559C Knuckleboom Loader
Cat knuckleboom loaders are known for superior multifunction capability, excellent visibility and heavy-duty booms and structures. Now the Cat C Series knuckleboom loaders feature a new more fuel efficient power system, an upgraded hydraulic system for greater reliability and significantly more lift at full reach than previous models.
- Technical Specs
- Standard Equipment
- Optional Equipment
- Gross Power
- 174.0 hp
- Engine Model
- Cat® C6.6 ACERT™ Tier 4 Interim
- Gross Power @ 1,800 rpm
- 174.0 hp
- Operating Weight
- 34100.0 lb
- Operating Weight (less grapple)
- 34100.0 lb
- Operating Weight without grapple
- 34100.0 lb
- Knuckleboom Length
- 32.0 ft
- Swing Speed
- 11.0 RPM
- Maximum Reach (standard boom)
- 32.0 ft
- Standard Knuckleboom Reach to Pin
- 32.0 ft
- Swing Bearing Diameter (ball path)
- 43.5 in
- Swing Torque
- 49173.0 lb ft
- Tailswing
- 106.0 in
- Hydraulic Tank
- 80.0 gal
- Fuel Tank
- 100.0 gal
- Cooling System
- 7.5 gal
- Engine Oil
- 4.0 gal
- Swing Drive
- 1.0 gal
- Cylinders - Main
- two
- Cylinders - Stick
- one
- Hydraulic Pressure - Swing
- 3500.0 psi
- Hydraulic Pressure - System
- 3500.0 psi
- Cylinders - Stabilizers
- four
- Hydraulic Oil Flow @ 1,800 rpm
- 230/174 L (60/46 gal)
- Stabilizer Pad Size
- 508 × 711 mm (20 × 28 in)
- Stabilizer Reach Below Grade
- 17.0 in
- Stabilizer Spread at Maximum Down Reach
- 166.8 in
- Stabilizer Spread at Grade
- 187.3 in
- Height to Top of Cab
- 157.6 in
- OFPS
- cab meets SAE J2267
- Height
- 157.6 in
- Width
- 101.3 in
-
ELECTRICAL
- 24V system
- Master disconnect
- Circuit breaker protection
- 95 Amp alternator
- Two (2) 12V maintenance free batteries
- Standard lighting package: - Two (2) cab mounted halogen light fixtures
- Electronic engine/machine monitoring system
- Two (2) 12V power points
- 20 circuit electric swivel
-
OPERATOR ENVIRONMENT
- Cab with swing out front window guard (meets SAE J2267)
- Isolation mountings
- Dual joystick control (pilot hydraulic actuation) with foot pedal swing
- Electric stabilizer controls
- Integrated trailer landing gear control
- Pilot shut-off button
- Push button throttle control
- Reverse slope windshield
- Skylight
- Tinted safety glass
- Sunshade - dual position for front window/skylight
- High back suspension seat with lumbar support
- High capacity AC/heater system with outside air intake
- Defroster fan
- Windshield wiper/washer
- Dome light
- Horn
- Radio ready - includes speakers and AM/FM antennas
- CB Radio ready - includes mounting bracket, power and ground wires, antenna cable and antenna mount bracket
- Product Link ready
- Cup holder
- Fire extinguisher mounting bracket
- Diagnostic port
- Cell phone storage tray
-
POWER TRAIN
- Cat C6.6 ACERT engine meets U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards
- Electric fuel priming pump
- Air precleaner
- 2-stage air cleaner
- Enlarged cooling package with isolated cores
- 378 L (100 U.S. gal) fuel tank
- Fuel water separator
- Variable speed fan
-
HYDRAULICS
- Twin 140 cm3 (8.54 in3) variable displacement pumps
- Excavator style “Negacon” system
- Bar slasher/delimber hydraulic package
- 302 L (80 U.S. gal) hydraulic tank
- Electric hydraulic oil fill pump
-
STRUCTURE AND SUBFRAME
- Fabricated heavy-duty, extended length center mount subframe
- Flat top subframe deck with bolt-on skid resistant fenders
- Bolt-on subframe ladder
-
BOOMS AND STICKS
- 9.8 m (32 ft) reach knuckleboom
- 229 mm (9 in) grapple mounting knuckle
-
ANTIFREEZE
- 50% concentration extended life coolant
-
DS SYSTEMS
- Non-suspension trailer with hydraulic landing gear
- Suspension trailer with hydraulic landing gear
- CTR 320 three-knife delimber
- CTR 426 four-knife delimber
-
OTHER EQUIPMENT
- Cat Product Link
- AM/FM/CD/Satellite radio receiver
- Long-range front lights on cab
- Engine compartment lights
- Additional subframe ladders
- Auxiliary light package
- Slasher port adapter fittings
- Single “V” and double “VV” bolt on heels
- Single “V” extended and double “VV” extended bolt on heels
- 305 mm (12 in) grapple mounting knuckle
- Grapples