Shacman Oil Seal Part Number and Size Guide

To identify the correct Shacman oil seal, I recommend matching three items before placing an order: the complete part number, the measured seal dimensions, and the application where the seal will be installed. The essential dimensions are the shaft diameter, housing bore diameter, and seal width, usually recorded in millimetres as inside diameter × outside diameter × width. I also verify the shaft speed, lubricant, temperature, sealing direction, and whether the seal is fitted in an engine, gearbox, axle, hub, or hydraulic component.

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A part number alone may not be sufficient when a truck has been repaired, modified, or supplied for a different market. At TEBIETE, I use the available Shacman reference number as a starting point, then cross-check it against dimensions, material, design, and operating conditions. This approach helps B2B buyers reduce the risk of ordering a visually similar but technically unsuitable oil seal.

Who This Guide Is For

This guide is written for truck-parts distributors, fleet maintenance teams, repair workshops, importers, and purchasing departments sourcing Shacman oil seals in volume. It is also useful when the original seal is damaged, the marking is unreadable, or the vehicle identification information is incomplete. My objective is to provide a practical identification and purchasing framework rather than present unverified part-number cross-references.

Shacman vehicles can use seals in several systems, and the required specification depends on the exact assembly. A rear axle seal, gearbox input seal, crankshaft seal, wheel hub seal, and hydraulic seal may look similar while requiring different materials or sealing features. For this reason, I recommend treating the vehicle model as supporting information, not as the only identification method.

What a Shacman Oil Seal Part Number Tells You

A Shacman oil seal part number is normally used to identify a specific replacement component within a parts catalogue or supplier system. Depending on the source, the number may relate to the vehicle manufacturer, an assembly manufacturer, an aftermarket catalogue, or an internal inventory code. Some references can indicate a component family, but buyers should not assume that every digit directly represents the seal dimensions.

I therefore separate the reference into two verification stages. First, I check whether the number belongs to the correct vehicle system and position. Second, I confirm the actual size, construction, and material against the removed seal, technical drawing, catalogue information, or supplier measurement record.

Information to Record Before Searching

• Complete part number, including letters, suffixes, and spacing.
• Shacman vehicle model, engine or axle type, and production information when available.
• Installation position, such as front hub, rear axle, gearbox input, or engine crankshaft.
• Seal dimensions in millimetres: inside diameter, outside diameter, and width.
• Seal material, lip configuration, dust lip, metal case, spring, and rotation direction.
• Operating medium, temperature range, shaft speed, and expected service environment.

How to Read Shacman Oil Seal Size

The standard size format is commonly written as shaft diameter × housing bore diameter × seal width. For example, a recorded size of 80 × 100 × 10 mm means an approximate 80 mm shaft diameter, 100 mm housing bore, and 10 mm axial width. This example explains the format only; it should not be treated as a confirmed Shacman replacement specification.

Measurement should be carried out with a calibrated vernier caliper or micrometer where practical. I record at least three dimensions and note whether the old seal is worn, distorted, or damaged, because wear can change the apparent lip diameter. If the housing or shaft has scoring, corrosion, or a worn contact track, simply selecting a seal with identical nominal dimensions may not resolve the leakage problem.

Oil Seal Types and Material Options

The correct Shacman oil seal design depends on the assembly and the working environment. A basic radial shaft seal may include a sealing lip, garter spring, rubber body, and metal reinforcement, while a heavy-duty version may add a dust lip or protective outer feature. For rotating applications, I also check whether the seal is intended for a particular direction of rotation or lubricant-retention arrangement.

Common Material Considerations

• NBR: Often considered for general mineral-oil applications and moderate operating conditions.
• FKM: Commonly evaluated where higher temperature or greater chemical resistance is required, subject to compatibility with the actual fluid.
• Silicone or other specialized compounds: May be considered for specific temperature or flexibility requirements, but should be selected from application data rather than appearance alone.
• Polyurethane: May be suitable for selected hydraulic or wear-related applications, depending on pressure, fluid, and design.

Material selection must be based on the lubricant, temperature, speed, pressure, and surrounding contaminants. A material that performs well in an engine oil environment may not be appropriate for a different fluid or a high-pressure hydraulic position. I ask buyers to provide the operating medium and temperature range instead of requesting a material solely because it is familiar.

Matching the Seal to the Application

Application matching is the most important step after confirming the dimensions. Engine seals may face heat, oil splash, and continuous shaft rotation, while axle and hub seals may encounter grease, dust, water, and heavy vehicle loads. Gearbox seals require attention to lubricant compatibility and shaft condition, and hydraulic seals may involve pressure requirements that are not addressed by a standard low-pressure radial seal.

