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Seckin Makine | Producer of Wheel Rim and Hydraulic Cylinder
Seckin Makine | Producer of Wheel Rim and Hydraulic Cylinder 50 Years

Head As. 346-1091

10 August 2026

Head As. 346-1091

Wheel Loader    Caterpillar    938H

Tilt Cylinder    Bore    140,00    Stroke    527,00    Hydraulic Cylinder

3461091

7,5 kg

Compatible Brand: Caterpillar

Part Number: 346-1091 (3461091)

Superseded / Interchange Numbers: 346-1091, 3461091

Part Name: Loader Bucket Tilt Cylinder Head Assembly / Gland

Technical Specifications: Bore: Fits 140.00 mm / Stroke: Fits 527.00 mm Cylinder / Weight: ~7.5 kg

Compatible Machinery: Caterpillar Wheel Loaders (938H series)

What It Does:

Serves as the cylinder head assembly (gland) mounted at the rod end of the front loader bucket tilt cylinder on Caterpillar 938H wheel loaders. It caps and seals the cylinder barrel under high operational pressure while supporting, guiding, and aligning the reciprocating piston rod, housing the rod seals, wiper seals, and wear guides.

Importance:

Essential for ensuring precise linear rod guidance and absorbing side-thrust loads, preventing rod scoring, deflection, and uneven wear during severe loader digging, stockpiling, and dumping operations. Precision-machined seal grooves hold hydraulic pressure without fluid loss, while high-efficiency wiper seals exclude dust, dirt, and external contaminants from entering the hydraulic system.

As Seçkin Makine, we manufacture this product as an aftermarket item fully equivalent to the original specifications in terms of raw materials, technical dimensions, and performance characteristics. This product comes with a 1-year warranty from the invoice date.