559B Knuckleboom Loader

The Caterpillar® Loader is built using advanced design technology, for the strength and reliability needed to meet the demands of high production delimbing and loading. Features such as smooth and responsive joystick controls, quiet comfortable operator stations and powerful Cat® engines provide the performance you’ve grown to expect from Caterpillar machines.

Operator Station



The ergonomically designed operator station provides greater operator comfort for increased productivity and reduced fatigue.



The operator station is designed with comfort in mind. The spacious cabs feature a large, fully adjustable suspension seat with lumbar support. Foldup armrests are fully adjustable to allow adjustment of the joystick controls to match the operator for ease of operation, increased performance.

Superior Visibility



Designed for maximum visibility, operator comfort and safety.



Excellent visibility of the work area is provided through large tinted cab windows. Overhead visibility is maximized through the large, tinted Lexan skylight. Operator protection is afforded through the front guard. This swingout guard is designed for quick and simple access to allow cleaning of the front window.

Hydraulic Packages



A wide variety of factory installed hydraulic packages increase jobsite performance and versatility.



Caterpillar loaders are much more than just a loader. Various factory installed hydraulic packages are available to increase loader utilization. Options include bar slasher, circle saw slasher, delimber, carrier and grapple saw. Availability dependant on model

DelimberSlasher Package



The DS package is a complete factory installed timber merchandising system consisting of a knuckleboom loader and grapple, trailer with trailermounted delimber and ground saw slasher.



Booms are engineered to withstand high production pullthrough delimbing and offer a maximum reach of 9.9 m 326. The heavyduty offroad axles and approved mounting design provide trouble free operation in the harsh woods environment. ulli Woodsduty push bumper is constructed with heavy wall 15.2 cm 6 diameter tubelili Sealed beam trailer lights mounted in rubberlili Lighting package is DOT approved for highway use trailerslili Support box for the delimber foot is constructed with 12.7 mm steellili Delimber foot is constructed of 15.2 cm x 15.2 cm 6 x 6 tubelili Slanted heavy plate cover protects the standard twospeed roll up transport gearlili Heavy reinforced gooseneck arealiul


Engine
Gross Power
167 hp
Engine Model
Cat® C6.6 ACERT™
Engine RPM - Full Load Governed
1800 RPM

Operating Specifications
Knuckleboom Length
32 ft
Swing Bearing Gearing
External
Maximum Reach
32 ft
Swing Bearing Diameter
51 in
Swing Speed
11 RPM

Weights
Operating Weight
32200 lb
Counterweight
1400 lb

Service Refill Capacities
Hydraulic Tank
80 gal
Fuel Tank
100 gal

Hydraulic System
Cylinders - Main
127 mm X 76.2 mm (5 in X 3 in)
Cylinders - Stick
152.4 mm X 101.6 mm (6 in X 4 in)
Hydraulic Pressure - Swing
3800 psi
Cylinders - Stabilizer
165.1 mm X 101.6 mm (6.5 in X 4 in)
Cylinders - Live Heel
152.4 mm X 101.6 mm (6 in X 4 in)
Hydraulic Pressure - System
3500 psi
Hydraulic Flow
416 L/min (110 gal/min)

Dimensions
Stabilizer Spread at Max Down Reach
167.47 in
Stabilizer Pad Size
558.8 mm X 711.2 mm (22 in X 28 in)
Stabilizer Reach Below Grade
16.5 in
Height to Top of Cab
13.18 ft
Stabilizer Spread at Grade
195.7 in