Here’s a **clear, trade/description-style breakdown of the gearbox/transmission in a Nissan Teana J32 2.5 (VQ25DE) — including what it is, how it works, and how it compares to Ford gearboxes:

📌 

Nissan Teana J32 2.5 (VQ25DE) – Gearbox Description

Transmission Type:

• Xtronic CVT (Continuously Variable Transmission)
  — This is Nissan’s CVT design (often Jatco-built) used on the 2.5 V6 J32. Instead of fixed gears, it uses a belt and variable pulley system for a continuously variable range of ratios.  

Common Transmission Codes:

• Often listed as RE0F09A / RE0F09B for this chassis/engine.
• Front-Wheel Drive (FF) setup.  

Characteristics:

✔ Smooth, stepless acceleration (no conventional gear shifts)

✔ Simulated ''gear steps'' in manual mode for driver input

✔ Good fuel economy and comfortable city driving behavior

✔ Often recommended only with specific Nissan CVT fluid 

Known Pros:

• Very smooth under light load
• Good for daily commuting

Known Cons:

• Sensitive to overheating/high load
• Requires correct CVT fluid and careful maintenance
• Some owners report CVT-related issues at higher mileage due to belt/pulley wear  

🔧 

What CVT Means vs Conventional Auto

A CVT does not have fixed gears like a traditional automatic. Instead it uses:

• A pair of variable pulleys
• A metal belt or chain between them
• An electronic controller that changes pulley diameter ratios continuously

This gives a smooth, stepless range of effective gear ratios. 

🔁 

Ford Gearbox Comparison / Trade

There is no direct Ford gearbox that simply ''swaps in'' for Nissan’s CVT:

❌ 

Why You Can’t Just Trade It With a Ford Unit

• Nissan CVT is not a traditional automatic — Ford doesn’t make a CVT in the same way for this size drivetrain (most Ford CVTs were limited or rare).  
• Ford mainstream gearboxes are usually conventional automatics (6R/8R/10R, Powershift, etc.) with fixed gear ratios, not CVT.  
• Bell-housing, torque converters, drivetrain mounts, and ECU communication all differ between Nissan and Ford. A direct, bolt-in trade isn’t feasible without custom fabrication and electronics work.

⚠ Practical Notes

If by ''trade / Ford'' you mean finding a Ford transmission with similar characteristics, the closest in theory would be Ford’s Powershift dual-clutch or other CVT-like units — but in practice:

✔ A Ford traditional automatic (e.g., 6R, 8R) can’t replace a Nissan CVT without heavy custom work.

✔ A Ford CVT-type transmission (like a Powershift) is also not compatible since the Nissan VQ engines and control systems are totally different.

✔ Most Ford transmissions are fixed-gear automatics with torque converters and gear sets, unlike a CVT. 

📌 

Summary (Trade-Style)

NISSAN TEANA J32 2.5 (VQ25DE)

• Gearbox: Xtronic CVT (RE0F09A/B)
• Type: Continuously Variable Transmission
• Drive: Front-Wheel Drive
• Characteristics: Smooth, stepless acceleration; simulated ''gears''; requires specific CVT fluid; common in Nissan/Infiniti vehicles of this size.  

FORD Equivalent:

• There is no direct Ford gearbox equivalent or simple trade for the Nissan CVT. Ford’s transmissions are generally conventional automatics (4-speed, 6-speed, 8-speed, etc.) or dual-clutch units — not the same technology as Nissan’s Xtronic CVT and not swap compatible without major modifications.  

If you need specific Ford transmission models and specs that might match power/torque ratings (for custom builds), let me know the Ford engine or car you’re comparing to and I can list them with torque capacities!