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548 LL Forest Machine

This log loading specialist keeps your trucks and millyard efficient. Purpose built for loading, the Cat® 548 LL optimizes engine, hydraulics, technology and controls delivering peak productivity. Enhanced hydraulics offer increased lift capacity and a wider undercarriage ensures stability for full-speed operation.

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SPECIFICATION SUMMARY
  • Engine Model Cat C7.1
  • Gross Power 204 HP
  • Engine Speed - Operation 1600 r/min
  • Engine Speed - Travel 1800 r/min

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Engine Model
    Cat C7.1
  • Gross Power
    204 HP
  • Engine Speed - Operation
    1600 r/min
  • Engine Speed - Travel
    1800 r/min
  • Displacement
    428 r/min
  • Number of Cylinders
    6
  • Gross Power - 1,800 rpm
    204 HP

Weights

  • Estimated Operating Weight without Attachment - Log Loader (U/U)
    84113 lb

Service Refill Capacities

  • Fuel Tank - CWT
    261.4 gal (US)
  • DEF Tank
    12.2 gal (US)
  • Engine Crankcase
    6.3 gal (US)
  • Cooling System
    7.9 gal (US)
  • Final Drive - Each
    2.9 gal (US)
  • Hydraulic Tank
    46.2 gal (US)
  • Hydraulic System - Total
    75.3 gal (US)
  • Swing Drive
    2.4 gal (US)

Hydraulic System

  • Main Pumps - Maximum Flow - Per Pump
    59.7 gal/min
  • Main Pumps - Maximum Flow - Both Pumps
    119.4 gal/min
  • Maximum System Pressure - Implements
    5076 psi
  • Maximum System Pressure - Travel
    5076 psi
  • Maximum System Pressure - Swing
    4931 psi
  • Maximum System Pressure - Heavy Lift Mode
    5511 psi
  • Auxiliary Pump - U/U and O/U - Maximum Flow
    12.8 gal/min
  • Auxiliary Pump - U/U and O/U - Maximum Pressure
    1499 psi
  • Auxiliary Pump - Bnt/Power Clam: Pump Drive Gear Ratio
    1.28:1
  • Auxiliary Pump - Bnt/Power Clam: Maximum Flow
    34.1 gal/min
  • Auxiliary Pump - Bnt/Power Clam: Maximum Pressure
    1499 psi

Operating Specifications

  • Maximum Speed - Turtle
    1.6 mile/h
  • Maximum Speed - Rabbit
    3 mile/h
  • Maximum Drawbar Pull
    70320 lbf
  • Swing Torque
    73677 ft·lbf
  • Maximum Swing Speed
    9.3 r/min

Undercarriage

  • Undercarriage Pitch
    8.5 in
  • Track Gauge
    110.6 in
  • Track Length
    198.2 in
  • Ground Clearance
    30.5 in

Dimensions - Log Loader - Under/Under - Boom Stretched Out

  • Width - With 700 mm (28 in) Shoes
    138.1 in

MOVE MORE WITH LESS FUEL

  • Engine, hydraulics, and work tool integration are optimized to minimize power losses and increase overall machine efficiency
  • Steady state high idle speed and U.S. EPA Tier 4 Final technology reduce fuel consumption
  • Larger hydraulic pumps allow engine to operate at lower rpms with increased performance to maximize efficiency
  • Component layout and back-to-back main hydraulic control valve reduce oil flow restrictions and aid in greater fuel economy
  • Machine designed for integration and optimization with Cat grapples
  • Powerful, multi-functioning hydraulics, combined with strong machine performance ensure work tools function quickly and smoothly to complete work faster
  • An increase in swing torque of 18 percent provides added power to move trees, which enables more efficiency and productivity
  • Heavy lift mode features increased lift capacity to handle larger payloads with improved control

MAXIMIZE PERFORMANCE

  • Cat C7.1 engine with increased horsepower maintains maximum performance under load
  • Strong hydraulic horsepower for efficient implement performance and greater productivity
  • An increase in swing torque of 19 percent on General Forestry models and 18 percent on Log Loader models, provides added power to move trees, which enables more efficiency and productivity
  • Heavy lift mode features increased lift capacity to handle larger payloads with improved control
  • 989 L (261 gal) counterweight fuel tank for extended machine operation and maximum uptime
  • Machine width and track length designed for stability in varied logging applications

OPTIONS TO MEET YOUR NEEDS

  • Boom arrangements and hydraulic systems for specific applications enable more effective road building, loading, processing, shoveling, or millyard stacking
  • New track options meet shovel logging and low ground pressure application requirements
  • Ground saw hydraulics are available for log loader applications
  • Two premium rear entry cab choices, available on the Log Loader, include a 1219 mm (48 in) or a 1829 mm (72 in) cab forward riser

HEAVY DUTY CONSTRUCTION

  • Variable pitch, reversing cooling fan maintains optimum fluid temperature in heavy duty forestry applications
  • Cooling capability increased 12 percent for trouble-free operation
  • Purpose built upper frame, high-wide carbody, robust linkage configurations, and heavy-duty enclosures are reinforced with thick doubler plates, extra gussets, and other reinforcements for structural integrity in severe applications
  • Large, 216 mm (8.5 in) pitch (336 HEX), grease lubricated tracks, provide excellent life in variable forestry working conditions
  • Validated and proven excavator technologies ensure overall machine reliability

SAVE ON SERVICE AND MAINTENANCE

  • One-piece engine hood design, with two opening angles, allows easy access to engine and cooling compartments
  • Side-by-side engine and hydraulic coolers are easy to access for cleaning, while reduced cooling fins per inch allows better debris flow-through and reduced clogging potential
  • 0.56 m³(19.8 ft³) of storage space at ground level, provides ready access to tools, equipment, and supplies that operators use daily

BETTER COMFORT AND CONTROL

  • Premium fit and finishes to maximize operator experience
  • Fully adjustable, air ride cab seat that includes heating and cooling capability for comfort and reduced operator fatigue
  • LED lights increase visibility
  • Rear entry cab option provides improved access on a fully lit platform through the use of a key FOB
  • Rear entry cab window design improves visibility for shovel logging and other applications
  • Rear entry cab includes a new innovative cab lock down system that minimizes transport time and improves uptime
  • Tool control software as standard equipment for swapping and selecting tools quickly and efficiently
  • Cat Product Link™ allows for remote location of a machine and enables tracking of fuel consumption and other events
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