Production years
1986-1993; confirm exact year by serial number.
John Deere forage harvester ยท 1986-1993
John Deere 5830 Forage Harvester
The John Deere 5830 is a late-1980s and early-1990s self-propelled forage harvester with a 290 hp John Deere diesel. It was Deere's flagship chopper of its era and remains a familiar, durable classic where its mechanical simplicity and local parts knowledge outweigh its age.
Machine type
Self-propelled forage harvester
Engine
John Deere 10.1 L six-cylinder diesel, commonly cited at 290 hp; confirm the engine plate on individual machines.
Cutterhead/drum width
22 in. cutterhead width and 24 in. diameter; 40 knives commonly cited.
John Deere 5830 specifications
| Production years | 1986-1993; confirm exact year by serial number. |
|---|---|
| Machine type | Self-propelled forage harvester |
| Engine | John Deere 10.1 L six-cylinder diesel, commonly cited at 290 hp; confirm the engine plate on individual machines. |
| Cutterhead/drum width | 22 in. cutterhead width and 24 in. diameter; 40 knives commonly cited. |
| Typical headers | Pickup heads from about 7 to 13 ft; 4-row 30-inch corn head commonly used. |
| Crops | Grass silage, corn silage, whole-crop cereals |
| Feed/processor | Four feed rolls; kernel processor was available on equipped machines. |
| Weight | About 14,600 to 20,200 lb, depending on published dry versus operating configuration and equipment; confirm the manual. |
What the 5830 is used for
The 5830 was designed for farm and contractor silage harvesting at a scale that was large for its time. It can chop grass and corn effectively with the correct pickup or corn head, but its output and logistics requirements are far below those of modern 500 hp-plus machines.
Today, owners value it for straightforward, proven mechanical systems and its usefulness on smaller dairy or livestock farms. It can be a sensible seasonal machine when maintained carefully and when local support for older Deere forage equipment is available.
Why the John Deere 5830 stands out
The 5830 was notable as John Deere's most powerful forage harvester of the late 1980s. Its 290 hp, four-feed-roll layout, segmented knife drum, and optional kernel processor made it a serious corn and grass machine in its era, and surviving examples retain a following among operators who know the platform.
Buying a used John Deere 5830
Do not buy solely on indicated engine hours. Inspect the 40-knife cutterhead, shearbar, sharpening equipment, feed-roll bearings and drive, processor condition if fitted, blower paddles and housing, hydrostatic drive, cooling system, and the condition of the pickup or corn head. Check for corrosion, worn augers and crop-channel components, improvised wiring, and parts availability before committing.
John Deere 5830 frequently asked questions
How much horsepower does a John Deere 5830 have?
The commonly cited rating is 290 hp from a John Deere 10.1 L six-cylinder diesel.
Can a John Deere 5830 run a corn head?
Yes. Four-row 30-inch corn heads were commonly used, and kernel-processor-equipped machines were used for processed corn silage.
Is a John Deere 5830 still a good forage harvester?
It can be a good low-acreage or backup machine if the cutterhead, hydrostatic drive, header, and parts support are sound. Its age makes a detailed inspection essential.
Specifications are commonly cited figures for general reference; exact figures vary by year and serial number, so confirm against TractorData.com and the machine's records. Values and prices of used forage harvesters vary by condition, use, and region. Page updated Aug 4, 2026.