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.

NCA3110A - Spindle Bushing
SKU: NCA3110A
219 in stock

NCA1190A - Seal
SKU: NCA1190A
79 in stock

K395038 - Kingpin; 0.35MM Shim
SKU: K395038
Out of stock

K395037 - Kingpin; 0.19MM Shim
SKU: K395037
65 in stock

K395036 - Kingpin; 0.10MM Shim
SKU: K395036
47 in stock

JLM104948-I - Tapered Roller Bearing Cone
SKU: JLM104948-I
371 in stock

E3NN4635AA - Universal Joint
SKU: E3NN4635AA
30 in stock

E3NN3A540BA - Power Steering Cylinder Assembly
SKU: E3NN3A540BA
16 in stock

E3NN3131AA - Steering Arm (LH)
SKU: E3NN3131AA
19 in stock

E3NN3130AA - Steering Arm (RH)
SKU: E3NN3130AA
7 in stock

E2NN3A540BA - Universal PS Cylinder w/ Both Ends (RH/LH) REF. 3 (1)
SKU: E2NN3A540BA
65 in stock

E2NN3125BA - Oil; 4 Per/Pkg Seal
SKU: E2NN3125BA
32 in stock

E1NN3A328AB - Differential Hub Shaft
SKU: E1NN3A328AB
46 in stock
E1NN3125AA - Pivet Pin Seal
SKU: E1NN3125AA
42 in stock

E1NN1N050AA - Hub Cover Gasket
SKU: E1NN1N050AA
102 in stock

E1NN1N045AA - Planetary Carrier
SKU: E1NN1N045AA
8 in stock

E1ADKN3556 - Lower Steering Shaft Bearing & Race
SKU: E1ADKN3556
17 in stock

E0NN3C516BB - Steering Hydraulic Control Valve Housing
SKU: E0NN3C516BB
1 in stock

E0NN1190AA - Seal
SKU: E0NN1190AA
70 in stock

D8NN3115BA - Spindle Pin
SKU: D8NN3115BA
65 in stock

D7NN3600A - 15" Steering Wheel
SKU: D7NN3600A
56 in stock

D6NN3N670A - Center Steering Arm
SKU: D6NN3N670A
46 in stock

D6NN3600B - Steering Wheel
SKU: D6NN3600B
216 in stock

D6NN3106A - Spindle (LH)
SKU: D6NN3106A
6 in stock
