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Electric Grease Jockey

Electric Grease Jockey


  • Automatic lubrication continuously flushes contaminants and reduces friction.
  • Optimally lubricates when the vehicle needs it the most.
  • Reduces operating costs – Service more vehicles in less time.



Lubrication is critical to your vehicle’s peak performance.

With Graco’s Grease Jockey automatic lubrication system, vehicle maintenance gets a whole lot easier. Take the hassle out of manually lubricating your chassis and continuously lubricate it instead.


  • Keeps your chassis operating, even in harsh on-road conditions
  • Compatible with NLGI #000 to NLGI #2 grease
  • Lubricant goes where it’s supposed to, automatically, with little or no waste, while the vehicle is operating
  • No wasted time, no missed lube points and no under or over greasing ever again!
  • Systems to fit most OEM on-road vehicles, including specialty fire trucks, cement trucks, and waste haulers
  • Field-proven–some of the largest fleets have been using Grease Jockey for decades!

Injector Modules

  • Pre-set, field adjustable injector modules to match your chassis needs
  • Right front, left front, rear and 5th wheel modules provide coverage for virtually any vehicle
  • Everything included in each module to ensure proper connections
  • Innovative mounting hardware positions system components along the frame rail for added protection
Grease Jockey Chassis Lubrication
Timer (Air Operated Pump)
Input Power
12 -24 VDC
Time Intervals
0.5, 1, 1.5, 2, 3, 4, 6 hours
Wire Termination
Packard Connector
Air Solenoid
3-Way, Normally-Closed, Free Venting
Input Power
12 or 24 VDC, 9 Watt Continuous Duty Coil
Inlet Port
1/8 npt threads
Outlet Port
1/4 npt threads
Maximum Working Pressure
10.5 bar, 1.05 MPa
Air Operated Pump
Output per Stroke
24.58 cc
Inlet Pressure (air)
2.8 – 3.5 bar, 0.28 – 0.35 MPa
Outlet Pressure (lubricant)
25.2 – 94.5 bar, 2.5 – 9.4 MPa
Operating Temperature
4.4° – 57.2°C
Fluid Compatibility
Oil and Grease, NLGI #0 or lighter
Modules (includes tubing, manifolds, and meters)
Manifold Maximum Working Pressure
175 bar, 17.5 MPa
Meters Maximum Working Pressure
137 bar, 13.7 MPa
Meters Minimum Operating Pressure
31.5 bar, 3.2 MPa
Meters Vent Pressure
11.2 bar, 1.1 MPa
Meters Minimum Cycle On Time
30 seconds
Meters Minimum Cycle Off Time
3 minutes
Tubing 5/16 in OD Main Line Maximum Working Pressure
25.8 bar, 2.6 MPa
Tubing 3/16 in OD Distribution Line Maximum Working Pressure
55 bar, 5.5 MPa



  • On-Road Lubrication
  • Single Line Parallel Lubrication

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