Sources and field evidence
Catalog Archive: Baseline specifications compiled from historical manufacturer archives and equipment registries. Laboratory test report verification in progress.
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Engineering & Capability Benchmark
Specific output, tractive ratio, and segment percentile
Engine and power specifications
- Engine model
- John Deere
- Fuel type
- Diesel
- Rated horsepower
- 250 hp
- Rated PTO Power
- 252.21 hp (Deere specification)
- Drawbar Power @ Rated Engine Speed
- 202.28 hp (Nebraska OECD Test 2218)
- Cylinders
- 6
- Displacement
- 8.1 L (496 ci)
- Bore / stroke
- 4.56x5.06 inches 116 x 129 mm
- Rated RPM
- 2200 RPM
- Crankcase oil capacity
- 29.6 qts (~28.0 L)
- Coolant capacity
- 30 qts (~28.4 L)
Maintenance picks for the 8400
Oil capacity 29.6 qts — match the filter before you drain.
Transmission and chassis specifications
- Transmission type
- Full power shift (16F/4R)
- Gears (forward / reverse)
- 16 forward / 4 reverse
- Drive system
- 4WD
- Wheelbase
- 116.1 in
- Front tire
- 14.9R34
- Rear tire
- 18.4R46
- Hydraulic flow
- N/A
- Rear hitch
- III/IIIN
Implement Draft & Ballast Matcher
Simulate draft resistance, drawbar power transfer, and optimal axle weight distribution for Deere 8400.
Engine demand (343.8 HP) exceeds rated power (250 HP). Reduce working speed by 1.0-1.5 mph or reduce working width.
Tractor is currently light for this heavy draft tool. Add ~2268 kg (5,000 lbs) ballast to prevent tire slip and premature wear.
Catalog archival serial-number ranges
| Production year | Starting serial # | Ending serial # | Assembly plant |
|---|---|---|---|
| 1995 | #1,001 | #6,000 | Waterloo, Iowa, USA |
| 1996 | #6,001 | #10,000 | Waterloo, Iowa, USA |
| 1997 | #10,001 | #20,000 | Waterloo, Iowa, USA |
| 1998 | #20,001 | #24,000 | Waterloo, Iowa, USA |
| 1999 | #24,001 | End of run | Waterloo, Iowa, USA |
Instant Used Market Valuation Projector
Algorithmic resale estimate for Deere 8400 (1995)
Direct Segment Rivals & Showdowns
Head-to-head match-ups calibrated by horsepower and era
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John Deere
USA • 839 Models
John Deere is a globally renowned American corporation that specializes in manufacturing agricultural, construction, forestry, and turf care machinery and equipment. Founded in the United States, the company has established itself as the world's leading tractor brand, offering a comprehensive range of farming equipment, including tractors, combine harvesters, and other essential agricultural machinery. Headquartered in Moline, Illinois, John Deere is recognized for its innovative solutions and commitment to quality, serving customers through a vast network of dealers worldwide. The brand's product line extends beyond agriculture to include construction equipment, forestry machinery, and advanced technology services, reflecting its diverse capabilities and dedication to supporting various industries. John Deere's enduring legacy and continuous innovation have solidified its reputation as a leader in the fields of agriculture and heavy machinery.
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