MACK CL733 Fuel Tanker Cummins Motor Manual 18SPD
( Brand: Mack ), ( Manufacturer Part Number: CL733 ), ( Part Type: Fuel Motor Manual ), ( Model Year: 2001 )
Review MACK Fuel Tanker Truck Cummins Motor Manual 18spd
The **CL733 Mack Fuel Tanker with Cummins Engine and Manual 18-Speed Transmission** is a robust, high-performance workhorse designed for the demanding needs of fuel distribution, logistics, and industrial transport. Built on Mack s legendary **CL733 chassis**, this tanker combines unmatched durability with cutting-edge engineering to ensure reliability, efficiency, and operational excellence in even the harshest conditions. The **Cummins diesel engine**, a powerhouse in its own right, delivers exceptional torque and fuel economy, making it ideal for long-haul hauling and frequent stop-and-go operations. With its **manual 18-speed transmission**, this tanker offers precise control over gear selection, allowing operators to optimize fuel efficiency and payload capacity while navigating diverse terrains from urban delivery routes to rural highways. The **fuel tank system** is engineered for maximum capacity and corrosion resistance, featuring high-grade stainless steel or heavy-duty coated materials to prevent leaks, rust, and contamination, ensuring the safe and hygienic transport of diesel, gasoline, or other liquid fuels. Equipped with **hydraulic tank leveling and stabilizing systems**, this vehicle maintains stability during loading and unloading, reducing operator fatigue and minimizing spillage. Advanced **Mack Drive** technology enhances fuel efficiency and reduces maintenance costs, while the **cab design** prioritizes comfort with ergonomic controls, climate control, and ample visibility for safe maneuvering. Whether deployed in commercial fueling operations, military logistics, or industrial applications, this tanker exemplifies strength, versatility, and long-term dependability, making it a cornerstone asset for businesses requiring reliable, high-capacity liquid transport solutions.
### **Pros and Cons of Buying a CL733 Mack Fuel Tanker with a Cummins Motor (Manual 18-Speed Transmission)**
#### **Pros**
1. **Reliability and Durability**
The Mack CL733 chassis is known for its robust construction, designed for heavy-duty applications like fuel transport. The Cummins engine is widely regarded for its longevity, especially in diesel-powered vehicles, with models like the **Cummins ISB or ISL** (depending on the year) offering strong torque and fuel efficiency. Properly maintained, these engines can last well over 1 million miles.
2. **High Payload Capacity**
The CL733 is built for heavy hauling, making it ideal for fuel tankers, which require significant structural integrity to carry large volumes of diesel or gasoline. The reinforced frame and suspension can handle the weight of fully loaded tanks without excessive wear.
3. **Manual 18-Speed Transmission**
A manual 18-speed transmission provides precise control over gear selection, which is advantageous for:- **Fuel tanker operations**, where gradual acceleration and braking are critical for safety (especially when carrying flammable liquids).
- **Off-road or rough-terrain use**, if applicable, allowing for better adaptability to varying road conditions.
- **Lower maintenance costs** compared to automatic transmissions, as manual transmissions have fewer complex components that can fail.
4. **Fuel Efficiency (Relative to Size)**
Cummins engines, particularly turbocharged and aftertreated models, are optimized for fuel efficiency in heavy-duty applications. While not as efficient as modern diesel engines, they still offer better mileage than older or less optimized engines.
5. **Resale Value and Market Demand**
Mack trucks, especially older models like the CL733, still hold value in the commercial trucking market, particularly in regions where they are commonly used. Cummins-powered trucks are also in demand due to their reputation for reliability.
6. **Customization and Upgrade Potential**
The CL733 platform allows for modifications, such as:- **Engine upgrades** (e.g., turbocharger swaps, exhaust tuning).
- **Suspension and braking system enhancements** for better load handling.
- **Fuel tank modifications** (e.g., larger capacity, corrosion-resistant materials).
This makes the truck adaptable to specific operational needs.
7. **Lower Initial Cost (Compared to New Trucks)**
Used CL733 fuel tankers with Cummins engines are significantly cheaper than new models, making them a cost-effective option for businesses or individuals looking to enter the fuel transport industry without a large upfront investment.
---
#### **Cons**
1. **Age and Wear**
The CL733 is an older model (originally produced in the late 1990s to early 2000s), which means:- **Higher maintenance costs** due to aging components (e.g., worn-out drivetrain parts, outdated fuel systems).
- **Potential for hidden issues** such as frame rust, electrical system failures, or transmission wear, especially if the truck has not been well-maintained.
- **Limited availability of OEM parts**, as Mack has shifted focus to newer models, making repairs more expensive.
2. **Emissions Compliance**
Older Cummins engines (pre-2007) may not meet modern **EPA emissions standards**, particularly **EPA 2010 or later regulations**. Retrofitting or modifying the engine to comply with emissions laws can be costly and may reduce performance. Some states or regions have stricter rules, making older trucks less viable for operation.
3. **Fuel Economy Limitations**
While Cummins engines are efficient for their class, they are not as fuel-efficient as newer **EPA 2010 compliant engines** (e.g., Cummins X15, X12). Higher fuel consumption can significantly impact operating costs, especially for long-distance fuel transport.
