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: Im about to build my first gaming pc and im wondering which cpu to go with! Should I get the i5 2500k or wait for bulldozer. The i5 2500k is easily overclocked to 5Ghz and can be bought for ?155. Is it worth waiting 2 more months to see what amd can offer? There is speculation that bulldozer will be faster than sandybridge but will also carry a premium price.Thanks: Hell yeah! I purely offered and equipped my new gaming rig a month in the past with an i5 2500k in it and that i'm killing each and every interest available. those chips are very somewhat priced and on sale with mobo combination at places like Tigerdirect and Newegg. I rather have mine overclocked now with watercooling out of the field at 4.5 gig. No adventure in overclocking mandatory. So...UH...definite.

Q: Do you know how heavy the 220 bulldozer in the Yellow River is?: I have a the Yellow River D85 bulldozer. The engine signs are missing. Who knows what engines the engine uses? How can I find directions for use and engine drawings?

Q: best way to level a stationary mobile home?: Bulldozer. Now go ask your question in a segment that might actually help you.

Q: What does computer hardware AMD bulldozer refer to?: The "bulldozer" is the core of AMD completely redesigned, high performance processor technology will become the next generation of AMD for the client and the server, the performance compared to the Opteron 6100 series will increase 33%, about 50% of the core.As a new generation of processor architecture, AMD "bulldozer" will use the 32nm SOI technology, which makes the "bulldozer" than "Magny-Cours" can increase the number of core Opteron processors, 33% of the 50% increase in throughput without increasing power consumption under.With AMD before all of the processors are different is that the "bulldozer" adopted "modular design", each module contains two core processor, this is somewhat like a SMT enabled single core processor. Each core has its own integer scheduler and four proprietary pipelines, the two cores share a floating point scheduler and two 128 bit FMAC multiply accumulators.

Q: Alright, what would be the consequences (if one was caught) of driving a bulldozer that they found in a wide open field by the road. You see, i found this bulldozer beyond a large fence and it had the keys and everything. So...me and my retarded friends drove it around and lifted each other up etc. We're talking California here. Anybody know what the law would do to us? And please no one say **** about how stupid we are etc.: Grand Theft/Grand Larceny. Not a good thing to have on your record if you're ever hoping to go to college or have a decent job.

Q: Car rear end, the reason is not in front of a bulldozer tail lamp, who is responsible for the night.: The rear end accident1, after the car hit the car in front of the formation of rear end crash, the rear car bear full responsibility;2, the night before the car does not have taillights, the formation of rear end traffic accidents, the former car to bear secondary responsibility for the accident, the car after the main responsibility for the accident;3, the former car on the road after parking, did not open the dangerous warning lights and set warning signs according to regulations, the formation of rear end traffic accidents, the former car to bear the secondary responsibility of the accident, the latter bear the main responsibility for the accident;4, the former car on the road after parking, according to the regulations to open a dangerous alarm flash, and set a warning sign, forming the rear end of the accident, the car after all responsibility for the accident;5, the former car is too long, and did not set the obvious warning signs according to regulations, the formation of rear end traffic accidents, the former car to bear secondary responsibility for the accident, the latter car to bear the main responsibility for the accident;6, the former car reversing or slide after the collision of vehicles formed rear end traffic accidents, the former car to bear all the responsibility for the accident.

Q: Do you think the bulldozer umaga ( Eddie fatu) deserves to be in the hall of fame?: If Mike Tyson and Drew Carrey (-.-) can be in the Hall of Fame then dammit put Umaga in the Hall of Fame.

Q: Which model does amd bulldozer have?: Eight core FX-8000, six core FX-6000, four core FX-4000. First model four, including two models, eight core, a six core and a four core, by the end of the year will add four additional models.The first batch of four of the most high-end is "FX-8130P", the four core module eight, two level cache 8MB (per module 2MB), the three level cache Max 8MB, thermal design power 125W; under the same eight is the core of "FX-8110", the frequency should be slightly reduced, thermal design power is reduced to 95W, the same as him.Six, the core is "FX-6110", three modules, two cache corresponding to 6MB, four core is "FX-4110", double module, two cache 4MB, thermal design, power consumption is 95W.

Q: What is it if necessary?I'm not talking about what documents people need to drive a bulldozer, but what kind of documents do they need to refer to the bulldozer itself?: ID card or officer's certificate is ok. Costs vary from place to place and require specific consultation.Hope to adopt, thank you.

Q: What measures do bulldozers pay attention to?: This information should be useful in use note 1. new machines should be used before running in the stage, do not directly put into use. In the "running in" process, special attention should be paid to lubrication and maintenance, as well as instrument inspection work, and found that the failure in a timely manner. 2. when the environment temperature is below 5 DEG C, cooling water should be heated to 80 DEG C, adding to the water tank, and a water discharge valve closed until the outflow, and then continue to fill. 3. diesel engine starting, it must be preheated without load operation, the oil temperature does not reach the scope of work, do not start driving. 4. in the process of starting from the neutral: do not directly to the second or third position, so as to avoid the bulldozer starting speed is too large, causing the transmission element to bear large impact load. Before the gear is released, do not pull the throttle lever to the maximum throttle position. The operating position of each control lever must be accurate, thorough and not stopped so as not to cause the clutch friction plate to slip and cause severe burns and wear. 5. in the process of speed change and advance and fall: when handling the shift lever, you should step on the accelerator pedal first, then pull the shift lever. If you pull from one gear to the desired gear, the car does not travel. It can be pulled from a position to neutral position, and then pulled to the required gear. If there is no special needs, we must not turn in situ at high speed so as not to cause severe wear or other damage to the walking system.

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