Electric Grease Jockey

Automatic Chassis Lubrication

Makes manual lubrication a thing of the past

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!

Grease Jockey Chassis Lubrication

Timer (Air Operated Pump)

Input Power
12 -24 VDC
Timer 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
150 psi

Air Operated Pump

Output per Stroke
1.5 in³
Inlet Pressure (air)
40 – 50 psi
Outlet Pressure (lubricant)
360 – 1350 psi
Operating Temperature
40° – 135°F
Fluid Compatibility
Oil and Grease, NLGI #0 or lighter

Modules (includes tubing, manifolds and meters)

Manifold Maximum Working Pressure
2,500 psi
Meters Maximum Working Pressure
2,000 psi
Meters Minimum Operating Pressure
450 psi
Meters Vent Pressure
160 psi
Meters Minimum Cycle On Time
30 seconds
Meters Minimum Cycle Off Time
3 minutes
Tubing 5/16 in OD Main Line Maximum Working Pressure
375 psi
Tubing 3/16 in OD Distribution Line Maximum Working Pressure
800 psi