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A single, portable washer powered from a 12 V source is all I need to keep my car, motorcycle and even the occasional bicycle spotless at home and on road trips. The goal is to combine genuine high-pressure performance with true grab-and-go portability and fuss-free operation. Power & performance • Runs from a 12 V car battery or a small lithium pack without tripping fuses or draining the cell too quickly. • Delivers enough real pressure to lift grit and road film—think well above the gentle garden-hose mist many “12 V washers” offer. • Compact pump-and-gun layout that packs easily in the trunk next to standard detailing gear. User experience The unit should prime quickly, connect to any small water container, and be ready to spray in seconds. Hose, trigger and nozzle changes must be quick-connect; no tools once the kit is built. Overall weight needs to stay light enough for one-handed carry between vehicles. What I need from you Please take the concept from idea to a ready-to-assemble kit: 1. Engineering package: • Pump and motor selection with flow/pressure calculations • Power circuit or battery module sizing • Any CAD or enclosure drawings (STEP or STL) 2. Sourcing sheet: links and current prices for every off-the-shelf part, plus alternate suppliers in case of stock issues. 3. Assembly & use guide: step-by-step build photos or renders, wiring diagram, safety notes and a quick-start page so anyone in the family can operate it. Acceptance will be based on: • Demonstrated pressure and flow targets in your calculations or test video • All components purchasable online today • Clear, reproducible instructions that a hobbyist can follow without special tools If you already have experience with small DC pumps, pressure-regulating nozzles, or battery-powered detailing tools, your insight will make this project smoother, but creative new ideas are welcome so long as they keep the washer powerful, portable and easy to use.
Project ID: 40661889
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54 freelancers are bidding on average $442 USD for this job

As an Electrical Engineer with a specific emphasis on Embedded Systems, I am uniquely suited to handle the complex task of engineering a Compact 12V High-Pressure Washer from scratch. My expertise extends beyond mere surface-level knowledge to include a deep understanding of the intricate interplay between hardware and software necessary for successful IoT implementation. These very same skills are what will enable us to integrate a portable design that runs efficiently on both 12V car batteries and small lithium packs, guaranteeing longevity and practicality without compromising power or user convenience. My holistic approach to product design ensures every aspect is thought through, down to the last detail. This includes not only the Engineering package with detailed calculations for the pump, motor selection, flow/pressure rates, and power circuits/battery module sizing but also comprehensive CAD drawings for clear visualization of the final product. I can source all necessary parts within budget and ensure they are easily procurable online. But perhaps most importantly, I have a wealth of experience in converting abstract ideas into tangible products, following stringent timeframes whilst maintaining quality work.
$750 USD in 15 days
8.4
8.4

With extensive skills in 3D Design, 3D Modelling, Product Design, and Prototyping, I can give tangible shape to your concept of a Compact 12V High-Pressure Washer. Being an experienced Creative Designer and Animator, I bring a fresh perspective while adhering to the underlying need of portability and high performance. My engineering expertise ensures that we choose the right pump-motor combination with detailed flow and pressure calculations to achieve the water pressure goal you desire. Moreover, my proficiency with modern AI tools not only streamlines our workflow but also gives us an edge in making strategic sourcing decisions. I can provide you with a comprehensive sourcing sheet packed with links and updated prices for all off-the-shelf parts, along with viable alternatives from reliable suppliers. Assisting you through conceptualization to ready-to-assembly kit preparation, I guarantee clear, reproducible instructions that even a novice hobbyist can follow without special tools. As you demand demonstrated pressure and flow targets along with easily purchasable components and I believe they are crucial benchmarks for your project's success. My commitment to these standards combined with my competitive pricing will offer you exemplary services without compromising quality; an essential aspect of every project. Let's collaborate to make this compact high-pressure washer more than just visualization; let's make it a reality for car owners like yourself "
$260 USD in 2 days
7.5
7.5

