{"product_id":"3-7hp-air-compressor-motor-3450rpm-single-phase-reversible-shaft","title":"3.7HP Air Compressor Motor 3450RPM Single Phase - Reversible Shaft","description":"\u003cp\u003eIn this review the VEVOR 3.7HP air compressor motor is evaluated for technicians and DIYers who need a direct, high-speed replacement motor for stationary air compressors. The biggest reason to consider it is straightforward: it delivers a 3.7HP, 3450 RPM single phase design with a 5\/8' keyed shaft that fits many 56 frame compressor pumps and offers reversible rotation for easier wiring and installation. For users who want a budget-friendly, CSA-tested motor built from rolled steel, this motor answers the basic needs of repair and light industrial use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.7HP 3450 RPM:\u003c\/strong\u003e Provides a high-speed output suitable for many two-pole compressor pumps needing fast shaft rotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Phase 230V:\u003c\/strong\u003e Works on common 230V residential and workshop circuits while delivering 17.2A full load current for consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/8' Keyed Shaft:\u003c\/strong\u003e The 5\/8' keyed shaft with 1.88' length fits compatible compressor couplings for a direct swap without shaft modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Rotation Direction:\u003c\/strong\u003e Reversible CW\/CCW rotation simplifies wiring and lets installers match the pump rotation without mechanical changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen Drip-proof Steel Shell:\u003c\/strong\u003e Rolled steel housing with good heat dissipation is durable when used in clean, dry environments as intended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCSA Tested:\u003c\/strong\u003e Certification provides reassurance on safety and basic durability for workshop applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis motor is best for technicians, small shop owners, and experienced DIYers replacing or upgrading a 56 frame compressor motor that requires a 5\/8' keyed shaft and 3450 RPM speed. It is especially useful when a reversible rotation option is needed to match existing pump direction without extra mechanical work.\u003c\/p\u003e\n\u003cp\u003eIt is not ideal for applications exposed to heavy dust, moisture, or outdoor environments because the open drip-proof design needs clean, dry conditions. Buyers seeking ultra-long commercial duty runtimes or specialized industrial certifications should look at purpose-built industrial motors instead.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClear fitment for 56 frame pumps with a 5\/8' keyed shaft and 1.88' length for direct replacements.\u003c\/li\u003e\n\u003cli\u003eReversible CW\/CCW wiring reduces installation complexity and incompatibility with pump rotation.\u003c\/li\u003e\n\u003cli\u003eCompetitively priced while carrying CSA testing and a rolled steel shell for good heat dissipation.\u003c\/li\u003e\n\u003cli\u003eSingle phase 230V operation makes it usable in many residential and light commercial shops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report mixed long-term reliability and power endurance, so longevity may vary by operating conditions.\u003c\/li\u003e\n\u003cli\u003eOpen drip-proof construction limits use in dirty or wet environments compared with fully enclosed motors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Power\u003c\/td\u003e\n\u003ctd\u003e3.7HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e3450 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage \/ Amps\u003c\/td\u003e\n\u003ctd\u003e230V \/ 17.2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Type\u003c\/td\u003e\n\u003ctd\u003e56 Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft\u003c\/td\u003e\n\u003ctd\u003e5\/8' keyed, 1.88' length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotation\u003c\/td\u003e\n\u003ctd\u003eReversible CW \/ CCW (factory CCW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eOpen drip-proof, rolled steel shell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe VEVOR 3.7HP air compressor motor is a practical, value-focused replacement for 56 frame compressor pumps that need 3450 RPM and a 5\/8' keyed shaft; its reversible rotation and CSA testing make installation straightforward and reasonably safe. For clean workshop environments where cost and a direct fit are the priority, it represents good value, while users needing industrial duty life or weatherproofing should consider higher-spec alternatives.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this motor fit my 56 frame compressor pump?\u003c\/strong\u003e\u003cbr\u003eIt should fit pumps that accept a 56 frame motor with a 5\/8' keyed shaft and 1.88' shaft length, but confirm physical shaft and mounting dimensions before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the rotation direction be changed on site?\u003c\/strong\u003e\u003cbr\u003eYes, the motor is reversible for CW or CCW rotation and the factory setting is CCW to simplify matching pump requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this motor suitable for outdoor or dirty workshop use?\u003c\/strong\u003e\u003cbr\u003eNo, the open drip-proof design recommends use in clean, dry environments; exposure to heavy dust or moisture can shorten service life.\u003c\/p\u003e","brand":"VEVOR","offers":[{"title":"Default Title","offer_id":48261344657627,"sku":"B0CNGG9CFD","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71lf4ihhGPL._SL1500.jpg?v=1776356563","url":"https:\/\/gearmusthave.com\/products\/3-7hp-air-compressor-motor-3450rpm-single-phase-reversible-shaft","provider":"GearMustHave","version":"1.0","type":"link"}