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Construction

Construction Equipment Hydraulic Couplers for Skid Steers, Excavators, and Attachments

Every attachment swap is a test of the couplers on your machine. When you switch a skid steer from bucket to hammer to auger three times before lunch, the couplers either connect clean and fast, or they leak, stick, and stall your job. Either way, you are the one standing in the dirt dealing with it.

PCI Hydraulics+ has stocked construction equipment hydraulic couplers, valves, diagnostics, and clamps since 1985 from our warehouse in Solon, Ohio. Every part is backed by a full one-year warranty and shipped same day, so your machine is back on the dirt tomorrow, not next week.
Construction Hydraulics

What construction equipment demands from its hydraulic couplers 

Fast, clean attachment swaps. Bucket to breaker to auger, all day, every day. You should not tolerate couplers that drag out a two-minute swap, and drips at the connection point become jobsite housekeeping and environmental problems you have to answer for. 

Reconnection against trapped pressure. An attachment sitting in the sun builds residual pressure in its lines. With standard couplers, you cannot reconnect without hunting down a relief tool and bleeding oil on the ground. That is the number one aux-circuit headache on any jobsite. 

Survival on hammer circuits. Hydraulic breakers generate pressure spikes and pulsations that destroy ordinary poppet couplers in weeks. If you run demolition tools, you need screw-together couplers built for it. 

Drop-in interchange for rental fleets. If you run or maintain a fleet and replace Bobcat-style couplers, you need exact-fit replacements on the way today, because a machine that cannot take attachments does not earn. 

Construction Equipment Hydraulic Couplers We Stock 

 

3FF Series connect-under-pressure flat face couplers 

The hero of the aux circuit. 3FF couplers connect against up to 3,000 PSI of trapped attachment pressure (size-dependent) with no relief tool and no oil on the ground, which means you can hook up a sun-soaked breaker in seconds instead of fighting it for twenty minutes. If you run a skid steer or compact track loader, this is the coupler that ends the fight.

FF, FFS, and FF90 ISO 16028 flush face couplers 

Flat face geometry wipes clean, sheds jobsite dust, and connects with virtually no spillage or air inclusion, solving the contamination problems that plague poppet-style faces on excavator thumbs, shears, and augers. The FF90 puts the same performance in a 90-degree body for tight routings on booms and loader arms. 

BC Series Bobcat interchange replacement couplers 

Direct interchange with the OEM Bobcat coupler your machine already runs. The BC Series sits in the same flat face ISO 16028 category as our FF family, but it earns its own place in the lineup: if your compact loader came with Bobcat-style couplers, this is the exact-fit replacement, no cross-reference guesswork required. 

VVP and PVEP screw-to-connect couplers for hammer circuits 

Threaded, screw-together couplers rated up to 5,500 PSI and built for impulse service, so they shrug off the spikes and pulsations of hydraulic breakers and demolition tools. If you keep burning through standard couplers on a hammer circuit, this is the upgrade that ends the cycle.

DIN 3015 clamps, gauges, and test kits 

DIN 3015 clamps secure hose and tube runs along booms and chassis so vibration does not chew through lines. PCDG digital and PCLG liquid-filled gauges plus HPTK test kits let you chase down auxiliary-flow problems instead of swapping parts on a hunch. 

Standards and interchange 

Our flat face family follows the ISO 16028 flush-face interchange standard, so it mates with the couplers already on your late-model machines. We also stock ISO 7241-A and 7241-B profiles for older equipment, plus Bobcat interchange replacements. Send us the coupler half you are trying to match, and we can match it. 

Why buy from PCI Hydraulics+ 

We have been at this since 1985, and it shows. Orders placed by cutoff ship same day from Solon, Ohio. Every part is covered by a full one-year warranty. With four product families stocked deep, couplings, valves, diagnostics, and DIN 3015 clamps, one call covers your whole aux circuit. And when you phone 800-322-9527, a real person who knows couplers answers. Fast. Friendly. Reliable. It is on the wall because it is how we operate. 

Distributors and OEMs 

PCI has supplied distributors and equipment manufacturers since 1985, and volume and wholesale pricing are available. Request a quote or call 800-322-9527 to set up an account. 

Frequently asked questions 

 

Will your flat face couplers interchange with the couplers already on my machine? 

Yes. Our FF family is built to the ISO 16028 flush-face interchange standard used on most current skid steers and excavators, and our BC Series is a direct Bobcat-style replacement. For older machines we stock ISO 7241-A and 7241-B profiles. 

What pressure ratings do construction attachment circuits need? 

Most skid steer and excavator auxiliary circuits run in the 3,000 to 5,000 PSI range, which our ISO 16028 family handles, rated 5,000 PSI in sizes through 1/2 inch and 3,625 PSI in 3/4 and 1 inch. For hammer and breaker circuits with pressure spikes, we recommend VVP or PVEP screw-to-connect couplers, rated up to 5,500 PSI and built for impulse service. 

How fast can you ship a coupler order? 

Same day, as long as the order is in by our daily cutoff. It leaves Solon, Ohio that afternoon as standard practice, not an expedite fee, and rental fleets and contractors count on it to keep machines earning. And if a part is not on our shelf, we are a distributor first: we will source it and tell you exactly when it lands. 

What warranty covers these couplers? 

Every product we sell carries a full one-year warranty.

Keep your machine swapping attachments, not waiting on parts 

Couplers, valves, diagnostics, and clamps for the whole aux circuit, shipped today. Request a quote online or call 800-322-9527. 

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