SD255Y-1

Technical Parameters

• Engine
  Model

  CumminsNT855-C280

  Type

  Straightvertical, four-stroke, watercooling, Plpumpinjection, turbocharged

  Rated power

  175kW

  Rated Speed

  1800r/min

  Number of cylinders -bore×stroke

  6-φ139.7×152.4mm

  Starting method

  Startingmotor24V,11kW

  Battery

  24V(12V×2)-195Ah

  Aircleaner

  Dry horizontal typewith precleaner

  Min fuel consemption ratio

  218g/kw-h

• Transmission System
  Torque converter

  3-element, single-stage, single-phase

  Transmission

  Planetary gear, multiple-disc clutch, hydraublc actuated, forced lubrication by gear pump, 3 forward and 3 reverse speeds

  Bevel gear

  Helical bevel gear, Splash lubricated

  Steering clutch

  Wet, Multiple disc, Spring loaded, hydraulically released

  Steering brake

  Wet, band brake, operated with hydraulic booster and valve inner linkage

  Final drive

  double reduction, splash lubricated

• Under Carrlage
  Sprocket

  Segmented

  Number of track rollers(each side)

  6(4Single, 2double)/ 8(5Single, 3double)

  Track tension

  Hydraulic-adjusted

  Sprockets、Track rollers、 Carrier rollers、Front idlers

  Floating seals

• Travel Speed(Km/H)
  Forward

  3.6/6.5/11.2

  Reverse

  4.3/7.7/13.2

• Hydraulic System 0f Work Equipment
  Working pressure

  14Mpa

  Rated flow rate(2000r/min)

  262L/min

  Pump

  Gearpump

  Control valve

  Hand-operated plunger sarvo controlling

• Work Equipment
  Blade type

  Straight-tilt

  Width

  3735mm

  Height

  1310mm

  Max. drop below ground

  538mm

  Max. Tilt

  >735mm

  Blade capacity

  6.4m³

• Track
  Type

  Sealed single grouser

  Track pitch

  216mm

  Track width

  560mm

  Number of track shoes(each side)

  38

  Length of track on ground

  2730mm

  Ground clearance

  405mm

  Track gauge

  2000mm

• Rippero
  Max. dig below ground

  Single/Three Shank

  Max. dig below ground

  695/666mm

  Max. lift above ground

  515/555mm

  Weight

  2453/2495mm