QDQ-A22J3-02021-AH Forklift Drive Axle Housing
The QDQ-A22J3-02021-AH is a drive axle housing designed for QDQ-series and compatible 2-3 ton internal combustion counterbalance forklifts. Constructed from heavy-duty cast ductile iron, this axle housing serves as the structural backbone of the forklift drive axle assembly — supporting the differential carrier, axle shafts, wheel hubs, and brake assemblies while withstanding the high bending and torsional loads generated during loaded acceleration, braking, and cornering. The housing is engineered for direct bolt-on replacement of the factory axle housing, with precision-machined mounting surfaces for the differential carrier flange, axle tube ends, and chassis suspension attachment points.
The housing features reinforced ribbing in high-stress areas around the differential mounting flange and spring perch mounts, providing increased structural rigidity without excessive weight. The axle tube bores are machined to tight tolerances for proper axle shaft alignment and bearing seating, and the oil fill and drain ports include threaded plugs for convenient gear oil service. All mating surfaces are machined flat and true for leak-free gasket sealing at the differential carrier and axle tube end flanges.
Direct replacement for QDQ-A22J3 series drive axles and compatible with select HELI, Hangcha, and other domestic 2-3 ton forklifts using QDQ-type axle assemblies. Inspect the axle housing for cracks, impact damage, or bent tubes before installation. Replace all gaskets, seals, and fasteners during axle housing replacement. Fill with manufacturer-specified gear oil (typically 80W-90 GL-5) after assembly. For compatible differential assemblies, axle shafts, seals, and bearing kits, visit our Forklift Drive Axle Parts section.
Technical Specifications
- PN: QDQ-A22J3-02021-AH
- Capacity: 2-3 Ton Forklift
- Material: Cast Ductile Iron
- Application: QDQ-Series Drive Axle
Each housing is dimensionally inspected and pressure-tested. Ships with preservative coating. 12-month warranty. Contact our team.
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