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519 SM/EHC Stationary Mount Knuckleboom Loader
519 SM/EHC 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.

Standard Equipment


Gross Power
75 HP

Operating Specifications

Knuckleboom Length
27 ft
Operating Weight
15315 lb
Grapple Mounting Knuckle Length
9 in
Swing Bearing - Diameter
43 in
Swing Bearing - Gearing
Electric Motor
75 HP
Electric Power Supply
460 Volt: 60 Hz


Operating Weight
15315 lb

Hydraulic System

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


Maximum Reach
30 ft

Service Refill Capacities

Fuel Tank
42 gal (US)
  • Motor Power Supply
  • Hydraulic System
  • Booms
  • Structural