As an engineer and CAD designer with a clear penchant for precision and innovation, I'm uniquely positioned to bring your vision of a compact, high-pressure washer to life. My expertise in 3D modelling and engineering drawing using software like SolidWorks, AutoCAD, Tekla, and Blender will ensure we're on the right track from the start. I understand the importance of sourcing for off-the-shelf parts and alternate suppliers to guarantee smooth manufacturing process and user experience. My work is always geared towards manufacturing-ready designs, as witnessed through my wide range of engineering drawings. Being conversant with a plethora of design software such as Revit and SketchUp also sets me apart for this project, where I can create both accurate engineering plans and visually stunning presentations of the final product. My understanding of electrical engineering and experience working with small DC pumps aligns perfectly with what you need for a 12V power washing device (but creative new ideas are certainly welcome). Plus, I have a bachelor's degree in Mechanical Engineering that further lends itself to this project.
$266 USD in 1 day
7.6
7.6

With my extensive skillset in electrical engineering, engineering drawing, and product design, I am confident that I can take your idea for a Compact 12V High-Pressure Washer from concept to a ready-to-assemble kit. My experience in digital motor control, analog design, electronic design, and power electronics aligns perfectly with the requirements of this project. Throughout my career, I have developed prime pressure systems and circuits that are both efficient and powerful. This ensures that the washer I will design for you from pump-and-gun layout to its priming efficiency will meet your expectations. Moreover, my familiarity with several types of motors including DC motors fits well within your need for a portable 12V power supply. I also have extensive knowledge in sourcing off-the-shelf parts, calculating flow and pressure targets, and maintaining clear and reproducible instructions. My commitment to delivering a high-quality, easy-to-use solution that meets your needs while remaining portable is unwavering. My ability to get creative yet adhere strictly to briefs makes me an ideal candidate for your project as it would help me explore even further possibilities while delivering impressive results. It's time to turn your car washing experience into something more convenient, and with my skills in product development combined with our shared goal for this project - it will be a job done exceptionally well. So let's make this happen together!
$250 USD in 12 days
7.4
7.4

Hi, I’d be happy to work on this portable 12V pressure washer concept. I have 10+ years of experience in electronics, power systems, embedded hardware, and product development. I can handle the pump/motor selection, pressure and flow calculations, 12V power design, battery sizing, protection circuitry, and compact system architecture. I can also prepare the CAD/enclosure design, complete BOM with sourcing options, wiring diagram, assembly instructions, and safety documentation. I’ll focus on achieving a practical balance between real cleaning pressure, water flow, battery life, weight, and portability, rather than relying only on advertised pump ratings. I’m comfortable designing the system around readily available off-the-shelf components and can provide a clear, reproducible design suitable for prototyping and further production. I’m ready to review your target pressure/flow requirements and start the engineering work.
$500 USD in 7 days
6.8
6.8

Hi I have a solid background in Electrical Engineering, specifically in areas that align with your project needs: Embedded Systems & Firmware Development, IoT Solutions, PCB Design & Hardware Engineering, Industrial Automation & PLC Systems, and VMware Virtualization & Enterprise Infrastructure. With hands-on experience in pressure-regulating nozzles and battery-powered detailing tools albeit on a larger scale – I understand the complexities of designing a high-pressure washer that meets all your requirements while staying within the limitations of a 12V system. My clients choose me because I bring end-to-end engineering expertise and a detailed approach to every project. I don't just provide you with an assembly guide; I make sure it's a clear and reproducible one that even a hobbyist in your family can follow without any special tools. This aligns perfectly with your needs for an easy-to-assemble kit. Moreover, as an active communicator, you can expect regular updates and transparent collaboration from me throughout the project lifecycle. Let's team up and create a ready-to-assemble kit for youone that is powerful but not just limited to its performance. I'm excited about the prospect of incorporating creative new ideas to add value to what you already have in mind while ensuring your compact 12V high-pressure washer lives up to its promises of portability and fuss-free operation.
$250 USD in 3 days
6.7
6.7

