Machine models
John Deere 643J and 843J specifications
| Listing-entry count |
|---|
| 2 |
| Publisher name | Source guide | Listing-entry count | Labels named by the source |
|---|---|---|---|
| John Deere | 643J and 843J | 2 | 643J and 843J |
| Specification | 643J | 843J |
|---|---|---|
| Overall Length | 24.17 ft | 24.17 ft |
| Overall Width | 9.52 ft | 9.85 ft |
| Height To Top Of Cab | 10.61 ft | 10.61 ft |
| Wheelbase | 9.07 ft | 9.17 ft |
| Ground Clearance | 1.67 in | 1.67 in |
| Specification | 643J | 843J |
|---|---|---|
| Number Of Cylinders | 6 | 6 |
| Engine Model | 6068H | 6068H |
| Gross Power | 174 hp | 225 hp |
| Power Measured @ | 2,200 rpm | 2,200 rpm |
| Torque Measured @ | 1,400 rpm | 1,400 rpm |
| Net Torque | 634 lb-ft | 754 lb-ft |
| Displacement | 414 cu in | 414 cu in |
| Aspiration | turbocharged | turbocharged |
| Specification | 643J | 843J |
|---|---|---|
| Operating Weight W/O Attachment | 27,990 lb | 27,990 lb |
| Fuel Capacity | 84 gal | 84 gal |
| Cooling System Fluid Capacity | 9 gal | 9 gal |
| Engine Oil Capacity | 7.2 gal | 7.2 gal |
| Hydraulic System Fluid Capacity | 70 gal | 70.1 gal |
| Operating Voltage | 12 V | 12 V |
| Alternator Supplied Amperage | 95 amps | 95 amps |
| Max Speed | 12.5 mph | 12.5 mph |
| Steering Articulation | 90 degrees | 90 degrees |
| Tire Size | 28L-26 | 28L-26 |
| Ground Pressure | 10.6 psi | 11.2 psi |
| Specification | 643J | 843J |
|---|---|---|
| Transmission Type | Hydrostatic | Hydrostatic |
| Number Of Forward Gears | 2 | 2 |
| Number Of Reverse Gears | 2 | 2 |
| Source guide | Differing-field count reported |
|---|---|
| 643J and 843J | 6 |
| Figure | 643J | 843J |
|---|---|---|
| Engine horsepower per 1,000 lb of weight | 6.2 | 8.0 |
| Fuel tank per engine horsepower | 0.48 gal | 0.37 gal |
John Deere 643J and 843J: feller buncher
643J and 843J: forum references
Public equipment forums, including Heavy Equipment Forums, have 1 feller buncher thread that name the John Deere 843J in the opening posts; the titles use other words. That is too few titles to say what owners mostly ask about, so the most recent are listed instead.
- Mulching Head On John Deere Feller Buncher (Heavy Equipment Forums, 2024-06-03)
| Observation date | Listing source | Equipment search | Listings |
|---|---|---|---|
| 2026-09-24 | MachineryTrader | John Deere feller buncher | 2 |
| Model | Listed | Model years | Lowest asking | Highest asking | Median asking | Median hours |
|---|---|---|---|---|---|---|
| 843J | 2 | 2006 to 2009 | None shown | None shown | None shown | None shown |
| Search date | Database | Names queried | Search result |
|---|---|---|---|
| 2026-09-24 | U.S. Consumer Product Safety Commission | John Deere together with the feller buncher 643J, 843J | No matching recall in this search |
| Evidence class | Document, classification and recorded date |
|---|---|
| Reference site |
|
| Reference site |
|
| Forum threads |
|
| Used-market listings |
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| Federal agency data |
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John Deere 643J and 843J questions
| Date | Listing index | Equipment class | Names queried | Listings | Price observation |
|---|---|---|---|---|---|
| 2026-09-24 | MachineryTrader | feller buncher | 843J | 2 | No prices shown in this snapshot |
John Deere 643J and 843J: Configuration records
643J
