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John Deere 790 Tractor Review - About the JD 790

A natural John Deere hobbyist, I am learning and researching about the various models and sharing my tractor findings.

John Deere

John Deere

The John Deere 790 is a tractor that was developed by Yanmar in Japan for John Deere. It has a 27 hp or 20kw Yanmar engine. Among its top features include Yanmar 3TNE84 diesel 3-cylinder liquid-cooled 91.3 ci [1.5L] engine that makes 30 hp horsepower.

John Deere 790 also comes with 8 forward and 2 reverse gearbox system, unsynchronized transmission system, and attachments that include front loader and 60” mower deck. If you wish to know more about this product’s specification, this article is for you.


  • Engine

The John Deere 790 is first introduced in 2000 with Yanmar 3TNE84, diesel three-cylinder liquid-cooled [1.5 L] 91.3 ci. It has a dry air cleaner and power gross of about 27 to 30 hp [22.4 kW]. The engine’s stroke/bore is around 3.3 x 3.5 inches or 84 x 89 mm. Its compression is 18:1 and has a rated RPM of 2600. It has 12 starter bolts and [4.0 L] 4.2 qts oil capacity.

  • Battery

It is powered by a battery with 500 cold-cranking amps, 12 volts, and 45 groups.

  • Transmission

It comes with the unsynchronized transmission. The John Deere 790 tractor comes with 8 forward and 2 reverse gears. Its transmission has an oil capacity of [15.1 L] 16 qts and the oil type is low viscosity HY-Gard.

  • Dimensions

The tractor weighs 1,930 Ibs or 875 kg (2WD). Its wheelbase measures 153 cm or 60.4 inches. It has a length of 87.8 inches or 223 cm. The height (hood) is around 51.2 inches (130 cm) while its height (ROPS) is 82 inches (208 cm).

  • Electrical

The John Deere 790 has negative ground, alternator charging system with 20 charging amps.

  • Tires

The engine comes with 6.00 to 12 (early) Ag front and 12.4 to 16 early Ag rear. Its turf/lawn front is about 25 x 8.50 – 14 while its turf/lawn rear is around 13.6 to 16. The product’s industrial font is 25 x 8.50 -14 and the industrial rear is 15.0 to 19.6.

  • Mechanical

It has a 4 x 2 2WD chassis and manual 2WD steering and 4WD hydrostatic power. The tractor also comes with independent dry shoe brakes and ROPS cab.

  • Hydraulics

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It has an open center type and capacity of 4 gal [15.1 L]. Its pressure is around 2050 psi [141.3 bar] and 5.4 gpm [20.4 lpm] pump flow. The John Deere has steering press of 2050 psi [141.3 bar] and steering flow of 4.2 gpm [15.9 lpm].


John Deere 790 tractor comes with useful attachments for excellent grass mowing.

  • 60” Mower Deck

The 60” mower deck has a mid-mount John Deere type that is equipped with 3-blade with a hydraulic lift. The cutting width is around 60 inches or 152 cm. It weighs 325 Ibs, and its overall width is 72.5 inches. The cut height of this attachment is around 1 to 8.75 inches.

  • Loader John Deere 70

The tractor has an attachment of John Deere 70 loader that has a height of 77 inches. The loader has a clearance and 62.5 inches dumped bucket. Its dump reach is 31 inches and dump angle of 45 inches. It can reach at the ground at 46 inches and rollback at ground of 22 inches. This loader has a breakout force (at pin) of 1,300 Ib. a breakout force (bucket) of 1,570 Ibs. It can lift to full height of about 755 Ibs. Its bucket capacity is 0.17 cu yd and bucket width of 48 inches. It has a rise time to height of 2.7 s, 2.0 s bucket dump time, 2.6 s lowering time, and 2.0s rollback time.

  • Loader John Deere 419

The John Deere 790 has an attachment of John Deere 419 loader. It has a height of 88 inches and clearance, dumped bucket of 66.3 inches. Its dump reach is 39.7 inches and dump angle of 45 inches. It can reach at the ground about 51.5 inches and rollback at ground about 23.4 inches. Its rollback raised is 99 and comes with a breakout force (at pin) of 1,616 Ibs and breakout force (at 500mm) of 1,378 Ibs. It also has a breakout force (bucket) of 1,124 Ibs. This loader can lift to full height (at pin) of 610 Ibs, lift full height (at 500mm) of 527 Ibs and lift to 1.5 m (at pin) of 829 Ibs and lift to 1.5 (at 500mm) of 730 Ibs. It has 53 inches bucket width.

  • Backhoe

Another attachment of the John Deere 790 is a John Deere 7 backhoe that weighs around 787 Ibs. Its 2-foot flat digging depth is about 90 inches, and its reach from pivot is 114 inches. The backhoe’s loading height is 70 inches and comes with a bucket force of 1,945 Ibs. It also has a dipper stick force of 1,095 Ibs.

Repair and Restoration

To enjoy the perfect efficiency of John Deere 790, you must keep it on its top condition. Well, if there is any damage on your tractor, you must seek the help of professionals, especially if you don’t have enough knowledge and experience in fixing the damaged parts of the tractor. Make sure that you are only working with a well-experienced repair and restoration company to ensure that the tractor can return to its perfect function. With their knowledge and right equipment, you have peace of mind when it comes to your repair and restoration needs.

Meanwhile, the team of John Deere also offer repair and consultation services for their tractors. They can give you the best advice to maintain the best usability of your tractor.

Where to Purchase John Deere 790 and its Parts?

If you plan to buy John Deere 790 lawn tractor and its parts, you can avail it offline and online.

  • Online

It is a fact that online media is now a big part of the daily lifestyle of millions of people all over the world. Furthermore, people look over the internet to buy their needs. With this, you can also avail John Deere in different online stores. With just a click, you can save effort, time, and money when it comes to canvassing for the said lawn tractor.

You can check it on the most trusted online stores in the market such as Craigslist and eBay which offer various John Deere lawn mower models. With this, you can have an easy, fast and hassle-free order procedure of the John Deere 790 lawn tractor for your lawn mowing needs. There are also small online stores that can offer you with the product, so make sure that you only purchase it on the most reliable online stores to avoid regrets in the end.

  • Offline

If you want to purchase excellent quality, John Deere 790, purchasing it offline is the best solution. There are many physical hardware stores that provide brand new John Deere 790 lawn tractor. Meanwhile, you must also consider things before buying it. You can check its weight, quality and other factors to ensure that it is an original product. Monitor its hydraulics, screws as well as the engine to ensure that it has no damage.

Where to Find the Parts?

There are circumstances when certain parts of John Deere 790 get damaged. With this, you need to find a reliable provider of the damaged parts of your tractor. Well, you can find quality parts of the model in both offline and online stores. You must conduct careful research to ensure that you can get the perfect one for your needs.

Technical Manual, Part Catalogs and User’s Manual

If you want to get the catalogs and manual of the John Deere 790, you can download it online. There are many PDF files online about the user’s manual of the product. The best way to get a reliable user’s manual is to visit the site of John Deere. You can also email their official website or call their contact numbers for your inquiries.

The manual of the lawn tractor is important to ensure that you are using it in the best possible way. With this, you can avoid problems that can result in damage and interruption while operating it in your lawn.

John Deere 790 is made with great quality to offer optimum lawn performance. With this product, you can have easy gardening and grass mowing solutions. So, you can maintain a relaxing and beautiful ambiance in your residency.

This content is accurate and true to the best of the author’s knowledge and is not meant to substitute for formal and individualized advice from a qualified professional.

© 2019 Harry Sheen

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