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Key Specs
Performance and availability describe the Cat® 558 Forest Machine. Purpose built, it features extreme-duty component frames that can handle the machine's powerful engine and hydraulics systems ensuring productivity, durability and lower operating costs. Options are available to fit the 538 to your specific forestry tasks.
Increased swing torque allows operator to shovel log or load / unload trucks more efficiently, increasing overall machine production.
Extended component life through new cooling package that has coarser fin spacing for improved debris flow through and serviceability.
Power and hydraulics optimized for peak productivity and delivering maximum fuel efficiency.
| Engine Model | Cat C7.1 Cat C7.1 |
| Net Flywheel Power | 239 HP 178 kW |
| Gross Power | 239 HP 178 kW |
| Displacement | 428 in³ 7.01 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 6 |
| Estimated Operating Weight without Attachment: General Forestry (Reach) | 85239 lb 38664 kg |
| Cooling System | 7.9 gal (US) 30 l |
| Swing Drive | 2.9 gal (US) 11 l |
| Hydraulic Tank | 46.2 gal (US) 175 l |
| Final Drive - Each | 2.9 gal (US) 11 l |
| Hydraulic System - Total | 81.9 gal (US) 310 l |
| Fuel Tank - CWT | 261.4 gal (US) 989.3 l |
| Engine Crankcase | 6.3 gal (US) 24 l |
| DEF Tank | 12.2 gal (US) 46 l |
| Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio | 1.28:1 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 |
| Main Pumps - Maximum Flow - Per Pump | 63.4 gal/min 240 l/min |
| Auxiliary Pump - Reach with Rotate: Maximum Pressure | 1499 psi 10335 kPa |
| Maximum System Pressure - Swing | 4641 psi 32000 kPa |
| Maximum System Pressure - Implements | 5076 psi 35000 kPa |
| Maximum Speed - Turtle | 1.5 mile/h 2.4 km/h |
| Maximum Swing Speed (GF) | 7.5 r/min 7.5 r/min |
| 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 |
| Ground Clearance | 29.5 in 749 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 |
| Track Length | 199.7 in 5072 mm |
| 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 |
| Distance Between Idler and Sprocket Centerline | 158.2 in 4019 mm |
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