JAGUAR DA15590 Transmission

( Manufacturer Part Number: DA15590 ), ( Type: Manual Transmission ), ( Country/region Of Manufacture: United Kingdom ), ( Vintage Part: Yes )

Review JAGUAR Speed Transmission fits XK120

The Jaguar DA15590 XK120 transmission is a legendary piece of automotive history, hailing from the golden era of sports cars. This transmission was specifically designed for the iconic Jaguar XK120 model, produced between 1948 and 1954. It is a manual, synchromesh transmission, which means it offers smooth and efficient gear changes without the need for double clutching.

The XK120 transmission features four forward gears, allowing for adequate power delivery and responsiveness. The first three gears have synchromesh on both sides, ensuring seamless shifts between them. The fourth gear, on the other hand, is a direct-drive gear and does not have synchromesh. This design helps to maintain the engine's revs during upshifts, providing an engaging driving experience.

The Jaguar DA15590 XK120 transmission is known for its robust and durable construction. It employs a heavy-duty all-synchromesh design, with helical gears that reduce noise and vibration. The gearbox also comes with a triple-cone clutch, which provides excellent bite and modulation, ensuring smooth and precise engagement of the gears.

The transmission's casing is made from high-strength aluminum alloy, which not only reduces weight but also enhances the rigidity of the transmission, ensuring optimal power transfer to the wheels. Furthermore, the use of a cross-flow oiling system ensures effective lubrication of the gears, even during high-performance driving.

The Jaguar DA15590 XK120 transmission is a complex and intricately designed component, yet it is known for its simplicity and ease of use. Its compact size and lightweight construction make it an ideal choice for the XK120's mid-engine layout. The transmission's gear ratios are carefully calculated to provide the best possible balance of power and fuel efficiency, making it a popular choice among Jaguar enthusiasts and collectors alike.

In summary, the Jaguar DA15590 XK120 transmission is a masterpiece of engineering, combining robustness, durability, and performance in a compact and lightweight package. Its reputation for smooth gear changes, efficient power transfer, and ease of use has made it a favorite among Jaguar enthusiasts and a coveted component for those restoring or building their own XK120 models.

The Jaguar XK120 is a classic sports car known for its elegant design and powerful engine. When it comes to its transmission, specifically the Jaguar DA15590, there are several pros and cons to consider if you're thinking about purchasing one for your XK120 restoration project or as a replacement.

1. Authenticity: The Jaguar DA15590 is an original transmission for the XK120 model. Installing an original transmission can add value to your classic car and ensure its authenticity.

2. Smooth Operation: The transmission is known for its smooth operation and positive shifts. This can contribute to an enjoyable driving experience.

3. Availability: The Jaguar DA15590 is widely available on the used market. This can make it a more affordable option compared to other transmissions.

1. Complexity: The Jaguar DA15590 is a complex transmission system. This can make it more difficult to diagnose and repair any issues that may arise.

2. Maintenance: The transmission requires regular maintenance to ensure its proper functioning. Failure to maintain the transmission can result in costly repairs.

3. Compatibility: The Jaguar DA15590 may not be compatible with all XK120 models. It's essential to ensure that the transmission is compatible with your specific car model before making a purchase.

The Jaguar DA15590 transmission offers authenticity, smooth operation, and availability, making it an attractive option for Jaguar XK120 owners. However, it also comes with complexities, maintenance requirements, and compatibility concerns that must be considered before making a purchase.

If you're looking for an original transmission for your Jaguar XK120 and are willing to put in the effort for potential maintenance and compatibility issues, then the Jaguar DA15590 could be a good choice for you. However, if you prefer a more straightforward and reliable transmission option, you may want to consider alternative transmissions that are more user-friendly and require less maintenance. Ultimately, it's essential to weigh the pros and cons carefully and consult with a classic car expert or specialist before making a decision.

Details:

Casting # 2 DA15590, casting date May 4, 195?, Serial #JL32315. Make me an offer that I can't refuse. The transmission should have a new top gasket installed along with front and rear seals then be ready to go. The video shows that there are no broken or chipped teeth, and the synchronizes have very little wear.

But don't forget to put in new gear oil or all bets are off. To the best of my knowledge transmission is original and was shifting/running well when removed.This gearbox replaced with a modern 5 speed Uremic conversion. This Jaguar XK120 transmission was removed from a running, driving car that underwent full restoration.

part #: da15590 prices

• $2499.99-$6500.00

specifications complmanu:

• for models: Xk120
• for makes: Jaguar
• mpn: Da15590
• type: Manual Transmission
• country/region of manufacture: United Kingdom
• vintage part: Yes

returns complmanu:

• policy: No Returns

shipping complmanu:

payments complmanu:

• wallet: Apple-pay
• credit card: Visa
• other

general complmanu:

• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission
• condition: Used

seller complmanu:

• # reviews: 607
• rating: 100.0%
• city: Youngstown, Ohio

offer complmanu:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: September 7, 2025
• best offers: True

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