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Caterpillar D4E Bulldozer Overview
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The Caterpillar D4E is a compact and powerful crawler tractor well-suited for a variety of earthmoving tasks including grading, pushing, and site preparation. Combining durability with advanced technology, the D4E offers strong performance while maintaining operational efficiency.
Engine and Powertrain
The D4E is equipped with a robust Cat C4.4 diesel engine producing approximately 75 horsepower, designed for reliability and fuel efficiency. This engine complies with modern emissions standards, incorporating aftertreatment systems such as diesel particulate filters and selective catalytic reduction to reduce emissions.
The powertrain includes a hydrostatic transmission enabling infinite speed adjustment and smooth operation in diverse conditions. Operators benefit from selectable bi-directional shift controls that allow for programmable and easy maneuvering, enhancing productivity on the job site.
Dimensions and Weight
  • Operating Weight: Approximately 8,820 kilograms (19,440 pounds), providing a strong ground contact footprint
  • Track Gauge: 1,524 millimeters (60 inches), ensuring stability and effective traction
  • Blade Capacity: 2 cubic meters, suitable for versatile earthmoving and grading requirements
  • Length with Blade: Around 12 feet 8 inches
  • Width over Tracks: Approximately 6.5 feet
  • Height to Top-of-Cab: Nearly 9 feet, designed to meet operator comfort and visibility needs
Blade and Hydraulics
The D4E features advanced VPAT (Variable Pitch, Angle, and Tilt) blades that allow operators to customize blade angles and pitch for different materials and tasks, improving efficiency and finish quality. Blade shake functionality assists in material handling by reducing bulldozing resistance.
Hydraulic systems incorporate load-sensing technology for optimal power delivery, reducing fuel consumption and ensuring smooth implement operation. Hydraulic track adjusters help maintain proper track tension during prolonged use, extending undercarriage life.
Operator Comfort and Technology
The cab provides ROPS (Roll Over Protective Structure) protection with optional air conditioning and ergonomic controls, minimizing operator fatigue. The presence of a high-definition rearview camera enhances safety and situational awareness.
Technological features include:
  • Grade control system integration ready for 3D grading and slope assist
  • Product Link™ telematics for remote machine monitoring and maintenance tracking
  • Remote diagnostics and software updates via link connectivity improving uptime
Application and Use Cases
The D4E is popular in construction, landscaping, and agricultural sectors, especially where limited space or sensitive environments require maneuverable yet powerful equipment. Its advanced control systems afford precise grading capabilities useful in road construction and site development projects.
Maintenance and Longevity
Designed for ease of service, the D4E has accessible maintenance points and long-life filters, reducing downtime. Regular inspection of the hydraulic system, undercarriage, and blade components ensures reliability. Using genuine Cat parts and adhering to manufacturer maintenance schedules extend the machine’s operational lifespan.
Glossary
  • VPAT Blade: A blade that can adjust pitch, angle, and tilt for versatile earthmoving.
  • Load-Sensing Hydraulics: Hydraulic system that optimizes fluid flow and pressure according to demand.
  • Hydrostatic Transmission: Transmission providing variable speed control by varying hydraulic fluid flow.
  • ROPS: Safety feature protecting the operator in case of rollovers.
  • Telematics: Remote monitoring technology integrated for machine maintenance and performance data.

The Caterpillar D4E balances compact size, power, and technological sophistication, making it a preferred choice for operators needing efficient and precise dozing capability in diverse terrain and conditions. Its blend of engine performance, hydraulic control, and operator support systems sets a high standard in mid-sized crawler tractors.
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