GRACO 129759 – Electric Grease Jockey Mainline Tee Fitting, 6 ORB x 9/16 37° Flare

GRACO 129759 – Tee Fitting 9/16 MJ(2) x 9/16 SAE, 9/16 to 1/8 NPT connection

Mainline tee fitting designed for electric grease jockey systems, providing reliable connections in grease distribution networks. Essential component for branching grease lines in both semi-tractor and straight truck applications.

Mainline Tees (3)

Additional Specifications

Thread: 9/16 to 1/8 NPT connection

Connection Type: NPT threading

Quantity In Kits: varies by kit (2) or (3)

Application	On-Road Vehicles
Compatible Material	Oil, Grease
Connection Type	Threaded
For Use With	Hose
Material	Steel
Maximum Working Pressure (psi)	6000
Size A (in)	9/16
Size B (in)	9/16
Size C (in)	9/16
System of Measurement	Imperial
Thread Type	JIC, SAE
Type	Tee

Features

NPT threaded connections for secure fitting

Designed specifically for grease jockey systems

Compatible with both drum and disc brake configurations

Suitable for mainline grease distribution

Essential component for Electric Grease Jockey systems

Enables multi-point grease distribution

Applications

Electric grease jockey mainline systems

Semi-tractor grease distribution

Straight truck grease systems

Automotive lubrication systems

Electric Grease Jockey automatic lubrication systems

Industrial equipment lubrication

Compatible Equipment

Straight truck configurations with drum brakes

12 VDC grease jockey pumps

Electric Grease Jockey pumps

Related Parts

25C977

25C978

25C979 – Electric Grease Jockey System Truck w/ Greaseable Spring Pins – 1/4-28″ to 1/8″ NPT Female, 5-Pack

25T767

25C980 – Electric Grease Jockey System Truck with Greaseable Spring Pins – Zip Ties, Looped, 10-Count

129755 – Electric Grease Jockey Mainline Tee Fitting

This is a component part sold individually, quantities (1), (2), or (3) indicate how many are included in various system installation kits. Part appears in multiple kit configurations for different brake types and axle configurations. Listed as an installation item with quantity of 2 modules and 3 as the 4th module specification in the system configuration table This part is included as a component in various Electric Grease Jockey System Installation Kits with different quantities depending on the specific kit configuration

Reference Manuals

340540 (Page 5) Graco Grease Jockey Fleet Lubrication Solutions Brochure

352635 (Page 2) Graco Electric Grease Jockey® Automatic Lubrication System

352639 (Page 2) Electric Grease Jockey Pump

353470 (Page 7) Electric Grease Jockey

3A5082 (Page 60) Electric Grease Jockey Automatic Lubrication System