TL28 #12 JIC Thread Flat Face High Flow Quick Connect Hydraulic Coupler Bulkhead 5/8" body size for Bobcat Skid Steer Loaders


These couplers are a direct replacement for the standard sized coupler mounted on many models of skid steers and attachments.


These are NOT light duty couplers. The sturdy design of heavy duty TopLine couplers have become well known for their durability and ability to withstand rugged conditions.


Our coupler sizes fit many models of: Bobcat, John Deere, CAT, Kubota, New Holland, CASE, JCB, Thomas, Gehl, Volvo, and ASV skid steers.  


Flat Face couplers are designed for applications where hydraulic spillage is a concern. One of the great advantages to the Flush Face design is that the couplers are easy to keep clean which helps to prevent contaminants from entering the hydraulic system during connection and disconnection.


The High Flow Design of these couplers allows for higher hydraulic fluid flow rate needed for High-Performance attachments.


Couples to any standard 5/8" body Flat Face couplers on Skid Steers and other equipment. These couplers meet or exceed the ISO 16028 standard.





  • Heavy Duty design. Rated at over 5076 PSI
  • High Flow design to power High-Performance Attachments
  • Couples to any standard 5/8” Flat Face coupler
  • Push-connect locking sleeve design
  • Exceeds ISO 16028 standards
  • Corrosion-resistant zinc plating
  • No air inclusion during disconnection
  • Heavy knurled sleeves for non-slip grip
  • Includes dust caps to protect from the elements
  • Flat Face coupler design minimizes hydraulic fluid loss



  • Model number:                 TL28
  • Coupler Body Size:           5/8"
  • Coupler Thread Size:        #12 (3/4) JIC
  • Thread Outer Diameter:    1.06”
  • Thread Dash Number:       -12
  • Coupler Material Type:      Steel
  • Coupler Plating Type:        Corrosion-resistant trivalent zinc 


This coupler may fit: 

  • BOBCAT   (2001 or older)- 753H, 763H, 773H, 843H, 853H, 863H, 943, 953, 963,


This set includes:

  • 1 Male Flat Face Coupler
  • 1 Female Flat Face Coupler
  • 2 Protective Dust Caps



(Click below to see what couplers fit your machine)



More Thread Sizes for 5/8" Body Flat Face Coupler:

3/4” NPT Female Thread (Set) TL29

3/4” SAE Female Thread (Set) TL27

#12 JIC Male Thread (Set) TL28


See our Store for more coupler sizes

We aim to be your #1 source for high quality skid steer & ag hydraulic quick connect couplers and accessories.


This item has a 100% satisfaction guarantee!


Return Policy: If you are not fully satisfied with your purchase, you may return unused item for a full refund of the purchase price, excluding shipping charges, within 60 days of purchase date.

If you have any questions about this item, feel free to contact us 

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