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| Customization: | Available |
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| Application: | Motor, Machinery, Agricultural Machinery, Industry |
| Hardness: | Hardened Tooth Surface |
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Introducing the ZQ Series Reducer: a masterpiece in engineering that stands as the epitome of reliability and efficiency. This cylindrical gear reducer is a versatile powerhouse, seamlessly integrated into a myriad of applications including hoisting machinery, conveying equipment, and mining machinery. Celebrated for its robust high load capacity, unwavering stability, and remarkable durability, the ZQ series is the trusted choice for diverse industrial operations. Its exceptional performance ensures your projects run smoothly, enhancing productivity and longevity across various industries.
1. High load capacity: Our Steel Mill Gear Reducer is engineered with a robust hard tooth surface gear design that confidently endures substantial loads, making it an ideal choice for demanding projects.
2. High transmission efficiency: The gear design has been meticulously optimized alongside precision machining to deliver unmatched power transmission efficiency, maximizing performance.
3. Smooth operation: Enjoy a remarkably low-noise and low-vibration experience, ensuring seamless and reliable operation over prolonged periods.
4. Compact structure: Its compact size and light weight facilitate easy installation and maintenance, offering convenience and flexibility in diverse settings.
5. Strong durability: Constructed with high-strength alloy steel, this gear reducer boasts exceptional durability and resilience, adapting effortlessly to even the harshest working environments.
The ZQ series reducer stands out as a high-performance cylindrical gear reducer, meticulously crafted for hoisting machinery and industrial equipment. Distinguished by its hard-flanked gear design and the use of high-strength alloy steel materials, it guarantees remarkable load carrying capacity and an extended service life. This series excels with high transmission efficiency, smooth operation, and a streamlined compact structure, making it a preferred choice in overhead cranes, gantry cranes, conveying equipment, and mining machinery. Revered for its high reliability and cost-effectiveness, the ZQ series reducers represent the pinnacle of choice for industrial equipment transmission systems.
Application
| Packaging | |
| Size | 500 (L) * 500 (W) * 400 (D) |
| Weight | 1.2T |
| Packaging Details |
The normal package is wooden box(Size:L*W*H). If export to european countries,the wooden box will be fumigated.If container is too tigher,we will use pe film for packing or pack it according to customers special request. |

Shape and Installation Size: Expertly crafted for seamless integration, our gear reducer boasts a design that harmonizes form with function, ensuring a flawless fit for your project needs.
| Model | Center distance | Center high |
Shape size | Shaft size | L1 | L2 | L3 | B4 | H1 | Installation size | Hole count | Maximum Weight (kg) |
||||||||||||||
| A | a1 | az | Ho | L | B | H | High Speed Shaft | Low Speed Shaft | δ | C | C1 | Hole distance |
aperture | |||||||||||||
| S1 | S2 | d | n | |||||||||||||||||||||||
| B1 | B2 | B3 | ||||||||||||||||||||||||
| 250 | 250 | 100 | 150 | 160-1 | ` | 230 | 325 | 200 | 220 | 164.5 | 345 | 101 | - | - | - | 20 | 60 | 28 | 235 | 190 | 17 | 4 | 100 | |||
| 350 | 350 | 150 | 200 | 200-1 | 730 | 290 | 405 | 260 | 250 | 214 | 470 | 132 | - | - | - | 25 | 100 | 40 | 310 | 250 | 17 | 4 | 200 | |||
| 400 | 400 | 150 | 250 | 250-1 | 826 | 310 | 490 | 270 | 300 | 234 | 490 | 133 | - | - | - | 25 | 110 | 80 | 370 | 270 | 17 | 4 | 250 | |||
| 500 | 500 | 200 | 300 | 300-1.5 | 986 | 350 | 590 | 330 | 325 | 270 | 620 | 148 | - | - | - | 25 | 130 | 80 | 240 | 310 | 17 | 6 | 390 | |||
| 650 | 650 | 250 | 400 | 320-1.5 | 1278 | 470 | 700 | 430 | 430 | 342 | 830 | 183 | 495 | 318 | 95 | 35 | 160 | 85 | 215 | 410 | 25 | 8 | 880 | |||
| 750 | 750 | 300 | 450 | 320-1.5 | 1448 | 510 | 745 | 450 | 450 | 362 | 1020 | 207 | 620 | 362 | 130 | 35 | 155 | 55 | 275 | 450 | 25 | 8 | 1100 | |||
| 850 | 850 | 350 | 500 | 400-1.5 | 1632 | 580 | 875 | 510 | 525 | 403 | 1100 | 236 | 610 | 418 | 105 | 40 | 155 | 75 | 300 | 520 | 32 | 8 | 1500 | |||
| 1000 | 1000 | 400 | 600 | 400-1.5 | 1896 | 660 | 965 | 550 | 605 | 507 | 1350 | 257 | 870 | 478 | 200 | 40 | 200 | 100 | 350 | 590 | 32 | 8 |
2230 | |||

ZQ Shaft Size: Meticulously engineered, our ZQ shaft size is designed to meet industry standards, providing the perfect balance of strength and adaptability.
