Brand siblingJohn Deere 8400T
The John Deere 8400T is a powerful crawler tractor made from 1997 to 1999. It has tracks instead of wheels, which helps it move well on tough ground. The tractor is big, measuring 207 inches long, 103.7 inches wide, and 122.9 inches tall. It weighs a hefty 25,000 pounds, making it a strong machine for heavy farm work. Under the hood, the 8400T has a John Deere diesel engine with 6 cylinders. This engine is turbocharged and intercooled, giving it extra power. It can produce 226.73 horsepower at 2000 rpm. The tractor has a full powershift transmission with 16 forward gears and 4 reverse gears, allowing for smooth speed changes. It also has a three-point hitch at the back that can lift up to 15,650 pounds, which is great for attaching and using big farm tools. The tractor has a cab for the driver, making it comfortable to use in different weather conditions.
Quick specs
- Category
- Crawler
- Engine Power Output
- 227hp
- Operating Weight
- 25,000 lb
- Transmission
- Full powershift
At a glance
How the 8400T compares
vs. Crawler medianDistribution
Engine Power (hp)
Across all Crawler tractors
This model
The 8400T ranks at the 54th percentile for engine power among recorded crawler tractors.
Overview
About the John Deere 8400T
The John Deere 8400T is a powerful crawler tractor made from 1997 to 1999. It has tracks instead of wheels, which helps it move well on tough ground. The tractor is big, measuring 207 inches long, 103.7 inches wide, and 122.9 inches tall. It weighs a hefty 25,000 pounds, making it a strong machine for heavy farm work. Under the hood, the 8400T has a John Deere diesel engine with 6 cylinders. This engine is turbocharged and intercooled, giving it extra power. It can produce 226.73 horsepower at 2000 rpm. The tractor has a full powershift transmission with 16 forward gears and 4 reverse gears, allowing for smooth speed changes. It also has a three-point hitch at the back that can lift up to 15,650 pounds, which is great for attaching and using big farm tools. The tractor has a cab for the driver, making it comfortable to use in different weather conditions.
Full specifications
Every recorded spec
General
| Manufacturer | John Deere |
|---|---|
| Model | 8400T |
| Category | Crawler tractor |
| Type | Crawler |
| Years built | 1997–1999 |
| Operating weight | 25,000lb |
Engine
| Make | John Deere |
|---|---|
| Model | Serial No.*RG6081 H040198* |
| Power | 226.73hp |
| Cylinders | 6 |
| Displacement | 496ci |
| Bore | 4.57in |
| Stroke | 5.08in |
Transmission
| Type | Full powershift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 4 |
Chassis & drive
| Chassis | Crawler |
|---|---|
| Drive | Track |
| Steering | Hydrostatic power |
| Brakes | Hydraulic wet disc |
| Cab | Cab |
Hydraulics
| Type | Closed center pressure-flow compensated (PFC) |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 1,000rpm |
Dimensions
| Length | 207in |
|---|---|
| Width | 103.7in |
| Height | 122.9in |
| Operating weight | 25,000lb |
Capacities
| Cooling system | 8.98gal |
|---|
Head to head
8400T vs. Crawler median
How the John Deere 8400T compares to other Crawler tractors
| Spec | This model | Crawler median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 227 hp | 200 hp | +13% | 54th |
| Engine Displacement | 496 ci | 468 ci | +6% | 54th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 16 | 10 | +60% | 69th |
| Operating Weight | 25,000 lb | 23,320 lb | +7% | 54th |
| Length | 207 in | 146 in | +42% | 70th |
| Width | 104 in | 79.5 in | +30% | 76th |
| Height | 123 in | 90.6 in | +36% | 69th |
Medians and percentiles are computed from the crawler tractors in our database with a recorded value for each spec (sample sizes 134–192 models).
Compare to tractors with similar specs
Commonly compared John Deere tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| John Deere 8300T | 226.19 hp | 25,010 lb | — | Compare → |
| John Deere 8230T | 232.55 hp | 27,250 lb | — | Compare → |
| John Deere 8220T | 233 hp | 25,950 lb | — | Compare → |
| John Deere 8320T | 217.63 hp | 26,735 lb | — | Compare → |
| John Deere 8310T | 206.33 hp | 25,960 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO DT225 | 225 hp | 19,700 lb | 2002–2004 | Compare → |
| Allis Chalmers HD21 | 225 hp | 45,500 lb | — | Compare → |
| Belarus 7011 | 225 hp | 28,240 lb | — | Compare → |
| CaseIH 8950 | 225 hp | 18,340 lb | 1997–1998 | Compare → |
| Allis Chalmers 4W-220 | 220 hp | 21,475 lb | 1982–1984 | Compare → |
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FAQ
Common questions
When was the John Deere 8400T made?
The John Deere 8400T was manufactured from 1997 to 1999.
What three-point hitch category does the John Deere 8400T use?
The John Deere 8400T has a Category Category 3 three-point hitch rated to lift 15,650 lb.
What is the engine power output of the John Deere 8400T?
Rated engine output for the John Deere 8400T is 226.73 hp, delivered by a 6-cylinder engine. The engine displaces 496 ci.
What is the operating weight of the John Deere 8400T?
In working trim, the John Deere 8400T comes in at roughly 25,000 lb.
Which transmission does the John Deere 8400T use?
The John Deere 8400T is equipped with a Full powershift transmission with 16 forward gears.
What hydraulics does the John Deere 8400T have?
The John Deere 8400T uses a Closed center pressure-flow compensated (PFC) hydraulic system.
How do I maintain a John Deere 8400T?
Routine service for the John Deere 8400T covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.




