{"product_id":"primary-mover-double-acting-12vdc-hydraulic-pump","title":"Primary Mover 12V Double-Acting Hydraulic Power Unit – 3 HP – Poly Reservoir","description":"\u003ch2\u003e12V Double-Acting Hydraulic Power Unit with Poly Reservoir\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003ePrimary Mover 12V Double-Acting Hydraulic Power Unit\u003c\/strong\u003e pairs a \u003cstrong\u003e3 HP (2.2 kW) motor\u003c\/strong\u003e with a poly reservoir and a \u003cstrong\u003e15-foot remote pendant\u003c\/strong\u003e. Designed for compatible power-up\/power-down systems, it supplies hydraulic pressure for both cylinder extension and retraction.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 HP (2.2 kW), 12V DC motor:\u003c\/strong\u003e Drives the hydraulic pump for powered movement in both directions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300-amp continuous-current-rated motor contactor:\u003c\/strong\u003e Heavy-duty electrical switching. This component rating does not make the complete power unit continuous-duty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-acting operation:\u003c\/strong\u003e Powers a compatible cylinder through its extension and retraction strokes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE #6 work ports:\u003c\/strong\u003e Connect to the two working lines of a compatible double-acting circuit. Confirm fitting compatibility before installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximately 3,200 PSI relief on Port A and 1,500 PSI on Port B:\u003c\/strong\u003e Match both pressure settings to the approved ratings and operating requirements of your equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15-foot wired pendant:\u003c\/strong\u003e Provides control of powered movement in both directions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoly reservoir options:\u003c\/strong\u003e Choose from six capacity and tank-shape combinations.\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eTwo-Year Limited Warranty\u003c\/strong\u003e – Backed by Primary Mover support and service. Warranty claims are evaluated for diagnosis, parts, repair, or replacement as appropriate. Coverage does not mean an automatic new-unit exchange.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePoly Reservoir Sizes and Model Numbers\u003c\/h3\u003e\u003cdiv style=\"overflow-x: auto;\" data-mce-style=\"overflow-x: auto;\"\u003e\u003ctable class=\"mce-item-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eReservoir option\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eModel \/ SKU\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-quart poly\u003c\/td\u003e\n\u003ctd\u003ePFP-DA04P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5-quart poly\u003c\/td\u003e\n\u003ctd\u003ePFP-DA05P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6-quart poly\u003c\/td\u003e\n\u003ctd\u003ePFP-DA06P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8-quart poly\u003c\/td\u003e\n\u003ctd\u003ePFP-DA08P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13-quart poly, narrow style\u003c\/td\u003e\n\u003ctd\u003ePFP-DA13P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13-quart poly, square style\u003c\/td\u003e\n\u003ctd\u003ePFP-DA13SP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eReservoir sizes are nominal. Size the tank for the cylinder and complete circuit throughout the full stroke, with the required oil reserve, pickup coverage and headspace. Check the \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"https:\/\/www.primarymover.com\/pages\/documents\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"https:\/\/www.primarymover.com\/pages\/documents\"\u003epower unit and reservoir dimension resources\u003c\/a\u003e to confirm mounting space and clearance before ordering.\u003c\/p\u003e\u003ch3\u003eApplications and Circuit Compatibility\u003c\/h3\u003e\u003cp\u003eUse this unit with compatible power-up\/power-down dump trailers, tilt trailers, hydraulic ramps and other equipment requiring powered cylinder extension and retraction. Confirm the cylinder type, both pressure requirements, hydraulic connections, reservoir capacity and electrical supply before ordering.