SD7 BULLDOZER

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SD7 BULLDOZER

SD bulldozer are 230 horsepower track-type dozer with elevated sprocket, hydraulicdirect drive, semi-rigid suspended and hydraulic controls. It can be equippedwith straight tilting blade, angle blade, coal pushing blade, single shankripper, three shanks ripper. The cab is Rops with air conditioner.

SD7-230horsepower, elevated sprocket bulldozer integrate modern secience into it, its newstructure, good performance, high working efficiency, safety and comfortableoperation condition, realiable entire quality, excellent service is your wisechoosing.

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

ARops with air conditioner cab    

BRops cab

CRops canopy

2)Frontmounted implement

Astraight tilting blade      *

BAngle blade

CU-type blade

3)Rearmounted implement

Asingle shank ripper         

Bthree shanks ripper

Cback drawing mechanism

4)Trackshoe of undercarriage

Optionaltrack shoe width

A510mm          B560mm     *

C660mm          D914mm

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


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Q:The Best Gaming Processor?
People claiming the Bulldozer or even the 990X are better than the i5 2500k for gaming need to shut up and leave. They are utterly clueless. Bulldozer gets slapped silly by the i5 2500k in gaming benchmarks and the 990X is pointless overkill as a bunch of cores go unused, making it slower than an i5 2500k in gaming. Do you boobs even know what a benchmark is?
Q:What is the best AMD CPU?
Yes the 1100T. Would Definitely wait for Bulldozer if possible.
Q:is it illegal to touch abandoned bulldozers?
It was technically trespassing and you could be liable for any damage you did. For example: If you lowered the blade on someone by accident, the owners of the machines would be sued and you would be a co-defendant. This is the reason I lower my dozer blade and padlock the controls and battery disconnect before leaving it unattended. There are just too many numbskulls out there who think nothing of messing with someone's stuff, just because they don't think anyone will catch them. You probably didn't see the camouflaged cameras that were taking your pictures when you came anywhere near the equipment.
Q:Which brand of bulldozer gear oil is good?
Gear oil and hydraulic oil usually buy these oils are bought Hebei Xuangong, durable, soft voice of many engine
Q:Should i go with the AMD FX-8150 Bulldozer 3.6GHz or save some money and get a AMD Phenom II X4 980 3.7GHz?
For gaming the x4 would be completely fine. And don't worry about the amd/ intel debate, intel is better but not nearly as much as amateurs believe
Q:What are amd pile drivers and bulldozers?
These two years, real estate is so fire...... AMD watched everyone decided to get involved in the real estate industry, from the beginning of the construction team on intervention......Building a house needs to be laid on foundations, and foundations are naturally built with bulldozers and pile drivers, you know.
Q:What is CAT's largest bulldozer?
Maybe the caterpillar D-11RCD
Q:Did anyone ever get the 4100 fx processor to work for Deus Ex :HR?
As okorder.com/... Needless to say there's a reason I've stuck with my Phenom II.
Q:If you could date a machine which one would you pick?
An ATM machine, for sure....!!
Q:Intel SandyBridge 2600k or AMD Bulldozer CPUs?
The 2600K has a significant advantage over ANY AMD chip, even the high end 6 cores. AMD core technology is far behind Intel at this point. I think it would be a miracle if Bulldozer can ever match Sandy Bridge in performance, much less pass it up

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