Forklift Steering Bridge Rear Axle — Haba Head Design for Universal 1-5 Ton Forklifts

This steering bridge rear axle assembly features the “Haba head” design — a heavy-duty steering axle configuration where the steering cylinder is mounted transversely across the axle beam and connects directly to both steering knuckles via robust tie rod arms with greasable spherical ball joints. The Haba head axle design is distinguished from standard steering axles by its integrated mounting flange that seats directly into the chassis crossmember, providing a wider bearing surface at the pivot point (approximately 120mm diameter vs 80-90mm on standard axles) for improved lateral stability during high-speed travel and cornering. This design is commonly found on Heli, Hangcha, and other Chinese-manufactured forklifts in the 1-5 ton class. The axle beam is a box-section welded steel fabrication with internal reinforcement gussets at the kingpin bosses and cylinder mounting pads — the box-section design provides approximately 30% higher torsional rigidity than an I-beam design of equivalent weight, reducing steering geometry changes under heavy cornering loads.

The most critical maintenance point on a Haba head steering axle is the pivot bushing in the axle beam center. This bushing is a split-type bronze sleeve with an internal grease groove — the split design allows the bushing to be replaced without removing the axle from the chassis by sliding the old bushing halves out and new halves in around the pivot pin. The bushing-to-pin clearance specification is 0.05-0.12mm when new; replacement is required when clearance exceeds 0.20mm as measured with a dial indicator at the axle beam end with the chassis supported and the axle hanging free. The steering cylinder rod ends use spherical bearings (not bushed rod ends) that allow 3-5 degrees of angular misalignment — this is important because the Haba head axle pivots on its center pin during suspension travel, and the cylinder rod must be able to accommodate this angular movement without binding. The spherical bearings must be inspected for radial play at every 500-hour service interval; any detectable radial play in the bearing (grasp the rod end and attempt to rock it by hand) indicates bearing replacement is needed. Common failure symptoms: steering wheel shimmy at 8-12 km/h that disappears above 15 km/h (worn pivot bushing allowing axle beam oscillation), uneven tire wear with a “sawtooth” pattern across the tread (incorrect toe-in from bent tie rods), and hydraulic oil leak at the cylinder rod seal that worsens during full-lock steering (rod seal wear from spherical bearing play allowing cylinder rod side-loading).

This Haba head steering bridge axle assembly fits 1-5 ton forklifts including Heli, Hangcha, and TCM models. Verify the chassis mounting width and the steering cylinder port thread sizes before ordering. For related steering axle components, visit our Forklift Steering Axle section.

Technical Specifications

• Design Type: Haba Head Steering Bridge Axle (Box-Section Beam)
• Includes: Axle Beam, Steering Cylinder, Tie Rods, Spherical Rod Ends, Kingpins, Knuckles
• Pivot Bushing: Split Bronze Sleeve, 0.05-0.12mm Clearance
• Pivot Flange Diameter: ~120mm (Wider Bearing Surface)
• Cylinder Rod Ends: Spherical Bearings (3-5 degrees Angular Allowance)
• Application: Heli, Hangcha, TCM 1-5T Forklifts

Compatible Forklift Brands

Each axle assembly is factory-aligned, pressure-tested, and packed in a reinforced steel crate. Ships within 2-3 business days. 12-month warranty. Browse our Forklift Steering Axle catalog.