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NP435 Transmission for Sale

(2 reviews)

Type: Manual, four-speed transmission with one reverse gear
Model: NP435
Maker: New Process Gear
Gear: 4 forward gears and 1 reverse gear
Condition: Fairly used, used


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About NP435 Transmission for Sale

The NP435 manual transmission was manufactured by new processes in the middle of the 20th century. Found frequently in military vehicles and light- and medium-duty trucks, this NP435 Transmission for sale is a superb heavy-duty truck gearbox that may be found in ½, 3/4, and 1-ton trucks. The transmission derives its name by denoting the company as “NP,” while its series number is indicated by “435”. It is a good option in many scenarios because of its strength, small size, and gearing in the transmission. 

Application of NP435 transmission

  • Trucks: NP435 manual transmission was characterised by a low first gear ratio and was fitted with the cast iron case; it was installed in two-wheel-drive and four-wheel-drive trucks manufactured by Ford, Dodge, General Motors, International Harvester and other manufacturers. It was suitable for carrying large loads and in rough terrain operations.
  • V8, V6, and Inline (6 and 4) engines: The NP435 can be used with gasoline engines such as the small block V8 engines as in the Ford 302 (5.0L) or Chevrolet 350 (5.7L) Inline six engines such as those in the Chevrolet 250 (4.1L) or Ford 300 (4.9L) inline-six and various V6/Inline four engines commonly found in light trucks/SUVs.
  • Industrial applications: Some uses of NP 435 include; construction uses, in industries such as the construction industry, in forestry, and oil rig industries. The gear has proven durability along with an impressive capacity to handle high torque loads, suggesting it is ideal for the mentioned application.
  • Jeeps: Although not originally designed for Jeeps, the NP435’s compact size and versatility make it a popular candidate for Jeep adaptations. It can be combined with a variety of Dana and New Process transfer cases to improve off-road performance.

Key Features of NP435 transmission

  • Durability: The versatility is also listed as one of the advantages of the NP435, but its primary strength is stability. Also, due to its rugged design, it can endure strenuous operations such as towing, use at construction sites, or on the field.
  • Ruggedness: This model is specifically recommended for its build quality, which happily absorbs the increased power and torque. This makes it the best option, especially for cars that would benefit from sturdy transmissions, especially for demanding occasions.
  • Manual Control: The mentioned NP435 offers the driver direct control because it transmits manually. This might be extremely useful in situations such as off-road driving or when driving on steep hilly areas where gear change is critical.
  • Simple Design: The mechanics of the NP435 are less complex than any modern automatic transmissions that have built-in sleek electronics to control the changing stages. The general maintenance may be simpler and cheaper as well as the repairs needed on sites.
  • Versatility: Like most automotive transmissions, the New Process NP435 transmission is compatible with practically any engine, including diesel and gas. Due to the flexibility of the multibody system, it can be used across numerous types of applications and car designs.
  • Off-Road Capabilities: As for the possibilities of off-road, the NP435 transmission is quite durable and has a low first gear that can be useful to overcome difficult terrains. It delivers the power and grip needed for off-road manoeuvering and traversing, steep grades as well as obstacles.

Here at Find Auto Parts Online, you will find this strong, four-speed manual transmission. This NP435 transmission for sale at Find Auto Parts Online is a perfect match for adventurers who love to take their vehicles off the road.  The NP-435 is a top-shifting-style transmission that is top-loaded and has become one of the most popular choices for people interested in low-crawling gear for their vehicle. 

Myth Busters

  • Myth: The NP435 transmission is exclusively designed for heavy-duty trucks.
    Reality: Since the NP435 transmission is built rugged, it is commonly used in heavy-duty applications, but that does not mean that it can’t be used in lighter-duty trucks and some off-road vehicles.
  • Myth: The NP435 is an outdated transmission model that is unreliable by modern standards.
    Reality: The NP435 is renowned for its sturdiness and dependability. Its simple, strong design makes it extremely durable and capable of handling large amounts of torque, which is why it is still popular among enthusiasts and off-roaders.
  • Myth: Shifting the NP435 transmission is complex and is not user-friendly.
    Reality: Although the NP435 may not shift as smoothly as some newer transmissions, it is built to last and perform. Proper maintenance and the use of the appropriate gear oil can considerably improve shifting performance.

Additional information

Shift Pattern

“H” shift pattern

Input Shaft

10 spline, 1-1/16" diameter.

Output shaft

31 spline, 1-3/8" diameter

Case Length

Approximately 12.5 inches

Fluid Capacity

4 quarts


1960 NP435 transmission

2 reviews for NP435 Transmission for Sale

  1. Jason Black

    I recently ordered an NP435 transmission and I am extremely impressed with the quality and service. The transmission arrived quickly and was packaged securely. Installation was easy and my truck is now running perfectly. Great product!

  2. Tom Hennary

    I recently purchased an NP435 transmission and I am very happy with my purchase. The transmission arrived on time and was exactly what I needed. It has improved the performance of my truck significantly. Thank you!

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Product Q&A

Is the NP435 transmission suitable for high-performance applications?

Even though the NP435 is known for its durability and strength, it may not be the best choice for high-performance applications that require rapid gear changes and extreme power outputs.

Can the NP435 transmission be rebuilt or upgraded?

Yes, the NP435 transmission can be rebuilt and upgraded using aftermarket parts and kits. Its performance and durability can be restored by rebuilding it, while upgrades can enhance its capabilities for specific applications or improve overall performance.

What are the gear ratios of the NP435 transmission?

The gear ratios for the NP435 are: 1st Gear: 6.68:1 2nd Gear: 3.34:1 3rd Gear: 1.79:1 4th Gear: 1.00:1 (Direct Drive) Reverse: 6.68:1
NP435 Transmission for sale
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