What models of Breaker Seal Kits fit different brands of breakers?

Hydraulic breakers, often referred to as hammers, are indispensable tools of choice in construction, demolition, and mining industries, delivering immense power to shatter concrete, rock, and other robust materials. These heavy-duty machines operate under extreme conditions, and their internal components, particularly the seal kit, are vital for ensuring seamless functionality and preventing costly leaks or breakdowns. A breaker seal kit, typically consisting of O-rings, piston seals, rod seals, dust seals, and gaskets, maintains a tight seal within the hydraulic system, safeguarding against hydraulic fluid leakage and protecting internal parts from contaminants like dirt, dust, or water. When seals wear out, they can compromise performance, leading to reduced efficiency, environmental hazards, and increased maintenance demands.

Selecting the right seal kit for your hydraulic breaker is a critical for maintaining its reliability and extending its service life. However, with numerous brands and model-specific designs, finding the correct kit can be daunting and complex task. This in-depth guide explores which breaker seal kit models are designed to fit major hydraulic breaker brands, offering clarity on compatibility and practical tips for choosing the right kit. Drawing from industry expertise, including insights from trusted suppliers like JSP Seal Kits, this article provides a comprehensive resource for contractors, operators, and maintenance professionals. Whether you’re a seasoned technician or a first-time buyer, this guide will help you navigate the world of seal kits with ease, ensuring your breaker performs at its peak.

The Role of Seal Kits in Hydraulic Breakers

A seal kit is the cornerstone of a hydraulic breaker’s hydraulic system, ensuring that hydraulic fluid remains contained while preventing contaminants from entering critical areas like the piston, cylinder, or valve assemblies. These seals are engineered to withstand high pressures, extreme temperatures, and constant motion, making them resilient yet susceptible to wear over time. A failing seal kit can lead to:

Fluid Leaks: Escaping hydraulic fluid reduces pressure, weakening the breaker’s impact force and increasing operational inefficiencies.
Contamination: Dirt, dust, or water infiltrating the system can damage internal components, leading to costly repairs.
Performance Degradation: Worn seals cause pressure retention issues, resulting in slower operation or reduced power.
Equipment Failure: Prolonged seal failure can lead to severe damage, necessitating extensive overhauls or replacement.

Choosing the correct seal kit is essential for restoring a breaker’s functionality and preventing these issues. Seal kits are primarily model-specific, designed to match the exact specifications of a breaker’s components, though some aftermarket or universal kits may offer broader compatibility. Understanding which kits fit your breaker’s brand and model is key to a successful replacement, and suppliers like JSP Seal Kits specialize in providing high-quality, OEM-compatible options for a wide range of breakers.

Types of Seal Kits

Before diving into brand-specific seal kits, it’s important to understand the two main types available:

Model-Specific Seal Kits: These are tailored to a particular breaker model and brand, ensuring a precise fit and optimal performance. They are typically OEM (Original Equipment Manufacturer) or OEM-compatible, made with high-quality materials like polyurethane, nitrile rubber (NBR), or fluorocarbon (Viton) to match the breaker’s demanding conditions. Model-specific kits are recommended for high-frequency use or critical applications.
Universal Seal Kits: These contain general-purpose seals that may fit multiple breaker models or brands. While more affordable and suitable for older or less demanding breakers, universal kits are less precise and may not offer the same durability or performance as model-specific ones. They’re often used when exact kits are unavailable or for legacy models.

To ensure compatibility, always verify your breaker’s make, model, and serial number, as even similar models within a series may require different kits. The breaker’s service manual or a supplier like JSP Seal Kits can provide guidance if you’re unsure.

Breaker Seal Kits for Major Brands

The following sections detail seal kit models for leading hydraulic breaker brands, focusing on popular series and models. The information is based on industry knowledge and insights from suppliers like JSP Seal Kits, Hercules Sealing Products, and Fujis-Seal. The table at the end summarizes key models and compatible kits for quick reference.

Atlas Copco / Epiroc

Epiroc, formerly Atlas Copco, is renowned for its durable and high-performance hydraulic breakers. Their seal kits are designed to meet the rigorous demands of models across various series.

