Front disc arm support 55902 4-hole frame 80x80 mm

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Front disc arm support 55902 4-hole frame 80x80 mm

Front disc arm support part number 55902 engineered for 4-hole tillage disc hubs, designed for clamping on 80x80 mm frame bars. Featuring an overall height of 330 mm, offset distance of 65 mm, and 40x230 mm rubber silent block suspension cords, it delivers reliable shock absorption, consistent disc operating depth, and dependable field service life.

Front row optimized geometry
80x80 mm square frame fitment
Heavy-duty 40x230 mm silentblock cords

€179.00VAT incl.

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Description

Front disc carrier arm 4-hole hub pattern 80x80 mm frame - Part number 55902

Replacement front disc carrier arm for compact disc cultivators and independent speed discs, commercial part number 55902. Specifically engineered for the front gang row, it delivers optimal soil entry angle, positive ground penetration, and uniform flow through dense crop residue and heavy soils. Constructed from high-tensile forged steel, it is designed for clamp mounting onto standard 80x80 mm square box-section frame beams (dimension CxD). It incorporates high-density 40x230 mm rubber silentblock cushioning cords to absorb stone impacts and reduce structural stress on the implement frame. It features an overall height of 330 mm (dimension A), a functional offset distance of 65 mm (dimension B), and a mounting terminal tailored for 4-hole independent disc hubs.

Key features

Front row optimized geometryStructural angle designed to deliver aggressive initial soil slicing and optimal dirt flow clearance toward the rear disc gang.

80x80 mm square frame fitmentPrecision contact profile (dimension CxD 80x80 mm) ensuring positive clamping onto square tubular frame beams.

Heavy-duty 40x230 mm silentblock cordsHigh-density elastomeric dampeners providing progressive multi-directional shock absorption and stone-release protection.

330 mm working clearanceSized leg height (dimension A) offering generous ground clearance to minimize trash plugging at high operating speeds.

Calibrated 65 mm offsetDedicated offset distance (dimension B) engineered to align the disc blade perfectly with the machine's pull line.

Pre-drilled 4-hole hub interfaceRigid lower mounting pad engineered for direct pairing with 4-bolt independent bearing hub units.

Specifications

Commercial part number	55902
Product type	Front independent disc carrier arm
Compatible hub interface	4-hole hub pattern
Frame profile (CxD)	80x80 mm
Height (A)	330 mm
Offset distance (B)	65 mm
Silentblock dimensions	40x230 mm
Arm material	High-tensile forged and treated structural steel

Fitting tipsPrior to mounting the arm onto the 80x80 mm square frame tube, clean the beam surface thoroughly to remove soil residue, loose paint, and metal slag around the clamp area. Mount the front carrier arm ensuring that the leg rake and 65 mm offset face correctly relative to the machine's forward travel direction. Verify that the 40x230 mm rubber silentblock dampening cords seat squarely within their retention channels without binding or pinches. Tighten frame clamp U-bolts evenly in an alternating pattern to the machine manufacturer's specified torque rating. Bolt the 4-hole disc bearing hub onto the lower mounting pad, ensure proper clearance, and re-torque all hardware after the initial 5 to 10 hours of fieldwork.