| Model | High speed shaft | Low speed shaft | ||||||||||||||||||||||||
| Z | CA | |||||||||||||||||||||||||
| d1 | d2 | L1 | L2 | b1 | t1 | B1 | d3 | L3 | L4 | b2 | t2 | B2 | mn | D | D1 | D2 | D3 | L5 | L6 | E | B3 | B4 | B5 | |||
| 250 | 30 | 55 | 120 | 58 | 8 | 16 | 195 | 55 | 135 | 83 | 18 | 16 | 58.5 | 220 | 3 | 40 | 126 | 65 | 40 | 100 | 35 | 40 | 24.5 | 164 | 154.5 | 20 |
| 350 | 40 | 75 | 150 | 82 | 12 | 21.3 | 260 | 55 | 165 | 83 | 18 | 16 | 68.9 | 270 | 3 | 48 | 150 | 90 | 40 | 110 | 45 | 60 | 27 | 214 | 189.5 | 25 |
| 400 | 40 | 75 | 160 | 82 | 12 | 20.7 | 270 | 80 | 185 | 123 | 28 | 24 | 85 | 300 | 3 | 56 | 174 | 90 | 40 | 140 | 45 | 60 | 30 | 234 | 207.5 | 25 |
| 500 | 50 | 85 | 220 | 82 | 16 | 26.4 | 330 | 80 | 200 | 123 | 28 | 24 | 85 | 325 | 4 | 56 | 232 | 120 | 40 | 170 | 50 | 75 | 25 | 270 | 238.5 | 35 |
| 650 | 60 | 110 | 290 | 105 | 18 | 31.5 | 430 | 110 | 265 | 163 | 36 | 32 | 116.5 | 430 | 6 | 56 | 348 | 170 | 45 | 260 | 68 | 95 | 32 | 342 | 310 | 40 |
| 750 | 60 | 110 | 310 | 105 | 18 | 31.5 | 450 | 110 | 285 | 163 | 36 | 32 | 116.5 | 450 | 6 | 56 | 348 | 170 | 45 | 260 | 68 | 95 | 32 | 362 | 330 | 40 |
| 850 | 90 | 150 | 340 | 130 | 24 | 46.7 | 510 | 130 | 325 | 198 | 36 | 32 | 137.5 | 525 | 8 | 54 | 448 | 200 | 105 | 260 | 78 | 100 | 22 | 403 | 363 | 50 |
| 1000 | 90 | 150 | 380 | 130 | 24 | 46.7 | 550 | 150 | 365 | 240 | 40 | 36 | 158.5 | 605 | 10 | 48 | 500 | 200 | 90 | 320 | 98 | 126 | 45 | 507 | 442 | 60 |
Ratio: Experience optimized power distribution with our precise ratio specifications, tailored to enhance performance across diverse building applications.
