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Overview

Cat® trailer-mount knuckleboom loaders feature hydraulic systems that provides smooth performance and fuel efficiency. High swing torque, swing speed and lift capacity reduce cycle times and lower cost per ton. The heavy-duty booms and structures provide reliable operation and reduce service costs. Spacious work stations, excellent visibility, and ergonomic controls reduce operator fatigue, resulting in a more productive shift. A wide range of machine sizes with optional factory installed hydraulic packages are available to increase loader utilization. Options include bar slasher, circle saw slasher, delimber, carrier and grapple saw.

Engine

Units:
Gross Power 156.0 hp 116.3 kW Less
Cat® Diesel Engines C6.6 Tier 3 C6.6 Tier 3 Less
Engine RPM (Rated) 2200.0 RPM 2200.0 RPM Less

Weights

Operating Weight 27900.0 lb 12655.0 kg Less
Counterweight 3300.0 lb 1496.8 kg Less
Operating Weight* 27900.0 lb 12655.0 kg Less

Operating Specifications

Knuckleboom Length 29.0 ft 8.8 m Less
Stabilizers (4) - Pad Size 55.8 cm × 55 cm (22 in × 23 in) 55.8 cm × 55 cm (22 in × 23 in) Less
Swing Bearing - Diameter - OD 43.0 in 109.2 cm Less

Service Refill Capacities

Fuel 73.0 gal 276.3 L Less
Hydraulic 78.0 gal 295.3 L Less

Hydraulic System

Flows @ Rated Speed 193, 158, 124 L/min (51, 42, 33 gal/min) 193, 158, 124 L/min (51, 42, 33 gal/min) Less
Swing Speed 8.0 RPM 8.0 RPM Less
System Pressure 2750.0 psi 18960.0 kPa Less

Operator Station

Unprecedented visibility and comfort


Hydraulic Packages

Factory installed hydraulic packages increase job site performance and versatility


Delimber-Slasher Package

A complete factory installed timber merchandising system


Complete Customer Care

Service you can count on


529 Standard Equipment

ENGINES AND DRIVE LINE
  • Cat® C6.6 116.3 kW (156 hp) Tier 3 Compliant
  • Electrical
  • Pump Drive

OPERATORS STATION
  • 97.8 cm × 142.2 cm (38.5 in × 56 in) Right Side Mounted with Isolation Pads
  • Tinted Safety Glass Windows, Lexan Skylight, Sun Visor
  • Fully Adjustable Seat with Fold-up Armrest
  • Operator Protection Guard
  • Pressurized Cab with Heat/Air Conditioning
  • Integral Heat/AC Ductwork
  • Analog Gauges
  • Windshield Wiper/Washer
  • Horn
  • Defroster Fan
  • 12V Power Point
  • Dome Light
  • Fire Extinguisher
  • Sliding Cab Window
  • Radio Ready (Speakers, AM/FM Antenna)

HYDRAULIC SYSTEM
  • 3 In-line Gear Pumps, Pilot Pump
  • Swing Motor
  • Controls
  • Filtration
  • Swivel
  • Serviceability
  • Auxiliary Hydraulics

STRUCTURAL
  • Boom
  • Grapple Mounting Knuckle
  • Lower Frame
  • Turntable Mounting

529 Optional Equipment

ENGINES AND DRIVE LINE
  • Electrical

OPERATORS STATION
  • AM/FM/CD Radio/Satellite Radio

STRUCTURAL
  • Heels
  • DS Package with Standard Trailer

Combining equipment, technology and services to help build your success.

Cat Connect makes smart use of technology and services to improve your jobsite efficiency. Using the data from technology-equipped machines, you’ll get more information and insight into your equipment and operations than ever before. Working with your Cat dealer, you can find the right combination of Cat Connect technologies and services for your jobsites. Whether your goal is to maximize production, reduce costs or improve safety, Cat Connect gives you the options you need to build the successful, sustainable business you want.

Learn more about Cat Connect
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