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Neither Scag nor Exmark is a universal winner. The right choice depends on matching the mower class, deck width, engine and drive configuration to your workload, then verifying warranty terms, dealer support and the current quote for the exact model.
For an owner-focused comparison, Scag’s Liberty Z and Exmark’s Quest are the relevant families in the published material. Exmark’s Radius is positioned as a commercial line and should be compared with a commercial-configured Scag rather than treated as a direct match for every Liberty Z or Quest model.
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What the published information actually establishes
Scag and Exmark each sell several zero-turn configurations. A brand-level verdict would hide the differences that affect mowing: deck width, engine, powertrain, drive system, cutting-height range, deck construction, warranty limits and local service access.
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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteThe manufacturer pages reviewed do not provide a controlled, head-to-head Scag-versus-Exmark test. They therefore cannot prove that one brand always cuts better, lasts longer, is more comfortable, is more productive or offers better value. The useful comparison is model to model, with the specifications and quote for the machine you would actually buy.
#1 Best Overall
- PEAK POWER TECHNOLOGY: The EGO cordless riding mower combines the power of up to six EGO 56V ARC Lithium batteries to deliver the power equivalent of a 24-horsepower gas engine.
- LONG RUNTIME: Electric zero turn mower cuts up to 1.5 acres on a single charge with six included 6.0Ah batteries.
- WIDE FRAME DESIGN: Gives the EGO riding lawn mower exceptional balance on slopes, while its deck suspension system delivers a quiet cut.
- PREMIUM FEATURES: Color digital screen to customize your mowing displays speed, driving mode, blade speed, and battery status. Pair with the EGO Connect app to monitor your battery status, charge time, and more.
- THREE DRIVING MODES: Control, Standard, and Sport. Drive the EGO zero turn radius riding mower at up to 8 MPH.
Scag’s own comparison page identifies the fields buyers should line up: fuel capacity; drive tires and drive system; pumps and motors; forward and reverse speeds; cutting width; deck construction; cutting height; and starting MSRP. Complete pricing is handled through dealers.
Exmark’s pages separate its products into two useful classes: Quest is presented as a residential zero-turn family, while Radius is presented as a commercial zero-turn family. Scag’s Liberty Z page describes an owner-oriented family with several deck and engine choices.
Family and class: start here before comparing specifications
Scag Liberty Z
Liberty Z is a zero-turn riding mower family with 36-, 42-, 48-, 52- and 61-inch deck options. Scag lists several engine choices and model-level MSRPs from $5,599 to $7,399 on the page reviewed. The page directs buyers to local dealers for availability, so a listed configuration is not a guarantee that a particular store has it in stock.
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Quest is positioned for residential use. Its published range includes E-Series, S-Series, X-Series and V-Series machines. The E-Series is offered with 42- or 50-inch decks and a 22-hp Kohler engine. S-Series uses a 54-inch deck and a 24-hp powerplant. X-Series has a 48-inch fabricated and welded deck with a 24-hp Kohler V-Twin. V-Series is a 42-inch electric mower.
Exmark Radius
Radius is explicitly positioned as a commercial zero-turn family and is listed in E-, S- and X-Series versions. The 2026 Radius S-Series description covers 48-, 52- and 60-inch decks and specifies Kawasaki engine options for the described 48/52-inch and 60-inch configurations. That commercial positioning, deck range and engine selection make Radius a different comparison target from an entry residential mower.
Published models, decks, engines and prices
| Family or series | Positioning | Published deck and engine details | Published price | Warranty stated on page |
|---|---|---|---|---|
| Scag Liberty Z | Owner-oriented zero-turn family | 36-, 42-, 48-, 52- and 61-inch decks; several engine choices | $5,599–$7,399 listed MSRPs for configurations shown | Obtain the applicable Scag warranty; the reviewed page links warranty details but does not establish a single term for every Liberty Z configuration |
| Exmark Quest E-Series | Residential | 42- or 50-inch deck; 22-hp Kohler | $3,799 listed cash price | Three years or 300 hours, whichever comes first |
| Exmark Quest S-Series | Residential | 54-inch deck; 24-hp powerplant | $4,899 listed cash price | Three years or 300 hours, whichever comes first |
| Exmark Quest X-Series | Residential | 48-inch fabricated and welded deck; 24-hp Kohler V-Twin | Not stated on the reviewed page | Three years or 300 hours, whichever comes first |
| Exmark Quest V-Series | Residential | 42-inch electric mower | $6,799 listed cash price | Three years or 300 hours, whichever comes first |
| Exmark Radius | Commercial | 2026 Radius S-Series: 48-, 52- or 60-inch decks; Kawasaki options described for the 48/52-inch and 60-inch configurations | Not stated on the reviewed page | Four years or 1,000 hours, whichever comes first |
Prices above are manufacturer-page figures captured in 2026. They are not guaranteed dealer transaction prices, regional prices or like-for-like comparisons. Specifications and prices can change by model year and configuration.
