SD8N Bulldozer

SD8N bulldozer also known as Mining dozer is 345 horsepower track-type dozer with elevated sprocket, hydraulic direct drive, semi-rigid suspended and pilot hydraulic controls. This bulldozer weighing 32 tons approx is equipped with hydraulic-mechanic type torque converter, planetary, power shift transmission. It can be used in hydro-electric construction, mining sectors, land clearance, port development etc. SD8N Big Bulldozer is equivalent to Caterpillar Bulldozer D8R, Komatsu D155, BEML BD155 bulldozer.
if you are looking for a certain brand of New dozer, Buy SD8N Big bulldozers with advanced elevated sprocket with reliable Cummins engine technologies to help the operator control the blade and complete more quality work done in less time.

  • Engine - Chongqing Cummins NTA855-C360S10
  • Engine Rated Power(257 KW/345 HP)
  • Operating weight 32 tons & around 37 tons with ripper
  • Pilot joy stick hydraulic control
  • Elevated sprocket, ITM track and sprockets
  • ROPS and air conditioned cabin, LED Lights
  • Semi-rigid suspended track system


MakeChongqing Cummins
ModelChongqing Cummins NTA855-C360S10
TypeAir to air after cooled, mechanical injector
Cooling System TypeWater cooled
Turbo chargedYes
Rated Power (KW/HP)257/345
Rated Revolution (rpm)2100
Maximum Torque (N.m/rpm)1353/1400
No. of cylinders6
Bore x Stroke ( mm)140 x 152
Displacement14 L
Fan Drive typeMechanical
Min ground clearance(mm)556
Compression rate14.5 : 1
Fuel filter2
Fuel System TypeChongqing Cummins type, mechanical control fuel injection
Alternator24V / 50A
Starting motor8 KW
Battery Rating2 x 12V, 120 Ah
LED LightsYes
Power Train 
Torque convertor / ClutchTorque Convertor
TypePower separating hydraulic mechanical type
Transmission/Gear BoxTransmission Type
Type / ModelPower shift planetary transmission with 3 speeds forward and 3 speed reverse, speed and direction can be quickly shifted
No. of gear forward3
No. of gear backward3
Max forward speed10.8
Max reverse speed13.9
Maximum drawbar pull1st gear - 250.9 KN 2nd gear - 230.4 KN
Hydraulic System 
Operation typePilot hydraulic control
Hydraulic pump 
TypeGears oil pump
Capacity / Discharge220 (L/min)
Relief pressure / Max pressure20 Mpa
Hydraulic cylinders 
TypeDouble 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 TypePilot operated with joystick control
TypeThe steering clutch is hydraulic pressed, usually separated clutch
Steering ControlHydraulically operated
Under Carriage 
Track gauge (mm) / Track pitch2083
Track rollers (each side)8
Carrier rollers (each side)1
Track shoes (each side)44
Shoe width (mm)560 mm
Ground pressure94 Kpa including ripper and blade
No. of idler (each side)2
EngineReplaceable cartridge filter
TransmissionOne magnetic oil strainer and replaceable element by-pass filter
Steering & BrakingOne magnetic oil strainer and replaceable element by-pass filter
Hydraulic SystemReturn filter
Operating Mass 
Operating mass (kg) (approx.)including single shank ripper - 36800
Blade Specifications - General 
BLADE ATTACHMENT 1 - Standard MachineTilt Semi U blade
Overall length with dozer5937 With ripper - 7751
Max. lift above ground / height (mm)1231
Max. drop below ground/ Max digging depth582
Blade / Dozing Capacity(Cum)11.24
Mass in (kg) Dozer Blade attachment / Dozing weight4570 kg
Blade width (mm)3940
Blade height (mm)1698
TypeThe braking clutch is pressed by spring, separated hydraulic, meshed type Wet banding structure
Control / Actuation typefoot brake, hydraulic booster
CABINSealed cabin with air conditioner with ROPS
INSTRUMENTATIONHour meter, fuel gauge, temperature gauge, battery charge indicator, horn, oil pressure gauge, front light, rear lights, plough lights, indicator lights


SD8N_Bulldozer_ working
Saurabh Aggarwal

Optional Attachment 

1). Stage III engine
2). Air conditioner
3). U blade (Coal blade)
4). 3 shank ripper
5). Single shank ripper
6). Solid waste blade
7). Special machine for solid waste with broad 910mm triangular track plates