DETROIT DIESEL Crankshaft Engine 05107033 6-71

( Brand: Detroit Diesel ), ( Manufacturer Part Number: 5107033 ), ( Part Type: Crankshaft Engine ), ( Country Of Origin: United States )

Review DETROIT DIESEL Crankshaft 6-71 Engine

The **Detroit Diesel 5107033 Crankshaft (Part Number 05107033)** is a precision-engineered component designed exclusively for the **6V-71 series diesel engine**, a robust and reliable powerplant originally developed by Detroit Diesel for heavy-duty applications such as commercial trucks, buses, and industrial machinery. This crankshaft is forged from high-grade alloy steel, ensuring exceptional strength, durability, and resistance to fatigue under the extreme stresses of continuous high-torque operation. The design incorporates **seven main journal bearings** to support the rotating assembly, each meticulously machined to exacting tolerances to minimize friction and maximize efficiency. The crankshaft features **four counterweights** strategically positioned to balance the reciprocating forces of the engine s pistons, reducing vibration and enhancing overall smoothness and longevity. The **main and connecting rod journal surfaces** undergo a multi-stage grinding process, often including nitriding or induction hardening, to achieve a hardened case depth that resists wear and pitting, even under the most demanding operating conditions. This crankshaft is a critical component in maintaining the structural integrity and performance of the 6V-71 engine, which was widely used in applications requiring dependable power, such as school buses, delivery trucks, and construction equipment. Whether replacing a worn-out original part or upgrading an engine for extended service life, this crankshaft is a direct-fit, OEM-quality replacement designed to restore peak performance and reliability. Its compatibility with aftermarket and remanufactured 6V-71 engines makes it a sought-after component for restoration projects and fleet maintenance, ensuring that engines continue to deliver the power and endurance expected from Detroit Diesel s legendary engineering.

### **Pros and Cons of Buying a Detroit Diesel 5107033 Crankshaft (05107033) for a 6-71 Engine**

1. **Compatibility and Fitment** The 5107033 crankshaft is specifically designed for the Detroit Diesel 6-71 engine series, ensuring a proper fit without modification. This reduces the risk of alignment or balancing issues that can arise with aftermarket parts.

2. **Durability and Reliability** Detroit Diesel is known for producing robust, heavy-duty components built to withstand high torque and prolonged use. A genuine crankshaft from this series is engineered to handle the demands of commercial trucking, marine, or industrial applications.

3. **Warranty Coverage** Purchasing from an authorized dealer or a reputable supplier may include warranty protection, offering peace of mind against manufacturing defects. This is particularly valuable if the crankshaft is being installed in a critical application.

4. **Performance Consistency** Since the crankshaft is part of the original engine family, it maintains the same performance characteristics as the rest of the 6-71 s components. This ensures balanced power delivery and longevity when paired with matching parts.

5. **Easier Maintenance and Repairs** Using an OEM (Original Equipment Manufacturer) crankshaft simplifies maintenance procedures, as tools, gaskets, and other components are designed to work seamlessly with it. This reduces the likelihood of compatibility issues during rebuilds.

6. **Resale Value** If the engine is being restored or sold later, having a genuine Detroit Diesel crankshaft can enhance its perceived value, as buyers often prefer fully OEM or high-quality rebuilt components.

7. **Access to Technical Support** Detroit Diesel provides extensive technical documentation, service bulletins, and customer support for OEM parts. This can be invaluable for troubleshooting or ensuring proper installation.

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1. **High Cost** Genuine Detroit Diesel crankshafts are significantly more expensive than aftermarket alternatives. The price can range from **$1,500 to $3,500 **, depending on the supplier, condition (new vs. rebuilt), and additional fees (shipping, taxes, etc.). This can be a substantial investment for DIYers or those on a tight budget.

2. **Long Lead Times** Due to the specialized nature of heavy-duty diesel parts, stock availability can be limited. Orders may require weeks or even months to fulfill, delaying engine rebuilds or vehicle repairs.

3. **Limited Customization** Unlike aftermarket options, the 5107033 crankshaft does not offer performance upgrades (e.g., forged steel variants, balanced for high-RPM applications). If modifications are desired, aftermarket alternatives may provide better flexibility.

4. **Potential for Counterfeit Parts** Purchasing from unscrupulous sellers increases the risk of receiving a fake or salvaged crankshaft. Always verify the part s authenticity through serial numbers, purchase from authorized dealers, or reputable online marketplaces (e.g., RockAuto, eBay with seller verification, or Detroit Diesel s official channels).

5. **Weight and Handling Challenges** The crankshaft is a heavy component (typically ** 150 200 lbs**), making transportation and installation difficult for individuals without proper lifting equipment (e.g., hoists, forklifts). This may require professional assistance, adding to labor costs.

6. **Depreciation Risk** While durable, the 6-71 engine series is older (discontinued in the 2000s), and parts may become harder to source over time. If the engine is used in a niche application, future repairs could become increasingly expensive.

7. **Environmental and Disposal Concerns** If purchasing a used or rebuilt crankshaft, ensure it has been properly cleaned and inspected for wear or damage. Improperly handled used parts may contain contaminants or have hidden defects.

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The **Detroit Diesel 5107033 crankshaft (05107033) for the 6-71 engine** is a **high-quality, reliable choice** for those prioritizing durability, compatibility, and long-term performance. It is ideal for **professional mechanics, fleet operators, or enthusiasts restoring classic diesel engines** where OEM parts are preferred. However, the **high cost, long lead times, and lack of customization** make it less suitable for budget-conscious DIYers or those seeking performance upgrades.

For **budget-friendly alternatives**, aftermarket crankshafts from reputable manufacturers (e.g., **Cummins, Mack, or specialty suppliers like Crankshafts.com**) may offer comparable performance at a lower price, though they require careful research to ensure quality. If cost is not a concern and **authenticity and longevity** are the top priorities, the Detroit Diesel part remains the safest option.

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- **Buy from an authorized dealer or a trusted supplier** (e.g., **Detroit Diesel Authorized Parts Distributors, RockAuto, or eBay with verified sellers**) to avoid counterfeit parts.

- **Budget for additional costs** (shipping, labor, tools) when purchasing, as the crankshaft alone is a significant investment.

- **Consider a rebuilt crankshaft** if new is unavailable, but ensure it comes with a warranty and thorough inspection.

- **If modifying the engine**, research aftermarket options (e.g., **forged steel cranks, balanced variants**) for potential performance gains.

- **For DIYers on a tight budget**, weigh the pros and cons carefully if the engine is critical to your operation, the OEM part is worth the expense; otherwise, a vetted aftermarket alternative may suffice.

Ultimately, the **5107033 crankshaft is the best choice for those who value reliability and OEM quality**, but it is not the most economical option. Always balance immediate cost savings with long-term reliability when making the decision.

Details:

P/N: 05107033. FOR: 6-71 ENGINE. INLINE DIESEL 6 CYLINDER ENGINE.

part #: 5107033 prices

• $2995.00-$3998.98

specifications cranshafengin:

• brand: Detroit Diesel
• mpn: 5107033
• part type: Crankshaft Engine
• country of origin: United States

shipping cranshafengin:

returns cranshafengin:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

payments cranshafengin:

• check
• other
• money order
• cash
• wallet: Google-pay
• credit card: Visa

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

seller cranshafengin:

• rating: 100.0%
• city: Brook Park, Ohio
• # reviews: 571

offer cranshafengin:

• started: April 6, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• best offers: True

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