John Deere Z820A

The John Deere Z820A zero turn lawnmower is a slightly more powerful model than the John Deere Z810A, but it’s not quite as powerful as the likes of the John Deere Z830A or the John Deere Z840A lawnmowers. The engine that powers the JD Z820A is an air cooled Kawasaki that produces 25 hp. This engine uses a fully pressurized lubrication system to keep everything moving properly. It has a total volume of 0.675 liters. It uses both a canister type air filter and a pre cleaner to filter impurities out of the air intake. The engine is started by a 12 volt battery using a key start mechanism. This battery is then recharged via a 20 amp alternator once the engine is ticking over. The fuel tank on this machine has a capacity to hold up to 43.5 liters (11.5 US gallons) of gasoline.

The John Deere Z820A powers the rear wheels which drive it to a top speed of 19.3 kph (12 mph) and when reversing it has a max speed of 9.7 kph (6 mph). Power from the engine reaches the rear wheels through a dual hydrostatic transmission that allows for independent control of each rear wheel. The JD Z820A has a digital hourmeter built in as standard so that the operator can accurately judge when to get it serviced and keep it in good working order.

There is a choice of different mower decks for the John Deere Z820A zero turn lawnmower. The smallest has a cutting width of 48 inches, while the largest has a cutting width of 60 inches. The mid sized deck is 54 inches wide. Each mower deck consists of 3 blades housed inside a mower deck made from 7 gauge stamped steel (the name for this series of mower decks is the ‘7 Iron II’ series). Some of these decks on the JD Z820A discharge the grass clippings out the side, while others have mulch on demand capability.

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3 Reviews of the “John Deere Z820A”

  1. Marshall McGraw says:

    Very good experience. I live in country and have a large yard and this mower has performed well. It will tear up the ground when wet if you don’t slow down and make turns very carefully. The deck on this thing is amazing. I have pipe fence around my property and I have side swiped fence posts many, many times and the deck is tough as nails.

    My biggest problem with John Deere is price and service costs at dealers. Not everyone can enjoy these machines given the price point. Too bad but………….

    Year of Manufacture: 2012
    Pros: Fast mowing and reliable.
    Cons: Not good on rough ground.
    Attachments: Would like to be able to attach an aereator
    Modifications: None

  2. Gene Sykes says:

    Best mower I’ve ever owned.

    Year of Manufacture: 2007
    Pros: . 1000hrs and still runs like new.
    Cons: none

  3. Hank says:

    I mow about 3 acres and as wet as it has been this year about every days

    Year of Manufacture: 0
    Pros: Mower cuts great very fast and smooth cutting
    Cons: rough riding on rough terrain and will tear grass on sharp turn till you learn how to turn using a little back and go method,
    Modifications: would help if could add a little spring to the ride

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