Ford New Holland 6610O Tractor Parts
6610O parts and accessories
The Ford New Holland 6610O tractor, manufactured from 1981 to 1992, was a popular choice among farmers for its reliability and versatility. Powered by a robust diesel engine producing approximately 68 horsepower (engine), the 6610O delivered around 60 PTO horsepower, making it well-suited for a variety of agricultural tasks. Its durable construction and efficient performance solidified its place as a dependable workhorse in the field.
The Ford New Holland 6610O was part of the highly successful 10 Series tractor lineup, produced from 1981 to 1992. It built upon the legacy of earlier Ford tractor models, offering improved performance and operator comfort. The 6610O is equipped with a Ford 268 CID 4-cylinder diesel engine, delivering approximately 68 engine horsepower. Transmission options typically included an 8-speed gear transmission or a Dual Power transmission providing more gear choices. The PTO delivers around 60 horsepower at 540 RPM, making it suitable for operating implements like mowers, balers, and rotary cutters. Hydraulic capacity is approximately 12 GPM, providing ample power for implements and loader work. The 3-point hitch is a Category II, capable of lifting a significant amount of weight. The 6610O was commonly used for row crop work, hay production, livestock operations, and general tillage tasks. Compared to smaller models like the 5610, the 6610 offered more power and lifting capacity, while models like the 7610 provided even greater capabilities for larger farms.
Specifications
| Engine | Ford 268 CID 68 HP Diesel |
|---|---|
| PTO HP | 60 HP @ 540 RPM |
| Transmission | Gear, 8-Speed or Dual Power |
| Hydraulics | 12 GPM, 2 remotes |
| 3-Point Hitch | Category II, 3950 lbs |
| Fuel Capacity | 23 gallons |
| Weight | 6500 lbs |
| Years Produced | 1981-1992 |
Maintenance Tips
- Check the engine oil level daily and change the oil and filter every 250 hours of operation using the recommended oil type.
- Inspect and service the hydraulic system regularly, including checking for leaks, changing the hydraulic fluid and filter every 500 hours, and cleaning the hydraulic strainer.
- Maintain a clean fuel system by using high-quality fuel, changing the fuel filter every 250 hours, and draining any water or sediment from the fuel tank periodically.
- Before storing the tractor for an extended period, drain the fuel tank, add fuel stabilizer, and lubricate all grease fittings to prevent corrosion and ensure easy start-up in the spring.
History & Background
The Ford New Holland 6610O was introduced in 1981 as part of the updated 10 Series tractor line. This series brought improvements in engine performance, hydraulics, and operator comfort compared to previous Ford models. The 6610 became a popular choice for farmers due to its balance of power, reliability, and affordability, contributing significantly to Ford's market share during its production run.
Frequently Asked Questions
What engine is in the Ford New Holland 6610O?
The Ford New Holland 6610O is powered by a Ford 268 CID 4-cylinder diesel engine producing approximately 68 horsepower.
What is the PTO horsepower on a 6610O?
The PTO horsepower on a Ford New Holland 6610O is approximately 60 horsepower at 540 RPM.
What oil filter fits the 6610O?
Common oil filter cross-references for the 6610O include Ford/New Holland part number E9NN6714AA, Fram PH3600, and Wix 51773. Always verify the correct filter based on your tractor's serial number.
What are common parts needed for the 6610O?
Commonly needed parts for the Ford New Holland 6610O include oil filters, fuel filters, air filters, hydraulic filters, fan belts, radiator hoses, hydraulic pump seals, steering cylinder seals, clutch discs, and brake shoes.

E6NN7N315AA - 3rd Transmission Gear
SKU: E6NN7N315AA
39 in stock

E6NN7N072AA - Front Gear Shift Coupler
SKU: E6NN7N072AA
7 in stock

E6NN7111AA - Transmission Countershaft
SKU: E6NN7111AA
4 in stock

E6NN7106AA - Main Shaft Connecting Coupling
SKU: E6NN7106AA
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E6NN2N315AA - Brake Disc
SKU: E6NN2N315AA
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E62GE9 - Transmission Countershaft Oil Seal
SKU: E62GE9
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E2NN7017EA - Transmission w/o Dual Power Shaft
SKU: E2NN7017EA
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E1NN4211AB - Differential Spider
SKU: E1NN4211AB
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E0NN7106BA - Countershaft Sliding Gear Coupling
SKU: E0NN7106BA
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E0NN7017HA - Transmission w/o Dual Power Shaft
SKU: E0NN7017HA
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D9NN2N289AA - Brake Pedal Shaft Seal
SKU: D9NN2N289AA
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D8NNP743JA - Dual Power/ PTO Disc
SKU: D8NNP743JA
262 in stock

D5NN2N625A - Hand Brake Disc
SKU: D5NN2N625A
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D5NN2N141A - Actuator Ball
SKU: D5NN2N141A
678 in stock

D2NN7017A - Input Spigot Shaft
SKU: D2NN7017A
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C9NN7C094B - Transmission Main Shaft
SKU: C9NN7C094B
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C9NN7113B - Countershaft Secondary Gear
SKU: C9NN7113B
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C9NN7049C - Transmission Bearing Retainer
SKU: C9NN7049C
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C7NN7N598A - Clutch Pedal Spring
SKU: C7NN7N598A
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C7NN7N055A - Transmission Plate
SKU: C7NN7N055A
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C7NN2N317A - Brake Actuating Assembly
SKU: C7NN2N317A
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C7NN2N316A - Brake actuator assy.
SKU: C7NN2N316A
9 in stock

C5NN7A578A - Clutch Pedal Bushing
SKU: C5NN7A578A
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C5NN77086A - Transmission Output Shaft Oil Seal
SKU: C5NN77086A
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