4. **Driver Comfort and Ergonomics**
Older Mack models lack modern driver amenities such as:- **Advanced cab designs** (e.g., sleeper berths, climate control, ergonomic seating).
- **Telematics and GPS integration**, which are now standard in newer trucks for fleet management.
- **Noise and vibration levels**, which can be higher due to outdated suspension and engine mounts.
5. **Transmission Limitations**
While the 18-speed manual transmission offers control, it also requires:- **Skilled drivers** who can manage shifting efficiently, which may increase labor costs.
- **More frequent maintenance** (e.g., clutch adjustments, synchronizer wear).
- **Slower acceleration** compared to modern automatic transmissions with torque converters.
6. **Safety Concerns**
Older fuel tankers may lack modern safety features such as:- **Electronic stability control (ESC)**.
- **Advanced braking systems** (e.g., ABS with EBS).
- **Better fuel containment systems** (e.g., double-walled tanks, spill prevention).
This increases the risk of accidents or fuel leaks, which are critical concerns in the fuel transport industry.
7. **Insurance and Liability Risks**
Insurers may charge higher premiums for older trucks due to:- **Increased likelihood of breakdowns**.
- **Higher repair costs**.
- **Stricter regulations** on fuel transport safety.
Businesses must weigh these risks against potential savings.
8. **Limited Technology Integration**
Modern fuel transport operations rely on:- **Real-time tracking** (GPS, telematics).
- **Automated fuel level monitoring**.
- **Digital documentation** (e.g., electronic logs, fuel receipts).
Older trucks may not support these systems, leading to inefficiencies.
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### **Conclusion**
Buying a **CL733 Mack fuel tanker with a Cummins engine and manual 18-speed transmission** can be a **cost-effective and reliable choice** for businesses or individuals who:
- Operate in regions where emissions compliance is less strict.
- Prioritize **manual control** for fuel transport safety.
- Have access to **mechanics experienced with older Mack/Cummins trucks**.
- Are willing to **invest in maintenance and potential upgrades** to keep the truck operational.
However, the **higher long-term costs, emissions concerns, and lack of modern features** make this a **less ideal choice** for:- Businesses planning long-term operations (5 years).
- Those in highly regulated markets (e.g., urban areas with strict emissions laws).
- Operators who require **fleet management technology** or **driver comfort**.
---
### **Recommendation**
1. **If Buying Used:**- **Inspect thoroughly** for frame rust, engine condition, and transmission wear.
- **Verify maintenance records** to ensure the truck has been properly serviced.
- **Test emissions compliance** retrofitting may be necessary, adding to costs.
- **Consider a Cummins engine with EPA 2007 or later compliance** if possible, as these are more viable for long-term use.
2. **If Possible, Explore Alternatives:**- **Newer Mack models** (e.g., **Mack Anthem, Granite**) with **EPA 2010 Cummins engines** offer better fuel efficiency, emissions compliance, and technology integration.
- **Used but well-maintained fuel tankers** from **2010 onward** (e.g., Freightliner Cascadia, Peterbilt 579) provide a better balance of reliability and modern features.
- **Leasing or renting** a newer truck may be more cost-effective than purchasing an older model.
3. **Budget for Upgrades:** If you proceed with the CL733, allocate funds for:- **Engine retrofitting** (if emissions-compliant).
- **Suspension and braking upgrades** for safety.
- **Telematics installation** for tracking and fleet management.
- **Fuel tank reinforcement** if the current setup is outdated.
4. **Operational Considerations:**- **Train drivers** properly in manual transmission handling to maximize efficiency.
- **Monitor fuel consumption closely** older engines may burn more diesel per mile.
- **Plan for higher maintenance costs** and set aside a repair fund.
### **Final Verdict**
The **CL733 Mack with a Cummins engine and manual transmission** is a **viable purchase for short-term or budget-conscious buyers**, particularly in less regulated markets. However, for **long-term profitability and compliance**, investing in a **newer, emissions-compliant fuel tanker** is the **more prudent choice**. If you proceed with the older model, **rigorous inspection, maintenance planning, and potential upgrades** are essential to mitigate risks.
Details:
Nice Mack fuel truck with 3500 gallon stainless tank. Willis APU system. Everything works as it should. Cummins signature 600 motor with 367,000 miles.
Was used reliably for pumping jet fuel in support of firefighting operations. Honda pump motor and pneumatic internal valve. 18 speed manual transmission.
specifications heavequipm:
- brand: Mack
- mpn: Cl733
- part type: Fuel Motor Manual
- model year: 2001
shipping heavequipm:
payments heavequipm:
- credit card: Mastercard
- wallet: Apple-pay
- wire transfer
returns heavequipm:
- policy: Returns Accepted
- method: Money back
- paid by: Seller
- time: 30 Days
general heavequipm:
- Heavy Equipment, Parts Attachments > Heavy Equipment > Other Heavy Equipment
- condition: Used
offer heavequipm:
- availability: In Stock
- sold: 0
- quantity: 1
- started: April 9, 2026
- options: Seller-arranged-local-pickup
seller heavequipm:
- city: Reno, Nevada
- # reviews: 1146
- rating: 100.0%
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