SB Series: Includes compact breakers like SB 52, SB 102, SB 152, SB 202, SB 302, SB 452, SB 552, SB 702, and SB 1102. Seal kits for these models are available as First Refurbishment Kits (basic maintenance) or Midlife Refurbishment Kits (comprehensive overhaul), containing O-rings, piston seals, and dust seals.
MB Series: Medium-duty models like MB 750, MB 1000, MB 1200, MB 1500, and MB 1650 require kits with rod seals and backup rings for enhanced durability.
HB Series: Heavy-duty breakers such as HB 2000, HB 2500, HB 3100, HB 3600, HB 4100, HB 4700, HB 5800, HB 7000, and HB 10000 use comprehensive kits with fluorocarbon seals for high-pressure applications.
EC Series: Smaller models like EC 40, EC 50, EC 60, EC 70, EC 80, EC 90, EC 100, EC 120, EC 135, EC 140, EC 150, EC 155, and EC 165 are fitted with kits for compact excavators.
Supplier Insights: Epiroc kits are available through official dealers, while JSP Seal Kits offers OEM-compatible alternatives for cost-effective maintenance.

Caterpillar (CAT)

Caterpillar’s hydraulic breakers are engineered for integration with their excavators, requiring precise seal kits for optimal performance.

H Series: Includes H35E, H45E, H55E, H65E, H75E, H95E, H115E, H120E, H130E, H140E, H160E, and H180E. These kits feature polyurethane seals for wear resistance and dust seals for harsh environments.
B Series: Models like B20, B30, and B35 use kits with nitrile rubber seals for medium-duty applications.
Supplier Insights: JSP Seal Kits and Hercules Sealing Products provide aftermarket kits for CAT breakers, ensuring compatibility with H and B series models.

Daemo

Daemo breakers are popular in construction and demolition, with seal kits tailored to their robust DMB and S series.

DMB Series: Includes DMB210, DMB230, DMB360, and DMB450, with kits containing nitrile rubber and polyurethane seals for high-pressure systems.
S Series: Models like S1500, S2000, S2500, and S3000 require kits with dust seals for dusty job sites.
Supplier Insights: JSP Seal Kits offers kits for DMB models, while aftermarket options for S series are available through Alibaba suppliers.

Doosan / Daewoo

Doosan breakers are known for reliability, with seal kits designed for their DXB and older models.

DXB Series: Includes DXB100, DXB130, DXB170, DXB190, and DXB260, with kits featuring fluorocarbon seals for high-temperature resistance.
Older Models: Legacy Doosan/Daewoo breakers may require custom-ordered kits due to model variations.
Supplier Insights: Hercules Sealing Products and JSP Seal Kits supply kits for DXB series, with aftermarket options for older models.

Everdigm (Hanwoo)

Everdigm, formerly Hanwoo, produces breakers widely used in Asia, with seal kits for their EHB and RHB series.

EHB Series: Includes EHB04, EHB06, EHB08, and EHB30, with kits featuring NOK-brand seals (high-quality Japanese seals) for O-rings, piston seals, and dust seals.
RHB Series: RHB330 uses kits with polyurethane seals for durability.
Supplier Insights: Fujis-Seal and JSP Seal Kits offer NOK-based kits for Everdigm breakers, ensuring high performance.

Furukawa / Kent

Furukawa, sometimes branded as Kent, produces rugged breakers with model-specific seal kits.

F Series: Includes F5, F9, F12, F19, F22, F27, F35, and F45, with kits containing fluorocarbon seals for high-impact tasks.
KHB Series: KHB5G and KHB40G use kits with dust seals for tough environments.
Supplier Insights: Attachment Service Centers and JSP Seal Kits provide kits for Furukawa/Kent breakers.

General Breaker (GB)

General Breaker offers cost-effective breakers with seal kits for their GB series.

GB Series: Includes GB1T, GB2T, GB3T, GB4T, GB5T, GB6T, GB8AT, GB8T, GB8F, GB9F, GB11T, GB14T, GB50E, GB130E, GB170E, GB220E, GB228E, GB230E, GB270E, GB290E, GB300E, GB400E, and GB500E, with kits featuring NOK seals.
Other Models: GB130E and GB170E use kits with polyurethane seals.
Supplier Insights: Fujis-Seal and JSP Seal Kits supply NOK-based kits for GB breakers.

