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Sprocket Elevated Driving Bulldozer SD7N (230HP)

SD7N bulldozer is 230 horsepower track-type dozer with elevated sprocket, power shift drive, semi-rigid suspended and hydraulic controls. 

    Product Introduction

    SD7N bulldozer is 230 horsepower track-type dozer with elevated sprocket, power shift drive, semi-rigid suspended and hydraulic controls.

    It can be equipped with straight tilting blade, angle blade, coal pushing blade, U shape blade; single shank ripper, three shanks ripper; ROPS, FOPS, forest defence cabin etc.. It is can ideal machine used in communication, oil field, power, mining etc. large earth moving program.

    MAIN FEATURES

    1.Easy for repair & maintenance
    SD7-230 horsepower, elevated sprocket bulldozer integrate with modular design is easy to repair & maintenance.

    2.Energy saving
    It relieves oil with difference pressure, the hydraulic system performs protecting environment and save energy with high working efficiency.

    3.Stable chassis
    Ground Length (Standard Type):2895mm
    Advantages: The compact structure is convenient to be disassembled and assembled. The required time is saved by 30%, the cost is decreased accordingly

    SD7N-_202009251104121 (1)5qa

    4.Structure advantages:

    5.Comfortable operation
    Safety comfortable operation condition, electric monitoring and ROPS cabin with reliable entire quality, excellent service is your wise choosing.

    SPECIFICATIONS

    Dozer

    Tilt

    (not including ripper) Operation weight (Kg)

    23800

    Ground pressure(KPa)

    71.9

    Track gauge(mm)

    1980

    Gradient

    30°/25°

    Min. ground clearance (mm)

    404

    Dozing capacity (m³)

    8.4

    Blade width (mm)

    3500

    Max. digging depth (mm)

    498

    Overall dimensions (mm)

    5677×3500×3402

    including ripper

    7616×3500×3402

    SD7N-CAByr2
    S-SD7N-INNER PICTURES OF CAB (1)uds
    S-SD7N-INNER PICTURES OF CAB (2)5rt
    S-SD7N-INNER PICTURES OF CAB (3)vjb

    ENGINE

    Type CUMMINS NTA855-C280S10
    Rated revolution (rpm) 2100
    Flywheel power (KW/HP) 169/230
    Max. torque (N•m/rpm) 1097/1500
    Rated fuel consumption(g/KW•h) ≤235

    UNDERCARRIAGE SYSTEM

    Type

    The track is triangle shape.The sprocket is elevated elastic suspended. 

    Number of track rollers (each side)

    7

    Pitch (mm)  

    216

    Width of shoe (mm)

    560

    GEAR

    Gear 1st 2nd 3rd
    Forward  (Km/h) 0-3.9 0-6.5 0-10.9
    Backward (Km/h) 0-4.8 0-8.2 0-13.2

    IMPLEMENT HYDRAULIC SYSTEM

    Max. system pressure (MPa)

    18.6

    Pump type

    High pressure gears pump

    System output(L/min)

    194

    DRIVING SYSTEM

    Torque converter
    Torque converter is power separating hydraulic-mechanic type

    Transmission
    Planetary, power shift transmission with three speeds forward and three speeds reverse, speed and direction can be quickly shifted.

    Steering clutch
    The steering clutch is hydraulic pressed, usually separated clutch.

    Braking clutch
    The braking clutch is pressed by spring, separated hydraulic, meshed type.

    Final drive
    The final drive is two-stage planetary reduction gear mechanism, splash lubrication.

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