Head As. 342-9372

Head As. 342-9372

Articulated/Off Highway    Caterpillar    773,775

Suspension Cylinder    Bore    203,30    Stroke    234,90    Hydraulic Cylinder

3429372

30 kg

Compatible Brand: Caterpillar

Part Number: 342-9372 (3429372)

Superseded / Interchange Numbers: 342-9372, 3429372

Part Name: Off-Highway Truck Suspension Cylinder Head Assembly / Gland

Technical Specifications: Bore: Fits 203.30 mm / Stroke: Fits 234.90 mm Cylinder / Weight: ~30 kg

Compatible Machinery: Caterpillar Off-Highway Mining Trucks (773, 775 series)

What It Does:

Serves as the heavy-duty cylinder head assembly (gland) mounted at the rod end of the hydropneumatic suspension cylinders on Caterpillar 773 and 775 off-highway mining trucks. It caps and seals the suspension barrel under extreme gas and hydraulic operating pressure while supporting, guiding, and aligning the reciprocating suspension rod, housing the high-pressure rod seals, wiper seals, and wear guides.

Importance:

Critical for enduring extreme dynamic impact forces, heavy vertical loads, and continuous suspension cycles during haulage operations in quarry and mining environments. Precision-machined seal grooves maintain high nitrogen and oil pressure without fluid bypass, while absorbing severe side-thrust loads to prevent rod scoring and deflection. High-efficiency wiper seals prevent harsh abrasive dust and debris from entering the internal cylinder cavity.

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.