fits make: Ford.

( Manufacturer Part Number: 236500A-K ), ( Type: Automatic Transmission ), ( Oe/oem Part Number: 236500ab ), ( Manufacturer Warranty: Lifetime ), ( Items Included: Gear Pump ), ( Universal Fitment: Yes ), ( Vintage Part: No ), ( Country Of Origin: United States )
The **Ford 236500A-K 6R140 Transmission Pump** is a critical component of the **6R140 automatic transmission**, a robust and high-performance powertrain system designed for Ford s full-size trucks, including models like the **F-150, F-250, F-350, and Super Duty** vehicles from **2011 and later**. This precision-engineered pump plays a pivotal role in maintaining optimal hydraulic pressure within the transmission, ensuring seamless gear shifts, efficient torque conversion, and overall longevity of the drivetrain. Crafted from high-grade materials, the **236500A-K pump** features a durable **aluminum housing** reinforced with **steel components** where necessary, providing resistance to wear, heat, and fluid degradation over extended use. Its **internal impeller and vane design** is optimized for consistent fluid flow, preventing cavitation and ensuring smooth operation even under heavy loads, such as towing or hauling. The pump s **sealed bearings and precision-machined shaft** minimize friction, reducing energy loss and extending the life of the transmission fluid. Compatible with **Ford s Type F and Type T transmission fluids**, this pump is engineered to meet the demanding requirements of modern diesel and gasoline engines, delivering reliable performance in both urban driving and rugged off-road conditions. Whether installed in a **workhorse truck, a heavy-duty fleet vehicle, or a high-performance towing application**, the **6R140 pump** ensures that the transmission operates with precision, reducing the risk of failure and costly repairs. Replacing a worn or leaking pump is a straightforward yet essential maintenance step for preserving the integrity of the entire drivetrain, making this component a **must-have replacement part** for Ford owners seeking to maintain peak performance and reliability in their vehicles.
### **Ford 236500A-K 6R140 Transmission (2011-Up) Pros and Cons**
#### **Overview**
The **Ford 6R140** is a six-speed automatic transmission used in various Ford vehicles, including the **F-150, F-250, F-350, Excursion, Expedition, Navigator, and some Lincoln models** (2011 and later). It is a refinement of the earlier **6R80** and **6R70** transmissions, offering improved durability, efficiency, and performance. Below is a detailed breakdown of its advantages and drawbacks.
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### **Pros**
1. **Improved Durability and Reliability**
- The **6R140** is a significant upgrade over its predecessors, featuring a **more robust torque converter** and **strengthened planetary gears**, reducing the likelihood of internal failures.
- Better **sealing and cooling** systems help prevent leaks and overheating, which were common issues in earlier transmissions.
- Many owners report **longer lifespan** (150,000 miles with proper maintenance) compared to the **6R80/6R70**, which often failed around **100,000 120,000 miles** under heavy loads.
2. **Better Shift Quality and Smoothness**
- The **6R140** uses a **dual-clutch torque converter** (similar to some modern CVTs) for **faster, more precise shifts**, reducing jerkiness in acceleration.
- **Electronic shift solenoids** provide **more responsive gear changes**, improving drivability in both **light-duty and heavy-duty applications**.
- **No more "hard shifts"** that were a complaint in the **6R80**, making it more comfortable for daily driving.
3. **Higher Torque Handling**
- Designed to handle **up to 7,500 lb-ft of torque** (in heavy-duty versions), making it suitable for **towing, hauling, and performance applications**.
- The **6R140HD** variant (found in **F-250 Super Duty, F-350, etc.**) is even more robust, with **reinforced components** for extreme loads.
- Works well with **high-output engines** (e.g., **Power Stroke 6.7L, EcoBoost V6, and twin-turbo V8s**) without excessive wear.
4. **Fuel Efficiency Improvements**
- The **6R140** incorporates **better shift logic and torque converter efficiency**, leading to **slightly improved MPG** compared to the **6R80**.
- **EcoBoost models** (with the 6R140) often achieve **better fuel economy** than their V8 counterparts due to optimized gear ratios.
5. **Easier and More Affordable Repairs (Compared to 6R80/6R70)**
- While still complex, the **6R140** is **more forgiving** in terms of **solenoid failures, valve body issues, and torque converter problems** than the **6R80**.
- **Common failure points** (e.g., **solenoid packs, reverse idler gear, and input/output shafts**) are **more accessible and cheaper to replace** than in older transmissions.
- **Aftermarket support** (e.g., **TorqueFlite, ATS, and Ford dealership parts**) is widely available, reducing downtime.
6. **Compatibility with Modern Ford Vehicles**
- Used in **2011 2020 Ford trucks and SUVs**, making it a **reliable used option** for those needing a **heavy-duty transmission**.