I use the following questions to narrow the specification:

1. Where is the seal installed, and what component does it protect?
2. Is the shaft rotating continuously, intermittently, or at low speed?
3. What oil, grease, hydraulic fluid, or other medium contacts the sealing lip?
4. Will the seal face mud, dust, water, abrasive particles, or pressure?
5. Is there enough space for the original width and any required dust lip?

For example, a wheel-end application may need stronger contamination resistance than an enclosed gearbox position. However, I do not recommend upgrading to a larger or more complex seal without confirming the housing geometry and installation clearance. An incorrect outer diameter, width, or lip position can create installation damage even when the inner diameter appears correct.

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A Practical Selection Framework for Buyers

Step 1: Collect the Original Evidence

I start with clear photographs of the seal face, side profile, markings, and installation position. I also request the vehicle identification details and the component name, while keeping the removed seal available for inspection. If the part number is partially unreadable, photographs of every visible character can still help distinguish a suffix or design variation.

Step 2: Confirm the Three Main Dimensions

I measure the inside diameter, outside diameter, and width in millimetres, then compare those measurements with the available reference. The result should be recorded in one consistent format, such as 80 × 100 × 10 mm, rather than mixed between metric and imperial units. A difference of even 1 mm can affect fit, so I treat approximate measurements as a reason for further checking rather than as final approval.

Step 3: Check Construction and Operating Conditions

I then confirm the number of lips, dust protection, spring arrangement, casing style, material, and any rotation requirement. For operating data, I ask for the approximate shaft speed in revolutions per minute, working temperature in degrees Celsius, and fluid type. These details help prevent a dimensionally correct seal from being selected for an unsuitable service condition.

Step 4: Approve a Sample or Technical Drawing

For repeated purchasing, I recommend approving a sample, drawing, or inspection record before a larger production order. The approval should cover dimensions, appearance, packaging, marking, and material designation where applicable. This process creates a repeatable purchasing reference for future batches and reduces ambiguity between the vehicle reference and the supplier’s internal product code.

Pricing, MOQ, and Lead-Time Considerations

Shacman oil seal pricing can vary with material, profile, size, packaging, order quantity, tooling needs, and inspection requirements. Standard sizes may be easier to source, while uncommon dimensions or customized markings may require additional preparation. I avoid giving a fixed price before the specification is confirmed because an apparently identical seal may use a different compound or construction.

Minimum order quantity and lead time should be discussed separately for standard stock, production orders, private labeling, and custom designs. Buyers should also clarify whether samples are available, how replacement units are packed, and whether mixed sizes can be consolidated into one shipment. These points are especially important for distributors managing several Shacman applications at the same time.

Common Identification and Purchasing Mistakes

One common mistake is ordering only by truck model without confirming the installation position. Another is reading the size in the wrong order or measuring a worn seal without checking the housing and shaft. I also see buyers selecting a material based on colour, although colour alone does not reliably identify compound type or performance.

Other risks include ignoring the seal width, omitting a suffix from the part number, and replacing a seal without checking shaft damage. A leaking seal may be caused by runout, excessive wear, incorrect installation, blocked ventilation, or lubricant issues rather than by the seal alone. For this reason, I recommend inspecting the mating surfaces and installation method before approving a replacement specification.

How TEBIETE Supports Shacman Oil Seal Sourcing

At TEBIETE, I support B2B buyers by organizing the available information into a clear technical request: part number, dimensions, application, material preference, quantity, and delivery requirement. When the reference is uncertain, I can use photographs, measurements, drawings, and application details to identify the points that still require confirmation. This helps buyers distinguish a confirmed match from a provisional catalogue comparison.

My support can include size review, product configuration discussion, sample coordination, packaging requirements, and batch-to-batch specification confirmation. I do not treat a visual match or an unverified cross-reference as proof of interchangeability. Instead, I recommend documenting the approved dimensions and application before repeat procurement.

Key Takeaways

• Use the Shacman oil seal part number as a reference, but verify it with the application and dimensions.
• Record inside diameter, outside diameter, and width in millimetres.
• Check material compatibility with the actual oil, grease, hydraulic fluid, temperature, and speed.
• Inspect the shaft, housing, contamination, and installation space before replacing the seal.
• For B2B orders, approve a sample or technical specification before committing to repeat supply.

Conclusion: The Safest Way to Order a Shacman Oil Seal

The safest way to choose a Shacman oil seal is to combine the complete part number with verified dimensions and application information. I recommend starting with photographs and vehicle details, confirming the three primary measurements, checking the material and lip design, and reviewing the shaft and housing condition. This sequence provides a stronger basis for purchasing than relying on the vehicle model or a similar-looking seal alone.

For your next sourcing request, prepare the part number, size in millimetres, installation position, operating medium, approximate temperature, quantity, and delivery destination. Send this information to TEBIETE for a structured review and quotation discussion. I can then help determine whether the requirement is a standard replacement, a specification that needs further confirmation, or a customized Shacman oil seal sourcing project.

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