With your 12V high-pressure washer project, my skills as a Senior Mechanical Engineer are perfectly aligned to provide the comprehensive solutions you need. Over the past 14 years, I've gained a wealth of experience in mechanical and product design using SolidWorks, and I'm confident that I can engineer a portable, high-performing device that meets all your specifications. Drawing on my extensive experience with structural FEA and design validation in ANSYS/SolidWorks Simulation, I'll be able to select the right pump and motor combination for optimal flow and pressure targeting your specific needs. In addition to these, my skill in DFM will ensure that all components for the washer are purchasable online currently, minimizing potential sourcing issues. What sets me apart is not just my technical expertise, but also my commitment to clear communication and proactive management. Through concise documentation and early warnings of any technical risks, I will keep you informed every step of the way. My aim is to provide you with a ready-to-assemble kit that is powerful, portable, and easy to use - one that exceeds your expectations and ensures lasting satisfaction.
$500 USD in 7 days
6.6
6.6

Hello, I am a Mechanical Design Engineer with extensive experience developing products from concept through manufacturing. My background includes robotics, automation systems, lifting mechanisms, consumer products, machine design, structural analysis, and prototype development. Previous projects include robotic arms, delivery robots, automated machinery, lifting systems, drone mechanisms, wearable devices, vehicle accessories, medical devices, and custom electromechanical products. I can support your project with: ✓ Concept development and mechanism design ✓ 3D CAD modeling (SolidWorks / Fusion 360) ✓ Manufacturing drawings and documentation ✓ Design for Manufacturing (DFM) ✓ FEA simulation and validation (ANSYS / COMSOL) ✓ Prototype preparation for CNC machining and 3D printing I also operate with manufacturing support capabilities for CNC machining and 3D printing, allowing designs to be developed with practical production constraints in mind. Please send the project details and I can review feasibility, expected challenges, and the best development approach before we begin. Portfolio and reviews: http://www.freelancer.com/u/ENG1mga Best regards, Mahmoud
$250 USD in 1 day
6.9
6.9

As an experienced 3D designer and draftsman, I have the skills to fully develop and bring your vision of a portable high-pressure washer to fruition. My proficiency in programs such as SolidWorks, SketchUp, AutoCAD, and CATIA ensures that I can create detailed designs and 3D models for every aspect of the washer - from the pump and motor selection to the battery powering circuit. Additionally, I am well-versed in sourcing materials and providing alternate suppliers' options, skills that will assist with assembling a user-friendly yet high-performing kit that meets your specifications. Furthermore, my broad experience designing residential and commercial spaces emphasizes user experience, an essential quality for this project. I understand the importance of ease-of-use and portability while maintaining powerful performance.
$254 USD in 1 day
6.4
6.4

We are a team of electrical and mechanical engineers with extensive experience in functional prototyping. We can design and deliver a fully functional, high-pressure 12V DC washer prototype tailored to your exact specifications. Our team will handle the complete engineering package—including pump/flow calculations, battery module sizing, and 3D CAD models (STEP/STL). We will also supply a complete BOM with active sourcing links/pricing, a clear wiring diagram, and a step-by-step assembly guide for easy tool-free operation. We look forward to delivering a robust, portable detailing solution for your cars, bikes, and road trips.
$500 USD in 15 days
6.5
6.5

Hello, I am excited about the opportunity to design a compact 12V high-pressure washer that combines genuine high-pressure performance with true grab-and-go portability. I will carefully select the pump and motor, size the power circuit or battery module, and provide detailed CAD drawings for the enclosure in order to create a ready-to-assemble kit. The sourcing sheet will include links to all off-the-shelf parts and alternate suppliers. Additionally, I will create a comprehensive assembly and use guide with step-by-step instructions and safety notes for easy operation by anyone in the family. Please have a look at our Freelancer portfolio through the links given below. https://www.freelancer.com/u/CreativeDesign50 Best regards, Kirandeep K.
$250 USD in 1 day
6.6
6.6

