CATERPILLAR 1138493 Brake Pads

( Manufacturer Part Number: 1138493 ), ( Part Type: Pad Brake )

Review CATERPILLAR

The **Caterpillar 1138493** is a high-performance, precision-engineered **Caterpillar hydraulic cylinder** designed for demanding applications in heavy-duty machinery, including excavators, loaders, and other construction and industrial equipment. This robust component is built to deliver exceptional reliability, durability, and efficiency in the most extreme operating conditions, ensuring optimal performance across a wide range of tasks. Engineered with **Caterpillar s signature quality standards**, the 1138493 cylinder features a **seamless, high-strength steel construction** that resists fatigue, corrosion, and wear, even under prolonged heavy loads and harsh environmental exposure. Its **precision-machined components**, including a **hardened rod and piston**, along with **high-performance seals** from trusted manufacturers like **NOK, Parker, or Freudenberg**, guarantee smooth operation and extended service life, reducing downtime and maintenance costs for operators.

The **1138493 hydraulic cylinder** incorporates a **double-acting design**, allowing for both extension and retraction under hydraulic pressure, which enhances versatility in applications requiring bidirectional force. Its **large bore diameter and robust rod size** provide superior load-bearing capacity, making it ideal for heavy-duty lifting, pushing, and digging operations where precision and strength are critical. The cylinder s **integrated mounting flanges** and **robust tie rods** ensure secure attachment to the machinery, minimizing alignment issues and enhancing structural integrity. Additionally, the **sealed rod wiper and dust boot system** protects internal components from contaminants, debris, and moisture, further extending the cylinder s operational lifespan in dusty, wet, or abrasive environments.

For applications where **compact yet powerful performance** is essential, the 1138493 cylinder offers an optimized stroke length-to-size ratio, allowing for efficient integration into tight spaces without compromising power output. Its **low-friction design** reduces energy loss, improving overall system efficiency while lowering fuel consumption in hydraulic systems. Built to meet or exceed **OEM specifications**, this cylinder is a **direct replacement part** for many Caterpillar and compatible heavy machinery models, ensuring seamless compatibility with existing hydraulic systems. Whether deployed in **mining, construction, forestry, or industrial settings**, the **1138493** delivers the **consistency, strength, and longevity** that operators demand from Caterpillar-branded components, reinforcing its reputation as a **trusted workhorse** in the most demanding applications.

### **Pros and Cons of Buying a Caterpillar 1138493 (Cat 1138K4 Engine)**

The **Caterpillar 1138493** is a **11.1L (676 cu in) C11 ACERT** engine, commonly used in heavy-duty applications such as trucks, generators, and marine vessels. Below is a detailed analysis of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros of the Caterpillar 1138493**

1. **Reliability and Durability**

- Caterpillar engines are renowned for their robustness and long service life, especially in harsh operating conditions.

- The **C11 ACERT** platform is well-proven, with millions of hours of field experience, reducing the risk of catastrophic failure.

- Heavy-duty construction with high-quality materials ensures longevity, even in demanding applications.

2. **Fuel Efficiency and Emissions Compliance**

- The **ACERT (Advanced Clean Engine Technology)** meets or exceeds **EPA 2010 and EU Stage IV emissions standards**, making it suitable for modern regulations.

- Improved combustion efficiency and reduced fuel consumption compared to older diesel engines, leading to cost savings over time.

- Lower **NOx and particulate emissions** than previous generations, reducing environmental impact.

3. **Aftermarket Support and Parts Availability**

- Caterpillar has an extensive **global parts distribution network**, ensuring quick access to genuine components.

- A vast **aftermarket support system** exists, with remanufactured engines, rebuild kits, and performance upgrades available.

- Many independent mechanics and dealerships specialize in Caterpillar engines, making maintenance easier.

4. **Performance and Power Output**

- The **1138493** produces **375 450 hp (280 335 kW)** and **1,500 1,800 lb-ft (2,030 2,430 Nm) of torque**, depending on the application and tuning.

- High torque output makes it ideal for **towing, marine use, and heavy-duty trucking**.

- Turbocharged and aftercooled for consistent power delivery under load.

5. **Lower Operating Costs Over Time**

- While the **initial purchase price** may be higher than some competitors, the **reduced fuel consumption, lower emissions fines risk, and extended service intervals** often offset costs.

- **Longer oil change intervals** (up to **500 hours** in some applications) reduce maintenance frequency.

- **Remanufactured engines** are cost-effective alternatives to new ones, retaining most performance while being significantly cheaper.

6. **Compatibility with Modern Technology**

- Works seamlessly with **electronic fuel injection (EFI), turbocharging, and emissions control systems** found in newer vehicles.

- Can be integrated with **telematics and predictive maintenance systems** for better fleet management.

7. **Resale Value**

- Caterpillar engines hold their value well due to their reputation for reliability, making them a good long-term investment.

- Remanufactured units also retain a decent resale market, especially in industrial and marine sectors.

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### **Cons of the Caterpillar 1138493**

1. **High Initial Cost**

- **New engines** are expensive, with prices ranging from **$50,000 $80,000 **, depending on modifications and market demand.

