Buy ZQ 2-Stage Gearboxes Online 10/2026

ZQ 2-stage gearboxes are the most standard and popular gearbox lines in industries, especially in overhead cranes and lifting machinery. Designed with two series-operating gear pairs, ZQ 2-stage gearboxes provide a deeper speed reduction and create overwhelmingly strong torque compared to 1-stage ZQ gearboxes. With a perfect balance of performance, durability, and dimensions, ZQ is the trusted choice for all heavy-duty systems, ensuring durable and stable operation.

High transmission ratio and stable output speed: Thanks to the two-stage drive gear structure, ZQ 2-stage gearboxes can achieve a higher transmission ratio than 1-stage types, making them suitable for equipment requiring slow rotation speed and high traction force.
Good load-bearing capacity: Torque is increased through two drive stages, helping ZQ 2-stage gearboxes well meet heavy-duty applications such as conveyors, crushers, mixers, and lifting equipment.
Sturdy cast iron housing with high durability: The body is usually cast from heavy-duty cast iron, helping to reduce vibration, increase stability, and suit industrial working environments.
Wear-resistant steel gears: The gear system is made of high-quality steel, precisely machined to help smooth transmission and extend equipment life.
Stable operation over a long period: This is a widely used gearbox line in industry, so it has high reliability, durable operation, and minimal trouble occurrence.

Bucket elevator systems in manufacturing plants: ZQ 2-stage gearboxes are commonly used for bucket elevator systems transporting materials upward thanks to their ability to generate large torque and stable operation.
Press machines: Suitable for production lines of pellets, animal feed, or biomass fuel that require low speed and high pressing force.
Feeding equipment: Installed for feeders in mining, cement, and construction materials industries to ensure materials are fed evenly and continuously.
Large-capacity tank stirring systems: ZQ 2-stage gearboxes help chemical, wastewater, or industrial material stirring tanks operate stably for a long time.
Industrial rolling and pressing machines: Commonly used in metal, rubber, or plastic processing lines requiring high driving force.
Environmental treatment equipment: Applied in sludge scraping, stirring, or wastewater treatment systems in factories and industrial zones.

Below is the reference price list of ZQ 2-stage gearboxes distributed by Thanh Thai Motor for customers to easily refer to, compare, and choose the right product for practical usage needs.

No.	Product	Price	Specs
1	ZQ 200 Gearbox (Size 200) – 40mm Output Shaft	From 4.000.000₫	ZQ 200, 1-Stage, 2-Stage, 3-Stage
2	ZQ 250 Gearbox (Size 250) – Output Shaft 50mm	From 5.000.000₫	ZQ 250, 1-stage, 2-stage, 3-stage
3	ZQ 350 Gearbox (Size 350) – 65mm Output Shaft	From 7.900.000₫	ZQ 350, 1-Stage, 2-Stage, 3-Stage
4	ZQ 400 Gearbox (Size 400) – 75mm Output Shaft \| 3-5 Ton Load Capacity	From 11.200.000₫	ZQ 400, 1-Stage, 2-Stage, 3-Stage
5	ZQ 500 Gearbox (Size 500) – Output Shaft 85mm \| 10 Ton Load Capacity	From 15.800.000₫	ZQ 500, 1-Stage, 2-Stage, 3-Stage
6	ZQ 650 Gearbox (Size 650) – Output Shaft 100mm \| Load 15-20 Tons	From 36.500.000₫	ZQ 650, 1-Stage, 2-Stage, 3-Stage
7	ZQ 750 Gearbox (Size 750) – Output Shaft 110mm \| Load Capacity 30 Tons	From 69.800.000₫	ZQ 750, 1-Stage, 2-Stage, 3-Stage
8	ZQ 850 Gearbox (Size 850) – Output Shaft 130mm \| Load Capacity 50 Tons	From 93.000.000₫	ZQ 850, 1-Stage, 2-Stage, 3-Stage
9	ZQ 1000 Gearbox (Size 1000) – Output Shaft 150mm \| Load 70-100 Tons	From 105.000.000₫	ZQ 1000, 1-Stage, 2-Stage, 3-Stage

Choose according to speed requirements: Before selecting a gearbox, it is necessary to determine the actual working speed of the machine to choose the appropriate transmission ratio.
Installation space: For systems with existing machine frames or limited installation positions, check the overall dimensions of the gearbox before buying.
Transmission method: Depending on whether the application uses a coupling, belt pulley, or chain, the selection of shaft dimensions and ZQ models will vary.
Long-term operation needs: If the system frequently operates multiple shifts or works continuously for a long time, prioritize models with high load capacity and good durability.
Pay attention to maintenance and component replacement capacity: Popular models are usually easy to find replacement parts and more convenient when maintenance or repair is needed.
Choose a reputable supplier: Getting advice on the right model from the beginning will save time, costs, and limit errors during installation.

In addition to the above information, customers can refer to more gearbox videos and summary videos at Thanh Thai Motor. The video content shares experience in choosing transmission ratios, how to choose gearboxes by load, how to couple with motors, and practical notes during equipment installation and operation.

Yes, however, a roof or protective measures should be provided to limit rain, dust, and moisture from affecting the lubricating oil as well as the equipment’s lifespan.

In practice, many technicians usually choose an overload margin of about 20% – 30% compared to usage needs to ensure stable equipment operation and limit overloading during startup.

Yes. Lubricating oil must be checked and replaced according to usage time to ensure internal gears and bearings always operate in the best conditions.

ReadmoreShow less