{"product_id":"emax-esp10v120v1-10-hp-120-gallon-air-compressor","title":"EMAX Silent Air 10 HP 120-Gallon 2-Stage Vertical Air Compressor — ESP10V120V1, 38 CFM, 230V Single-Phase","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEMAX Silent Air ESP10V120V1\u003c\/strong\u003e is a \u003cstrong\u003e10 HP, 120-gallon two-stage\u003c\/strong\u003e vertical air compressor built for continuous-duty shop and industrial use. It pairs a \u003cstrong\u003eV4 four-cylinder cast-iron pump\u003c\/strong\u003e (pump model APP4V1043TP) with a \u003cstrong\u003e230V single-phase\u003c\/strong\u003e motor and magnetic starter, delivering \u003cstrong\u003e38 CFM\u003c\/strong\u003e and a \u003cstrong\u003e175 PSI\u003c\/strong\u003e maximum working pressure from a vertical 120-gallon ASME tank.\u003c\/p\u003e\n\u003cp\u003eTwo features define this unit. First, the patented \u003cstrong\u003eSilent Air\u003c\/strong\u003e silencer system, which targets the loudest part of any compressor — the air intake — to run measurably quieter than a comparable open compressor. Second, a true \u003cstrong\u003epressure-lubrication\u003c\/strong\u003e system that feeds oil to every bearing point, the same approach used on continuous-duty engines, for longer pump life under heavy load. The pump carries an estimated \u003cstrong\u003e70,000-hour service life\u003c\/strong\u003e and the unit is \u003cstrong\u003eETL, ASME, and CRN certified\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cstyle\u003e.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }\u003c\/style\u003e\n\u003cdiv class=\"embed-container\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/atakh7WsbDY\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003ch3\u003eSilent Air Patented Noise Suppression\u003c\/h3\u003e\n\u003cp\u003eIntake noise is the loudest source of compressor sound, so the Silent Air silencer is engineered to suppress it at the source. The design uses noise-reducing baffle plates and high-capacity filter media, and is built to run at or below conversational volume — a design target of up to 50% quieter to the human ear, where each 10 dBA drop equals a halving of perceived loudness. Unlike enclosed cabinet systems, the silencer keeps the pump fully accessible for routine service.\u003c\/p\u003e\n\u003ch3\u003ePressure-Lubricated Pump\u003c\/h3\u003e\n\u003cp\u003eA rear-mounted gear-driven oil pump generates positive oil pressure and delivers a continuous flow of oil to every bearing point, keeping bearings cool and extending pump life. The crankshaft and connecting rods are rifle-drilled (gun-drilled) for direct oil flow to high-friction wear points, an automotive-style spin-on oil filter keeps the oil clean, and a liquid-filled analog gauge lets the operator monitor oil pressure directly. Unlike splash-lubricated pumps, pressure lubrication places oil precisely where it is needed — the more effective method for high-stress, continuous-duty operation.\u003c\/p\u003e\n\u003ch3\u003e100% Cast Iron Construction\u003c\/h3\u003e\n\u003cp\u003eAll major pump components are cast iron rather than aluminum, for durability and rigidity under high-duty-cycle compression: the crankcase, cylinder heads, cylinders, connecting rods, crankshaft, and high-pressure piston. There are no aluminum sleeves beneath the paint. The low-pressure pistons on this two-stage pump are aluminum by design, since they operate under low stress (around 45 PSI).\u003c\/p\u003e\n\u003ch3\u003eCast Iron Flywheel\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/5550\/0318\/files\/emax-esp10v120v1-10-hp-120-gallon-air-compressor-feature-1.jpg?v=1781766052\" alt=\"Cast iron compressor flywheels with cooling fins, four designs\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Eaton-built pump uses a heavy-duty cast-iron flywheel whose added mass stores kinetic energy to reduce amp draw and overall energy use. The 10 HP pump runs a 20-inch flywheel with two B-style groove belts for a larger belt contact area and longer belt life, and the flywheel is cast with large cooling fins to pull heat off the pump.\u003c\/p\u003e\n\u003ch3\u003ePiston and Connecting Rod Design\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/5550\/0318\/files\/emax-esp10v120v1-10-hp-120-gallon-air-compressor-feature-2.jpg?v=1781766051\" alt=\"Compressor pistons and connecting rod assemblies, feature callouts\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe high-pressure pistons are cast iron to withstand heavy loads and resist cylinder scoring. The connecting rods are CNC-machined solid cast iron for maximum rigidity, with replaceable bearing inserts and wrist pins that make the rod assembly fully rebuildable rather than throw-away.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/5550\/0318\/files\/emax-esp10v120v1-10-hp-120-gallon-air-compressor-feature-3.jpg?v=1781766051\" alt=\"Compressor piston with overlapping rings and rifle-drilled connecting rod\"\u003e\u003c\/p\u003e\n\u003cp\u003eEach piston uses a four-ring design instead of three: two oil-control rings clear excess oil on the downstroke and two compression rings seal under compression to prevent blow-by. The rings are engineered to overlap, which maximizes sealing, reduces oil carryover, and extends ring life. A rifle-drilled oil port carries oil through the crankshaft and up the rod to the piston pin and bearing for continuous lubrication.