1. تعارف
This manual provides comprehensive instructions for the safe operation, maintenance, and troubleshooting of your DuroMax XP18HPX 439cc Dual Fuel Engine. This powerful 4-stroke OHV engine is designed for various heavy-duty applications, offering the flexibility of running on either gasoline or propane. Please read this manual thoroughly before operating the engine to ensure proper use and to prevent injury or damage.
The DuroMax XP18HPX features a 439cc engine displacement, a 1-inch shaft, and convenient starting options including both electric key start and an E-Z pull recoil starter. It is equipped with a 1.4-gallon fuel tank for gasoline and includes a propane hookup for extended runtimes and fuel versatility. This engine is EPA and CARB approved.
2. حفاظت جي ڄاڻ
خبردار: انهن حفاظتي هدايتن تي عمل ڪرڻ ۾ ناڪامي سنگين زخمي يا موت جو سبب بڻجي سگهي ٿي.
- ڪاربن مونو آڪسائيڊ جو خطرو: Engine exhaust contains carbon monoxide, a colorless, odorless, poisonous gas. Operate the engine only in well-ventilated outdoor areas. Never operate indoors or in enclosed spaces.
- باهه جو خطرو: Gasoline and propane are highly flammable. Store fuel in approved containers away from ignition sources. Refuel in a well-ventilated area with the engine off and cooled. Do not smoke while refueling.
- گرم سطحون: The engine and muffler become very hot during operation and remain hot for some time after shutdown. Avoid contact to prevent burns.
- حرڪت وارا حصا: Keep hands, feet, hair, and clothing away from moving parts such as the flywheel and shaft to prevent entanglement.
- برقي جھٽڪو: Ensure all electrical connections are secure and insulated. Do not operate the engine in wet conditions.
- اکين جي حفاظت: انجن هلائڻ يا سروس ڪرڻ وقت هميشه مناسب اکين جي حفاظت پائڻ.
- ٻار ۽ پالتو جانور: Keep children and pets away from the engine during operation and while it is cooling down.
3. اجزاء اوورview
Familiarize yourself with the key components of your DuroMax XP18HPX engine.

تصوير 3.1: مٿانview of the DuroMax XP18HPX 439cc Dual Fuel Engine. This image displays the main body of the engine, highlighting its blue and black components, including the air filter housing and fuel tank.

تصوير 3.2: Close-up of the electric key start mechanism on the DuroMax XP18HPX engine. This shows the ignition switch and circuit breaker, essential for electric starting.
- ايئر فلٽر: انجن کي مٽي ۽ ملبي کان بچائيندو آهي.
- Fuel Tank (Gasoline): Holds up to 1.4 gallons of gasoline.
- Propane Inlet: Connection point for propane fuel supply.
- ريڪول اسٽارٽر: دستي پل-اسٽارٽ ميڪانيزم.
- Electric Start Key Switch: For convenient electric starting.
- چوڪ ليور: ٿڌي انجڻ شروع ڪرڻ لاءِ استعمال ٿيندو آهي.
- Fuel Shut-off Valve: Controls gasoline flow to the carburetor.
- تيل ڀرڻ واري ڪيپ/ڊپ اسٽڪ: For adding and checking engine oil.
- اسپارڪ پلگ: ٻارڻ ۽ هوا جي ميلاپ کي باهه ڏئي ٿو.
- مفلر: انجن جي شور کي گھٽائي ٿو ۽ خارج ٿيندڙ گيسن کي سڌو ڪري ٿو.
4. سيٽ اپ
4.1 پيڪنگ ۽ چڪاس
Carefully remove the engine from its packaging. Inspect for any shipping damage. Report any damage to your dealer immediately.
4.2 انجڻ جو تيل شامل ڪرڻ
The engine is shipped without oil. Operating without sufficient oil will cause severe engine damage and void the warranty.
- انجڻ کي سطح جي سطح تي رکو.
- تيل ڀرڻ واري ڪيپ/ڊپ اسٽڪ کي هٽايو.
- Add 10W-30 engine oil (approximately 1.1 quarts) until the oil level reaches the upper limit on the dipstick. Do not overfill.
- آئل فل ڪيپ/ڊپ اسٽڪ کي محفوظ طريقي سان تبديل ڪريو.
4.3 Connecting the Battery (for Electric Start)
If using the electric start feature, connect a 12V battery (not included) to the engine's battery terminals. Ensure correct polarity: positive (+) to positive, negative (-) to negative.
4.4 Fueling the Engine
The XP18HPX is a dual fuel engine, capable of running on gasoline or propane.

