Industrial transmission equipment
QJY Series Crane Gearbox
QJY Series Crane Gearbox is specified for crane hoisting and travelling mechanisms. Crane gearbox configuration for hoisting and travel drives.
Industry application
Port & Heavy Machinery
Gear reducers for crane hoist, luffing, and travel mechanisms requiring high reliability under load.
Application review
Start with the duty and installed interfaces
Product selection depends on the driven equipment, motor power and speed, output requirement, duty cycle, environmental conditions, mounting arrangement and available installation envelope. These inputs define which catalog arrangement should move into engineering review.
Relevant catalog positions
Industrial transmission equipment
QJYX Series Crane Gearbox
QJYX Series Crane Gearbox is specified for crane hoisting and travelling mechanisms. Crane gearbox configuration for hoisting and travel drives.
Industrial transmission equipment
Ratchet and Pawl Gearbox
Ratchet and Pawl Gearbox is specified for foundry-crane and ship-unloader lifting mechanisms. Custom gearbox with ratchet and pawl arrangement for heavy lifting drives.
Industrial transmission equipment
Single-Planetary Differential Gearbox
Single-Planetary Differential Gearbox is specified for steel-mill raw-material terminals, shipyards and port ship unloaders. Two-motor differential transmission with a single planetary package.
Industrial transmission equipment
Dual-Planetary Differential Gearbox
Dual-Planetary Differential Gearbox is specified for steel-mill raw-material terminals, shipyards and port ship unloaders. Four-motor, four-input differential transmission with dual planetary packages.
Engineering inquiry
Discuss your transmission requirement
Share the application, power, speed, ratio, installation limits and available drawings. The engineering team will review the operating context before responding.