- **No major redesigns** (unlike the **10R80**, which replaced it in 2021), meaning **parts and labor costs remain stable** for now.
7. **Good for Towing and Hauling (When Properly Maintained)**
- With **proper fluid changes (every 30K 50K miles)** and **cooling system maintenance**, the **6R140 can handle significant loads** (up to **10,000 lbs** in some configurations).
- **Less prone to "slipping" under heavy load** compared to the **6R80**, though **overheating remains a risk** if not cooled properly.
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### **Cons**
1. **Expensive to Replace (If Necessary)**
- A **new or rebuilt 6R140** can cost **$3,500 $6,000 **, depending on the **heavy-duty variant** and labor.
- **Dealer labor rates** for transmission replacement are **high** (often **$1,500 $2,500 **), making it a **major investment** if it fails prematurely.
2. **Electronic Complexity and Potential Software Issues**
- The **6R140 relies heavily on electronics** (PCM, solenoids, shift solenoids), meaning **software glitches or sensor failures** can cause **rough shifts or no-shifts**.
- **PCM updates** may be required if the transmission **doesn t shift properly** after a rebuild or fluid change.
- **Less forgiving than a manual transmission** if the **PCM or wiring fails**, it can **brick the transmission** until repaired.
3. **Torque Converter Failures (Common Weak Point)**
- The **torque converter** in the **6R140** is **notoriously weak**, especially in **high-torque applications** (e.g., **Power Stroke trucks**).
- **Symptoms of failure**:- **Slipping under load**
- **Delayed engagement**
- **Whining or grinding noises**
- **Overheating**
- **Replacement cost**: **$1,500 $2,500** (including labor), making it a **major expense** if it fails early.
4. **Solenoid and Valve Body Failures**
- The **shift solenoids and valve body** can **wear out over time**, leading to:- **Harsh or delayed shifts**
- **Stuck gears (especially 1st and reverse)**
- **No reverse or no drive**
- **Replacement cost**: **$800 $1,500** for solenoids/valve body, plus labor.
5. **Overheating Risks (If Cooling System is Neglected)**
- The **6R140 lacks a dedicated transmission cooler** in some applications (e.g., **F-150 with EcoBoost**), leading to **overheating under heavy loads**.
- **Symptoms**:- **Burning smell**
- **Fluid breakdown (dark, burnt smell)**
- **Transmission slipping or locking up**
- **Solution**: **Install a transmission cooler** (especially for **towing/hauling**) and **change fluid every 30K 50K miles**.
6. **Reverse Idler Gear Wear (Common Issue in Older Units)**
- The **reverse idler gear** can **wear out**, causing:- **Reverse not engaging**
- **Grinding noise in reverse**
- **Transmission slipping**
- **Replacement cost**: **$500 $1,200** (labor-intensive due to **removing the torque converter**).
7. **Limited Longevity in Extreme Conditions**
- While **more durable than the 6R80**, the **6R140 is not indestructible**.
- **Heavy-duty use (constant towing, off-roading, high torque)** can **accelerate wear** if **fluid is not changed regularly** and the **cooling system is inadequate**.
- **Some owners report failures around 150,000 200,000 miles** if **neglected**, though **proper maintenance can extend its life significantly**.
8. **No Major Upgrades Since 2011 (Compared to Newer Transmissions)**
- The **6R140 was replaced by the 10R80 in 2021**, meaning:- **No further refinements** in **shift quality, efficiency, or durability**.
- **Parts may become harder to find** as Ford shifts production to the **10R80**.
- **No hybrid/electric compatibility** (unlike newer transmissions).
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### **Common Failure Points & Maintenance Tips**
**Issue** **Symptoms** **Cause** **Fix**
----------- ------------- ----------- ---------
**Torque Converter Failure** Slipping, delayed engagement, whining Wear from heat/load Replace converter ( $1,500 $2,500)
**Solenoid/Valve Body Failure** Harsh shifts, no reverse, no drive Fluid contamination, wear Rebuild or replace ( $800 $1,500)
**Reverse Idler Gear Wear** Grinding in reverse, reverse not engaging Normal wear Replace gear ( $500 $1,200)
**Overhe
This is tenon PTO type pump. Transmission: 6R140 Part: Transmission Oil Pump Assembly Type: NON PTO Fitment: 2011 Up Ford F-250 / F-350 F-450 F-550 E-Series w/ 6R140 Warranty: Lifetime Warranty. Important Fitment Note: There are different versions PTO vs NON-PTO. 6R140 Transmission Oil Pump Assembly NON PTO Type 2011 Up Ford High quality transmission oil pump assembly for Ford Super Duty applications.