519 SM Stationary Mount Knuckleboom Loader

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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.

Dimensions

Maximum reach: 32.6 ft

Operating Specifications

Knuckleboom Length: 27.0 ft
Grapple Mounting Knuckle Length: 9.0 in
Swing Bearing Diameter: 43.0 in
Swing Bearing Gearing: External
Electric Motor: 75.0 hp
Electric Power Supply: 460 Volt: 60 HZ
Operating Weight: 15915.0 lb

Engine

Gross Power: 75.0 hp

Hydraulic System

Cylinders - Live Heel: 127 mm X 76 mm (5 in X 3 in)
Cylinders - Main: 152 mm X 102 mm (6 in X 4 in)
Cylinders - Stick: 152 mm X 102 mm (6 in X 4 in)
Hydraulic Flow: 167/125/83 L/min (44/33/22 gpm)
Hydraulic Pressure - Swing: 2400.0 psi
Hydraulic Pressure - System: 2200.0 psi
Swing Speed: 8.0 RPM

Service Refill Capacities

Fuel Tank: 42.0 gal

Weights

Operating Weight: 15915.0 lb

Motor Power Supply
- Electric Motor, 56 kW (75 HP) @ 1800 RPM
- 460 Volt (60 Hz) Electric Power Supply
- Four (4) Ring High Voltage Collector Ring
- Service Panel, NEMA 12 Enclosure
- Pump Drive, Direct Through Flex Coupling
- Across-the-line Magnetic Starting System
- Turntable Power Supply Mounting
Hydraulic System
- Three (3) In-Line Gear Pumps
- Radial Piston Swing Motor
- Continuous Rotation
- Pilot Joystick Controls
- Single Element Return (3 mic) Filtration
- Filtration Bypass Indicators
- Diagnostic Nipples @ Pump for serviceability
Booms
- 8.2 m (27’) Knuckleboom
- 22.8 cm (9”) Grapple Mounting Knuckle
Structural
- 96.5 cm x 142.2 cm (38” x 56”) Right Side Mounted Cab
- Reverse Slope Windshield
- Tinted Safety Glass
- Lexan Skylight
- Sun Visor
- Adjustable Seat with Armrests
- Operator Protection Guard
- Pressurized Cab with Heater
- Analog Gauges
- Electronic Gauges
- Horn
- Windshield Wiper/Washer
- Defroster Fan
- Lighter
- Dome Light
- Circuit Breaker Panel
- Steel Mounting

575 Volt (60 Hz) Electric Power Supply
Non-Continuous Limited Rotation
Oil Reservoir Heater
7.6 m (25’) Knuckleboom
9.1 m (30’) Knuckleboom
30.5 cm (12”) Grapple Mounting Knuckle
Single “V” Heel
Double “VV” Heel
Air Conditioner
Concrete Mounting
30” Subframe Riser Mounting