Contract motor
* An engine removed from a car that had minor damage or could not be restored.
* Usually has low mileage and is in good technical condition.
* Sold at a price lower than a new motor.
Automatic transmission
* Transmission with automatic gear shift.
* Has multiple forward and reverse gears.
* Allows the driver not to change gears manually.
Advantages of a contract engine with automatic transmission
* Cost savings: cheaper than buying a new engine and transmission.
* Good technical condition: usually these engines and gearboxes have low mileage and are in good working condition.
*Easy to Install: Installing a contract motor and transmission is usually easier and faster than installing new components.
*Availability: Contract engines and transmissions are often available for a variety of vehicle makes and models.
* Warranty: Some contract parts suppliers offer a warranty on their products.
Disadvantages of a contract engine with an automatic transmission
* Unknown History: It is impossible to know the exact history of a contract engine or gearbox.
*Hidden Defects: Hidden defects may be present that are not detectable upon inspection.
*Limited service life: Contract motors and transmissions may have a shorter service life than new components.
*Additional Maintenance Required: Additional maintenance and repairs may be required after installing the contract motor or transmission.
* Lack of full compatibility: In some cases, the contracted engine or transmission may not be fully compatible with a particular vehicle model.