{"product_id":"p391-enerpac-hydraulic-hand-pump","title":"P391 Enerpac Hydraulic Hand Pump","description":"\u003cp\u003e\u003cimg alt=\"P391 Enerpac Hand Pump\" height=\"16\" name=\"P391 Enerpac Hand Pump\" src=\"..\/..\/..\/..\/content\/pdf-icon.jpg\" width=\"16\"\u003e \u003ca href=\"https:\/\/horizonhydraulic.com\/wp-content\/uploads\/2020\/12\/P-Series-Hydraulic-Lightweight-Hand-Pumps.pdf\" target=\"_new\"\u003eP Series Hydraulic Lightweight Hand Pumps\u003c\/a\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e\u003cbr\u003eWhen your job takes you into the field—or demands performance under pressure—you need a hydraulic hand pump that's compact, tough, and ready to deliver. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEnerpac P391\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is a lightweight, single-speed hydraulic hand pump engineered for portability without sacrificing power. Designed to work seamlessly in both shop environments and remote field applications, this pump is trusted by maintenance teams, heavy equipment operators, and industrial pros who need reliable hydraulic pressure fast.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith a rugged glass-filled nylon reservoir and a durable aluminum pump body, the P391 is built for harsh conditions and tough jobs. It's not just a tool—it's your backup when powered systems fail or when mobility matters most.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReal-World Scenario: Built for the Unexpected\u003c\/span\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eImagine a field technician working on a disabled dump truck in a remote quarry. With no air or electric tools available, time is money. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eP391\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e delivers up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e10,000 psi\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e of hydraulic pressure manually—enough to power a cylinder and lift the truck safely to complete repairs onsite. No power? No problem.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features \u0026amp; Real-World Benefits\u003c\/span\u003e\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompact, Lightweight Design (10.8 lbs)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ‚û§ Easy to carry and position in tight or awkward spaces—perfect for mobile technicians.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-Pressure Output (Up to 10,000 psi)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ‚û§ Pairs with Enerpac single-acting cylinders or tools for consistent force, even on demanding jobs.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eGlass-Filled Nylon Reservoir (45 in³ usable oil capacity)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ‚û§ Corrosion-resistant, durable, and suitable for use in wet or dirty environments without cracking or leaking.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInternal Pressure Relief Valve\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ‚û§ Protects both the pump and your hydraulic system from overload—peace of mind on every job.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eErgonomic Grip \u0026amp; Handle Lock\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ‚û§ Reduces fatigue and ensures secure transport, whether it's bouncing in your truck or strapped to a pack.\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eField-Serviceable Components\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ‚û§ Designed with longevity in mind—easily repairable with Enerpac's widely available service kits.\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePump Type\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Single-Speed, Manual\u003c\/span\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMax Operating Pressure\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: 10,000 psi\u003c\/span\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOil Capacity (Usable)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: 45 in³\u003c\/span\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReservoir Material\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Glass-filled nylon\u003c\/span\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWeight\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: 10.8 lbs\u003c\/span\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePort Size\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: 3\/8\" NPTF\u003c\/span\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDimensions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: 20.75\" x 5.25\" x 5.5\"\u003c\/span\u003e\n\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1. What makes the Enerpac P391 different from other hand pumps?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The P391 stands out due to its lightweight, corrosion-resistant design and high-pressure output. It combines portability with the power professionals need in the field.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2. Is this pump suitable for both vertical and horizontal use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, the P391 is designed for flexible positioning, making it ideal for horizontal and vertical applications—whether you're lifting, pressing, or spreading.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e3. Can I use the P391 in field environments without access to power?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. It's manual, so there's no need for electricity or compressed air. It's commonly used in remote industrial, mining, and construction sites.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e4. Is this pump serviceable, or is it a disposable tool?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The P391 is fully serviceable. Enerpac offers replacement parts and service kits so you can maintain performance over the long term.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e5. What kind of hydraulic cylinders work best with the P391?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The P391 is compatible with Enerpac's single-acting cylinders and tools rated up to 10,000 psi. Just be sure to match the oil volume to your tool's requirements.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhether you're troubleshooting machinery in a remote plant, maintaining heavy equipment in the field, or simply need a backup for your hydraulic system, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEnerpac P391\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is the professional's choice for manual hydraulic power. It's compact, capable, and built to go wherever your work takes you. Trust Enerpac for the performance and dependability your job demands.\u003c\/span\u003e\u003c\/p\u003e \u003cdiv class=\"long-description-features pt-2\"\u003e \u003c\/div\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938810855502,"sku":"P391","price":732.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/P391_0734_2000__35464.1669579876.1280.1280.jpg?v=1783411589","url":"https:\/\/buyenerpac.com\/products\/p391-enerpac-hydraulic-hand-pump","provider":"Horizon Hydraulic Sales \u0026 Service","version":"1.0","type":"link"}