JCB

JCB breakers are used in construction and excavation, with seal kits for their HM series.

HM Series: Includes HM380, HM386Q, HM550, and HM860Q, with kits containing high-quality seals for medium-duty tasks.
VibroMax Series: Some JCB breakers under VibroMax branding may share kits with HM models.
Supplier Insights: JSP Seal Kits and Fujis-Seal offer kits for JCB HM series breakers.

John Deere

John Deere breakers are designed for their excavators, with seal kits for specific models.

HB Series: Includes HB15, HB21, HB31, and HB50, with kits containing piston seals and O-rings.
Part Number Example: KV17430 (fits multiple Deere models).
Supplier Insights: Shop.Deere.com and JSP Seal Kits provide kits for John Deere breakers.

Komatsu

Komatsu breakers are built for heavy-duty tasks, with seal kits for their JTHB and KB series.

JTHB Series: Includes JTHB08, JTHB30, JTHB50, and JTHB70, with kits featuring fluorocarbon seals.
KB Series: KB200, KB300, and KB400 use kits with polyurethane seals.
Supplier Insights: Hercules Sealing Products and JSP Seal Kits offer kits for Komatsu breakers.

MSB

MSB breakers are affordable, with seal kits for their Saga and MS series.

Saga Series: Includes Saga 20G, Saga 30G, Saga 40G, Saga 50, Saga 55, Saga 100, Saga 120, Saga 180, Saga 200, Saga 210, Saga 250, Saga 300, Saga 350, and Saga 500, with kits containing nitrile rubber seals.
MS Series: MS200, MS220, MS225, MS250, MS300, MS400, MS450, MS500, MS520, MS550, MS600, MS700, MS800, MS810, MS900, MS910, MS1000, MS35AT, MS45AT, MS55AT, and MS75AT use kits with polyurethane seals.
Supplier Insights: Jueqi Machinery and JSP Seal Kits supply kits for MSB breakers.

NPK

NPK breakers are popular in demolition, with seal kits for their H and GH series.

H Series: Includes H10XB, H12X, and H16X, with kits for high-impact applications.
GH Series: GH9, GH12, and GH18 use kits with dust seals for rugged conditions.
Supplier Insights: JSP Seal Kits and Fujis-Seal offer NPK kits with NOK seals.

Rammer

Rammer breakers are high-performance, with seal kits for their E and G series.

E Series: Includes E63, E64, E65, E66, E66N, and E68, with kits containing fluorocarbon seals.
G Series: G80, G80N, G88, G90, G100, G110, G120, and G130 use comprehensive kits.
Other Models: S18, S20, S21, S22, S23, S23N, S24, S25, S25N, S26, S26N, S27, S29, S52, S54, S55, S56, S82, S83, S84, S86, M14, M18, IN8, IN11, IN15, and IN22.
Supplier Insights: JSP Seal Kits and HammerDepot provide Rammer kits.

Soosan

Soosan breakers are widely used, with seal kits for their SB and SQ series.

SB Series: Includes SB10, SB43, SB50, SB81, SB121, SB140, and SB151, with kits containing polyurethane seals.
SQ Series: SQ80 and SQ100 use kits with dust seals.
Supplier Insights: Jueqi Machinery and JSP Seal Kits offer Soosan kits.

Stanley

Stanley breakers are reliable, with seal kits for their MB and MBX series.

MB Series: Includes MB256, MB656, MB856, and MB956, with kits featuring NOK seals.
MBX Series: MBX208 and MB40EX use kits for medium-duty breakers.
Supplier Insights: Fujis-Seal and JSP Seal Kits provide Stanley kits with NOK seals.

Toku

Toku breakers are cost-effective, with seal kits for their TNB series.

TNB Series: Includes TNB1M, TNB2M, TNB5M, TNB6E, TNB7E, TNB141LU, TNB151LU, TNB230LU, TNB14E, and TNB22E, with kits containing nitrile rubber seals.
Part Number Example: TNB141LU seal kit for Toku breakers.
Supplier Insights: Kinton Seals and JSP Seal Kits offer Toku kits.

