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Introducing the Komatsu PC55MR-5 Small Excavator – a dynamic and compact powerhouse designed to tackle a wide range of construction and excavation tasks with precision and efficiency. Engineered with the signature Komatsu quality and innovation, this excavator stands out in its class, delivering exceptional performance, operator comfort, and versatility.

Key Features:

  1. Compact Design with Reduced Tail Swing:
    • The PC55MR-5 boasts a compact design that excels in confined spaces, making it an ideal choice for urban construction, landscaping, and utility projects. The reduced tail swing enhances maneuverability, allowing operators to navigate tight job sites with ease.
  2. Highly Efficient and Fuel-Economical Engine:
    • Equipped with a powerful and fuel-efficient Komatsu engine, the PC55MR-5 ensures optimal performance while keeping operational costs in check. This excavator is designed to deliver the power you need for demanding tasks while maintaining environmental responsibility.
  3. Responsive Hydraulic System:
    • The advanced hydraulic system of the PC55MR-5 provides operators with precise control for digging, lifting, and loading operations. This responsiveness enhances productivity, allowing for smooth and efficient task execution.
  4. Operator-Centric Cabin for Comfort:
    • The spacious and ergonomic operator cabin is designed with the operator’s comfort in mind. Featuring adjustable seating, intuitive controls, and excellent visibility, the PC55MR-5 ensures a fatigue-free and productive work environment during extended operating hours.
  5. Durable Construction for Longevity:
    • Komatsu’s commitment to durability is evident in the PC55MR-5’s construction. Built with high-quality materials and advanced engineering, this excavator is crafted to withstand the demands of rigorous job sites, ensuring longevity and reliability.
  6. Versatility with Attachment Options:
    • Adapt the PC55MR-5 to various tasks with a range of versatile attachments. From buckets to hydraulic thumbs, this excavator offers flexibility to meet the specific needs of your job site, enhancing its overall versatility.
  7. Efficient Maintenance Design:
    • Streamlined maintenance procedures and easily accessible service points contribute to the overall efficiency of the PC55MR-5. Quick and hassle-free maintenance ensures minimal downtime, allowing the excavator to stay operational and productive.

Invest in the Komatsu PC55MR-5 Small Excavator for a compact and powerful solution that brings together performance, durability, and versatility. Whether you’re a contractor, landscaper, or involved in utility projects, this excavator is engineered to meet the challenges of your diverse job requirements.

Product Specifications for PC55MR-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:
    • 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: 3.35 x 28.9 x 2.17 in
    • Bucket / 1: 2.95 x 22.8 x 1.97 in
    • Boom swing / 1: 3.74 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.
  • Max digging force: 8,768 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):

  • Operating weight including 9 ft. 6 in one-piece boom, 5 ft. 5 in arm, SAE heaped 0.21 yd3 bucket, blade, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment.
  • Shoes: 16 in
  • ROPS Canopy, Rubber Shoe:
    • Operating Weight: 11,354 lbs.
    • Ground Pressure: 4.12 psi
  • ROPS Cab, Rubber Shoe:
    • Operating Weight: 11,618 lbs.
    • Ground Pressure: 4.27 psi

Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/excavators/small-excavators/pc55mr-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.