John Deere 648M
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  • Field-installed propane conversion kits for Commercial Walk-Behind Mowers, QuikTrak™ Mowers, and Commercial ZTrak™ Mowers
    Propane conversion kit on a Walk-Behind Mower Propane conversion kit on a Walk-Behind Mower
    Propane conversion kit on a ZTrak Mower Propane conversion kit on a ZTrak Mower

    John Deere provides application-specific Environmental Protection Agency (EPA) approved field-installed propane conversion kits for specific John Deere Commercial Walk-Behind Mowers, QuikTrak Mowers, and ZTrak Mowers. The conversion kits include all components required to convert the engines to operate on propane fuel. Single-tank or dual-tank brackets (depending on the vehicle) are provided for securely holding the propane tank(s) to the vehicle.

    Propane tanks are not included.

    An optional altitude kit is required when operating at altitudes above 2000 ft (610 m). The operator’s manual with the propane conversion kit provides further details. Parts must be ordered separately through John Deere Parts.

    Propane facts:

    • Propane is flammable and commonly used as a fuel.
    • The molecular formula of propane is C3H8, and it is in the family of liquefied petroleum gases (LP gases). The other LP gases include butane, propylene, butadiene, butylene, isobutylene, and mixtures thereof.
    • Propane is commonly available and has proven to be a dependable, safe, economical, and clean-burning fuel. It can be used as household fuel, industrial fuel, and fuel for internal combustion engines. Propane has been used as a fuel since 1910.
    • At atmospheric pressure, propane boils at -44°F (-42.2°C), meaning it typically exists as a vapor. However, when contained under pressure, such as in a propane cylinder, it can exist as a liquid.
    • Propane is naturally odorless, but includes an additive odorant, usually mercaptan, which gives it a distinct odor.
    • Vapor propane is heavier than air, meaning it will settle in low areas such as along the ground or in drains.

     Advantages of John Deere propane conversion kits include:

    • Reduced fuel costs, up to 30 percent depending on fuel prices
    • Lower emissions
    • Reduced fuel-system maintenance
    • Maintains John Deere warranty
    • EPA and CARB certified
    • May qualify for national and state rebate and incentive programs. Please visit www.propane.com/commercial-landscape/programs-and-incentives/ for further information.

    Propane tank mounting bracket options:

    Single propane tank shown on QuikTrak Mower Single propane tank shown on QuikTrak Mower
    Dual propane tanks shown on ZTrak Mower Dual propane tanks shown on ZTrak Mower

     Optional tank configurations and sizes are available to provide operators the ability to tailor for run time:

    • Commercial Walk-Behind Mowers have only a single-tank mounting option.
      • The single-tank bracket is designed for one 20-lb (9.1-kg) or 33-lb (15-kg) Worthington tank.
        • Tank is not included.
    • QuikTrak Mowers have single-tank and dual-tank mounting options.
      • The single-tank, right-side bracket is designed for one 33-lb (15-kg) Worthington tank.
        • Tank is not included.
      • The dual-tank brackets are designed for two 20-lb (9.1-kg) Worthington tanks.
        • Tanks are not included.
    • ZTrak Mowers have single-tank and dual-tank mounting options.
      • The single-tank, left-side bracket is designed for one 33-lb (15-kg) or 43-lb (19.5-kg) Worthington tank.
        • Tank is not included.
      • The dual-tank brackets are designed for two 33-lb (15-kg) Worthington tanks.
        • Tanks are not included.
        • ZTrak Mowers with dual-tank configurations are not compatible with any material collection systems.

    NOTE: Reference the Propane and Attachment Compatibility Chart to determine tank configurations that are compatible.

    Estimated run-time comparison
    Engine displacement  FS603cc FS726cc  FX726cc FX852cc
    Average consumption (lb [kg]/hr) 3.9 (1.8) 4.2 (1.9) 4.2 (1.9) 5.8 (2.6)
    Run time (hours) with 20-lb (9.1-kg) tank 5.1 4.8 4.8 3.4
    Run time (hours) with 33.5-lb (15.2-kg) tank Not available 8.0 8.0 5.8
    Run time (hours) with 43.5-lb (19.7-kg) tank Not available 10.4 10.4 7.5
    Field-installed propane conversion kit compatibility:

    NOTE: Conversion to propane is not intended for units with engines having more than 250 hours of use.

    Commercial Walk-Behind Mowers (model year 2018 and prior)

      WG Series WH Series WHP Series
    Model                                 WG32A WG36A WG48A WH36A WH48A WH52A WH61A WHP36A WHP48A WHP52A WHP61A
    Engine model FS481V FS481V FS481V FS481V FS600V FS600V FS691V FS481V FS600V FS600V FS691V
    Engine displacement 603 cc 603 cc 603 cc 603 cc 603 cc 603 cc 726 cc 603 cc 603 cc 603 cc 726 cc
    Propane kit model number Not available Not available Not available FS603cc FS603cc FS603cc FS726cc FS603cc FS603cc FS603cc FS726cc

    QuikTrak Mowers

      E Series M Series R Series
    Model                                  652E 636M 648M 652M 648R 652R 652R EFI 661R 661R EFI
    Engine model FX691V FS600V FX691V FX691V FX691V FX730V ECV740 EFI FX730V ECV740 EFI
    Engine displacement 726 cc 603 cc 726 cc 726 cc 726 cc 726 cc 747 cc 726 cc 747 cc
    Propane kit model number FX726cc Not available Not available Not available FX726cc FX726cc Not available FX726cc Not available

    Commercial ZTrak Mowers

      E Series M Series      R Series 
    Model                                  Z915E Z920M Z930M Z945M EFI Z950M  Z955M EFI Z960M Z930R Z950R Z955R EFI Z970R
    Engine model CV742 FX730V FX801V ECV850 EFI FX850V ECV860J EFI FX921V FX801V FX850V ECV860J EFI FX1000V
    Engine displacement 747 cc 726 cc 852 cc 824 cc 852 cc 824 cc 999 cc 852 cc 852 cc 824 cc 999 cc
    Propane kit model number Not available FX726cc* FX852cc* Not available FX852cc* Not available Not available FX852cc* FX852cc* Not available Not available
    *Not compatible with 48-in. (122-cm) mower decks.

    Worthington tanks are manufactured by Worthington Industries, Inc.

Blades

Number Three
Blade tip speed 18,900 fpm
5,761 m/min
Length 16.5 in.
41.9 cm
Thickness 0.203 in.
0.516 cm

4.0

2 Reviews
4.5
4.5
5.0
Apr 29, 2019

Great cut and speed, no traction.

3/5

I like the mower so far, it is very easy to use and operate, the controls are layed out very nice. The cut quality is very good and it stripes well. This machine has zero traction however. The tires constantly spin especially in reverse and even on flat surfaces going forward, even when the ground is totally dry. I’ve gotten stuck several times in spots no mower should get stuck or even spin tires. Spend the extra money and get the R series with bigger tires.

Jbeltz

  • From: Waldorf, MD
  • Usage Frequency: Daily
  • Level of Experience: Expert
4
4
5
Jul 07, 2020

Excellent Mower

5/5

Excellent mower, works great on all of our residential and small commercial properties

cfoskett

  • From: Olathe, KS
  • Usage Frequency: Daily
  • Level of Experience: Expert
5
5
5