تصوير 4.1: The DuroMax XP18HPX engine positioned next to a propane tank, illustrating its dual fuel capability. This setup allows the engine to operate on either gasoline or propane.
4.4.1 Gasoline Operation
- Ensure the engine is off and cooled.
- ٻارڻ جي ٽانڪي ڪيپ کوليو.
- Fill the tank with fresh, unleaded gasoline (minimum 87 octane). Do not overfill; leave space for fuel expansion.
- ايندھن جي ٽانڪي جي ڪيپ کي محفوظ طور تي تبديل ڪريو.
4.4.2 Propane Operation

تصوير 4.2: A propane hose with a regulator, indicating its use for connecting the DuroMax XP18HPX engine to an external propane tank. The propane tank is not included with the engine.
- Connect the provided propane hose and regulator to a standard propane tank.
- Connect the other end of the hose to the engine's propane inlet.
- پڪ ڪريو ته سڀئي ڪنيڪشن تنگ آهن ته جيئن ليڪ نه ٿئي.
5. آپريٽنگ هدايتون
5.1 Pre-Start Checks
- انجڻ جي تيل جي سطح چيڪ ڪريو.
- Ensure adequate fuel (gasoline or propane) is available.
- پڪ ڪريو ته سڀئي ڪنيڪشن محفوظ آهن.
- پڪ ڪريو ته انجن هڪ سطح جي سطح تي آهي.
5.2 انجڻ شروع ڪرڻ
5.2.1 Starting with Gasoline (Recoil or Electric)
- Turn the fuel shut-off valve to the 'ON' position.
- چوڪ ليور کي 'چوڪ' پوزيشن تي منتقل ڪريو (ٿڌي شروعات لاءِ).
- انجن جي سوئچ کي 'آن' تي سيٽ ڪريو.
- For Recoil Start: ريڪوئل اسٽارٽر هينڊل کي آهستي آهستي ڇڪيو جيستائين مزاحمت محسوس نه ٿئي، پوءِ جلدي ۽ مضبوطيءَ سان ڇڪيو. انجڻ شروع ٿيڻ تائين ورجايو.
- اليڪٽرڪ اسٽارٽ لاءِ: Insert the key into the ignition switch and turn it to the 'START' position. Release the key once the engine starts.
- هڪ ڀيرو انجڻ شروع ٿئي، آهستي آهستي چوڪ ليور کي 'رن' پوزيشن ڏانهن منتقل ڪريو جيئن انجڻ گرم ٿئي.
5.2.2 Starting with Propane (Recoil or Electric)
- Ensure the gasoline fuel shut-off valve is in the 'OFF' position.
- پروپين ٽينڪ تي والو کوليو.
- چوڪ ليور کي 'چوڪ' پوزيشن تي منتقل ڪريو (ٿڌي شروعات لاءِ).
- انجن جي سوئچ کي 'آن' تي سيٽ ڪريو.
- For Recoil Start: ريڪوئل اسٽارٽر هينڊل کي آهستي آهستي ڇڪيو جيستائين مزاحمت محسوس نه ٿئي، پوءِ جلدي ۽ مضبوطيءَ سان ڇڪيو. انجڻ شروع ٿيڻ تائين ورجايو.
- اليڪٽرڪ اسٽارٽ لاءِ: Insert the key into the ignition switch and turn it to the 'START' position. Release the key once the engine starts.
- هڪ ڀيرو انجڻ شروع ٿئي، آهستي آهستي چوڪ ليور کي 'رن' پوزيشن ڏانهن منتقل ڪريو جيئن انجڻ گرم ٿئي.
5.3 انجڻ کي روڪڻ
- If running on gasoline, turn the fuel shut-off valve to the 'OFF' position and allow the engine to run until it runs out of fuel. This helps prevent carburetor issues.
- If running on propane, close the valve on the propane tank.
- انجن جي سوئچ کي 'آف' پوزيشن ۾ ڦيرايو.
6. سار سنڀال
Regular maintenance is crucial for the longevity and optimal performance of your engine. Always perform maintenance with the engine off and cooled.
6.1 سار سنڀال جو شيڊول
| خدمت جو سامان | هر استعمال | هر 25 ڪلاڪن / مهيني ۾ | هر 100 ڪلاڪن ۾ / ساليانو |
|---|---|---|---|
| انجڻ جي تيل جي سطح چيڪ ڪريو | ✓ | ||
| صاف ايئر فلٽر | ✓ | ||
| انجڻ جو تيل تبديل ڪريو | ✓ | ||
| اسپارڪ پلگ جو معائنو ڪريو | ✓ | ||
| Inspect Fuel Lines | ✓ |
6.2 تيل جي تبديلي جو طريقو
- تيل کي گرم ڪرڻ لاءِ انجن کي ڪجهه منٽن لاءِ هلايو، پوءِ ان کي بند ڪريو.
- تيل جي نيڪال واري پلگ هيٺان هڪ مناسب ڪنٽينر رکو.
- آئل فل ڪيپ/ڊپ اسٽڪ ۽ آئل ڊرين پلگ هٽايو.
- تيل کي مڪمل طور تي ختم ڪرڻ جي اجازت ڏيو.
- آئل ڊيل پلگ کي تبديل ڪريو ۽ ان کي محفوظ طور تي مضبوط ڪريو.
- Refill with recommended oil (10W-30) to the upper limit on the dipstick.
- آئل فل ڪيپ/ڊپ اسٽڪ کي تبديل ڪريو.
6.3 ايئر فلٽر جي سار سنڀال
The air cleaner is a dual, semi-dry, oil bath type. Clean or replace the air filter element regularly, especially in dusty conditions.
- ايئر فلٽر جي ڍڪ کي هٽايو.
- فوم ۽ ڪاغذ جي عنصرن کي هٽايو.
- Wash the foam element in warm, soapy water, rinse, and allow to air dry completely. Lightly oil the foam element with engine oil and squeeze out excess.
- Clean the paper element by tapping it gently or using compressed air from the inside out. Do not wash. Replace if heavily soiled or damaged.
- Reassemble the air filter components and cover.
7. مسئلا حل ڪرڻ
This section provides solutions for common issues you might encounter with your DuroMax XP18HPX engine.
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| انجڻ شروع نه ٿيندو | ڪو به ٻارڻ نه (پيٽرول يا پروپين) | Add fuel, open fuel valve/propane tank valve. |
| انجڻ بند ڪريو | انجڻ جي سوئچ کي آن ڪريو. | |
| غلط پوزيشن ۾ ڇڪيو | Adjust choke for cold or warm start. | |
| گھٽ انجڻ جو تيل | Add engine oil to correct level. | |
| اسپارڪ پلگ خراب يا خراب آهي | اسپارڪ پلگ کي صاف يا تبديل ڪريو. | |
| انجڻ ناقص هلندي آهي | Stale or incorrect fuel | Drain fuel and refill with fresh, correct fuel. |
| گندي ايئر فلٽر | ايئر فلٽر کي صاف يا تبديل ڪريو. | |
| Spark plug gap incorrect | Adjust spark plug gap. | |
| Electric start not working | بيٽري ختم يا ڪمزور | بيٽري کي چارج يا تبديل ڪريو. |
| بيٽري ڪنيڪشن ختم ڪريو | Tighten battery terminals. |
If problems persist after attempting these solutions, please contact DuroMax customer support.
8. وضاحتون
Detailed technical specifications for the DuroMax XP18HPX engine.