Additional Brands and Universal Kits

Other notable brands include:

Allied: AR series (AR70, AR85). Kits available through Attachment Service Centers.
BTI: TB series (TB235, TB2580). Kits from JSP Seal Kits.
Chicago Pneumatic: CP series (CP100, CP200). Kits through Epiroc dealers.
Indeco: HP series (HP2000, HP3000). Kits from HammerDepot.
Montabert: V series (V32, V45). Kits from Fujis-Seal.
Okada: OKB series (OKB302, OKB324). Kits from Attachment Service Centers.
Sandvik: BR series (BR108, BR4099). Kits from Fujis-Seal.

Universal Seal Kits: Suppliers like Bateleur (via Alibaba) offer universal kits with general-purpose seals for brands like Komatsu or Epiroc. These are suitable for legacy models but may lack the precision of model-specific kits.

Seal Kit Compatibility Table

Brand	Series/Models	Seal Kit Features	Suppliers
Atlas Copco/Epiroc	SB 52–1102, MB 750–1650, HB 2000–10000, EC 40–165	O-rings, piston seals, dust seals, fluorocarbon	Epiroc, JSP Seal Kits, MERIT
Caterpillar (CAT)	H35E–H180E, B20–B35	Polyurethane seals, dust seals	JSP Seal Kits, Hercules Sealing
Daemo	DMB210–450, S1500–3000	Nitrile rubber, polyurethane, dust seals	JSP Seal Kits, Alibaba
Doosan/Daewoo	DXB100–260	Fluorocarbon seals	Hercules, JSP Seal Kits
Everdigm	EHB04–30, RHB330	NOK seals, polyurethane	Fujis-Seal, JSP Seal Kits
Furukawa/Kent	F5–F45, KHB5G–40G	Fluorocarbon seals, dust seals	Attachment Service Centers, JSP
General Breaker	GB1T–14T, GB50E–500E	NOK seals, polyurethane	Fujis-Seal, JSP Seal Kits
JCB	HM380–860Q, VibroMax	High-quality seals	JSP Seal Kits, Fujis-Seal
John Deere	HB15–50, KV17430	Piston seals, O-rings	Shop.Deere.com, JSP Seal Kits
Komatsu	JTHB08–70, KB200–400	Fluorocarbon, polyurethane seals	Hercules, JSP Seal Kits
MSB	Saga 20G–500, MS200–1000, MS35AT–75AT	Nitrile rubber, polyurethane seals	Jueqi Machinery, JSP Seal Kits
NPK	H10XB–H16X, GH9–GH18	High-impact seals, dust seals	JSP Seal Kits, Fujis-Seal
Rammer	E63–E68, G80–G130, S18–IN22	Fluorocarbon seals, comprehensive kits	JSP Seal Kits, HammerDepot
Soosan	SB10–151, SQ80–100	Polyurethane seals, dust seals	Jueqi Machinery, JSP Seal Kits
Stanley	MB256–956, MBX208–MB40EX	NOK seals	Fujis-Seal, JSP Seal Kits
Toku	TNB1M–22E, TNB141LU–230LU	Nitrile rubber seals	Kinton Seals, JSP Seal Kits

Factors to Consider When Choosing a Seal Kit

Selecting the right seal kit involves more than matching brand and model. Consider these factors to ensure optimal performance:

Model and Serial Number Verification:

Always check the breaker’s nameplate or manual for the exact make, model, and serial number. Variations within a series (e.g., Epiroc SB 302 vs. SB 452) may require different kits.
Provide this information to suppliers like JSP Seal Kits for accurate recommendations.

OEM vs. Aftermarket Kits:

OEM Kits: Produced by the manufacturer, offering guaranteed fit and quality. Ideal for new breakers or critical tasks but often costlier.
Aftermarket Kits: From suppliers like JSP Seal Kits, these are more affordable and often match OEM quality. Ensure the supplier uses high-quality materials like NOK seals.

Material Quality:

Choose kits with durable materials like polyurethane (wear-resistant), fluorocarbon (heat-resistant), or NOK seals (high-performance). Nitrile rubber suits general applications but may degrade faster in extreme conditions.