| Specification | Source figure |
|---|---|
| Dimensions and weight | |
| Overall Length | 24.17 ft |
| Overall Width | 9.52 ft |
| Height To Top Of Cab | 10.61 ft |
| Wheelbase | 9.07 ft |
| Ground Clearance | 1.67 in |
| Engine | |
| Number Of Cylinders | 6 |
| Engine Model | 6068H |
| Gross Power | 174 hp |
| Power Measured @ | 2,200 rpm |
| Torque Measured @ | 1,400 rpm |
| Net Torque | 634 lb-ft |
| Displacement | 414 cu in |
| Aspiration | turbocharged |
| Operational | |
| Operating Weight W/O Attachment | 27,990 lb |
| Fuel Capacity | 84 gal |
| Cooling System Fluid Capacity | 9 gal |
| Engine Oil Capacity | 7.2 gal |
| Hydraulic System Fluid Capacity | 70 gal |
| Operating Voltage | 12 V |
| Alternator Supplied Amperage | 95 amps |
| Max Speed | 12.5 mph |
| Steering Articulation | 90 degrees |
| Tire Size | 28L-26 |
| Ground Pressure | 10.6 psi |
| Transmission and speeds | |
| Transmission Type | Hydrostatic |
| Number Of Forward Gears | 2 |
| Number Of Reverse Gears | 2 |
843J
| Specification | Source figure |
|---|---|
| Dimensions and weight | |
| Overall Length | 24.17 ft |
| Overall Width | 9.85 ft |
| Height To Top Of Cab | 10.61 ft |
| Wheelbase | 9.17 ft |
| Ground Clearance | 1.67 in |
| Engine | |
| Number Of Cylinders | 6 |
| Engine Model | 6068H |
| Gross Power | 225 hp |
| Power Measured @ | 2,200 rpm |
| Torque Measured @ | 1,400 rpm |
| Net Torque | 754 lb-ft |
| Displacement | 414 cu in |
| Aspiration | turbocharged |
| Operational | |
| Operating Weight W/O Attachment | 27,990 lb |
| Fuel Capacity | 84 gal |
| Cooling System Fluid Capacity | 9 gal |
| Engine Oil Capacity | 7.2 gal |
| Hydraulic System Fluid Capacity | 70.1 gal |
| Operating Voltage | 12 V |
| Alternator Supplied Amperage | 95 amps |
| Max Speed | 12.5 mph |
| Steering Articulation | 90 degrees |
| Tire Size | 28L-26 |
| Ground Pressure | 11.2 psi |
| Transmission and speeds | |
| Transmission Type | Hydrostatic |
| Number Of Forward Gears | 2 |
| Number Of Reverse Gears | 2 |
Compare John Deere 643J, 843J
| Specification | 643J | 843J |
|---|---|---|
| Overall Length | 24.17 ft | 24.17 ft |
| Overall Width | 9.52 ft | 9.85 ft |
| Height To Top Of Cab | 10.61 ft | 10.61 ft |
| Wheelbase | 9.07 ft | 9.17 ft |
| Ground Clearance | 1.67 in | 1.67 in |
| Specification | 643J | 843J |
|---|---|---|
| Number Of Cylinders | 6 | 6 |
| Engine Model | 6068H | 6068H |
| Gross Power | 174 hp | 225 hp |
| Power Measured @ | 2,200 rpm | 2,200 rpm |
| Torque Measured @ | 1,400 rpm | 1,400 rpm |
| Net Torque | 634 lb-ft | 754 lb-ft |
| Displacement | 414 cu in | 414 cu in |
| Aspiration | turbocharged | turbocharged |
| Specification | 643J | 843J |
|---|---|---|
| Operating Weight W/O Attachment | 27,990 lb | 27,990 lb |
| Fuel Capacity | 84 gal | 84 gal |
| Cooling System Fluid Capacity | 9 gal | 9 gal |
| Engine Oil Capacity | 7.2 gal | 7.2 gal |
| Hydraulic System Fluid Capacity | 70 gal | 70.1 gal |
| Operating Voltage | 12 V | 12 V |
| Alternator Supplied Amperage | 95 amps | 95 amps |
| Max Speed | 12.5 mph | 12.5 mph |
| Steering Articulation | 90 degrees | 90 degrees |
| Tire Size | 28L-26 | 28L-26 |
| Ground Pressure | 10.6 psi | 11.2 psi |
| Specification | 643J | 843J |
|---|---|---|
| Transmission Type | Hydrostatic | Hydrostatic |
| Number Of Forward Gears | 2 | 2 |
| Number Of Reverse Gears | 2 | 2 |
More in John Deere: 753J–959J, 803M–959M: travel/boom/leveling packages, 953K.