\u003c\/p\u003e\u003cp\u003eA double-acting unit is not a direct replacement for every single-acting system. If your equipment uses power-up\/gravity-down operation, compare our \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"https:\/\/www.primarymover.com\/products\/primary-mover-single-acting-12vdc-hydraulic-power-unit\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"https:\/\/www.primarymover.com\/products\/primary-mover-single-acting-12vdc-hydraulic-power-unit\"\u003e12V single-acting power unit with poly reservoir\u003c\/a\u003e. Read \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"https:\/\/www.primarymover.com\/pages\/single-acting-vs-double-acting-hydraulic-power-units-which-do-you-need\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"https:\/\/www.primarymover.com\/pages\/single-acting-vs-double-acting-hydraulic-power-units-which-do-you-need\"\u003esingle-acting vs. double-acting hydraulic power units\u003c\/a\u003e for help matching the circuit.\u003c\/p\u003e\u003ch3\u003ePressure and Operating Speed\u003c\/h3\u003e\u003cp\u003ePressure and cylinder area determine hydraulic force; oil flow and cylinder dimensions determine operating speed. Actual flow varies with working pressure, battery voltage, wiring and fluid temperature. The relief settings do not establish constant GPM output or your trailer's lifting-capacity rating. Learn \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"https:\/\/www.primarymover.com\/pages\/2-500-vs-3-200-psi-why-pressure-and-flow-matter-on-a-dump-trailer\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"https:\/\/www.primarymover.com\/pages\/2-500-vs-3-200-psi-why-pressure-and-flow-matter-on-a-dump-trailer\"\u003ewhy pressure and flow both matter on a dump trailer\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eInstallation and Operating Requirements\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard mounting:\u003c\/strong\u003e Horizontal configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic fluid:\u003c\/strong\u003e Non-synthetic automatic transmission fluid (ATF). Follow the instructions approved for your specific model.\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e⚠ \u003cstrong\u003eWeather Disclaimer:\u003c\/strong\u003e\u003cbr\u003eThis unit is \u003cstrong\u003enot waterproof\u003c\/strong\u003e. Install in a \u003cstrong\u003edry, weather-protected area\u003c\/strong\u003e. Moisture intrusion will \u003cstrong\u003evoid the warranty\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical installation:\u003c\/strong\u003e Confirm battery, cable sizing, circuit protection and disconnect requirements with the model-specific installation instructions before wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating limits:\u003c\/strong\u003e Follow the power unit's duty and temperature limits. The contactor's continuous-current rating is not a continuous-running rating for the pump.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOptional Vertical Mounting Upgrade\u003c\/h3\u003e\u003cp\u003eThe \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"https:\/\/www.primarymover.com\/products\/vertical-hydraulic-pump-suction-tube-upgrade-inline-pickup-pipe-for-power-units\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"https:\/\/www.primarymover.com\/products\/vertical-hydraulic-pump-suction-tube-upgrade-inline-pickup-pipe-for-power-units\"\u003ePF-VSU-01 vertical suction tube upgrade\u003c\/a\u003e is sold separately. Confirm compatibility with your selected reservoir and installation before changing mounting orientation.\u003c\/p\u003e\u003cp\u003e\u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"https:\/\/www.primarymover.com\/products\/vertical-hydraulic-pump-suction-tube-upgrade-inline-pickup-pipe-for-power-units\" title=\"Vertical upgrade\" rel=\"noopener\" data-sanitized-target=\"_blank\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"https:\/\/www.primarymover.com\/products\/vertical-hydraulic-pump-suction-tube-upgrade-inline-pickup-pipe-for-power-units\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1169\/7506\/files\/Verticalupgrade_jpg.jpg?v=1775766606\" alt=\"Promotional graphic showing a vertical oil pickup tube beside a Primary Mover hydraulic power unit and wired remote, noting an optional upgrade for upright mounting.\" width=\"217\" height=\"326\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1169\/7506\/files\/Verticalupgrade_jpg.jpg?v=1775766606\"\u003e\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdetails style=\"margin-bottom: 12px;\" data-mce-style=\"margin-bottom: 12px;\"\u003e\u003csummary style=\"cursor: pointer; padding: 10px 0;\" data-mce-style=\"cursor: pointer; padding: 10px 0;\"\u003e\u003cstrong\u003eWhat does a double-acting hydraulic power unit do?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt supplies hydraulic pressure to extend and retract a compatible cylinder. On a suitable dump trailer or tilt system, this provides power-up and power-down operation rather than relying on gravity alone for the return stroke.