195-78-21331 Ripper Point: Fitment for Komatsu D275 And D355

Fitment, assembly references, wear inspection and B2B ordering checks

195-78-21331 (also written 1957821331) is a replaceable ripper point used in Komatsu-style dozer ripper systems. It is suitable for D275 and D355 applications and with ripper shank 195-79-31141. Because aftermarket catalogues disagree on several additional machine models, buyers should confirm the machine serial number, the installed shank, the retaining system and key dimensions before placing a bulk order.

This guide is written for distributors, importers, mines, contractors and repair companies sourcing aftermarket ground engaging tools. It explains what the point does, which related parts commonly appear with it, what information should be verified, and how to reduce wrong-fit orders.

What the 195-78-21331 Ripper Point Does？

A bulldozer ripper concentrates the machine's pulling force through one or more shanks. The ripper point is the replaceable wear part at the lower end of the shank. It enters the ground first and absorbs abrasion and impact while loosening hardpan, compacted soil, weathered rock and other difficult material before excavation or grading.

Replacing the point at the correct time helps protect the shank nose and the shank protector. If the point becomes excessively short, rounded or cracked, penetration can fall and wear may affect more expensive components. Inspection should therefore consider the complete ripper assembly rather than the point alone.

Verified Fitment and Compatibility Scope

A Shantui ground engaging tools catalogue identifies ripper shank 195-79-31141 for Komatsu D275 and D355 machines and lists 195-78-21331 as the matching tip. The same catalogue also associates 195-78-21331 with a Shantui SD32 ripper shank configuration. These references support the following publication-safe wording:

• Komatsu D275 and D355 dozer families: supported by a published ripper shank and tip relationship.

• Shantui SD32: listed in a Shantui ripper-parts catalogue, but the exact machine configuration and serial range should still be checked.

Some aftermarket pages also name D455 dozers, SD42 dozers and PC300-PC450 excavators. Those broader lists are inconsistent and often combine multiple tooth systems on one page. They should not be presented as confirmed compatibility without the relevant parts book, serial-number range or an assembly drawing. A similar appearance is not proof of interchangeability.

195-78-21331 Ripper Assembly and Part References

The pin distinction matters. Several reputable aftermarket catalogues pair the ripper point with 175-78-21810, while 09244-02508 is widely listed with the shank protector. A purchase order should state which connection the pin is intended to secure and should include a drawing or measured sample.

Standard, TL and CH References

The base number and suffixes such as TL or CH appear in aftermarket catalogues. They may indicate different point profiles or supplier-specific product families, but naming is not fully standardized across sources. Do not select a variant from the suffix alone.

• Confirm the complete number shown on the existing point or in the machine parts book.

• Compare overall length, nose profile, mounting box, pin-hole position and retaining method.

• Ask the supplier to identify the exact profile on the quotation and drawing.

• Match the profile to the actual ground condition and the fleet's wear history.

Technical Specifications Buyers Should Verify

Published weights, dimensions, materials, hardness ranges and impact values vary noticeably between suppliers. This can reflect different profiles, production routes, measurement conventions or copied catalogue data. For a product page, unverified figures should not be presented as universal specifications for 195-78-21331.

Before approving an order, request a controlled drawing or inspection report covering:

• Overall length, maximum width and maximum height

• Mounting-box dimensions and contact surfaces

• Pin-hole diameter, location and retaining method

• Unit weight and stated measurement tolerance

• Material grade and heat-treatment condition

• Hardness test method, test location and acceptance range

• Lot identification and the supplier's inspection records

For an aftermarket factory, the safest public specification is the value measured from the production drawing and current quality record. If that evidence is unavailable, mark the field as "to be confirmed" rather than copying a competitor's number.

Wear Inspection and Replacement Indicators

Inspect the point and the surrounding components together. Common conditions requiring attention include:

• A rounded or blunted tip that no longer penetrates efficiently.

• Significant shortening that reduces usable ripping depth or exposes the shank nose.

• Cracks around the root, side walls or pin hole.

• An enlarged or distorted pin hole, a loose retaining system or a missing retainer.

• Uneven wear that may indicate shank damage, poor seating or misalignment.

Inspection intervals should follow the machine owner's maintenance plan and reflect the actual ground condition. High-impact rock and highly abrasive material normally require more frequent checks than light-duty soil work.

Replacement and Installation Checks

Ripper points are heavy wear parts installed in a high-load assembly. Follow the machine service procedure, isolate the equipment, lower and support the ripper safely, and use suitable lifting and pin-removal tools. Before installing a replacement point, clean and inspect the shank nose, protector, pin holes and retaining components.

Do not assume an old pin or retainer can be reused. Its condition and dimensions should be checked against the approved assembly requirement. After installation, verify full seating and secure retention before the machine returns to work.

B2B Ordering Checklist

A complete inquiry should include the following information:

1. Part number. Send a clear photo of the casting or stamped marking and include both 195-78-21331 and 1957821331 in the inquiry.

2. Machine details. Provide manufacturer, model, serial number and, if available, the parts-book page.

3. Assembly information. Identify the installed shank, protector, point pin and retainer.

4. Dimensions. Provide a drawing or measurements from an unworn reference area.

5. Photos. Include front, side, rear and mounting-box views, plus the shank nose.

6. Operating conditions. Describe the material, abrasiveness, impact level and typical failure mode.

7. Order information. State quantity, destination market, packing needs and required inspection documents.

These details allow a supplier to check compatibility before quotation, recommend the correct profile, and avoid relying on model names or appearance alone.

Frequently Asked Questions about 195-78-21331 Ripper Point

1. Is 1957821331 the same as 195-78-21331?

Yes. The compact and hyphenated forms represent the same reference number. Keep the full sequence unchanged when searching or ordering.

2. Which dozers use this ripper point?

Published ripper-system evidence supports Komatsu D275 and D355 applications. A Shantui catalogue also lists the point in an SD32 ripper configuration. Confirm the exact model, serial number and installed shank before ordering.

3. Does it fit D455 or Komatsu PC-series excavators?

Some aftermarket pages say it does, but the available lists conflict. Treat those applications as unverified until the machine parts book or an approved assembly drawing confirms them.

4. Which pin is used with the point?

175-78-21810 is a common aftermarket match for the point. The number 09244-02508 is also seen in the broader ripper assembly, especially with protector references. Confirm the exact connection and dimensions.

5. Can weight or hardness identify the correct part? 

No. Those values help with quality control, but they do not prove fitment. Part number, shank interface, pin arrangement, dimensions and machine information should be checked together.

6. What should a distributor send for a quotation? 

Send Yassian the part number, machine model and serial number, photos, key dimensions, quantity, working conditions, destination and any inspection-document requirements.

Request a Compatibility Check

For an aftermarket 195-78-21331 ripper point quotation, send the machine model and serial number, the existing part marking, photos of the point and shank nose, key dimensions, quantity and working conditions. We can review the supplied information against the production drawing and confirm the proposed point, profile and retaining components before the order is finalized.

Identification notice. Komatsu and related model names are used only to identify potential application. The product described is an aftermarket replacement unless explicitly stated otherwise. Final compatibility must be confirmed from the machine serial number, parts documentation and measured assembly details.