Ford New Holland 3900 Tractor Parts
3900 parts and accessories
The Ford New Holland 3900, manufactured from 1975 to 1981, was a popular utility tractor known for its reliability and versatility. Powered by a robust 52 horsepower diesel or gasoline engine, it delivered ample power for various farm tasks. With a PTO horsepower rating of around 45, it was a workhorse for farmers needing a dependable machine for tillage, haying, and general farm work.
The Ford 3900 was introduced in 1975 as part of the Ford New Holland utility tractor lineup and remained in production until 1981. It succeeded the Ford 3000 series, offering improvements in power and features. The 3900 was typically equipped with either a Ford 2.9L 3-cylinder diesel engine producing approximately 52 horsepower or a Ford 2.8L 3-cylinder gasoline engine with similar horsepower. Both engines were known for their durability and ease of maintenance. The standard transmission was an 8-speed manual gear transmission, providing a good range of speeds for various field operations. The PTO horsepower was rated at approximately 45 HP, with a standard 540 RPM PTO. The hydraulic system delivered around 8.5 GPM, with one or two remote valves available. The 3-point hitch was typically a Category I or II, offering a lift capacity of around 2,500 lbs. Common applications included row crop work, hay production, livestock operations, and light tillage. The 3900 distinguished itself from other models in the Ford lineup through its balanced power, compact size, and straightforward design, making it a favorite among small to medium-sized farms.
Specifications
| Engine | Ford 52 HP Diesel/Gasoline |
|---|---|
| PTO HP | 45 HP @ 540 RPM |
| Transmission | 8-Speed Manual |
| Hydraulics | 8.5 GPM, 1-2 remotes |
| 3-Point Hitch | Category I/II, 2500 lbs |
| Fuel Capacity | 15 gallons |
| Weight | 4200 lbs |
| Years Produced | 1975-1981 |
Maintenance Tips
- Engine Oil & Filter: Change your engine oil and filter every 250 hours using a high-quality oil and filter that meets Ford New Holland specifications. This will ensure proper lubrication and prevent engine wear.
- Hydraulic System Maintenance: Check hydraulic fluid levels regularly and change the hydraulic filter every 500 hours. Cleanliness is crucial for hydraulic systems to avoid costly repairs.
- Fuel System Care: Use clean fuel and regularly inspect the fuel filter. Drain any water or sediment from the fuel tank to prevent fuel system issues.
- Seasonal Storage: Before storing your tractor for the winter, stabilize the fuel, change the engine oil, and grease all fittings. This will help prevent corrosion and ensure the tractor is ready to work when spring arrives.
History & Background
The Ford 3900 was introduced in 1975 as an upgrade to the earlier Ford 3000 series, offering improved power and capabilities. It remained largely unchanged throughout its production run, becoming a staple on farms across North America. Its reliability and ease of use cemented its place as a significant model in Ford's agricultural tractor history.
Frequently Asked Questions
What engine is in the Ford New Holland 3900?
The Ford New Holland 3900 is equipped with either a Ford 2.9L 3-cylinder diesel engine producing approximately 52 horsepower or a Ford 2.8L 3-cylinder gasoline engine, also producing approximately 52 horsepower.
What is the PTO horsepower on a 3900?
The PTO horsepower on the Ford New Holland 3900 is approximately 45 HP, and it operates at 540 RPM.
What oil filter fits the 3900?
Common oil filter cross-references for the Ford New Holland 3900 include Fram PH2951, Wix 51773, and NAPA 1773. Always verify the specific filter requirements in your tractor's operator manual.
What are common parts needed for the 3900?
Common wear parts for the Ford New Holland 3900 include engine oil filters, fuel filters, hydraulic filters, belts (fan belt, alternator belt), hydraulic seals, steering components (tie rod ends, steering cylinder seals), and clutch parts (clutch disc, pressure plate).

D4NN3A540A - Ref. 2 (1) Cylinder w/ Base Ball Joint End
SKU: D4NN3A540A
89 in stock

D4NN3106B - Spindle (LH)
SKU: D4NN3106B
4 in stock

D4NN3105B - Spindle (RH)
SKU: D4NN3105B
11 in stock

D2NN3A710B - Manual Steering Shaft w/ Nut
SKU: D2NN3A710B
4 in stock

C9NN1104F - Front Wheel w/ Stud Bolts Hub
SKU: C9NN1104F
131 in stock

C7NN3552A - STEERING GEAR BEARING & CUP
SKU: C7NN3552A
58 in stock

C7NN3405C - Radius Rod Assembly (RH/LH)
SKU: C7NN3405C
31 in stock

C7NN3153B - Center Axle Bushing
SKU: C7NN3153B
68 in stock

C7NN3127D - Front Axle Pin
SKU: C7NN3127D
Out of stock
C5NN3C615A - Shaft Seal
SKU: C5NN3C615A
99 in stock

C5NN3A302B - Power Steering Cyl Ref. 1 (1) Rod End Ball Joint
SKU: C5NN3A302B
160 in stock

C5NN3A299A - Thrust Spindle Bearing
SKU: C5NN3A299A
267 in stock

C5NN3707A - Steering Gear Worm Bearing Lock Nut
SKU: C5NN3707A
25 in stock

C5NN3552A - Upper Steering Shaft Bearing & Race
SKU: C5NN3552A
115 in stock

C5NN3517A - Steering Shaft Bushing
SKU: C5NN3517A
181 in stock

C5NN3153D - Center Axle Bushing
SKU: C5NN3153D
7 in stock

C5NN3128B - Locking Flange
SKU: C5NN3128B
7 in stock

C5NN3125A - Steering Arm Dust Seal
SKU: C5NN3125A
404 in stock

C5NN3106S - Spindle (LH)
SKU: C5NN3106S
2 in stock

C5NN3106R - Spindle (LH)
SKU: C5NN3106R
96 in stock

C5NN3105V - Spindle (RH)
SKU: C5NN3105V
17 in stock

C5NN3105U - Spindle (RH)
SKU: C5NN3105U
Out of stock

C0NN3123B - Thrust Spindle Bearing
SKU: C0NN3123B
242 in stock

957E3287 - Clamp
SKU: 957E3287
63 in stock