\u003c\/p\u003e\n\u003ch3\u003eOil Pump\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/5550\/0318\/files\/emax-esp10v120v1-10-hp-120-gallon-air-compressor-feature-4.jpg?v=1781766051\" alt=\"Pressure-lubrication oil pump with liquid-filled oil pressure gauge\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe automotive-style gear oil pump pressurizes the crankshaft bearings and the upper connecting-rod assembly. A bleeder valve allows quick priming, an adjustable regulator sets oil pressure across the RPM range, the liquid-filled gauge gives clear readings during operation, and the spin-on filter removes debris to extend pump service life.\u003c\/p\u003e\n\u003ch3\u003eDisc Valves\u003c\/h3\u003e\n\u003cp\u003eThe pump uses CNC-machined concentric-ring (disc) valves, precision surface-ground for sealing and long service life. Disc valves are more durable than the feather or reed valves used on many pumps, and service is simple — remove the retainer, lift out the valve for inspection, and reinstall within minutes. All valves are engineered to support an automatic head-unloader system.\u003c\/p\u003e\n\u003ch3\u003eCast Iron Cylinder Heads\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/5550\/0318\/files\/emax-esp10v120v1-10-hp-120-gallon-air-compressor-feature-5.jpg?v=1781766052\" alt=\"Cast iron cylinder head castings, top and underside views\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe cylinder heads are solid cast iron, not aluminum, for durability and rigidity under demanding conditions. Tapped holes provide superior thread strength, and the disc-valve design holds a secure head-gasket seal without retorquing.\u003c\/p\u003e\n\u003ch3\u003eCast Iron Cylinders\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/5550\/0318\/files\/emax-esp10v120v1-10-hp-120-gallon-air-compressor-cylinder.jpg?v=1781766052\" alt=\"Cast iron compressor cylinders with deep cooling fins\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe cylinders are CNC-machined cast iron with deep cooling fins to maximize cylinder cooling under high-duty-cycle operation. The precision bore holds concentricity to reduce oil carryover, deep-bored and threaded holes allow proper head torque, and every bore is precision-honed for easier break-in and longer ring life.\u003c\/p\u003e\n\u003ch3\u003eContinuous-Run Head Unloaders\u003c\/h3\u003e\n\u003cp\u003eHead unloaders are recommended for electric units running at 40% or higher duty cycle. They relieve the intake valve during operation, holding it open so the piston keeps cycling without compressing — this circulates cool air through the cylinder, reduces wear and heat, and protects the motor and magnetic starter by minimizing repeated starting under load.\u003c\/p\u003e\n\u003ch3\u003eDual-Bolt Belt Tensioner\u003c\/h3\u003e\n\u003cp\u003eA dual-bolt belt tensioner makes belt adjustment precise and repeatable, holding proper alignment and tension to reduce wear and extend belt life. Pry bars are no longer needed to tension the belts.\u003c\/p\u003e\n\u003ch3\u003ePump Riser\u003c\/h3\u003e\n\u003cp\u003eA pump-mounting-plate riser lifts the pump to allow 360-degree airflow from the flywheel across the oil reservoir and underneath the pump, for maximum cooling.\u003c\/p\u003e\n\u003ch3\u003eAutomatic Tank Drain\u003c\/h3\u003e\n\u003cp\u003eA dual-timer electric auto drain expels moisture and condensate from the receiver tank automatically, with an adjustable interval from 1 to 45 minutes and an adjustable open duration. An air muffler is included for quiet draining.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eEMAX ESP10V120V1 Specifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorsepower\u003c\/td\u003e\n\u003ctd\u003e10 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank Size\u003c\/td\u003e\n\u003ctd\u003e120 Gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank Orientation\u003c\/td\u003e\n\u003ctd\u003eVertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressor Type\u003c\/td\u003e\n\u003ctd\u003ePiston, Two-Stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Configuration\u003c\/td\u003e\n\u003ctd\u003eV4 (4-Cylinder)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Model\u003c\/td\u003e\n\u003ctd\u003eAPP4V1043TP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLubrication\u003c\/td\u003e\n\u003ctd\u003ePressure Lubricated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Delivery\u003c\/td\u003e\n\u003ctd\u003e38 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Delivery at Max PSI\u003c\/td\u003e\n\u003ctd\u003e34 CFM at 175 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Pressure\u003c\/td\u003e\n\u003ctd\u003e175 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e230V (±10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003eSingle-Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eODP (Open Drip-Proof)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor RPM\u003c\/td\u003e\n\u003ctd\u003e1,740\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump RPM\u003c\/td\u003e\n\u003ctd\u003e730\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuty Cycle\u003c\/td\u003e\n\u003ctd\u003e60%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Load