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom: 12px;\" data-mce-style=\"margin-bottom: 12px;\"\u003e\u003csummary style=\"cursor: pointer; padding: 10px 0;\" data-mce-style=\"cursor: pointer; padding: 10px 0;\"\u003e\u003cstrong\u003eCan I replace my single-acting pump with this model?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNot without checking the complete system. Single-acting and double-acting systems have different circuit and cylinder requirements. Confirm your cylinder, hoses, controls and pressure ratings with Primary Mover before changing pump type. Our \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"https:\/\/www.primarymover.com\/pages\/single-acting-vs-double-acting-hydraulic-power-units-which-do-you-need\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"https:\/\/www.primarymover.com\/pages\/single-acting-vs-double-acting-hydraulic-power-units-which-do-you-need\"\u003esingle-acting vs. double-acting guide\u003c\/a\u003e explains the distinction.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom: 12px;\" data-mce-style=\"margin-bottom: 12px;\"\u003e\u003csummary style=\"cursor: pointer; padding: 10px 0;\" data-mce-style=\"cursor: pointer; padding: 10px 0;\"\u003e\u003cstrong\u003eWhich poly reservoir sizes are available?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis listing offers 4-, 5-, 6- and 8-quart poly reservoirs, plus 13-quart narrow and 13-quart square options. Choose based on required oil capacity and available mounting space.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom: 12px;\" data-mce-style=\"margin-bottom: 12px;\"\u003e\u003csummary style=\"cursor: pointer; padding: 10px 0;\" data-mce-style=\"cursor: pointer; padding: 10px 0;\"\u003e\u003cstrong\u003eHow do I size the reservoir for a double-acting cylinder?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOil moves between the reservoir and both sides of the cylinder. For a conventional single-rod cylinder, the net tank-level change relates to rod displacement, but tank selection must also allow for the complete circuit, operating reserve, pickup coverage and expansion space. Use your cylinder manufacturer's oil-volume information and confirm the required capacity through the full stroke.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom: 12px;\" data-mce-style=\"margin-bottom: 12px;\"\u003e\u003csummary style=\"cursor: pointer; padding: 10px 0;\" data-mce-style=\"cursor: pointer; padding: 10px 0;\"\u003e\u003cstrong\u003eAre both work ports rated at 3,200 PSI?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. This model is listed with approximately 3,200 PSI relief on Port A and 1,500 PSI on Port B. Verify that both settings suit your cylinder and application; do not assume equal available pressure or force in both directions.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom: 12px;\" data-mce-style=\"margin-bottom: 12px;\"\u003e\u003csummary style=\"cursor: pointer; padding: 10px 0;\" data-mce-style=\"cursor: pointer; padding: 10px 0;\"\u003e\u003cstrong\u003eWill the 3 HP motor or a larger tank make my trailer lift faster?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCycle speed depends on actual pump flow at working pressure and the oil volume the cylinder needs. Motor horsepower alone does not establish cycle time, and a larger reservoir does not increase pump output. Neither change increases your equipment's rated lifting capacity.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom: 12px;\" data-mce-style=\"margin-bottom: 12px;\"\u003e\u003csummary style=\"cursor: pointer; padding: 10px 0;\" data-mce-style=\"cursor: pointer; padding: 10px 0;\"\u003e\u003cstrong\u003eWhat hydraulic ports does this double-acting unit use?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis Primary Mover double-acting model uses SAE #6 work ports for its two working lines. Verify the required fittings and hose ratings for your installation.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom: 12px;\" data-mce-style=\"margin-bottom: 12px;\"\u003e\u003csummary style=\"cursor: pointer; padding: 10px 0;\" data-mce-style=\"cursor: pointer; padding: 10px 0;\"\u003e\u003cstrong\u003eHow long is the pendant cord, and what fluid does it use?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe wired pendant has a 15-foot cord. This model specifies non-synthetic automatic transmission fluid (ATF). Keep the fluid clean and follow the correct model's filling and maintenance instructions.