John Deere 8400 Specs & Review

Technical Specifications of John Deere 8400

General Information

  • Manufacturer: John Deere
  • Type: Row-Crop tractor
  • Factory: Waterloo, Iowa, USA
  • Model Year: 1995 – 1999


  • PTO (claimed): 225 hp (167.8 kW)
  • Drawbar (tested): 202.28 hp (150.8 kW)
  • PTO (tested): 252.21 hp (188.1 kW)


  • Engine Type: John Deere 8.1L 6-cyl diesel


  • Chassis: 4×4 MFWD 4WD
  • Final Drives: Inboard planetary
  • Differential Lock: Electro-hydraulic
  • Steering: Power
  • Brakes: Differential hydraulic wet disc
  • Cab: CommandView Cab standard. Row-Trak guidance optional.
  • Transmission: 16-speed full power shift


  • Fuel: 135 gal (511.0 L)
  • Hydraulic System: 37 gal (140.0 L)
  • Front Hubs: 3.2 qts (3.0 L each)
  • Front Differential: 11.5 qts (10.9 L)


  • Type: Closed center pressure-flow compensated (PFC)
  • Capacity: 37 gal (140.0 L)
  • Pressure: 2900 psi (200.0 bar)
  • Valves: 3 to 5
  • SCV Flow: 30 gpm (113.6 lpm)

Tractor Hitch

  • Rear Type: 3/3N
  • Control: Electro-hydraulic draft sensing
  • Rear Lift: 11,700 lbs (5307 kg) to 15,650 lbs (7098 kg)

Power Take-off (PTO)

  • Rear PTO: Independent
  • Rear RPM: 1000 (1.75), 540/1000 (1.375 optional)

Dimensions & Tires

  • Wheelbase: 116.1 inches (294 cm)
  • Weight: 18,709 to 19,190 pounds
  • Front Tire: 14.9R34
  • Rear Tire: 18.4R46

Frequently Asked Questions

What is the engine power of the John Deere 8400?

The John Deere 8400 has a claimed PTO power of 225 hp and a tested drawbar power of 202.28 hp.

What type of transmission does it have?

It features a 16-speed full power shift transmission.

How much fuel can it hold?

The fuel capacity is 135 gallons.

What is the hydraulic system capacity?

The hydraulic system has a capacity of 37 gallons.

What type of steering does it have?

It comes with power steering.

Is the rear PTO independent?

Yes, the rear PTO is independent.

What is the weight of the tractor?

The weight ranges from 18,709 to 19,190 pounds.

What is the wheelbase?

The wheelbase is 116.1 inches.

How many hydraulic valves does it have?

It has 3 to 5 hydraulic valves.

What is the rear lift capacity?

The rear lift capacity ranges from 11,700 lbs to 15,650 lbs.

The John Deere 8400: A Powerhouse in the Field

A Brief Overview

The John Deere 8400 is a row-crop tractor manufactured by John Deere, produced between 1995 and 1999. The tractor is built in Waterloo, Iowa, USA, and is part of the 8000/8000T Series.

The Heart of the Machine

The tractor is powered by a John Deere 8.1L 6-cylinder diesel engine, boasting a claimed PTO power of 225 hp and a tested drawbar power of 202.28 hp.

On the Move

With a 16-speed full power shift transmission, the John Deere 8400 offers smooth and efficient performance. The power steering and differential hydraulic wet disc brakes add to the tractor’s handling capabilities.

Feature Highlights

The tractor comes with a CommandView Cab as standard and offers an optional Row-Trak guidance system. It also features an electro-hydraulic differential lock and draft sensing for the rear hitch.

Built to Last

The John Deere 8400 is a reliable machine with a robust 4×4 MFWD 4WD chassis and inboard planetary final drives. The closed-center pressure-flow compensated (PFC) hydraulic system adds to its durability.

Bang for Your Buck

Considering its features and performance, the John Deere 8400 offers good value for money. It competes well with other models in the same category, offering a range of features for its price point.

The Good and the Bad

  • Pros: High engine power, multiple transmission speeds, robust build, and advanced features like the CommandView Cab.
  • Cons: May be on the heavier side, fuel consumption could be a concern for some users.

Ideal Working Conditions

The tractor is best suited for row-crop farming and can handle various types of terrain. Its high lift capacity makes it ideal for heavy-duty tasks.

The Final Word

The John Deere 8400 is a well-rounded tractor offering a blend of power, features, and reliability. It is a worthy investment for those looking for a high-performing machine for row-crop farming.