• Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D
  • Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D
  • Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D
  • Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D
  • Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D
  • Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

After-sales Service: Online Support or Field Maintenance
Warranty: One Year Warranty
Type: Special Type
Transmission: Hydraulic - Mechanical Transmission
Walking Mode: Crawler
Load and Unload Method: Front Discharge
Customization:
Diamond Member Since 2010

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  • Overview
  • Product Description
  • Product Parameters
  • Company Profile
Overview

Basic Info.

Model NO.
SEM822D
Engine Power
147~515kw
Certification
CE, ISO9001: 2000
Condition
New
Color
Orange
Engine Model
Wd12g240e206
Rated Power
175 Kw/235 HP
Operating Weight
24000 Kg
Ground Pressure
71.2 Kpa
Max. Slope
30°
Ripper Type
Multi-Shank Ripper
Transport Package
Roro
Specification
7460*3900*3390mm
Trademark
SEM
Origin
Shandong, China
Production Capacity
100units/Month

Product Description

Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

 SEM High Horsepower Bulldozer with Rear Ripper 250hp SEM816D SEM818D SEM822D 
Product Description

Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

Hydrostatic transmission technology

The closed dual-circuit electronically controlled hydrostatic transmission system inherited from the third generation of Cat bulldozers has high working efficiency.
The German Rexroth drive pump, drive motor, and Cat high-pressure oil pipe are selected for high reliability and long service life; Cat control technology, precise control and high transmission efficiency.
In-situ steering, power steering, stepless speed change, save working time and greatly speed up work efficiency.
Eliminates torque converter, gearbox and rear axle box, saving 60% in maintenance costs.
Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

Easy operation

  • Multi-function electronically controlled walking handle for in-situ steering, power steering and cruise control.
  • Cruise control - press the yellow handle for 5 seconds to automate the operation at the set speed, freeing the driver's hands and making the operation easier.
  • Steering in situ - Toggle the walking handle to the left/right to the end to achieve in situ steering in the corresponding direction
  • Power steering - automatic realization, load steering power is more powerful.
  • The electronically controlled engine with high torque reserve factor can switch between three modes of economy/standard and heavy duty in real time under any working conditions through the multi-state switch to meet the requirements of different working conditions.
  • Accelerator pedal selection mode, which can only reduce the vehicle speed while keeping the engine speed unchanged, which is more convenient for the exertion of engine power.
  • The stepless speed change knob of the electronically controlled engine can realize precise control of the engine speed, and the engine can walk at low speed.
  • Steering mode, which can realize fast and slow steering to meet the different requirements of operators.
  • Hydraulic pilot control, easy to operate.
  • Precise control of the job.
  • Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

    Large capacity SU shovel

    Standard Cat family's most popular SU shovel, large capacity.
  • SU shovel combines the advantages of straight shovel and U-shaped shovel, not only has the function of straight shovel leveling, but also is compatible with the characteristics of U-shaped shovel's strong soil collecting ability.
  • Cat technology L-shaped push arm, with high structural strength, the blade is close to the fuselage and the thrust is more stable.
  • The blade adopts a box-type structure, and the blade joint is reinforced design to ensure the strength of the blade.Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

    Finite Element Analysis of Structural Components

  • Use the Cat bulldozer database information to perform FEA (strength, fatigue life) analysis on all structural parts, and conduct OMSA (stress strain test) analysis and check for stress concentration locations to ensure structural strength and service life.
  • Adopt Cat structural parts welding process to eliminate weld stress and further improve structural strength.
Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

Modular Cooling System

  • Equipped with a hydraulic temperature-controlled fan as standard, the fan speed can be adjusted according to environmental needs, with automatic fan reversal function, the reversal time interval can be set by yourself, and a manual reversal function is added, which saves fuel consumption and facilitates radiator cleaning.
  • Modular design, easy to disassemble, easy to maintain, only need to replace the corresponding module louvered front grille after damage, which can be opened in one direction, good heat dissipation effect and easy maintenance.
  • With low temperature start function, it is convenient for the whole machine to start in low temperature environment.
  • Standard 50°C high temperature ambient cooling package.
Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

Maintenance

  • Eliminate transmission components such as torque converter, gearbox and rear axle box, reducing maintenance costs.
  • Cat ECM fault diagnosis system, automatic diagnosis of the whole vehicle electrical system fault.
  • The hydrostatic oil replacement cycle is 2000 hours, reducing the cost of use.
  • Three-level alarm system, automatic fault diagnosis.
  • External working valve for easy inspection and maintenance.

 

Product Parameters

Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

Company Profile

Cat OEM Sem High Horsepower Bulldozer with Rear Ripper 250HP Sem816D Sem818d Sem822D

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