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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 marvel of engineering in the world of cylindrical gear reduction systems! Perfectly designed for optimal performance, these units find their place in a multitude of applications, from hoisting machinery and conveyor systems to the demanding environments of mining machinery and beyond. Renowned for exceptional load-bearing capacity, unwavering stability, and unparalleled durability, this series of gear units stands as the industry standard for reliability and efficiency, catering to a diverse array of industrial needs.
1. High Load Capacity: The state-of-the-art hard tooth surface gear design is tailored to withstand substantial loads, offering unmatched strength and reliability.
2. High Transmission Efficiency: With meticulously optimized gear design and precision machining, this gearbox ensures seamless and efficient power delivery.
3. Smooth Operation: Experience tranquility with minimal noise and vibration, perfect for prolonged continuous work environments.
4. Compact Structure: Engineered to be small, lightweight, and remarkably easy to install and maintain, making it ideal for versatile applications.
5. Strong Durability: Crafted with high-strength alloy steel, this reducer is built to last, expertly handling harsh conditions with ease.
The ZQ series reducer, a pinnacle of high-performance cylindrical gear technology, is specifically engineered for hoisting machinery and a broad range of industrial equipment. Its robust hard-flanked gear design, coupled with high-strength alloy steel construction, ensures exceptional load-bearing capabilities and a long-lasting service life. Characterized by its remarkable transmission efficiency, smooth and stable operation, and compact design, this series excels in applications such as overhead cranes, gantry cranes, conveying systems, and mining machinery. With unparalleled reliability and cost-effectiveness, the ZQ series reducers are the quintessential choice for optimizing industrial equipment transmission systems.
Application: Explore extensive possibilities across industries with this versatile reducer.
| 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: Discover the meticulously crafted design of our Crane Gearbox Reducer, offering not only a sleek and functional shape but also seamless installation dimensions, ensuring a perfect fit for all your operational 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: Our Crane Gearbox Reducer features a robust ZQ shaft size, exemplifying precision and strength to guarantee optimal performance in your conveyor systems.
| 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 the exceptional efficiency of our Crane Gearbox Reducer, powered by a precisely calculated ratio that enhances the performance and speed of your steel mill conveyors.
| 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 the historic year of 1958, Shanxi Pingyao Reducer Co., LTD., also known as Shanxi Pingyao Reducer Factory, stands as a beacon of excellence in the realm of R&D, manufacturing, and distribution of a diverse array of reducers and electric rollers. Our company proudly carries the prestigious IS09001 quality system certification, aligning with the highest standards of product excellence. We are equally committed to environmental stewardship and workplace safety, demonstrated through our IS014001 and OHSAS18001 certifications, respectively. Our dedication to superior production is further endorsed by the esteemed American API Association product certification, alongside the national mining products coal mine safety mark certification. Celebrated as a leading enterprise in China and an illustrious meritorious entity within Shanxi Province, we are honored to have our 'Xinkai' trademark recognized as a China Famous Trademark, a testament to our unwavering pursuit of quality and innovation.
Our company boasts a comprehensive quality control system, state-of-the-art product development facilities, and cutting-edge technological innovation systems. We have a rigorous testing protocol and a dedicated after-sales service team to ensure customer satisfaction. In recent years, we have significantly increased our investment in scientific research, optimizing conditions and resources to foster innovation. Our prestigious product line 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, among other 20 series and over 3,000 specifications of reducers and electric rollers, setting a benchmark in the industry.
The diverse range of reducers crafted by our company finds extensive applications across major industries including petroleum, metallurgy, chemicals, building materials, and more. Our products are pivotal in supporting various enterprises in lifting, transportation, shipping, and mining sectors. With a robust market presence nationwide, we proudly export to Europe, America, Southeast Asia, and various other international regions, reinforcing our global footprint.
At the heart of our company lies a profound business philosophy: 'gather the wisdom of employees, and pursue customer satisfaction.' Our vision is clear and ambitious: to 'create China's first-class products and establish a world-renowned brand.' Our core values embody 'respect, tolerance, integrity, and rigor,' which are the essence of Xinkai's vibrant corporate culture.
Our company is evolving from a traditional production-oriented enterprise to a modern service-oriented industry, successfully implementing the '133' medium- and long-term development strategy. '1' symbolizes the execution of comprehensive micro manufacturing, micro service, and strategic planning. The first '3' focuses on strategic market positioning for three product lines: firstly, replacing imported reducers; secondly, manufacturing reducers for export; thirdly, offering differentiated products. The second '3' delineates three strategic objectives: achieving and sustaining first-class product quality within the industry; attaining top-tier operational and managerial excellence; and fostering a first-class level of employee pride and happiness, ensuring a triumphant transformation in our business paradigm.
Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 24 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.