Caterpillar FM558 GF/FM558 LL Forest Machine Specs

Category: Forest Machines ➔
Manufacturer: Caterpillar ➔
Model: FM558 GF/FM558 LL ➔

Dimensions

Caterpillar FM558 GF/FM558 LL Forest Machine Dimensions specifications
Counterweight Clearance	4.90 ft (1.49 m) - Starting 2026
Ground Clearance	2.50 ft (0.76 m) - Starting 2026
Handrail Height	11.60 ft (3.54 m) - Starting 2026
Length: General Forestry - Boom Stretched Out	46.20 ft (14.08 m) - Starting 2026
Length: Log Loader - Boom Stretched Out	51.60 ft (15.73 m) - Starting 2026
Shipping Height - Tilted Cab	11.90 ft (3.63 m) - Starting 2026
Tail Swing Radius	11.60 ft (3.54 m) - Starting 2026
Track Gauge	9.60 ft (2.93 m) - Starting 2026
Track Length	16.90 ft (5.15 m) - Starting 2026
Track Length to Center of Rollers	13.50 ft (4.11 m) - Starting 2026
Transport Width	12.00 ft (3.66 m) - Starting 2026

Drive

Caterpillar FM558 GF/FM558 LL Forest Machine Drive specifications
Maximum Drawbar Pull	78,638.00 lbs ft (106,617.40 nm) - Starting 2026
Maximum Travel Speed	2.80 mph (4.51 kph) - Starting 2026

Engine

Caterpillar FM558 GF/FM558 LL Forest Machine Engine specifications
Biodiesel Capability	B20¹ - Starting 2026
Bore	4.13 in (10.49 cm) - Starting 2026
Displacement	433.30 cu in (7,100.53 cu cm) - Starting 2026
Emissions	Meets U.S. EPA Tier 4 Final, EU Stage V emission standards. - Starting 2026
Engine Model	Cat C7.1 - Starting 2026
Engine Power - ISO 14396	302.00 hp (225.21 kw) - Starting 2026
Engine Power - ISO 14396 (DIN)	306.00 hp (228.19 kw) - Starting 2026
Net Power - ISO 9249	298.00 hp (222.22 kw) - Starting 2026
Net Power - ISO 9249 (DIN)	303.00 hp (225.95 kw) - Starting 2026
Stroke	5.31 in (13.49 cm) - Starting 2026

Hydraulic System

Caterpillar FM558 GF/FM558 LL Forest Machine Hydraulic System specifications
Main System - Maximum Flow	141.00 gpm (533.69 lpm) - Starting 2026
Maximum Pressure - Equipment	5076 psi - Starting 2026
Maximum Pressure - Equipment - Lift Mode	5511 psi - Starting 2026
Maximum Pressure - Swing	3945 psi - Starting 2026
Maximum Pressure - Travel	5076 psi - Starting 2026

Service Refill Capacities

Caterpillar FM558 GF/FM558 LL Forest Machine Service Refill Capacities specifications
Cooling System	10.00 gal (37.85 l) - Starting 2026
DEF Tank	11.00 gal (41.64 l) - Starting 2026
Engine Oil	7.00 gal (26.50 l) - Starting 2026
Final Drive - Each	3.00 gal (11.36 l) - Starting 2026
Fuel Tank	262.00 gal (991.67 l) - Starting 2026
Hydraulic System - Including Tank	92.00 gal (348.22 l) - Starting 2026
Hydraulic Tank	49.00 gal (185.47 l) - Starting 2026
Swing Drive	4.00 gal (15.14 l) - Starting 2026

Swing Mechanism

Caterpillar FM558 GF/FM558 LL Forest Machine Swing Mechanism specifications
Maximum Swing Torque	113,584.00 lbs ft (153,997.19 nm) - Starting 2026
Swing Speed	7.4 r/min - Starting 2026

Weights

Caterpillar FM558 GF/FM558 LL Forest Machine Weights specifications
General Forestry	91,490.00 lbs (41,499.22 kg) - Starting 2026
Log Loader (U/U)	98,550.00 lbs (44,701.58 kg) - Starting 2026

Working Ranges

Caterpillar FM558 GF/FM558 LL Forest Machine Working Ranges specifications
Max Reach at Grapple Mount on Heel at Ground Level - Log Loader Under/Under	39.30 ft (11.98 m) - Starting 2026
Max Reach at Stick Nose at Ground Level - General Forestry Road Builder	35.30 ft (10.76 m) - Starting 2026

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