| ZQ Ratio | |||||||||||
| Transmission ratio code | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||
| Ratio | 48.57 | 40.17 | 31.50 | 23.34 | 20.49 | 15.75 | 12.64 | 10.35 | 8.23 | ||
| Gear | High speed | 88 | 86 | 85 | 81 | 79 | 77 | 73 | 69 | 64 | |
| 11 | 13 | 14 | 18 | 20 | 22 | 26 | 30 | 35 | |||
| Low speed | 85 | 85 | 83 | 83 | 83 | 81 | 81 | 81 | 81 | ||
| 14 | 14 | 16 | 16 | 16 | 18 | 18 | 18 | 18 | |||
Founded in 1958, Shanxi Pingyao Reducer Co., Ltd., also known as Shanxi Pingyao Reducer Factory, stands as a beacon of excellence in the realm of reducers and electric rollers. With a rich legacy in research, development, manufacturing, and sales, our company not only meets but surpasses the industry's highest standards. We proudly boast a suite of prestigious certifications, including the ISO 9001 for quality management, ISO 14001 for environmental stewardship, and OHSAS 18001 for occupational health and safety. Our commitment to quality and safety is further underscored by the American API Association product certification and the national mining products coal mine safety mark certification. As a distinguished enterprise in China and a meritorious entity in Shanxi Province, our renowned 'Xinkai' trademark has been honored with the title of China Famous Trademark, reinforcing our stature in the industry.
Shanxi Pingyao Reducer Co., Ltd. stands at the forefront with a robust quality control framework, cutting-edge product development, and an unwavering commitment to technological innovation. Our meticulous testing systems and responsive after-sales services ensure excellence throughout the product lifecycle. We continually elevate our scientific research investments, refining both conditions and resources to foster innovation. Our remarkable product lineup includes the double arc herringbone gear reducer, ZDY, ZLY, ZSY hard tooth surface cylindrical gear reducers, DBY, DCY hard tooth surface conical cylindrical gear reducers, cycloidal pin wheel reducers, NGW planetary gear reducers, JS mining high-power reducers, plus an impressive collection of 20 series and over 3,000 specifications of reducers and electric rollers, ready to meet your diverse needs.
Our extensive array of reducers is pivotal to numerous industries, offering indispensable support to major sectors such as petroleum, metallurgy, chemical manufacturing, building materials, and beyond. From lifting and transportation to shipping and mining, our products are integral to operations. With a commanding presence across the nation, our reach extends to global markets, exporting to Europe, America, Southeast Asia, and numerous other regions.
Our business philosophy, 'gather the wisdom of employees, pursue customer satisfaction,' drives us towards excellence. We envision crafting China's premier products and establishing a world-renowned brand. Upholding core values of respect, tolerance, integrity, and rigor, the Xinkai corporate culture thrives, directing us towards an illustrious future.
Transitioning from a production-focused entity to a dynamic service-oriented industry, our company is on a remarkable journey with the '133' medium- and long-term strategic plan. '1' embodies a comprehensive approach encompassing micro manufacturing, micro service, and strategic foresight. The first '3' targets strategic market positioning: firstly, replacing imported reducers; secondly, bolstering export manufacturing; thirdly, delivering distinctive, differentiated products. The second '3' encapsulates our ambitious goals: firstly, to consistently achieve industry-leading product quality; secondly, to excel in operational and managerial excellence; and thirdly, to cultivate an environment where employee pride and happiness reach unparalleled heights.
Standard Warranty: Enjoy peace of mind with our comprehensive standard warranty that ensures your Steel Mill Gear Reducer is protected for a full 12 months or 2,000 operating hours—whichever milestone you reach first.
Extended Warranty: For those seeking additional security, we offer an extended warranty option that provides up to 24 months of coverage, allowing you to focus confidently on your building projects.
Global Support: Benefit from our unwavering commitment to excellence with 24/7 technical assistance and a robust supply of spare parts, accessible to you whenever and wherever you need them.
Training: Empower your team with our expert-led training sessions, available either on-site or remotely, to ensure seamless operation and maintenance of your gear reducer.