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Get more forestry performance from the Cat® 548 Forest Machine. Purpose built for high production work, the 548 optimizes engine, hydraulics, technology and controls delivering peak efficiency and productivity. Enhanced hydraulics, specialized versions and work tools mean you can equip this machine for your specific forestry tasks.


Engine Model Cat C7.1 Cat C7.1 Less
Gross Power 204.0 HP 152.0 kW Less
Gross Power - 1,800 rpm 204.0 HP 152.0 kW Less
Engine Speed - Operation 1600.0 r/min 1600.0 r/min Less
Engine Speed - Travel 1800.0 r/min 1800.0 r/min Less
Displacement 428.0 in³ 7.01 l Less
Number of Cylinders 6 6 Less

Service Refill Capacities

Fuel Tank - CWT 261.4 gal (US) 989.3 l Less
DEF Tank 12.2 gal (US) 46.0 l Less
Engine Crankcase 6.3 gal (US) 24.0 l Less
Cooling System 7.9 gal (US) 30.0 l Less
Final Drive - Each 2.9 gal (US) 11.0 l Less
Hydraulic Tank 46.2 gal (US) 175.0 l Less
Hydraulic System - Total 75.3 gal (US) 285.0 l Less
Swing Drive 2.4 gal (US) 9.0 l Less

Hydraulic System

Main Pumps - Maximum Flow - Per Pump 59.7 gal/min 226.0 l/min Less
Main Pumps - Maximum Flow - Both Pumps 119.4 gal/min 452.0 l/min Less
Maximum System Pressure - Implements 5076.0 psi 35000.0 kPa Less
Maximum System Pressure - Travel 5076.0 psi 35000.0 kPa Less
Maximum System Pressure - Swing 4424.0 psi 30500.0 kPa Less
Maximum System Pressure - Heavy Lift Mode 5511.0 psi 38000.0 kPa Less
Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio 1.28:1 1.28:1 Less
Auxiliary Pump - Reach with Rotate: Maximum Flow 34.1 gal/min 129.0 l/min Less
Auxiliary Pump - Reach with Rotate: Maximum Pressure 1499.0 psi 10335.0 kPa Less

Operating Specifications

Maximum Speed - Turtle 1.6 mile/h 2.6 km/h Less
Maximum Speed - Rabbit 3.0 mile/h 4.8 km/h Less
Maximum Drawbar Pull 70320.0 lbf 313.0 kN Less
Swing Torque (GF) 64441.0 ft·lbf 87.4 kN·m Less
Maximum Swing Speed (GF) 9.3 r/min 9.3 r/min Less


Undercarriage Pitch 8.5 in 215.9 mm Less
Track Gauge 110.6 in 2809.0 mm Less
Track Length 198.2 in 5035.0 mm Less
Ground Clearance 30.5 in 774.0 mm Less


Estimated Operating Weight without Attachment - General Forestry, Processor 77942.0 lb 35354.0 kg Less

Dimensions - General Forestry - Processor - Boom Stretched Out

Height of Tilted Side Entry Cab 137.0 in 3479.0 mm Less
Boom Height 147.4 in 3745.0 mm Less
Overall Height 164.0 in 4166.0 mm Less
Overall Length (Reach) 495.7 in 12592.0 mm Less
Tail Swing Radius 137.8 in 3501.0 mm Less
Distance Between Idler and Sprocket Centerline 158.2 in 4019.0 mm Less
Track Length 198.2 in 5035.0 mm Less
Ground Clearance 30.5 in 774.0 mm Less
Track Gauge 110.6 in 2809.0 mm Less
Width - With 700 mm (28 in) Shoes 138.1 in 3509.0 mm Less


  • 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 configuration 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


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


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


  • 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


  • 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


  • 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