520HP New Type Big Crawler Bulldozer SD52-5

Product Details
Customization: Available
Warranty: 1 Year
Type: Universal Type
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  • 520HP New Type Big Crawler Bulldozer SD52-5
  • 520HP New Type Big Crawler Bulldozer SD52-5
  • 520HP New Type Big Crawler Bulldozer SD52-5
  • 520HP New Type Big Crawler Bulldozer SD52-5
  • 520HP New Type Big Crawler Bulldozer SD52-5
  • 520HP New Type Big Crawler Bulldozer SD52-5
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Basic Info.

Model NO.
SD52-5
Transmission
Power Transmission
Walking Mode
Crawler
Load and Unload Method
Front Discharge
Engine Power
<74kw
Certification
CE, ISO9001: 2000
Condition
New
Color
Yellow
Transport Package
Nude
Specification
4252*2680*2760mm
Trademark
chinese brand
Origin
China
HS Code
8429119000

Product Description

520HP  New Type Big Crawler Bulldozer SD52-5


The double pump confluence system with unloading function can automatically or manually switch over the individual pump based on the working condition and unload the high pressure by auxiliary pump, featuring high intelligence and energy-saving.
The Factory's independently developed load-sensing system features smooth digging and loading combination motions, low motion changeover impact, and high efficiency and energy-saving.
During the digging and loading combination operations, the engine power to the drive system can be easily cut off so that all power is supplied to the hydraulic system to improve the digging and loading efficiency.
The machine automatically switches to two-wheel drive mode while traveling in gear IV to eliminate the parasitic power loss.
 
  •  

     company name : Tewrex
  • Suzhou subsidiary Address: Room 602, Building 2, Tiandu Building, No.211 Changjiang Road, High-tech Zone, Suzhou City
  •   
PRODUCT
SD52-5
(STANDARD)
PERFORMANCE PARAMETERS
Operatiing Weight (kg)
70630
Rated horsepower (kw/hp)
450/604(1800)
Minimum turning radius (mm)
3864/6786
Ground pressure (kpa)
151
ENGINE
Model
QSK19
Emission
EU A/CHINA
No.of cylinders×Bore×stroke (mm×mm)
6×159mm×159mm
Piston displacement (L)
19
Horsepower/rpm (kw/rpm)
450/1800
Maximum torque (N.m/r/min)
3019/1300
DIMENSIONS
Length (mm)
10390
Width (mm)
4690
Height (mm)
4370
TRAVELING PERFORMANCE
Forward/Reverse (km/h)
0~11.8/0~15.8
Gradeability (deg)
30
Clearance (mm)
610
TRANSMISSION
Torque convertor
Consists of a water-cooled,
3-element, 1-stage, 1-phase, torque converter with lockup clutch
and a planetary gear, multiple-disc clutch transmission which is
hydraulically actuated and force-lubricated for optimum heat
dissipation
Gear box
Planetary gear, multi-disc clutch, power shift, forced lubrication
Main drive
Spiral bevel gear, splash lubrication, single-stage speed reduction
Clutch
Wet, multi-disc, spring loaded, hydraulically separated, hydraulic control
Brake
Wet,multi-disc,spring loaded,hydraulically separated
Final driver
Primary spur gear plus primary planetary gear reducer
Steering pump
2 Gear pump,pump1 flow 112mL/r,pump2 flow 160mL/r
UNDERCARRIAGE
Suspension
Oscillating equalizer bar and pivot shaft
Track gauge (mm)
2500
Shoe width (mm)
610(710/810 optional)
Track length on ground (mm)
3840
Number of shoes (each side)
40
Pitch (mm)
280
Carrier rollers (each side)
2
Track rollers (each side)
7
WORKING HYDRAULIC SYSTEM
Working pump
Gear pump
Scavenging pump
Gear pump
Pump of cooling system
variable displacement piston pump, standard flow 140mL/r
Valve
Multi-way valve
Bore of blade lift cylinder (mm)
φ150
Bore of blade tilt cylinder (mm)
φ225
Bore of ripper lift cylinder (mm)
φ225
Bore of ripper tilt cylinder (mm)
φ200
TANK CAPACITY
Fuel tank capacity (L)
1140
Working hydraulic tank capacity (L)
246
Traveling hydraulic tank capacity (L)
275
 
520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5


520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5



520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5520HP New Type Big Crawler Bulldozer SD52-5
 

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