Constructed for durability and efficiency, this hydraulic hose from Danfoss Power Solutions (II LLC Aeroquip) features a synthetic rubber tube with single and double wire braid reinforcement, designed to handle high-pressure applications up to 3000 PSI. The synthetic rubber cover is ozone resistant, ensuring longevity in demanding environments.
Ideal for general industrial and hydraulic system service with petroleum and water-based fluids, it suits high-pressure oil lines in construction and off-highway applications, offering a minimum bend radius of 2 inches and a wide temperature range from -40deg;F to 212deg;F. The hose has an internal diameter of 0.25 inches and an outer diameter of 0.59 inches.
Its conductive properties and abrasion resistance make it suitable for refined petroleum-based fluid applications. The ink transfer lay line style provides clear and lasting identification. Available in reel quantities of 450-550 feet, this hose meets standard specifications for abrasion resistance, handle flexibility, and reliable performance.
MPN: FC639-04RL
Supplier Part Number: FC639-04
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Specifications
Abrasion Resistance
29
Application
Refined petroleum based fluids.
Color
Black
Conductivity
30
Construction
1 Ply Braid
Cover Material
Synthetic Rubber
Dash Size
-4
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
12.00
UOM
FT
Hose I.D.
0.25
Hose O.D.
0.59
Lay Line Style
Ink Transfer
Maximum Operating Pressure
3000
Minimum Bend Radius
2
Minimum Bend Radius
2
Minimum Working Temperature
-40
Reel Qty (ft)
450-550
Reinforcement Material
Wire
Supplier Part Number
FC639-04RL
Tube Material
Synthetic Rubber
Alternate Part Numbers
Alternate Part NumberC1ZX99, Alternate Part Number FC639-04RL, Alternate Part Number MI-03077624, Alternate Part Number MINO-00015X16237, Alternate Part Number MINO-00015X60066
Answer by: Customer Support on Apr 15, 2025, 2:46 PM
It's designed for use with refined petroleum-based fluids, along with water-based options. It’s also recommended for high-pressure oil lines, especially on construction and off-highway gear.
Question by: Lynn B on Oct 28, 2025, 2:34 PM
i’ve got a -4 line on a piece of equipment, is this the right size hose or am i lookin at the wrong thing
Answer by: Customer Support on Oct 29, 2025, 2:42 PM
For sizing, this one is a dash -4 hose with a 0.25 inch inside diameter and about a 0.59 inch outside diameter. If your setup calls for a -4 hose size, that matches the ID on this hose.
Question by: Brett C on May 24, 2025, 8:52 PM
What's the smallest I can bend this hose without causing problems?
Answer by: Customer Support on May 26, 2025, 4:58 PM
The minimum bend radius for this hose is 2 inches.
Question by: Dwayne H on Jun 3, 2025, 1:10 PM
Running a skid steer on a tight job site and need to know the minimum bend radius on this hose before I route it through a real cramped spot. What are we working with?
Answer by: Customer Support on Jun 5, 2025, 6:40 AM
Two inches is the minimum bend radius on this hose. That's pretty tight for a 1/4 inch line, which gives you decent flexibility when you're working around frame rails or fitting it through close quarters on compact equipment. Just don't force it tighter than that or you risk kinking and losing flow.
Question by: Rhonda T on Feb 3, 2026, 9:37 AM
got a tight spot to route a 1/4 inch line, how sharp can i bend this hose without kinkin it
Answer by: Customer Support on Feb 4, 2026, 11:46 AM
For routing, the minimum bend radius on this hose is 2 inches. Staying at or above that bend radius helps keep it from kinking and keeps the reinforcement doing its job.