Ford New Holland 7840O Tractor Parts

7840O parts and accessories

The Ford New Holland 7840O tractor, manufactured from 1992 to 1996, was a popular choice for farmers due to its reliable performance and versatile capabilities. Powered by a robust Ford 4.5L diesel engine producing around 95 horsepower, the 7840O delivered approximately 80 PTO horsepower. Its robust build and ease of operation made it a workhorse on many farms.

The Ford New Holland 7840O was part of the highly successful 40 Series tractor line introduced in the early 1990s. This model, produced between 1992 and 1996, was designed to provide a balance of power and maneuverability for a variety of agricultural tasks. It features a Ford 4.5L (274 cubic inch) inline 4-cylinder diesel engine that delivers approximately 95 engine horsepower. The transmission options included a standard 12x12 Synchro Shift transmission, providing a good range of speeds for different field conditions, or an optional Dual Power transmission. The PTO delivers around 80 horsepower and is available in both 540 and 1000 RPM configurations. Hydraulically, the 7840O offers a flow rate of approximately 17 GPM with typically two remote valves. It features a Category II 3-point hitch. Common applications for the 7840O include row crop work, hay production, livestock operations, and light tillage. What distinguished the 7840O from other models in the lineup was its optimal blend of power and size, making it suitable for farms of various sizes and operational needs.

Specifications

Engine	Ford 4.5L 95 HP Diesel
PTO HP	80 HP @ 540/1000 RPM
Transmission	12x12 Synchro Shift or Dual Power
Hydraulics	17 GPM, 2 remotes
3-Point Hitch	Category II, 4762 lbs lift capacity
Fuel Capacity	32 gallons
Weight	8185 lbs
Years Produced	1992-1996

Maintenance Tips

Change the engine oil and filter every 250 hours using a high-quality oil that meets Ford's specifications. Regularly inspect the air filter and clean or replace as needed.
Inspect hydraulic fluid levels and condition regularly. Change the hydraulic fluid and filter every 1200 hours to maintain optimal performance and prevent damage to hydraulic components.
Use clean, high-quality fuel and add a fuel stabilizer during seasonal storage to prevent fuel degradation and injector clogging. Drain any water from the fuel/water separator regularly.
Before storing the tractor for an extended period, perform a full service, including lubricating all grease points, checking coolant levels, and disconnecting the battery to prevent discharge. Store the tractor in a dry, covered area.

History & Background

The Ford New Holland 7840O was introduced in 1992 as part of the updated 40 Series. It built upon the success of previous Ford tractor models, incorporating improvements in engine technology and transmission options. The 7840O played a significant role in modernizing agricultural practices by offering a reliable and versatile machine for various farming tasks.

Frequently Asked Questions

What engine is in the Ford New Holland 7840O?

The Ford New Holland 7840O is equipped with a Ford 4.5L (274 cubic inch) inline 4-cylinder diesel engine, producing approximately 95 horsepower.

What is the PTO horsepower on a 7840O?

The Ford New Holland 7840O delivers around 80 PTO horsepower. It is available in both 540 and 1000 RPM configurations.

What oil filter fits the 7840O?

The recommended oil filter for the Ford New Holland 7840O is a Ford E6NN6714AA or equivalent. Common cross-references include Fram PH3600, Wix 51773, and Baldwin B1421.

What are common parts needed for the 7840O?

Common wear parts for the Ford New Holland 7840O include engine oil filters, fuel filters, air filters, hydraulic filters, belts (fan, alternator), hydraulic seals, steering components (tie rod ends, ball joints), and clutch parts. Regular inspection and replacement of these parts can help maintain the tractor's performance and longevity.

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