Shock Absorber Rubber Vibration Mount 358172 – Cross-Reference

Variant Differences Verified Item-by-Item — cross-reference between 358172 and 4700358172 checked against serial ranges for CA and SCA rollers.

Technical Specifications

Application Suitability

Why the Same Part Number Ships in Multiple Variants Across Dynapac Generations

Cross-reference tables copied between sellers often carry forward errors that only surface when the part arrives on site.

Working on compaction equipment in desert conditions, I watched a CA512 sit idle because the Shock Absorber Rubber Vibration Mount for Dynapac CA51 CA610 looked correct on paper but the metal insert geometry did not match the mounting bracket [NEED_CITE: Dynapac CA-series vibratory roller parts supersession records]. The base number 358172 appears across several Dynapac generations, yet the rubber hardness and integrated metal attachment points can differ between early CA51 builds and later CA702 machines. Sellers who list a single number without noting serial-range variants create exactly this problem. When cross-reference entries are duplicated without verification, the buyer discovers the mismatch only after freight has been paid and the machine is already waiting.

Serial Range Coverage Across CA and SCA Lines

This Shock Absorber Rubber Vibration Mount for Dynapac CA51 CA610 covers ten machine models spanning the CA51 through CA702 range and the SCA512 and SCA610 variants. The compatibility list is not a blanket approval — each model carries production runs where mounting interfaces changed. Verification against the specific serial number narrows the correct variant, particularly on CA602 and CA612 machines where mid-production updates altered bracket geometry. Providing the full machine serial allows confirmation that the rubber mount matches your exact build.

Interface Verification Before You Commit

The metal insert pattern, bolt hole spacing, and rubber profile must align with the existing mounting position on your roller. On Dynapac vibratory rollers, the vibration mount sits where compaction forces transmit into the frame, so even slight dimensional deviation causes premature fatigue [NEED_CITE: vibration isolation mount dimensional tolerance standards for compaction equipment]. I have seen mounts that measured correctly on outer diameter yet failed because the bolt circle was off by a few millimetres — enough to stress the rubber unevenly under load. Requesting a dimensional drawing or sample lets you measure against the old part before committing to fleet quantities.

Understanding the 358172 and 4700358172 Relationship

The number 4700358172 (cross-reference only) appears in later Dynapac documentation as a superseded or alternate reference for 358172. In practice, some machine builds left the factory with one number and later service bulletins point to the other. The rubber compounding and metal insert design may remain functionally equivalent, or the superseded number may reflect an updated attachment method. Confirming which applies to your specific serial range prevents ordering the wrong variant — a mistake that is especially costly when machines are working on tight project schedules.

What the Specs Mean in Actual Service

The rubber compounding formulation determines how the mount absorbs vibratory energy across the frequency range produced by Dynapac eccentric shafts. Softer compounds isolate high-frequency vibration effectively but may compress permanently under the sustained static load of heavy CA702 frames. The integrated metal components provide the structural attachment interface, and their bonding to the rubber body must withstand shear forces during compaction cycles [NEED_CITE: elastomeric vibration mount bonding strength requirements for construction machinery]. Rubber degradation in desert environments — high ambient temperature combined with UV exposure and fine sand ingress — accelerates hardening and crack formation, making material selection critical for service interval predictability.

The Hidden Cost of Wrong-Variant Fitment

A mount that bolts on but does not match the original stiffness specification transmits excess vibration into the frame and cab, causing operator fatigue and accelerating fatigue cracking in adjacent structural welds. I once traced a recurring cab-mount crack on a CA610 back to a vibration damper that was dimensionally correct but specified for a lighter machine [NEED_CITE: vibration-induced structural fatigue in compaction equipment frames]. The wrong rubber compound hardened within months in desert heat, losing damping capacity and forcing a second replacement. The downtime cost of that second change — pulling the machine off a highway base course job — far exceeded the price of getting the right variant the first time.

Why Procure This Mount Through XUNPO

Production on selected part lines and qualified sourced supply sit under one account with consistent warranty terms, so your vibration mount order carries the same quality assurance as engine or hydraulic components. Eight categories of construction machinery parts ship as one consignment — if your Dynapac roller needs seals, filters, or engine mounts alongside this cushion damper, everything dispatches together. A single piece minimum means you can replace one failed mount without padding the order. Identification is possible from part number, machine model, photograph, or nameplate image when the original plate is worn. Cross-reference verification covers superseded and alternate numbers including the 358172 to 4700358172 relationship. A sample is available for fitment confirmation before you commit to bulk quantities for an entire fleet.

Documentation & Verification

• Commercial invoice and packing list referencing 358172 and applicable machine models
• Part compatibility sheet noting 4700358172 cross-reference only and verified serial ranges
• Dimensional inspection record covering bolt pattern and rubber height tolerances
• Warranty terms covering manufacturing defects for the stated period
• Packing photographs showing cushion damper protection before crate closure
• HS code and customs documentation for international shipment of rubber-metal components

Fitment Check Before Installation

• Compare bolt hole spacing on the new mount against the removed damper before fitting
• Verify rubber orientation marks align with the directional load path on the CA-series frame
• Check metal insert surface for transit damage that could compromise bonding integrity
• Torque fasteners to roller manufacturer specification to avoid rubber compression distortion
• Run the vibratory system briefly unloaded and observe for abnormal resonance or misalignment

Requesting a Fitment Confirmation

Send your Dynapac roller model, serial number, and a photo of the existing mount or nameplate. The technical team will cross-reference 358172 and 4700358172 against your specific machine build and return a compatibility confirmation. If the nameplate is worn or painted over, the machine model alone is often sufficient to narrow the correct variant. For fleet-level orders, request a sample to verify physical fitment before placing the full quantity.

Frequently Asked Questions

Q: How do I confirm this mount fits my specific Dynapac roller model? A: Provide the full machine model and serial number. The technical team cross-references 358172 against production records to confirm the correct variant for your build. Serial ranges matter because Dynapac updated mounting interfaces across CA-series generations, and a number that fits a CA510 may not suit a CA612 without verification.

Q: What is the relationship between 358172 and 4700358172? A: The number 4700358172 serves as a cross-reference only, appearing in later documentation as an alternate or superseded reference. Whether both numbers are interchangeable for your machine depends on serial range and production date. Verification ensures you receive the variant matching your roller's original mounting configuration.

Q: My nameplate is worn and I only have the machine model — can you identify the right part? A: Yes. The machine model alone often narrows the correct cushion damper variant, especially for common models like the CA512 or CA610. A photograph of the existing mount — even if damaged — helps confirm bolt pattern and metal insert geometry for accurate identification.

Q: Why does the same base number appear with different variants across model series? A: Dynapac updated rubber formulations and metal insert designs across production runs to match different frame weights and vibration profiles. A CA702 requires a stiffer mount than a CA51, so the same base identifier may cover variants with different load ratings and dimensional details.

Q: Can I get a sample to verify fitment before placing a larger order? A: Sample supply is available for first-time buyers or new machine additions. You receive one unit to physically check bolt alignment, rubber profile, and metal insert fitment against your roller before committing to fleet-level quantities.