558 Forest Machine
SPECS SUMMARY
| Engine Model | Cat C7.1 |
| Net Flywheel Power | 239 HP (178 kW) |
| Gross Power | 239 HP (178 kW) |
| Displacement | 428 in³ (7.01 l) |
Specifications
| Engine Model | Cat C7.1 |
| Net Flywheel Power | 239 HP (178 kW) |
| Gross Power | 239 HP (178 kW) |
| Displacement | 428 in³ (7.01 l) |
| Cooling System | 7.9 gal (US) (30 l) |
| Swing Drive | 2.9 gal (US) (11 l) |
| Hydraulic Tank | 46.2 gal (US) (175 l) |
| Ground Clearance | 29.5 in (749 mm) |
| Swing Torque (GF) | 74494 ft·lbf (101 kN·m) |
| Maximum Speed - Rabbit | 2.3 mile/h (3.7 km/h) |
| Maximum Drawbar Pull | 72164 lbf (321 kN) |
| Undercarriage Pitch | 8.5 in (215.9 mm) |
| Track Length | 199.7 in (5072 mm) |
| Track Gauge | 115 in (2921 mm) |
| Track Length | 199.7 in (5072 mm) |
| Ground Clearance | 29.5 in (749 mm) |
| Width - With 700 mm (28 in) Shoes | 142.6 in (3621 mm) |
| Overall Length (Reach) | 499.2 in (12680 mm) |
| Maximum Speed - Turtle | 1.5 mile/h (2.4 km/h) |
| Track Gauge | 115 in (2921 mm) |
| Tail Swing Radius | 143.8 in (3653 mm) |
| Boom Height | 146.5 in (3720 mm) |
| Height of Tilted Side Entry Cab | 137.7 in (3498 mm) |
| Overall Height | 164.5 in (4178 mm) |
| Maximum Swing Speed (GF) | 7.5 r/min (7.5 r/min) |
| Main Pumps - Maximum Flow - Per Pump | 63.4 gal/min (240 l/min) |
| Maximum System Pressure - Implements | 5076 psi (35000 kPa) |
| Fuel Tank - CWT | 261.4 gal (US) (989.3 l) |
| Engine Speed - Operation | 1750 r/min (1750 r/min) |
| Engine Speed - Travel | 1800 r/min (1800 r/min) |
| Gross Power at 2,200 rpm | 239 HP (178 kW) |
| Number of Cylinders | 6 |
| Estimated Operating Weight without Attachment: General Forestry (Reach) | 85239 lb (38664 kg) |
| Final Drive - Each | 2.9 gal (US) (11 l) |
| Hydraulic System - Total | 81.9 gal (US) (310 l) |
| Engine Crankcase | 6.3 gal (US) (24 l) |
| Maximum System Pressure - Swing | 4641 psi (32000 kPa) |
| DEF Tank | 12.2 gal (US) (46 l) |
| Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio | 1.28:1 |
| Auxiliary Pump - Reach with Rotate: Maximum Flow | 37.2 gal/min (141 l/min) |
| Main Pumps - Maximum Flow - Both Pumps | 126.8 gal/min (480 l/min) |
| Maximum System Pressure - Heavy Lift Mode | 5511 psi (38000 kPa) |
| Maximum System Pressure - Travel | 5076 psi (35000 kPa) |
| Auxiliary Pump - Reach with Rotate: Maximum Pressure | 1499 psi (10335 kPa) |
| Distance Between Idler and Sprocket Centerline | 158.2 in (4019 mm) |
Benefits and Features
- 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 17 percent on General Forestry 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
- 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 pump allows 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
- Boom arrangements and hydraulic systems for specific applications enable more effective road building, loading, processing, shoveling, or millyard stacking
- New track option meets shovel logging 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 capacity increased 33 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 (349 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
- 0.71 m³(25 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 safe access through 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 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