| Performance parameters of SD7 |
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| Blade Type ------------------------------------------ --------------- --------------------- ---------------------Straight blade |
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| Operate weithg -------------------------------------- -- ------------------- -- ----------------------------------- - 23800 kg |
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| Ground Pressure---------------------------------------- ----------------------------------- ------------------ ----- 71.9KPa |
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| Track center distance ------------------------------------ -----------------------------------------------------------1980mm |
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| Min ground clearance------------------------------------ ------------------------ ----------------------------------- -404mm |
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| Max.gradeability----------------------------------------- ----------------------------------------------------------30/25deg |
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| Blade capacity ------------------------------------------ -------------------------------------------------------------8.4m3 |
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| Blade width -------------------------------------------- - ---------------- -------------------------------------- -- 3500mm |
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| Maximum soil depth of cut-------------------------------- ---------------------------------------------------------- --498mm |
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| Overall dimensions-------------------------------------- -------------------------------- ----------5677mmx3500mmx3402mm |
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| ------------------------------------------------------------------------------ -------------------- -- |
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| Engine - ---------------------------------------------------- ------------------------- ----------------- |
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| Type ---------------------------------------------------- ------------------ --Cummins
NTA855-C280 OR Shangchai C6121ZLG10 |
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| Rated speed -------------------------------------------------------------------------------------- ------2100rpm / 2100rpm |
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| Flywheel power-------------------------------------------------------------------------------------------------169kw/169kw |
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| Max torque -------------------------------------------------------------------- ------- 1097Nm/1500rpm / 1035N.m/1400rpm |
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| Fuel consumption------------------------------------------------------------------------------------ -<235g/kwh / <220g/kwh |
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| |
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| Working Device Hydraulic System------------------------------------------------------------------------------------------ |
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| The maximum system pressure------------------- ------------------------------------------------------------- ---- --18.6Mpa |
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| Pump type --------------------------------------------------------------------------------------- ----high pressure gear pump |
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| System flow tate------------------------------------------------------------------------------------------- ---------194L/min |
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| |
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| Travel system |
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| Type ------------------------------------------------------------ triangle shape Track, drive sprocket high set, semi-rigid suspension |
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| The number of supporting wheels(side)--------------- --------- ---------------------------------------------------- ----- 7 piece |
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| Track link pitch-------------------------------------------------------------------------------------------- ---- --- --216mm |
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| Track plate width ----------------------------------------------------------------------------------------------------560mm |
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| |
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| Forward speed |
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| 1st speed ----------------------------------------------------------------------------- - ----------------------- --3.90km/h |
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| 2nd speed --------------------------------------------------------------------------------------------------------6.50km/h |
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| 3rd speed ------------------------------------------------------------------------------------------ -------- -----10.9km/h |
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| |
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| Reverse speed |
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| 1st speed --------------------------------------------------------------------------------------------------------4.48km/h |
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| 2nd speed --------------------------------------------------------------------------------------------------------8.20km/h |
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| 3rd speed -------------------------------------------------------------------------------------------------------13.20km/h |
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| |
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| transmission |
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| Torque Converter --------------------------------------------------------------------- --------External shunt integrated approach |
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| Gear box -------------------- -- Transmission is planetary gear transmission, power shift transmission, Enables fast gear and direction change |
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| Steering clutch -------------------------------------Free Mode, wet multi-plate, hydraulic compression of non-regular combination of clutch |
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| Steering brakes--------------------------------- ---Free Mode, wet multi-plate, hydraulic compression of non-regular combination of clutch |
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| Final transmission -------------------------------------------------------Two grade bipolar planetary reduction gear, splash lubrication |
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