in which Lee Marvin drove into a house with a bulldozer?: Are you sure it was Lee Marvin? In the 1979 movie Firepower, James Coburn drives a bulldozer through a house destroys it.

Q: So Ive been out of the loop for a little while now but I recently finished a high end stereo install and would like to put together a new club/dance/techno cd. Nothing rediculous. I have several clublands as well as a few others but would like to see waht you guys come up with. Im a big fan of Darren Styles, Scott Brown but also Cascada, and Ultrabeat. Neat stuff like Fedde Le Grande would be good too. Just wanna see what you guys come up with. I have plenty of power on tap so I plan on turning these things up: Alphazone - Flashback Simon Patterson - Bulldozer Far Too Loud - Play It Loud (Broken Robot Mix) Leon Bolier - Summernight Confessions

Q: Sim City - How do you delete roads?: Click the bulldozer icon and highlight the road. Then let go and it will be destroyed

Q: Did the Industrial Revolution produce an automated digging machine for roads and if so, what was it's name?: its called an Italian with a shovel. MIKE

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