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Cat Forest Machines 548LL

Cat Forest Machines 548LL

Engine Power/Speed:
1800.0 r/min 1800.0 r/min
Overall Weight:
93004.0 lb 42186.0 kg
Torque:
73677.0 ft·lbf 99.9
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Product Feature

Efficiency


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  • Engine, hydraulics, and work tool integration are optimized to minimize power losses and increase overall machine efficiency

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  • Steady state high idle speed and U.S. EPA Tier 4 Final technology reduce fuel consumption

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  • Larger hydraulic pumps allow engine to operate at lower rpms with increased performance to maximize efficiency

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  • Component layout and back-to-back main hydraulic control valve reduce oil flow restrictions and aid in greater fuel economy

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  • Machine designed for integration and optimization with Cat grapples

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  • Powerful, multi-functioning hydraulics, combined with strong machine performance ensure work tools function quickly and smoothly to complete work faster


 

Performance


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  • Cat 152 kW (204 hp) C7.1 ACERT™ Tier 4 Final engine with increased horsepower maintains maximum performance under load

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  • Strong hydraulic horsepower for efficient implement performance and greater productivity

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  • 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

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  • Heavy lift mode features increased lift capacity to handle larger payloads with improved control

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  • 989 L (261 gal) counterweight fuel tank for extended machine operation and maximum uptime

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  • Machine width and track length designed for stability in varied logging applications


Application Versatility


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  • Boom arrangements and hydraulic systems for specific applications enable more effective road building, loading, processing, shoveling, or millyard stacking

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  • New track options meet shovel logging and low ground pressure application requirements

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  • Ground saw hydraulics are available for log loader applications

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  • 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

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  • Purpose built processor cab option that includes 19 mm (0.75 in) front windows


Reliability and Durability


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  • Variable pitch, reversing cooling fan maintains optimum fluid temperature in heavy duty forestry applications

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  • Cooling capability increased 12 percent for trouble-free operation

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  • 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

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  • Large, 216 mm (8.5 in) pitch (336 HEX), grease lubricated tracks, provide excellent life in variable forestry working conditions

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  • Validated and proven excavator technologies ensure overall machine reliability


Serviceability


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  • One-piece engine hood design, with two opening angles, allows easy access to engine and cooling compartments

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  • 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

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  • 0.56 m3 (19.8 ft3) of storage space at ground level, provides ready access to tools, equipment, and supplies that operators use daily


Operator Comfort and Technology


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  • Premium fit and finishes to maximize operator experience

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  • Fully adjustable, air ride cab seat that includes heating and cooling capability for comfort and reduced operator fatigue

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  • LED lights increase visibility

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  • Rear entry cab option provides improved access on a fully lit platform through the use of a key FOB

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  • Rear entry cab window design improves visibility for shovel logging and other applications

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  • Rear entry cab includes a new innovative cab lock down system that minimizes transport time and improves uptime

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  • Tool control software as standard equipment for swapping and selecting tools quickly and efficiently

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  • Cat Product Link™ allows for remote location of a machine and enables tracking of fuel consumption and other events


Product Parameter

Overview

The 548 LL features ultimate machine efficiency coupled with enhanced performance. Cat® components, purpose built upper and lower frames, and application specific linkage configurations increase machine up time and lower machine operating costs.

Weights

Units:

Estimated Operating Weight without Attachment - Log Loader (U/U)84113.0 lb 38153.0 kgLess
Estimated Operating Weight without Attachment - Log Loader (O/U)93004.0 lb 42186.0 kgLess

Service Refill Capacities

Fuel Tank - CWT261.4 gal (US) 989.3 BLess
DEF Tank12.2 gal (US) 46.0 BLess
Engine Crankcase6.3 gal (US) 24.0 BLess
Cooling System7.9 gal (US) 30.0 BLess
Final Drive - Each2.9 gal (US) 11.0 BLess
Hydraulic Tank46.2 gal (US) 175.0 BLess
Hydraulic System - Total75.3 gal (US) 285.0 BLess
Swing Drive2.4 gal (US) 9.0 BLess

Hydraulic System

Main Pumps - Maximum Flow - Per Pump59.7 gal/min 226.0 l/minLess
Main Pumps - Maximum Flow - Both Pumps119.4 gal/min 452.0 l/minLess
Maximum System Pressure - Implements5076.0 psi 35000.0 kPaLess
Maximum System Pressure - Travel5076.0 psi 35000.0 kPaLess
Maximum System Pressure - Swing4931.0 psi 34000.0 kPaLess
Maximum System Pressure - Heavy Lift Mode5511.0 psi 38000.0 kPaLess
Auxiliary Pump - U/U and O/U - Maximum Flow12.8 gal/min 48.0 l/minLess
Auxiliary Pump - U/U and O/U - Maximum Pressure1499.0 psi 10335.0 kPaLess
Auxiliary Pump - Bnt/Power Clam: Pump Drive Gear Ratio1.28:1 1.28:1Less
Auxiliary Pump - Bnt/Power Clam: Maximum Flow34.1 gal/min 129.0 l/minLess
Auxiliary Pump - Bnt/Power Clam: Maximum Pressure1499.0 psi 10335.0 kPaLess

Operating Specifications

Maximum Speed - Turtle1.6 mile/h 2.6 km/hLess
Maximum Speed - Rabbit3.0 mile/h 4.8 km/hLess
Maximum Drawbar Pull70320.0 313.0 kNLess
Swing Torque73677.0 ft·lbf 99.9 Less
Maximum Swing Speed9.3 r/min 9.3 r/minLess

Undercarriage

Undercarriage Pitch8.5 in 215.9 mmLess
Track Gauge110.6 in 2809.0 mmLess
Track Length198.2 in 5035.0 mmLess
Ground Clearance30.5 in 774.0 mmLess

Engine

Engine ModelCat C7.1 ACERT Cat C7.1 ACERTLess
Net Flywheel Power239.0 HP 178.0 kWLess
Gross Power204.0 HP 152.0 kWLess
Gross Power - 1,800 rpm204.0 HP 152.0 kWLess
Engine Speed - Operation1600.0 r/min 1600.0 r/minLess
Engine Speed - Travel1800.0 r/min 1800.0 r/minLess
Displacement428.0 r/min 7.01 lLess
Number of Cylinders6 6Less
Gross Power at 2,200 rpm239.0 HP 178.0 kWLess

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

Height of Tilted Side Entry Cab137.0 in 3479.0 mmLess
Boom Height112.8 in 2864.0 mmLess
Overall Height194.0 in 4928.0 mmLess
Overall Length (U/U)596.2 in 15143.0 mmLess
Tail Swing Radius137.8 in 3501.0 mmLess
Distance Between Idler and Sprocket Centerline158.2 in 4019.0 mmLess
Track Length198.2 in 5035.0 mmLess
Ground Clearance30.5 in 774.0 mmLess
Track Gauge110.6 in 2809.0 mmLess
Width - With 700 mm (28 in) Shoes138.1 in 3509.0 mmLess

Dimensions - Log Loader - Boom Stretched Out

Boom Height115.0 in 2921.0 mmLess
Distance Between Idler and Sprocket Centerline158.2 in 4019.0 mmLess
Height of Tilted Side Entry Cab137.7 in 3498.0 mmLess
Overall Height194.2 in 4932.0 mmLess
Overall Length (U/U)628.6 in 15967.0 mmLess
Tail Swing Radius143.8 in 3653.0 mmLess
Width - With 700 mm (28 in) Shoes142.6 in


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