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom: 12px;\" data-mce-style=\"margin-bottom: 12px;\"\u003e\u003csummary style=\"cursor: pointer; padding: 10px 0;\" data-mce-style=\"cursor: pointer; padding: 10px 0;\"\u003e\u003cstrong\u003eIs the power unit waterproof or suitable for continuous running?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis unit is not waterproof. Install it in a dry, weather-protected compartment and follow the model's operating duty and temperature limits. The 300-amp continuous-current rating applies to the motor contactor, not to continuous operation of the complete power unit.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom: 12px;\" data-mce-style=\"margin-bottom: 12px;\"\u003e\u003csummary style=\"cursor: pointer; padding: 10px 0;\" data-mce-style=\"cursor: pointer; padding: 10px 0;\"\u003e\u003cstrong\u003eCan I mount this power unit vertically?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe standard configuration is for horizontal mounting. The \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"https:\/\/www.primarymover.com\/products\/vertical-hydraulic-pump-suction-tube-upgrade-inline-pickup-pipe-for-power-units\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"https:\/\/www.primarymover.com\/products\/vertical-hydraulic-pump-suction-tube-upgrade-inline-pickup-pipe-for-power-units\"\u003ePF-VSU-01 vertical suction tube upgrade\u003c\/a\u003e is available separately. Confirm the selected reservoir and installation are compatible before changing orientation.\u003c\/p\u003e\u003c\/details\u003e\u003ch3\u003eManual and Product Video\u003c\/h3\u003e\u003cp\u003eVisit \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"https:\/\/www.primarymover.com\/pages\/documents\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"https:\/\/www.primarymover.com\/pages\/documents\"\u003eManuals and Product Documentation\u003c\/a\u003e for product resources. The double-acting manual download is currently unavailable. Contact \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"mailto:support@primarymover.com\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"mailto:support@primarymover.com\"\u003ePrimary Mover support\u003c\/a\u003e for the correct manual for your model before installation; do not substitute single-acting instructions.\u003c\/p\u003e\u003cdiv style=\"position: relative; width: 100%; max-width: 800px; aspect-ratio: 16 \/ 9;\" data-mce-style=\"position: relative; width: 100%; max-width: 800px; aspect-ratio: 16 \/ 9;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/jbmHdMKItWw?si=kx2Daqk4LOgZnBu8\" title=\"Primary Mover hydraulic power unit video\" width=\"560\" height=\"315\" loading=\"lazy\" style=\"position: absolute; inset: 0; width: 100%; height: 100%; border: 0;\" data-mce-style=\"position: absolute; inset: 0; width: 100%; height: 100%; border: 0;\" data-mce-src=\"https:\/\/www.youtube.com\/embed\/jbmHdMKItWw?si=kx2Daqk4LOgZnBu8\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003cp\u003eNeed help choosing a reservoir or checking compatibility? Call \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"tel:9858886554\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"tel:9858886554\"\u003e985-888-6554\u003c\/a\u003e or \u003ca style=\"color: #002dff; text-decoration: underline;\" href=\"https:\/\/www.primarymover.com\/collections\/12vdc-hydraulic-power-units\" data-mce-style=\"color: #002dff; text-decoration: underline;\" data-mce-href=\"https:\/\/www.primarymover.com\/collections\/12vdc-hydraulic-power-units\"\u003ebrowse all 12V DC hydraulic power units\u003c\/a\u003e.\u003c\/p\u003e","brand":"Primary Mover","offers":[{"title":"4 Quart Poly Reservoir","offer_id":42575248162998,"sku":"PFP-DA04P","price":349.95,"currency_code":"USD","in_stock":true},{"title":"5 Quart Poly Reservoir","offer_id":43882919559350,"sku":"PFP-DA05P","price":355.95,"currency_code":"USD","in_stock":true},{"title":"6 Quart Poly Reservoir","offer_id":42575248195766,"sku":"PFP-DA06P","price":359.95,"currency_code":"USD","in_stock":true},{"title":"8 Quart Poly Reservoir","offer_id":42575248228534,"sku":"PFP-DA08P","price":379.95,"currency_code":"USD","in_stock":true},{"title":"13 Quart Poly Reservoir","offer_id":42575248261302,"sku":"PFP-DA13P","price":399.95,"currency_code":"USD","in_stock":true},{"title":"13 Quart Poly Square","offer_id":43362074296502,"sku":"PFP-DA13SP","price":409.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1169\/7506\/files\/1_d306d436-c470-488b-8c6f-91050ec0be62.jpg?v=1745425542","url":"https:\/\/www.primarymover.com\/products\/primary-mover-double-acting-12vdc-hydraulic-pump","provider":"Primary Mover","version":"1.0","type":"link"}