Dozer D71PXi Cartersville GA Qube 201104 3K1A2087 7

Tackle material handling tasks with precision and power using the PC1250LC-11 MH excavator. Engineered for high lift and robust performance, this machine is designed to excel in material handling jobs. Its elevated cab, featuring a tiltable structure for easy service access, provides an incredible operating range.

  • Enhanced Lift Capacity and Stability: The PC1250LC-11 MH offers improved over-the-side lift capacity and stability, ensuring efficient material handling even in challenging conditions.
  • Optimized Visibility: Cab riser packages contribute to better visibility, allowing operators to navigate through material handling operations with ease and accuracy.
  • Versatile Configurations: Choose from longer booms and arms options to tailor the machine to the specific requirements of your material handling applications, ensuring versatility and adaptability.
  • Smooth Hydraulics for Efficiency: Experience decreased unloading cycle times thanks to the excavator’s smooth hydraulics, contributing to enhanced overall efficiency in material handling operations.

Product Features and benefits:

Reinforced Design:

  • The excavator features a reinforced box section design utilizing high-strength alloy steel to achieve maximum strength and durability.
  • This design approach aims to minimize overall weight while ensuring robustness, contributing to enhanced performance and longevity.

Optimized Hydraulic System:

  • The boom and arm cylinders are equipped with hydraulic cushioning and spherical ball bushings, eliminating side stress.
  • The hydraulic system is optimized to fine-tune control functions, resulting in a smooth machine response. This contributes to precise and efficient operation.

Safety-Centric Design:

  • A high cab riser package is incorporated into the design to improve visibility for the operator.
  • Safety features include a front window guard and large slip-resistant platforms with steps and handrails, facilitating easy and secure cab access.

Specifications for PC1250LC-11:

Engine:

  • Model: Komatsu SAA6D170E-7*
  • Type: Water-cooled, 4-cycle, direct injection
  • Aspiration: Turbocharged, aftercooled, cooled, EGR
  • Number of cylinders: 6
  • Bore: 6.69 in
  • Stroke: 6.69 in
  • Piston displacement: 1,413 in³
  • Governor: All-speed, electronic
  • Horsepower:
    • SAE J1995 – Gross: 775 HP
    • ISO 9249 / SAE J1349 – Net: 758 HP
    • Rated rpm: 1,800 rpm
    • Hydraulic fan at maximum speed – Net: 696 HP
    • Governor: All-speed control, electronic
    • Fan drive method for radiator cooling: Hydraulic
    • EPA Tier 4 Final emissions certified

Hydraulics:

  • Type: Open-center load sensing system, 1 selectable working mode
  • Main pump:
    • Type: Variable capacity piston
    • Maximum flow implement and travel: 2 x 130.5 gpm
    • Maximum flow swing: 1 x 158.5 gpm
  • Sub-pump for control circuit: Gear type
  • Fan drive pump: Variable-capacity piston type
  • Hydraulic motors:
    • Travel: 2 x axial piston motors with parking brake
    • Swing: 2 x axial piston motors with swing holding brake
  • Relief valve setting:
    • Implement circuits: 4,550 psi
    • Travel circuit: 4,980 psi
    • Swing circuit: 4,267 psi
    • Pilot circuit: 455 psi
  • Hydraulic cylinders:
    • Boom / 2: 8.9 x 94.1 x 6.3 in
    • Arm / 1: 9.8 x 95.9 x 6.7 in
    • Bucket (Standard / SP) / 2: 6.3 x 71.8 x 4.5 in / 6.3 x 76.8 x 4.5 in

Drives and Brakes:

  • Steering control: Two levers with pedals
  • Drive method: Fully hydrostatic
  • Travel motor: Axial piston motor, in-shoe design
  • Reduction system: Planetary triple reduction
  • Maximum drawbar pull: 154,320 lbf.
  • Gradeability: 70%, 35°
  • Maximum travel speed:
    • High: 2.0 mph
    • Low: 1.5 mph
  • Service brake: Hydraulic lock
  • Parking brake: Oil disc brake

Swing System:

  • Drive method: 2 x hydraulic motors
  • Swing reduction: Planetary gear
  • Swing circle lubrication: Grease-bathed
  • Service brake: Oil disc brake
  • Holding brake/swing lock: Mechanical disc brake
  • Swing speed: 5.8 rpm
  • Swing torque: 299,524 lbs.-ft.

Undercarriage:

  • Center frame: H-leg frame
  • Track frame: Box-section
  • Track type: Sealed
  • Track adjuster: Hydraulic
  • Number of carrier rollers (each side): 3
  • Number of shoes (each side):
    • Standard, SP: 48
    • Long undercarriage: 55
  • Number of track rollers (each side):
    • Standard, SP: 8
    • Long undercarriage: 10

Coolant and Lubricant Capacity (refilling):

  • Fuel tank: 359.3 US gal
  • Coolant: 37.5 US gal
  • Engine: 22.7 US gal
  • Final drive, each side: 5.5 US gal
  • Swing drive: 2 x 5.3 US gal
  • Hydraulic tank: 177.0 US gal

Sound Performance:

  • Exterior – ISO 6395: 109.9 dB(A)
  • Operator – ISO 6396: 68.5 dB(A)

Operating Weight (Approximate): Backhoe:

  • PC1250LC-11: Operating weight, including 29 ft. 10 in boom, 11 ft. 2 in arm, 6.5 yd³ bucket, operator, lubricant, coolant, full fuel tank, and standard equipment.
  • PC1250LC-11 Gauge:
    • Double-Grouser Shoes:
      • 39.4 in: 269,300 lbs. – 13.45 psi
      • 47.25 in: 272,600 lbs. – 11.35 psi

Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/excavators/large-excavators/pc1250lc-11-mh

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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.