تصوير 8.1: Graphic illustrating key features and specifications of the DuroMax XP18HPX engine, including displacement, shaft size, and fuel tank capacity.
| تفصيل | قدر |
|---|---|
| انجڻ جو قسم | 4-Stroke OHV Forced-Air |
| بي گھر ٿيڻ | 439 سي |
| بور x اسٽروڪ | 92mm x 66mm |
| وڌ ۾ وڌ | 38.5 N•m @ 2500 rpm |
| شافٽ جي ماپ | 1" Diameter, 2.84" Long, 1/4" Keyway |
| ٻارڻ جو قسم | Gasoline (87+ Octane), Liquefied Petroleum Gas (Propane) |
| Gasoline Fuel Tank Capacity | 1.4 گيلن |
| تيل جو قسم | 10W-30 |
| شروعاتي سسٽم | Electric Key Start, E-Z Pull Recoil Start |
| ايئر صاف ڪندڙ | Dual, semi-dry, oil bath |
| پيداوار جي ماپ (L x W x H) | 19.29 x 13.98 x 18.11 انچ |
| شيءِ جو وزن | 74.3 پائونڊ |
| اخراج جي تعميل | EPA and CARB Approved |
9. وارنٽي ۽ سپورٽ
DuroMax products are backed by a manufacturer's warranty. For specific warranty details, registration, or technical support, please refer to the warranty card included with your product or visit the official DuroMax website. When contacting support, please have your model number (XP18HPX) and serial number available.
وڌيڪ مدد لاءِ، توهان دورو ڪري سگهو ٿا DuroMax Store on Amazon يا سندن سرڪاري webسائيٽ.





