QY3D gearbox gear speed reducer for crane


Quick Details

Place of Origin:

Zhejiang, China

Brand Name:


Gearing Arrangement:


Output Torque:

2800 – 355000N.m

Input Speed:

600 – 1500rpm

Output Speed:

6.6 – 94rpm


all colors


16 ~ 90

Housing material:

iron casted or steel fabricated



Heat treatment:

ageing, carburizing, quenching, tempering



Input Form:

Directly Connected or flange



Quality Control System:

GB/T19001- 2008

Supply Ability

Supply Ability:
1000 Set/Sets per Month

Packaging & Delivery

Packaging Details
plywood case , or as customer requirement
near Shanghai port
Lead Time
Quantity(Sets) 1 – 1 >1
Est. Time(days) 30 To be negotiated

Online Customization

Product Description

QY3D gearbox gear speed reducer for crane

Product Application

QY series gearbox includes QYS 3-supporting-point type and QYD pedestal type. There’re 3-stage, 4-stage, 3+4-stage transmission.
QY is mainly used on crane and hoist, also can be used on the transmission parts of transportation, metallurgy, mining, chemical industry with working conditions as below:
1) gear wheel circular velocity is less than 20m/s
2) input speed is less than 1500r/min
3) working ambient temperature is -40℃ ~ +45℃
4) both forward and reverse rotation are available

Main Features

1) high carrying capacity
2) compact size, light weight
3) high efficiency, low noise, low vibration
4) multi stages make smaller ratio on each stage, center distance is longer, body is lower, can be fixed on different parts of crane and hoist
5) QYS 3-supporting-point type can be installed vertical or horizontal or inclinate with some angle
6) 3+4-stage type means 3-stage mounting and 4-stage ratiochine .



input speed/ motor speed

output speed

gearbox rated power

reference S.F

160 – 800

16 – 90

600 – 1500 rpm

6.6 – 94 rpm

2.1 – 3509.7kw



Detailed Images

Machine Parts

Name: gear and shaft
Original: China
Material of low-speed shaft is 42CrMo with grinding and tempering treatment. The other gears and shafts are made of 20CrMnMo with grinding, carburization and quenching treatment.

Main Features

Name: bearing
Brand: ZWZ
Original: China
Domestic famous bearing, reliability reach up to 99%, more than 20 years’ service life.

Machine Parts

Name: oil seal
Brand: TTO
Original: Taiwan, China
Taiwan famous seal, produced by precise CNC machine, there are strict inspections before fixing on gearbox. Excellent anti-chemical character, long service life.

Main Features

Name: paint
Original: China
Bright color, strong adhesion, good sealing ability, hard, wear-resisting, with excellent oil resistance.

Our Service

Pre-Sales Service

* Inquiry and consulting support.

* Sample testing support.

* View our Factory.

After-Sales Service

* Training how to instal the machine, training how to use the machine.

* Engineers available to service machinery overseas.

Packing & Delivery


Size mm

710(L) * 350(W) * 452 (H) Min
3075(L) * 1060 (W) * 1769 (H) Max


158 – 12560kg

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.


Q: If you can help on selecting a right model for me ?
A: Yes. Pls kindly provide the data of the MOTOR POWER , INPUT SPEED , RATIO ,SF .

Q: What about your products’ quality ?
A: Don’t worry about the quality ! There’re advanced testing equipments and professional QCs in our company . The testing actions are taken during every procedure from material to the finished products .

Q: How long is the Quality guarantee?
A: one year.

Our Company

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