15 Ton Wheel Excavator Steering Drive Axle
1. This bridge adopts a two-stage reduction transmission structure.
2. Equal-height tooth cycloidal bevel gears are used for main reduction, featuring high gear strength, high transmission efficiency, and low noise.
3. The wheel side employs an NGW-type planetary reduction transmission mechanism with a reasonable and compact design.
4. Hydraulic power steering enables flexible operation.
5. The bridge housing is cast from nodular cast iron, giving it good rigidity and large load-bearing capacity.
6. A closed multi-disc wet brake is used, utilizing hydraulic pressurization and spring release to ensure stable braking performance, high safety, and reliability.
Introduction:
15 ton wheel excavator steering drive axle is a vital transmission component specially designed for 13-16 ton wheeled excavators. It incorporates a two-stage reduction transmission structure, a hydraulic power-assisted steering system, and an enclosed multi-disc wet braking system. This axle integrates three key functions: steering, driving, and braking. Its primary role is to transmit power from the transmission to the wheels and convert it into driving force. At the same time, during equipment operation, it ensures flexible steering and reliable braking, fully meeting the heavy-duty operation and high-mobility performance requirements of construction machinery in complex working conditions.
Main technical parameters:
Total transmission Ratio | 16.91 |
Maximum Output torque | 50000N.m |
Dynamic load each axle | 13000Kg |
Braking torque (single side) | 21000N.m |
Braking oil pressure | 4Mpa |
Braking displacement | 45-128ml |
Angle of turning | 32° / 25° |
Steering cylinder pressure | 14Mpa |
Oil request for driving axle (API standard) | GL-5:85W/90 Gear Oil (above -12 ℃) |
Brake and cylinder oil | L-HLA6 hydraulic oil |




