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548 Forest Machine

548 Forest Machine

At a Glance

Engine Model
Cat C7.1 ACERT
Gross Power
204 HP
Gross Power - 1,800 rpm
204 HP
Engine Speed - Operation
1600 r/min
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The 548 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.


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Engine Model Cat C7.1 ACERT
Gross Power 204HP
Gross Power - 1,800 rpm 204HP
Engine Speed - Operation 1600r/min
Engine Speed - Travel 1800r/min
Displacement 428in³
Number of Cylinders 6


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Estimated Operating Weight without Attachment - General Forestry, Processor 77942lb

Operating Specifications

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Maximum Speed - Turtle 1.6mile/h
Maximum Speed - Rabbit 3mile/h
Maximum Drawbar Pull 70320
Swing Torque (GF) 64441ft·lbf
Maximum Swing Speed (GF) 9.3r/min

Hydraulic System

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Main Pumps - Maximum Flow - Per Pump 59.7gal/min
Main Pumps - Maximum Flow - Both Pumps 119.4gal/min
Maximum System Pressure - Implements 5076psi
Maximum System Pressure - Travel 5076psi
Maximum System Pressure - Swing 4424psi
Maximum System Pressure - Heavy Lift Mode 5511psi
Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio 1.28:1
Auxiliary Pump - Reach with Rotate: Maximum Flow 34.1gal/min
Auxiliary Pump - Reach with Rotate: Maximum Pressure 1499psi

Service Refill Capacities

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


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

Dimensions - General Forestry - Processor - Boom Stretched Out

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Height of Tilted Side Entry Cab 137in
Boom Height 147.4in
Overall Height 164in
Overall Length (Reach) 495.7in
Tail Swing Radius 137.8in
Distance Between Idler and Sprocket Centerline 158.2in
Track Length 198.2in
Ground Clearance 30.5in
Track Gauge 110.6in
Width - With 700 mm (28 in) Shoes 138.1in