Application and Usage:

For heavy-duty or frequent use (e.g., mining), prioritize model-specific kits with robust materials. For occasional use or older breakers, aftermarket or universal kits may be sufficient.

Supplier Reliability:

Opt for trusted suppliers like JSP Seal Kits, Hercules Sealing Products, or Fujis-Seal, which offer warranties and technical support. Avoid low-quality kits from unverified sources, as they may fail prematurely.

Kit Contents:

Ensure the kit includes all necessary seals (e.g., piston seals, rod seals, dust seals, O-rings). Some kits may require additional components like backup rings, so check specifications.

Maintenance Planning:

Purchase from suppliers offering maintenance schedules or additional components, as seals typically need replacement every 1–2 years, depending on usage and conditions.

Where to Source Seal Kits

Seal kits are available from various sources, each catering to different needs:

OEM Dealers: Epiroc, CAT, John Deere, and others sell genuine kits through their websites or dealers (e.g., Shop.Deere.com). Best for precise fitment but may have longer lead times.
Aftermarket Suppliers:
JSP Seal Kits: Offers OEM-compatible kits for most brands, with high-quality materials and expert support for model identification.
Hercules Sealing Products: Supplies kits for over 150 brands, with custom options for unique needs.
Fujis-Seal: Specializes in kits with NOK seals for brands like Stanley, JCB, and Everdigm.
Tiger Hydraulic Breaker Sealing: Stocks over 500 kits for various brands, ideal for bulk purchases.
Jueqi Machinery: Provides affordable kits for MSB, Soosan, and others.
Online Marketplaces: Alibaba and HammerDepot offer kits for multiple brands, but quality varies. Verify supplier ratings and kit details.
Specialty Retail: Attachment Service Centers and UK Construction Parts provide kits for brands like BTI and Kent, with fast delivery options.

Tips for Choosing and Installing Seal Kits

Confirm Compatibility: Provide the supplier with your breaker’s details to avoid mismatched kits. For example, a Stanley MB656 kit won’t fit an MB856.
Inspect Kit Contents: Verify that the kit includes all required seals and matches the breaker’s specifications.
Choose Quality Materials: Opt for kits with NOK, polyurethane, or fluorocarbon seals for durability, especially in harsh conditions.
Use Aftermarket for Legacy Models: For discontinued breakers, aftermarket or universal kits may be the only option. Consult suppliers for compatibility.
Seek Expert Support: If unsure, contact JSP Seal Kits for exploded views, part lists, or model identification assistance.
Follow Installation Best Practices:

Work in a clean environment to prevent contamination.
Use specialized tools like seal installation tools and non-metallic picks to avoid damaging seals or components.
Follow the breaker’s manual for torque specifications and assembly procedures.

Plan Regular Maintenance: Schedule seal inspections every 6–12 months, depending on usage, to catch wear early and avoid unexpected failures.

Conclusion

Choosing the right breaker seal kit is a critical step in maintaining the performance and longevity of your hydraulic breaker. Leading brands like Epiroc, Caterpillar, Daemo, Doosan, Everdigm, Furukawa, General Breaker, JCB, John Deere, Komatsu, MSB, NPK, Rammer, Soosan, Stanley, and Toku offer model-specific seal kits for series like Epiroc SB, CAT H, Daemo DMB, or Toku TNB, ensuring precise fit and durability. Aftermarket suppliers like JSP Seal Kits provide high-quality, OEM-compatible kits for these brands, while universal kits may suit older or less demanding models, though with caution due to potential fit issues.

By verifying your breaker’s make, model, and serial number, and selecting a kit with high-quality materials from a reputable supplier, you can ensure a successful replacement that restores your breaker’s efficiency. The compatibility table above simplifies the selection process, highlighting key models and suppliers for quick reference. Whether you’re tackling heavy-duty demolition or routine maintenance, a well-chosen seal kit, paired with proper installation and regular upkeep, keeps your hydraulic breaker running smoothly and minimizes downtime. For a trusted selection of OEM-compatible seal kits and expert guidance, visit JSP Seal Kits to find the perfect solution tailored to your breaker’s needs.

Comprehensive Guide to Breaker Seal Kits: Matching Models for Top Hydraulic Breaker Brands