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Introducing the Komatsu PC45MR-5 Small Excavator, a versatile and compact powerhouse designed to excel in various applications, from construction and landscaping to utility and residential projects. Engineered with precision and efficiency in mind, this excavator combines performance, durability, and operator comfort to meet the demands of diverse job sites.

Key Features:

  1. Compact Design for Maneuverability:
    • The PC45MR-5 features a compact design, allowing it to navigate effortlessly in confined spaces. Its reduced tail swing enhances maneuverability, making it ideal for urban construction sites, landscaping projects, and other tight environments.
  2. Powerful and Fuel-Efficient Engine:
    • Equipped with a reliable Komatsu engine, the PC45MR-5 delivers a potent combination of power and fuel efficiency. This ensures optimal performance while minimizing operational costs, making it a cost-effective solution for various applications.
  3. Responsive Hydraulic System:
    • The hydraulic system is designed for precision and responsiveness, providing operators with smooth control for efficient digging and lifting operations. This enhances productivity while reducing operator fatigue.
  4. Comfortable Operator Cabin:
    • Prioritizing operator comfort, the spacious and ergonomic cabin of the PC45MR-5 ensures a pleasant working environment. Adjustable seating, intuitive controls, and excellent visibility contribute to a fatigue-free and productive workday.
  5. Durable Construction for Longevity:
    • Komatsu’s commitment to quality is evident in the PC45MR-5’s robust construction. Built with durable materials and advanced engineering, this excavator is designed to withstand the rigors of daily use, ensuring longevity and reliability.
  6. Versatile Attachment Options:
    • Customize the PC45MR-5 to suit your specific job requirements with a range of versatile attachments. From buckets to hydraulic hammers, the excavator adapts easily to various tasks, enhancing its versatility on the job site.
  7. Efficient Maintenance Design:
    • Streamlined maintenance procedures and easily accessible service points contribute to the overall efficiency of the PC45MR-5. Quick and hassle-free maintenance ensures minimal downtime, keeping the excavator in peak operating condition.

Invest in the Komatsu PC45MR-5 Small Excavator for a compact yet powerful solution that meets the demands of your job site. Whether you’re a contractor, landscaper, or involved in utility projects, this excavator delivers the performance and reliability you need for success.

Product Specifications for PC45MR-5:

Engine:

  • Model: Komatsu 4D88E-7
  • Type: Water-cooled, 4-cycle, direct injection, cooled EGR
  • Aspiration: Naturally aspirated
  • Number of cylinders: 4
  • Bore: 3.46 in
  • Stroke: 3.54 in
  • Piston displacement: 134 in³
  • Horsepower:
    • SAE J1995 – Gross: 39 HP
    • ISO 9249 / SAE J1349 – Net: 38 HP
  • Rated rpm: 2,400
  • Fan drive method for radiator cooling: Mechanical
  • Governor: All-speed control, electronic
  • EPA Tier 4 Final emissions certified

Hydraulics:

  • Type: HydrauMind (Hydraulic Mechanical Intelligence New Design) system
  • Number of selectable working modes: 2
  • Main pumps:
    • Pumps for Boom, Arm, Bucket, and Travel Circuits
      • Type: Variable displacement, axial piston
      • Maximum flow: 40.1 gpm
    • Pumps for Swing and Blade
      • Type: Fixed displacement gear
      • Maximum flow: 16.6 gpm
  • Hydraulic motors:
    • Travel: 2 x axial piston motor with parking brake
    • Swing: 1 x axial piston motor with swing holding brake
  • Relief valve setting:
    • Implement circuits: 3,844 psi
    • Travel circuit: 3,844 psi
    • Swing circuit: 3,133 psi
    • Pilot circuit: 455 psi
    • Blade circuit (Raise, Lower): 3,133 psi
  • Hydraulic cylinders:
    • Boom / 1: 3.54 x 27.2 x 1.97 in
    • Arm/ 1: 3.14 x 25.6 x 1.97 in
    • Bucket / 1: 2.76 x 22.8 x 1.77 in
    • Boom swing / 1: 3.54 x 24.8 x 1.97 in
    • Blade / 1: 4.33 x 5.5 x 1.97 in

Drives and Brakes:

  • Steering control: Two levers with pedals
  • Drive method: Hydrostatic
  • Maximum drawbar pull: 9,436 lbf.
  • Gradeability: 30°
  • Maximum travel speed (Auto-shift):
    • High: 2.9 mph
    • Low: 1.6 mph
  • Service brake: Hydraulic lock
  • Parking brake: Mechanical disc

Swing System:

  • Drive method: Hydrostatic
  • Swing reduction: Planetary gear
  • Swing circle lubrication: Grease-bathed
  • Swing brake: Hydraulic lock
  • Swing lock: Mechanical disc brake
  • Swing speed: 9 rpm

Undercarriage:

  • Center frame: X-frame
  • Track frame: Box-section
  • Track type: Sealed
  • Track adjuster: Hydraulic
  • Number of shoes (each side): 39
  • Number of carrier rollers (each side): 1
  • Number of track rollers (each side): 4

Coolant & Lubricant Capacity (Refilling):

  • Fuel tank: 17.2 US gal
  • Coolant: 2.4 US gal
  • Engine: 2.2 (2.0) US gal
  • Final drive (each side): 0.2 US gal
  • Hydraulic tank: 14.5 (5.3) US gal

Operating Weight (Approximate):

  • Shoes: 16 in
  • ROPS Canopy, Rubber Shoe:
    • Operating Weight: 10,737 lbs.
    • Ground Pressure: 3.98 psi
  • ROPS Cab, Rubber Shoe:
    • Operating Weight: 11,001 lbs.
    • Ground Pressure: 4.12 psi

Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/excavators/small-excavators/pc45mr-5

Do you have one of these or similar for sale? Please click here start to list your machine for sale today. 

DISCLAIMER: The information that has been provided in this article is sourced from https://www.komatsu.com. The author does not assume any responsibility or liability for the accuracy, completeness, or usefulness of the information provided. The author shall not be held liable for any loss or damage resulting from the use of this content. For further information please contact the manufacturer directly.