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
Gross Power
204.00 HP
152.00 kW
Engine Speed - Operation
1600.00 r/min
1600.00 r/min
Engine Speed - Travel
1800.00 r/min
1800.00 r/min
428.00 in³
7.01 l
Number of Cylinders

Service Refill Capacities

Fuel Tank - CWT
261.40 gal (US)
989.30 l
DEF Tank
12.20 gal (US)
46.00 l
Engine Crankcase
6.30 gal (US)
24.00 l
Cooling System
7.90 gal (US)
30.00 l
Final Drive - Each
2.90 gal (US)
11.00 l
Hydraulic Tank
46.20 gal (US)
175.00 l
Hydraulic System - Total
75.30 gal (US)
285.00 l
Swing Drive
2.40 gal (US)
9.00 l

Hydraulic System

Main Pumps - Maximum Flow - Per Pump
59.70 gal/min
226.00 l/min
Main Pumps - Maximum Flow - Both Pumps
119.40 gal/min
452.00 l/min
Maximum System Pressure - Implements
5076.00 psi
35000.00 kPa
Maximum System Pressure - Travel
5076.00 psi
35000.00 kPa
Maximum System Pressure - Swing
4424.00 psi
30500.00 kPa
Maximum System Pressure - Heavy Lift Mode
5511.00 psi
38000.00 kPa
Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio
Auxiliary Pump - Reach with Rotate: Maximum Flow
34.10 gal/min
129.00 l/min
Auxiliary Pump - Reach with Rotate: Maximum Pressure
1499.00 psi
10335.00 kPa

Operating Specifications

Maximum Speed - Turtle
1.60 mile/h
2.60 km/h
Maximum Speed - Rabbit
3.00 mile/h
4.80 km/h
Maximum Drawbar Pull
70320.00 lbf
313.00 kN
Swing Torque (GF)
64441.00 ft·lbf
87.40 kN·m
Maximum Swing Speed (GF)
9.30 r/min
9.30 r/min


Undercarriage Pitch
8.50 in
215.90 mm
Track Gauge
110.60 in
2809.00 mm
Track Length
198.20 in
5035.00 mm
Ground Clearance
30.50 in
774.00 mm


Gross Power - 1,800 rpm
204.00 HP
152.00 kW


Estimated Operating Weight without Attachment - General Forestry, Processor
77942.00 lb
35354.00 kg

Dimensions - General Forestry - Processor - Boom Stretched Out

Height of Tilted Side Entry Cab
137.00 in
3479.00 mm
Boom Height
147.40 in
3745.00 mm
Overall Height
164.00 in
4166.00 mm
Overall Length (Reach)
495.70 in
12592.00 mm
Tail Swing Radius
137.80 in
3501.00 mm
Distance Between Idler and Sprocket Centerline
158.20 in
4019.00 mm
Track Length
198.20 in
5035.00 mm
Ground Clearance
30.50 in
774.00 mm
Track Gauge
110.60 in
2809.00 mm
Width - With 700 mm (28 in) Shoes
138.10 in
3509.00 mm


  • 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