Ford New Holland 9N Tractor Parts
The Ford New Holland 9N, manufactured from 1939 to 1942, was a revolutionary tractor that brought affordable mechanization to countless farms. Powered by a 2.0L 4-cylinder gasoline engine producing approximately 28 horsepower, its simplicity and reliability made it incredibly popular. With a PTO horsepower around 22, the 9N helped modernize farming practices across America.
The Ford 9N was introduced in 1939 as part of Henry Ford's vision to make tractors accessible to small farmers. It was designed in conjunction with Harry Ferguson and incorporated the innovative Ferguson System three-point hitch. The engine was a Ford-built 120 cubic inch (2.0L) L-head 4-cylinder gasoline engine, rated at around 28 engine horsepower. The transmission was a simple 3-speed manual gearbox. Its PTO delivered around 22 horsepower at 540 RPM. Hydraulic capacity was limited, but sufficient for its intended implements. The 9N featured a Category I three-point hitch, allowing it to use a wide range of implements. This tractor was commonly used for row crop work, light tillage, haying operations, and general farm tasks. While Ford later produced models like the 8N with more power and features, the 9N's affordability and reliability set a new standard and made it a staple on farms across the United States.
Specifications
| Engine | Ford 28 HP 120 ci Gasoline |
|---|---|
| PTO HP | 22 HP @ 540 RPM |
| Transmission | 3-Speed Manual |
| Hydraulics | 3 GPM, No remotes |
| 3-Point Hitch | Category I, 650 lbs |
| Fuel Capacity | 11 gallons |
| Weight | 2340 lbs |
| Years Produced | 1939-1942 |
Maintenance Tips
- Change engine oil and filter every 100-150 hours of operation using a high-quality oil appropriate for older gasoline engines.
- Regularly inspect hydraulic fluid levels and check for leaks; replace hydraulic fluid and filter according to manufacturer recommendations or every 500 hours.
- Keep the fuel system clean by using a fuel stabilizer, especially during seasonal storage; clean or replace the fuel filter annually.
- Before storing the tractor for extended periods, drain the fuel tank, change the oil and filter, and lubricate all grease fittings to prevent corrosion and ensure easy starting in the spring.
History & Background
The Ford 9N, introduced in 1939, was a groundbreaking tractor due to its affordable price and innovative Ferguson System three-point hitch. It revolutionized farming by making mechanization accessible to small farmers. Its impact on agriculture is undeniable, laying the foundation for future tractor designs and farming practices.
Frequently Asked Questions
What engine is in the Ford New Holland 9n?
The Ford New Holland 9n is equipped with a 120 cubic inch (2.0L) Ford L-head 4-cylinder gasoline engine producing approximately 28 horsepower.
What is the PTO horsepower on a 9n?
The Ford New Holland 9n delivers around 22 PTO horsepower at 540 RPM.
What oil filter fits the 9n?
The typical oil filter for the Ford 9N is a Fram C4, AC Delco PF-11, or Wix 51010. Always verify fitment with your parts supplier.
What are common parts needed for the 9n?
Common wear parts for the Ford 9N include engine oil filters, air filters, spark plugs, distributor points, fuel filters, hydraulic seals, tie rod ends, and clutch disc/pressure plate components.

9N70038 - PTO Conversion Shaft Assembly
SKU: 9N70038
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310088 - PTO Shaft Cover
SKU: 310088
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FO300 - Muffler Clamp
SKU: FO300
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FDE180 - Horizontal Exhaust Pipe
SKU: FDE180
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FDE160 - Vertical Exhaust Pipe
SKU: FDE160
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FDE150 - Vertical Exhaust Pipe
SKU: FDE150
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FD9010 - Vertical Muffler & Pipe Assembly
SKU: FD9010
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FD2010 - Muffler
SKU: FD2010
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FD1110 - Muffler
SKU: FD1110
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FD1010 - Vertical Muffler & Pipe Unassembled
SKU: FD1010
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CAPN5200A - Muffler Clamp
SKU: CAPN5200A
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8N5230 - Horizontal Muffler & Pipe Assembly
SKU: 8N5230
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RS5305W - Differential Pinion Pilot Bearing
SKU: RS5305W
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NAA927C - Transmission Dipstick
SKU: NAA927C
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D6NN4251A - Rear Axle Outer Seal
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SKU: C7NN7223B
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C5NN7277C - Gear Shift Boot
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BB4625B - Differential Pinion Pilot Bearing
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BB4222 - Differential Pinion Bearing Cup
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BB4221B - Differential Pinion Bearing Cone
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9N7120 - Transmission Bearing
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9N7086 - Bearing Retainer (Main Drive & Countershaft) Gasket
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9N7067 - Transmission Bearing Cup
SKU: 9N7067
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