- **Remanufactured units** are more affordable (typically **$20,000 $40,000**), but still costly compared to some competitors like Cummins or Detroit Diesel.

2. **Complexity and Maintenance Requirements**

- **High-tech emissions systems** (DPF, SCR, EGR) require **specialized knowledge** to maintain, increasing labor costs.

- **More moving parts** (turbochargers, injectors, aftertreatment systems) mean a higher chance of **wear and failure** over time.

- **Strict maintenance schedules** must be followed to avoid **emissions-related failures or warranty voids**.

3. **Fuel Sensitivity**

- The **ACERT engine is optimized for ultra-low sulfur diesel (ULSD,

- **Biodiesel blends** (above 20%) may require additional filtration and can affect performance if not properly managed.

4. **Potential for Emissions-Related Issues**

- **DPF (Diesel Particulate Filter) clogging** can occur if maintenance is neglected, leading to **reduced power and costly cleanings**.

- **SCR (Selective Catalytic Reduction) systems** require **AdBlue (urea solution)**, adding an extra fuel cost and maintenance point.

- **EGR (Exhaust Gas Recirculation) failures** can lead to **overheating and power loss**, requiring expensive repairs.

5. **Noise and Vibration Levels**

- Like most large diesel engines, the **1138493 can be loud and vibration-prone**, especially in older models or poorly maintained units.

- **Sound insulation and vibration dampening** may be required in some applications (e.g., marine or stationary generators).

6. **Limited Lifespan Compared to Simpler Engines**

- While durable, **emissions systems and turbochargers** have finite lives and may need replacement every **150,000 300,000 miles**, depending on use.

- **Non-emissions-compliant engines** (older models) may last longer but are **illegal in many regions** and have **higher fuel consumption**.

7. **Dependence on Caterpillar Dealers for Service**

- **Non-Caterpillar mechanics may lack expertise** in diagnosing and repairing emissions-related issues, increasing service costs.

- **Warranty claims** may require submission to Caterpillar, which can be **bureaucratic and time-consuming**.

8. **Potential for Overkill in Some Applications**

- For **light-duty or occasional-use vehicles**, the **high power and complexity** may be unnecessary, leading to **underutilization and higher costs**.

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### **Conclusion**

The **Caterpillar 1138493 (C11 ACERT)** is one of the most **reliable, fuel-efficient, and emissions-compliant** heavy-duty diesel engines available. Its **proven durability, strong aftermarket support, and high performance** make it an excellent choice for **commercial trucking, marine applications, and industrial generators**. However, its **high initial cost, complex maintenance requirements, and emissions-related upkeep** can be significant drawbacks, especially for **budget-conscious or small-scale operators**.

For **fleet owners, long-haul truckers, or businesses running heavy-duty equipment**, the **1138493 is a strong investment** that pays off in **fuel savings, longevity, and resale value**. For **individuals or those with simpler needs**, a **remanufactured unit or a slightly older model** (if emissions-compliant) may be a more cost-effective alternative.

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### **Recommendation**

You need **maximum reliability and longevity** in a **heavy-duty application** (trucks, marine, generators).

You operate in a **regulated environment** where **emissions compliance is mandatory**.

You have **access to proper maintenance and can afford** the **higher upfront and service costs**.

You plan to **keep the engine for 200,000 miles** and benefit from its **fuel efficiency and low operating costs**.

You are on a **tight budget** and cannot afford the **high initial or maintenance costs**.

Your application is **light-duty or infrequent**, making a **simpler engine (e.g., Cummins ISL, Detroit DD15)** more practical.

You **lack access to Caterpillar-certified mechanics** for emissions-related repairs.

You **cannot commit to strict fuel and maintenance schedules** (e.g., using high-sulfur diesel or neglecting DPF cleaning).

- **New Engine:** Best for **new builds or high-end applications** where **maximum performance and warranty coverage** are critical.

- **Remanufactured Engine:** Best for **cost-conscious buyers** who still want **Caterpillar reliability** without the new price.

- **Used (Well-Maintained):** Only recommended if **full service history is available** and **emissions systems are up to date**.

The **Caterpillar 1138493 is one of the best heavy-duty diesel engines** for those who prioritize **performance, durability, and compliance**. However, it is **not the best choice for everyone** evaluate your **budget, application, and maintenance capabilities** before purchasing. If you can meet its demands, it will **outperform and outlast** many competitors in the long run.

Details:

Designed specifically for trucks, trailers, and buses. Manufactured following strict OE standards to work like the original component. Made of high-quality components for durability, reliability, and performance. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle.

Engineered using the latest technology to ensure product lasts longer in service. 1138493 for Caterpillar: Part Number: Manufacturer: Caterpillar.

part #: 1138493 prices

• $14.57-$23.27

specifications motorcyclepadus:

• for makes: Caterpillar
• mpn: 1138493
• part type: Pad Brake

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• service: Standard
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• class: Standard
• type: Fixed
• transit: 4-8 Days

offer motorcyclepadus:

• availability: In Stock
• started: February 4, 2026
• quantity: 2
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• # reviews: 64233
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general motorcyclepadus:

• Motorcycle Scooter Parts Accessories > Brakes Brake Parts > Brake Pads
• condition: New

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• time: 30 Days

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