Amps (1.15 Service Factor)\u003c\/td\u003e\n\u003ctd\u003e52.9 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Starting \/ Locked Rotor Amps\u003c\/td\u003e\n\u003ctd\u003e270 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Breaker\u003c\/td\u003e\n\u003ctd\u003e60 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic Starter\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Outlet Size\u003c\/td\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBelt Count\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBelt Tensioner\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Riser\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Run\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank Drain\u003c\/td\u003e\n\u003ctd\u003eAutomatic (Electric, Dual-Timer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil Capacity\u003c\/td\u003e\n\u003ctd\u003e2 Quarts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstimated Pump Life\u003c\/td\u003e\n\u003ctd\u003e70,000 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eETL, ASME, CRN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Kit\u003c\/td\u003e\n\u003ctd\u003eEFKIT008AWBS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUncrated Dimensions\u003c\/td\u003e\n\u003ctd\u003e44\" L x 31\" W x 80\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUncrated Weight\u003c\/td\u003e\n\u003ctd\u003e967 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrated Dimensions\u003c\/td\u003e\n\u003ctd\u003e48\" L x 46\" W x 87\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrated Weight\u003c\/td\u003e\n\u003ctd\u003e1,116 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cp\u003eThe ESP10V120V1 carries a \u003cstrong\u003e1-year standard warranty\u003c\/strong\u003e covering the compressor against defects in material, workmanship, and parts from the date of delivery, including one year of warranty labor from an authorized technician. Warranty parts ship with ground freight covered for the first six months.\u003c\/p\u003e\n\u003cp\u003eCoverage can be extended to a \u003cstrong\u003efull 5 years\u003c\/strong\u003e by registering the compressor and following the EMAX extended-warranty plan, which requires using EMAX SMART OIL and following the published maintenance schedule (break-in oil changed within the first 70 hours, then on the scheduled interval). The matching service kit for 5–10 HP Silent Air electric models is \u003cstrong\u003eEFKIT008AWBS\u003c\/strong\u003e (sold separately).\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eHow much air does it deliver, and at what pressure?\u003c\/h3\u003e\n\u003cp\u003eThe pump delivers 38 CFM, and 34 CFM at its 175 PSI maximum working pressure.\u003c\/p\u003e\n\u003ch3\u003eWhat electrical service does it need?\u003c\/h3\u003e\n\u003cp\u003eIt runs on 230V single-phase power, draws 52.9 full-load amps at a 1.15 service factor, and a 60-amp breaker is recommended. A magnetic starter is included.\u003c\/p\u003e\n\u003ch3\u003eCan it run continuously?\u003c\/h3\u003e\n\u003cp\u003eYes. The unit is rated for continuous run and supports automatic head unloaders, which are recommended for duty cycles of 40% or higher. Its rated duty cycle is 60%.\u003c\/p\u003e\n\u003ch3\u003eIs the pump cast iron or aluminum?\u003c\/h3\u003e\n\u003cp\u003eAll major pump components — crankcase, cylinder heads, cylinders, connecting rods, crankshaft, and high-pressure piston — are cast iron. Only the low-pressure pistons are aluminum, by design, because they operate under low stress.\u003c\/p\u003e\n\u003ch3\u003eHow is the pump lubricated?\u003c\/h3\u003e\n\u003cp\u003eIt uses pressure lubrication: a gear-driven oil pump feeds oil through rifle-drilled passages in the crankshaft and connecting rods, with an automotive-style spin-on filter and a liquid-filled oil pressure gauge.\u003c\/p\u003e\n\u003ch3\u003eWhat certifications does it carry?\u003c\/h3\u003e\n\u003cp\u003eThe compressor is ETL, ASME, and CRN certified.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis compressor ships freight on a pallet (approximately 1,116 lbs crated). To schedule delivery or ask about freight options, contact \u003ca href=\"mailto:sales@mygaragesupplies.com\"\u003esales@mygaragesupplies.com\u003c\/a\u003e or call \u003ca href=\"tel:+13073811810\"\u003e307-381-1810\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/5550\/0318\/files\/emax-esp10v120v1-10-hp-120-gallon-air-compressor-manual.pdf?v=1781766053\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ePiston Compressor Manual (PDF)\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/5550\/0318\/files\/emax-esp10v120v1-10-hp-120-gallon-air-compressor-warranty.pdf?v=1781766052\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWarranty Statement (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"EMAX Compressor","offers":[{"title":"Default Title","offer_id":59481070764318,"sku":"ESP10V120V1","price":6228.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/5550\/0318\/files\/emax-esp10v120v1-10-hp-120-gallon-air-compressor-hero.jpg?v=1781766052","url":"https:\/\/mygaragesupplies.com\/products\/emax-esp10v120v1-10-hp-120-gallon-air-compressor","provider":"My Garage Supplies","version":"1.0","type":"link"}