John Deere 990 Specs & Review

Technical Specifications of John Deere 990 Tractor


  • Manufacturer: John Deere
  • Type: Compact Utility tractor
  • Production Years: 2000 – 2007


  • Engine Model: Yanmar 2.0L 4-cyl diesel
  • Engine (gross): 40.4 hp
  • Engine (net): 38.5 hp


  • Type: 9-speed partially synchronized


  • PTO (claimed): 35 hp


  • Drive: Two- or four-wheel drive
  • Final Drives: Planetary
  • Differential Lock: Mechanical rear
  • Steering: Power
  • Brakes: Wet disc


  • Fuel: 8.5 gal
  • Hydraulic System: 5.5 gal


  • Type: Open center
  • Capacity: 5.5 gal
  • Pressure: 2262 psi
  • Pump Flow: 8.5 gpm
  • Total Flow: 13 gpm
  • Steering Flow: 4.5 gpm

Tractor Hitch

  • Rear Type: I
  • Rear Lift (at 24″/610mm): 1,573 lbs

Dimensions & Tires

  • Wheelbase: 68.9 inches
  • Weight: 2594 to 3175 pounds
  • Front Tire: 6.5-16
  • 2WD Rear Tire: 14.9-24


  • Ground: Negative
  • Charging System: Alternator
  • Charging Amps: 20
  • Battery CCA: 650
  • Battery Volts: 12

Frequently Asked Questions

What is the engine power of the John Deere 990?

The engine has a gross power of 40.4 hp and a net power of 38.5 hp.

What type of transmission does it have?

It features a 9-speed partially synchronized transmission.

Is it a 4WD tractor?

Yes, it offers both two- and four-wheel drive options.

What is the fuel capacity?

The fuel capacity is 8.5 gallons.

What is the hydraulic system capacity?

The hydraulic system has a capacity of 5.5 gallons.

What is the rear lift capacity?

The rear lift capacity at 24″/610mm is 1,573 lbs.

What is the wheelbase and weight?

The wheelbase is 68.9 inches, and the weight ranges from 2594 to 3175 pounds.

A Workhorse from John Deere

The John Deere 990 is a compact utility tractor produced by John Deere from 2000 to 2007. It’s powered by a Yanmar 2.0L 4-cyl diesel engine, offering a robust 40.4 hp.

Key Features to Note

The tractor comes with a 9-speed partially synchronized transmission and offers both two- and four-wheel drive options. It has a PTO power of 35 hp and features wet disc brakes and power steering.

Performance Metrics

The 990 is known for its reliable performance, particularly its powerful engine and smooth transmission. The tractor’s mechanical rear differential lock and planetary final drives add to its performance capabilities.

Noteworthy Features

The tractor comes with a two-post ROPS for safety and has a hydraulic system with a capacity of 5.5 gallons. It also features a mechanical rear differential lock for enhanced traction.

Reliability Quotient

John Deere is known for its reliable machinery, and the 990 is no exception. Its wet disc brakes and power steering add to its durability and ease of use.

Value Proposition

When compared to similar models in the market, the John Deere 990 offers good value for money, given its robust features and reliable performance.

Pros and Cons

  • Pros: Powerful engine, smooth transmission, reliable performance, safety features like two-post ROPS.
  • Cons: May be considered heavy for some applications, limited to 9-speed transmission.

Ideal Work Conditions

The tractor is best suited for medium to large-scale farming and can handle various types of terrain thanks to its two- or four-wheel drive options.

Final Thoughts

The John Deere 990 is a reliable and robust compact utility tractor that offers a range of features and solid performance. Its versatility and durability make it a good investment for those in need of a dependable tractor.