519 SM Stationary Mount Knuckleboom Loader

Caterpillar has a full line of stationary mount loaders for a wide range of mill yard applications. Four models are available with onboard or remote power. Caterpillar stationary mount loaders are completely pre-wired, tested and ready for on-site electric hookup, including installation kits with the required fasteners for mounting to steel or concrete pedestals. And with the Resilient Pad Mounting system, your workday will be productive and comfortable.

Operator Station



On standard loaders with operators station, the hydraulic pilot joystick controls and rocker swing pedal are ergonomically designed for ease of operation and maximum loader control required for the high cycle millyard applications. 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. 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.

Mounting System



The Resilient Pad Mounting System includes a set of special rubber isolators on each mounting fastener that absorbs stress in two directions. An additional hydraulic accumulator is built into the main boom cylinder circuit to further absorb peakload shocks.

Enclosed Components



Weatherproof electric service panels include starters, controls, transformers, circuit breakers and fuse blocks.

Motor Options



Electric motors range in horsepower from 75 to 100 hp and are totally enclosed and rated for severe duty. Power supply wiring packages provide for 440V60Hz US or 575V60Hz Canadian service.

Boom Length Options



Heavyduty boom options range in length from 7.6 m to 10.9m 25 to 36 for handling a variety of tree lengths.


Engine
Gross Power
75 hp

Operating Specifications
Knuckleboom Length
27 ft
Swing Bearing Diameter
43 in
Grapple Mounting Knuckle Length
9 in
Swing Bearing Gearing
External
Electric Power Supply
460 Volt: 60 HZ
Electric Motor
75 hp
Operating Weight
15915 lb

Weights
Operating Weight
15915 lb

Service Refill Capacities
Fuel Tank
42 gal

Hydraulic System
Cylinders - Live Heel
127 mm X 76 mm (5 in X 3 in)
Hydraulic Pressure - Swing
2400 psi
Hydraulic Pressure - System
2200 psi
Cylinders - Stick
152 mm X 102 mm (6 in X 4 in)
Cylinders - Main
152 mm X 102 mm (6 in X 4 in)
Hydraulic Flow
167/125/83 L/min (44/33/22 gpm)
Swing Speed
8 RPM

Dimensions
Maximum reach
32.6 ft