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Pneumatic Lift Assist

Positech’s pneumatic LodeArm® (LA) lightweight industrial manipulator provides excellent maneuverability of payloads up to 640 pounds, increasing workers’ capacity to perform physically stressful, repetitive lifting tasks. Easily adjustable to fit almost any work cell, the ergonomic lift assist is a high-capacity lift system in a compact package. Great for low-headroom applications, this manipulator provides rigid support and reach-in capability. This ergonomic lift assist is available in eight model configurations. It provides up to 72 inches of vertical lift and flexible mounting options.  Many safety features are available for this manipulator arm including a pneumatic safety circuit to prevent the accidental release of the part.

LodeArm II LodeArm II
LodeArm LodeArm
LodeArm LodeArm
LodeArm II LodeArm II
Cut Sheets Tech Specs Max. Lift Capacity* Reach in. Lift Range in. 2D Drawings 3D Model Installation Manual
LA LA3030L
96-144 36-60 LA3030L.dwg LA3030L.sldprt LA3030L LA3030L
96-144 36-60 LA3030LE.dwg LA3030LE.sldprt LA3030LE LA3030LE
LA LA3030S
98-180 39-72 LA3030S.dwg LA3030S.sldprt LA3030S LA3030S
LA LA3030H
108-180 42-60 LA3030H.dwg LA3030H.sldprt LA3030H LA3030H
LA LA4500L
99-144 25-42 LA4500L.dwg LA4500L.sldprt LA4500L LA4500L
120-240 25-42 LA4500LE.dwg LA4500LE.sldprt LA4500LE LA4500LE
LA LA4500S
98-180 25-51 LA4500S.dwg LA4500S.sldprt LA4500S LA4500S
LA LA4500H
108-180 30-42 LA4500H.dwg LA4500H.sldprt LA4500H LA4500H

Requires 90 psi (6.21 bar) clean, dry air to operate at rated capacity

*Lift capacity dependent upon arm length. Includes payload and end-effector; increasing arm length reduces payload capacity

To download the PDF of a model above, please click on the cell containing the model name


  • 5:1 design factor minimum on all structural components
  • Pilot operated lock valve on lift cylinder and gripper cylinders prevent downward arm movement and loss of payload if supply pressure is interrupted
  • Gripper Safety Circuitry available, prevents accidental release of unsupported payloads
  • Lost Load Cylinder is a separately sealed hydraulic device that protects the operator from any sudden, uncontrolled upward motion of the manipulator arms
  • Parallel linkage arms allow an end effector to remain parallel to the floor
  • Minimum Lift Circuit is standard, allowing controlled downward movement of payload
  • Floor mounted pedestal provided with concrete anchor bolts, mounting hardware and leveling jacks for ease of installation (No grout required)
  • Does not require an air lubricator
  • Complies with CE and other National Standards


  • Lightweight and easy to position
  • Pistol Grip Metering Controls lift and lower for ease of operation
  • Optional balance controls allow an operator to achieve critical load positioning by hand, without activating up/down valve
  • 360° continuous main post rotation
  • End-of-arm rotating axis has up to 5,000 inch pounds of end-of-arm moment loading
  • Pneumatically operated, requires clean dry input pressure
  • Precision bearings and thrust washers at rotation axes for smooth motion and long life
  • Adjustable friction brakes on all rotation axes allowing the operator to set arm motion for ease of operation
  • Standard pistol grip or optional ergonomic twist grip controls
  • Mounting Options: overhead, trolley, pedestal, wall mount, column, machine or mobile/portable base


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