John Deere 7800 Tractor Parts
7800 parts and accessories
The John Deere 7800, manufactured from 1992 to 1996, was a popular choice for farmers seeking a reliable and powerful tractor. Powered by a robust John Deere 7.6L diesel engine producing approximately 175 engine horsepower, the 7800 delivered a solid 145 PTO horsepower. Its combination of power, comfortable cab, and dependable performance made it a workhorse on farms across the country.
The John Deere 7800 was introduced in 1992 as part of the John Deere '00 series tractor lineup, replacing earlier models and offering improved performance and features. Production continued through 1996. The 7800 is powered by a John Deere 7.6L (466 cu in) six-cylinder turbocharged diesel engine producing around 175 engine horsepower. This engine provides ample power for various tasks. Transmission options included a 16-speed PowerShift transmission. The PTO delivers approximately 145 horsepower, with options for 540 and 1000 RPM. The hydraulic system features a closed-center system delivering around 30 GPM, supporting multiple remote valves for implements. The 3-point hitch is Category II/III, offering a lift capacity of around 8,700 lbs. The 7800 was commonly used for row crop operations, hay production, livestock management, and tillage work. Compared to other models in the lineup, the 7800 offered a balance of power and maneuverability, making it a versatile choice for medium to large-sized farms. Its larger frame and higher horsepower differentiated it from the smaller 7600 and 7700 models.
Specifications
| Engine | John Deere 7.6L 175 HP Diesel |
|---|---|
| PTO HP | 145 HP @ 540/1000 RPM |
| Transmission | PowerShift 16-Speed |
| Hydraulics | 30 GPM, Up to 4 remotes |
| 3-Point Hitch | Category II/III, 8,700 lbs lift capacity |
| Fuel Capacity | 68 gallons |
| Weight | 16,115 lbs |
| Years Produced | 1992-1996 |
Maintenance Tips
- Change the engine oil and filter every 250 hours using John Deere Plus-50 II oil or equivalent.
- Regularly inspect and maintain the hydraulic system, checking for leaks and changing the hydraulic fluid and filters according to the manufacturer's recommendations (typically every 1000-1500 hours).
- Use high-quality diesel fuel and add a fuel stabilizer during seasonal storage to prevent fuel degradation and injector clogging.
- Before storing the tractor for the winter, ensure the cooling system is properly filled with antifreeze to prevent damage from freezing temperatures.
History & Background
The John Deere 7800 was introduced in 1992 as part of the '00 series, representing a significant step forward in tractor technology for John Deere. There were no major redesigns during its production run, but continuous improvements were made. Its reputation for reliability and power solidified its place as a key model in John Deere's agricultural tractor history.
Frequently Asked Questions
What engine is in the John Deere 7800?
The John Deere 7800 is powered by a John Deere 7.6L (466 cu in) six-cylinder turbocharged diesel engine producing approximately 175 horsepower.
What is the PTO horsepower on a 7800?
The PTO horsepower on the John Deere 7800 is approximately 145 horsepower, with options for both 540 and 1000 RPM.
What oil filter fits the 7800?
The recommended oil filter for the John Deere 7800 is a John Deere AR76208 or equivalent. Cross-references include Wix 51791, Baldwin B7177, and Fleetguard LF3349.
What are common parts needed for the 7800?
Common wear parts for the John Deere 7800 include engine oil filters, fuel filters, air filters, hydraulic filters, belts, hydraulic seals, steering components like tie rod ends, and clutch parts like clutch discs and pressure plates.

RE42740 - Turbocharger
SKU: RE42740
58 in stock

RE40048 - Exhaust Clamp
SKU: RE40048
26 in stock

RE36367 - Oil Cooler
SKU: RE36367
37 in stock

RE30160 - Injector
SKU: RE30160
20 in stock

RE29859 - Upper Gasket Set
SKU: RE29859
13 in stock

RE22764 - Rear Crankshaft Seal
SKU: RE22764
509 in stock

R101158 - Planetary Brake; B1 (PowrQuad Transmission) Plate
SKU: R101158
14 in stock

RE66623 - Tie Rod (LH)
SKU: RE66623
21 in stock

RE66622 - Tie Rod (RH)
SKU: RE66622
31 in stock

RE66620 - Tie Rod Assembly
SKU: RE66620
3 in stock

RE12326 - Outer Tie Rod
SKU: RE12326
14 in stock

RE12325 - Inner Tie Rod
SKU: RE12325
10 in stock

R78026 - LH thread Jam Nut
SKU: R78026
12 in stock

R78025 - RH thread Jam Nut
SKU: R78025
9 in stock

R28024 - Wedge Blocks on Tie Rod Bolts
SKU: R28024
90 in stock

R131288 - Tie Rod Tube
SKU: R131288
17 in stock

R109808 - Pivot Pin Bushing
SKU: R109808
121 in stock

M2301T - Clamp
SKU: M2301T
156 in stock

AR63590 - Short Tie Rod
SKU: AR63590
17 in stock

U12331 - Durometer 75 (4/Pack) .139" Thickness O-Ring; 2.734" ID X 3.012" OD
SKU: U12331
376 in stock

U12037 - Durometer 75 (5/Pack) .139" Thickness O-Ring; 1.296" ID X 1.574" OD
SKU: U12037
615 in stock

U11326 - 5/pack Durometer 75 O-Ring; 1.114" ID X 1.254" OD X .070" Thick
SKU: U11326
570 in stock

U10289 - Durometer 75 (10/Pack) .139" Thick O-Ring; 1.484" ID X 1.762" OD
SKU: U10289
1270 in stock

R83630 - Durometer 85 (10/Pack) .139" Thick O-Ring; .796" ID X 1.074" OD
SKU: R83630
1060 in stock
