SD8N Bulldozer



Quick Description

SD8N bulldozer is 345 horsepower track-type dozer with elevated sprocket, hydraulic direct drive, semi-rigid suspended and pilot hydraulic controls. Equipped with hydraulic-mechanic type torque converter, planetary, power shift transmission. It can be used in road building, hydro-electric construction, land clearance, port and mine development.

  • Engine - Chongqing Cummins NTA855-C360S10
  • Engine Rated Power(257 KW/345 HP)
  • Operating weight 36,800 Kg (without ripper)
  • Pilot joy stick hydraulic control
  • Elevated sprocket, ITM track and sprockets
  • ROPS and air conditioned cabin, LED Lights
  • Semi-rigid suspended track system






SD8N
Engine
Make Chongqing Cummins
Model Chongqing Cummins NTA855-C360S10
Type Air to air after cooled, mechanical injector
Cooling System Type Water cooled
Turbo charged Yes
Rated Power (KW/HP) 257/345
Rated Revolution (rpm) 2100
Maximum Torque (N.m/rpm) 1353/1400
No. of cylinders 6
Bore x Stroke ( mm) 140 x 152
Displacement 14 L
Fan Drive type Mechanical
Min ground clearance(mm) 556
Compression rate 14.5 : 1
Fuel filter 2
Fuel System Type Chongqing Cummins type, mechanical control fuel injection
Electrical
Alternator 24V / 50A
Starting motor 8 KW
Battery Rating 2 x 12V, 120 Ah
LED Lights Yes
Power Train
Torque convertor / Clutch Torque Convertor
Type Power separating hydraulic mechanical type
Transmission/Gear Box Transmission Type
Type / Model Power shift planetary transmission with 3 speeds forward and 3 speed reverse, speed and direction can be quickly shifted
No. of gear forward 3
No. of gear backward 3
Max forward speed 10.8
Max reverse speed 13.9
Maximum drawbar pull 1st gear - 250.9 KN 2nd gear - 230.4 KN
Hydraulic System
Operation type Pilot hydraulic control
Hydraulic pump
Type Gears oil pump
Capacity / Discharge 220 (L/min)
Relief pressure / Max pressure 20 Mpa
Hydraulic cylinders
Type Double acting piston type
Blade jack lift (No. of cylinders/bore x stroke) 2 / 120 x 1425
Blade tilt (No. of cylinders/bore x stroke) 1 / 180 x 203
Ripper : (No. of cylinders /Bore x Stroke (mm)) Ripper digging: 2 / (165.1 x 445) Ripper lift: 2 / (180 x 280)
Control Valves Type Pilot operated with joystick control
Steering
Type The steering clutch is hydraulic pressed, usually separated clutch
Steering Control Hydraulically operated
Under Carriage
Track gauge (mm) / Track pitch 2083
Track rollers (each side) 8
Carrier rollers (each side) 1
Track shoes (each side) 44
Shoe width (mm) 560 mm
Ground pressure 94 Kpa including ripper and blade
No. of idler (each side) 2
Filtration
Engine Replaceable cartridge filter
Transmission One magnetic oil strainer and replaceable element by-pass filter
Steering & Braking One magnetic oil strainer and replaceable element by-pass filter
Hydraulic System Return filter
Operating Mass
Operating mass (kg) (approx.) including single shank ripper - 36800
Blade Specifications - General
BLADE ATTACHMENT 1 - Standard Machine Tilt Semi U blade
Overall length with dozer 5937 With ripper - 7751
Max. lift above ground / height (mm) 1231
Max. drop below ground/ Max digging depth 582
Blade / Dozing Capacity(Cum) 11.24
Mass in (kg) Dozer Blade attachment / Dozing weight 4570 kg
Blade width (mm) 3940
Blade height (mm) 1698
Brake
Type The braking clutch is pressed by spring, separated hydraulic, meshed type Wet banding structure
Control / Actuation type foot brake, hydraulic booster
CABIN Sealed cabin with air conditioner with ROPS
INSTRUMENTATION Hour meter, fuel gauge, temperature gauge, battery charge indicator, horn, oil pressure gauge, front light, rear lights, plough lights, indicator lights
ADDITIONAL ATTACHMENTS 1). Stage III engine , 2). 3 shank ripper , 3). Single shank ripper
  • Stage III Engine
  • 3 Shank Ripper.
  • Single shank Ripper

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