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Danfoss / Eaton Aeroquip 4-Wire Spiral TTC Fitting

Description & Features

The Danfoss / Eaton 4S Series Crimp Hose Fitting offers an innovative 90-degree CAT flange design, engineered to extend hose assembly life. It's built with durable carbon steel and features Dura-Kote plating to provide superior corrosion resistance, ensuring long-lasting performance in demanding industrial applications.

Designed to deliver maximum uptime, this fitting adheres to SAE J1176 certifications and boasts a robust system engineered to meet high standards. With its flanged end type and compatibility for -12 hose dash size, it is well-suited for various industrial fluid conveyance systems.

Additional features include a drop dimension of 2.54 inches and a product width of 1.84 inches.

Supplier Part Number: 4S12CTB12

Specifications

Brand Aeroquip® by Danfoss	a Dimensions 4.27 in	Compatible Hose ID 3/4 in	Connection Size 1 3/4 in	Connection Size 2 3/4 in	Connection Type Flanged, Hose	Connection Type 1 Hose	Connection Type 2 Caterpillar Flanged	Construction Style Crimp	Cut-Off Factor 2.85 in	Dimension Standards SAE J1176	Dimensions 5.16 in L x 1.84 in W x 3.46 in H	Drop Dimensions 2.54 in	End Size 1 12	Finish Zinc-Plated	Fitting Type 90 deg Elbow	For Use With H430, H430R, H525H, H471, H810L, H600, H464 and H850 Series Hoses	Hose Dash Size 12	Inside Diameter 0.56 in	Material Steel	Material Construction Carbon Steel	nmfc 50	Segment Code A	Series 4S Series	Thread Sealant Without Thread Sealant

Product Questions & Answers (5)

Question by: Kirk R on May 25, 2025, 4:13 PM

Does this fitting work with 4-wire spiral hose at the -12 dash size, or is it only for certain hose types?

Answer by: Customer Support on May 27, 2025, 6:38 AM

the 4S12CTB12 is built specifically for 4-wire spiral hose at the -12 dash size. The "4S" in the part number points straight to 4-wire spiral construction, and the -12 hose dash size is confirmed in the specs. It's a CAT flange end with a 90-degree elbow on one side and a crimp hose end on the other, so as long as your hose matches that dash size and construction, you're in the right place.

Question by: Shawn S on Nov 11, 2025, 3:52 PM

Will this fitting hold up to high pressure in a hydraulic system on a farm tractor?

Answer by: Customer Support on Nov 13, 2025, 6:26 AM

Dura-Kote plating gives this fitting superior corrosion resistance, which is important for equipment that's used outdoors and might sit for extended periods. The fitting is system-engineered to extend hose assembly life, which can help reduce downtime on the farm.

Question by: Judy B on Feb 8, 2026, 7:49 AM

trying to match up a fitting i pulled off an old hose, is 4S12CTB12 the one with the -12 hose size and a 90 degree CAT flange elbow?

Answer by: Customer Support on Feb 9, 2026, 8:18 AM

For replacement matching, 4S12CTB12 is a 4S Series crimp hose fitting called out as a CAT flange 90 elbow, and it is sized for a -12 hose dash.

Question by: Harvey M on Nov 22, 2025, 1:51 PM

got a -12 hose im crimpin up, is this fitting the right dash size for that?

Answer by: Customer Support on Nov 24, 2025, 6:04 AM

The key callout here is the hose dash size. This fitting is made for a -12 hose, and it’s a 4S Series crimp hose fitting.

Question by: Howard P on Jan 31, 2026, 12:05 PM

Is this fitting good for high-pressure stuff?

Answer by: Customer Support on Feb 1, 2026, 12:39 PM

This fitting is made with carbon steel and Dura-Kote plating. So it should hold up well in demanding industrial jobs where corrosion is a concern. It's built to SAE J1176 standards too.