Hello, I am Muhammad Javed, a mechanical/product design engineer with more than 10 years of experience in portable equipment, DC-powered systems, CAD development, and manufacturable product design. I can take your 12 V portable pressure washer from concept through a complete ready-to-assemble engineering package. I will select and size the DC motor/pump based on the required pressure, flow rate, duty cycle, and 12 V power limitations, while balancing performance against battery runtime and portability. I can also develop the power/battery architecture, protection components, pressure regulation, quick-connect system, hose/nozzle arrangement, and compact enclosure. I will provide accurate CAD models and enclosure/assembly drawings in STEP/STL, along with a complete BOM and sourcing sheet covering current online suppliers, prices, specifications, and alternative parts. The final package can include an easy-to-follow assembly guide, wiring diagram, safety instructions, operating procedure, and quick-start page suitable for a hobbyist without specialist tools. I will focus specifically on achieving genuine cleaning pressure while keeping the unit lightweight, compact, reliable, and practical for car, motorcycle, and bicycle detailing. Where required, I can also support prototype testing and verification of pressure, flow, current consumption, and battery runtime. I am ready to develop this into a practical, reproducible product rather than just a conceptual design.
$500 USD in 7 days
6.1
6.1

Hello, Vutuk Design and Media is a specialized product design and engineering studio led by Ashraf Ali Shaikh, a senior mechanical design engineer with 15 years of industry experience. We provide end-to-end mechanical engineering, enclosure development, thermal/fluid analysis, and production visualization for consumer and industrial products. To establish a clear technical foundation for this high-pressure washer: What are the key performance specs required, such as working pressure, power source, and duty cycle? Is the housing intended for injection-molded plastic enclosure panels, and do you require moldability/draft analysis? Should we integrate specific accessories into the compact body (e.g., hose reel, quick-connect nozzle storage, detergent tank)? Will you require FEA structural stress verification or CFD internal fluid flow analysis for the system? We provide comprehensive SolidWorks CAD assemblies, manufacturing-ready 2D drawings, BOMs, and high-quality 3D visual renders for marketing. We invite you to visit our profile page to explore our studio portfolio and capabilities. Looking forward to collaborating!
$500 USD in 7 days
5.6
5.6

As an adaptable and experienced freelancer, I believe my skills in electrical and mechanical engineering coupled with my extensive knowledge in 3D design and modelling make me the ideal candidate for your compact high-pressure washer project. Though relatively new to this platform, you can trust that the expertise I've cultivated over time in delivering precise engineering packages, proficient sourcing sheets, and meticulous assembly guides will be indispensable here. With sound command of software such as SolidWorks, Altium, and Eagle – tools that can help actualize conceptualized ideas – I'm confident not only that we can meet your projected pressure and flow targets but also this lassen the product sourcing process since I am accustomed to working with products continually purchasable online. My priority during the assembly process will be ensuring comprehensive yet easy-to-follow instructions that anyone will understand without needing special tools. To optimize portability and performance, I will put my mechanical skills into play. I'm conversant with choosing the right pump, motor, battery modules, and pressure-regulating nozzles to ensure efficacy while keeping power consumption to a minimum. In addition to all these reasons why I am perfect for this project, you'll get creativity at work — innovative ideas to assemble a genuinely powerful, portable high-pressure washer that delivers truly fuss-free operation for your cleaning needs
$252 USD in 2 days
5.3
5.3

Hi The real challenge here is not finding a 12 V pump that advertises a big PSI number. It is building a washer that actually delivers useful cleaning pressure without excessive current draw, poor flow, overheating, weak runtime or a bulky setup that defeats the purpose of portability. That is exactly where I can help! I will engineer the system around the real balance between pressure, flow, current, runtime, weight and portability, then select the pump, motor, battery architecture, protection, hose, trigger and nozzle accordingly. After that I will develop the compact CAD layout, complete sourcing sheet with alternatives, wiring diagram, assembly guide and quick-start documentation. The goal is simple: not a concept that only looks good on paper, but a practical ready-to-assemble washer that performs properly from a 12 V source and can be reproduced without special tools. If you already have a preferred pressure target or battery size, I can start from that. Otherwise I can define the best performance target from the intended car, motorcycle and bicycle use.
$475 USD in 7 days
5.3
5.3

Hi, I have reviewed your attached reference images. I am ready to take your compact 12V high-pressure washer from concept to a ready-to-assemble kit, covering pump/motor selection, power circuit sizing, and enclosure CAD design. All work will follow IEC 60335 for electrical safety and ISO 9001 for quality management, ensuring a reliable, safe, and production-ready design. Project Deliverables: Pump and motor selection with flow/pressure calculations Power circuit or battery module sizing CAD enclosure drawings Sourcing sheet Assembly and use guide Could you please clarify: Q: Do you have any specific flow rate or pressure targets in mind for the washer? Q: Should the power source be optimized for a 12V car battery, or do you prefer a lithium battery pack? Over 5 years of combined mechanical and electrical engineering experience, specializing in small DC pump/motor sizing, battery-powered product design, and compact enclosure CAD for portable consumer devices. Similar projects I have completed: Portable 12V DC Pump System Design with Enclosure CAD and Sourcing Package Battery-Powered Detailing Tool Engineering Package with Wiring Diagram and Assembly Guide Software I can use: SolidWorks AutoCAD Electrical My portfolio is attached below. I am ready to start immediately and look forward to your target pressure/flow specifications. Thank you! Warm regards, Abubakar
$500 USD in 7 days
5.1
5.1

With 5+ years of experience in mechanical design, DC power systems, and product development, I can take your portable 12 V car/motorcycle washer from concept through a complete, ready-to-assemble engineering package. My approach will focus on balancing real cleaning performance, battery runtime, compact size, weight, and component availability. I will evaluate suitable 12 V DC pump/motor options, calculate realistic pressure and flow performance, size the wiring and battery/power protection appropriately, and design the hose, quick-connect, trigger, and nozzle arrangement for simple operation. Deliverables: Pump and motor selection with pressure, flow, power, and runtime calculations 12 V power circuit/battery sizing with fuse and protection recommendations CAD model and enclosure/component-layout drawings in STEP/STL where required Complete sourcing sheet with current online component options, prices, and alternatives Hose, trigger, nozzle, and water-container connection specifications Wiring diagram and assembly instructions Step-by-step assembly renders/images Safety notes and a simple quick-start operating guide I will also ensure the design accounts for practical issues such as pump priming, dry-run protection, voltage drop, current draw, thermal limits, splash resistance, and quick-connect compatibility. Best Regards, Bilal
$250 USD in 3 days
4.1
4.1

High-pressure washers often struggle with balance: power versus portability. If the pump can't deliver enough pressure, users end up frustrated, wasting time and water. A weak performance could mean a muddy car or a dirty bike after a long ride—definitely not the goal. I’d start with pump and motor selection, focusing on flow and pressure calculations to ensure it meets your needs without draining the battery quickly. Quick-connect features for hoses and nozzles will streamline user experience, making it easy for anyone to use right away. I’ve worked on similar projects where precision in engineering and user experience were key. Regular revisions ensure we fine-tune the design to meet your exact specifications. What’s your ideal timeline for this project? Do you have any specific components in mind already?
$350 USD in 7 days
3.6
3.6

Hello, The key challenge is achieving genuine pressure and useful flow from a 12 V system without making the washer bulky or creating excessive current draw. Pump selection, motor sizing, battery capacity, pressure regulation, hose connections, and thermal limits all need to be balanced around the portability target. I’d select and size the pump/motor first, validate the expected pressure and flow, then design the compact enclosure and prepare the BOM, wiring diagram, CAD, and assembly guide around readily available components. Do you already have a target pressure and runtime per charge in mind?
$250 USD in 1 day
3.7
3.7

Thank you for sharing the concept and reference images. I can help turn this into a ready-to-assemble 12V compact washer kit with a practical engineering package, sourcing list, and clear build documentation. I’ll focus on balancing real cleaning pressure with portability, quick priming, simple quick-connect operation, and safe 12V power delivery from either a car battery or compact lithium pack. The deliverables can include pump and motor selection, flow/pressure calculations, power sizing, enclosure or CAD-ready layout, and a parts sheet with current suppliers and alternates. I’ll also structure the assembly guide so a hobbyist can follow it without special tools, including wiring guidance, safety notes, and a concise quick-start sheet for easy family use. The goal will be a build that is genuinely portable, easy to assemble, and capable of delivering meaningful spray performance for cars, motorcycles, and bikes. I can start by mapping the best compact pump architecture and selecting components that are actually available to purchase online today.
$650 USD in 8 days
2.6
2.6

Abu Dhabi, United Arab Emirates
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