Deck width: productivity versus access
Deck width is one of the clearest practical differences. Liberty Z spans 36 to 61 inches. Quest listings cover 42, 48, 50 and 54 inches depending on series, while the described 2026 Radius S-Series covers 48, 52 and 60 inches.
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Rank #2
- 24HP/726cc FR730 engine
- 54 inch FAB Deck
How to choose a comparable size
- Measure gates, shed doors, trailer ramps and the narrowest path the mower must use.
- Group machines with nearly the same cutting width; do not compare a 36-inch residential machine with a 60-inch commercial configuration and call the result a brand verdict.
- Estimate how much of the property is open mowing versus trimming around obstacles.
- Confirm that the selected deck, discharge arrangement and accessories fit the tractor and your storage or transport setup.
Engine and powertrain: horsepower is only one field
The listed engine information shows why model-level matching matters. Quest E-Series is specified with a 22-hp Kohler, Quest S-Series with a 24-hp powerplant, and Quest X-Series with a 24-hp Kohler V-Twin. The electric Quest V-Series does not use a gasoline horsepower rating. Radius S-Series configurations described for 2026 use Kawasaki engine options, with the exact option tied to the 48/52-inch or 60-inch configuration. Liberty Z offers several engine choices rather than one family-wide engine.
Do not use horsepower alone to infer cut quality, durability or value. Ask the dealer for the exact engine model, fuel capacity, pumps and wheel motors, rated forward and reverse speeds, and the maintenance schedule for the configuration on the quote. Scag specifically lists those fields as comparison points, but the reviewed pages do not provide one complete, standardized figure for every family and model.
Questions to put on the quote
- What is the exact engine make and model for this deck size?
- What drive system, pumps, motors and drive-tire size are included?
- What are the published forward and reverse speeds for this configuration?
- What fuel capacity or battery specification applies, and what operating assumptions accompany it?
- Which replacement filters, belts, blades and other service parts are stocked locally?
Deck construction and cutting-height details
Deck construction should be compared on the exact model, not inferred from a logo or family name. Exmark identifies the Quest X-Series deck as fabricated and welded. Scag’s comparison tool calls out deck construction and cutting height as fields to review, but the Liberty Z material summarized here does not establish one construction type or one cutting-height range for every deck size.
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Before buying, have the dealer document the deck material and construction, cutting-height adjustment method and available range, blade configuration, discharge setup and any included or optional mulch equipment. If two models have different deck widths or construction, a price difference cannot be interpreted as a simple brand premium.
Warranty: compare both time and hours
Exmark lists Quest coverage at three years or 300 hours, whichever comes first. Its Radius page lists four years or 1,000 hours, whichever comes first. That hour limit matters to owners who mow frequently: the calendar term and hour term work together, not independently.
The Scag Liberty Z page links warranty information, but the material reviewed here does not establish one universal Scag term for every Liberty Z configuration. Obtain the applicable written warranty for the model and model year you are quoted, then check exclusions, commercial-use treatment, engine coverage, labor coverage, and the maintenance records required to preserve the warranty.
Price and value: what the listed figures do—and do not—mean
The Liberty Z page lists MSRPs from $5,599 to $7,399 for the configurations shown. Exmark lists cash prices of $3,799 for Quest E-Series, $4,899 for Quest S-Series and $6,799 for Quest V-Series. No Quest X-Series price or Radius price is stated on the reviewed Exmark pages.
These figures are not direct comparisons because the machines differ in deck width, engine or electric power, class and equipment. A lower listed price may correspond to a smaller deck or a different powertrain; a higher price may reflect commercial positioning or included equipment. Treat every number as a starting point for a current dealer quote, not as a guaranteed checkout price.
Rank #3
- Cleaner, more even cuts than gas with constant 17K ft/min blade speed
- Out-cut traditional gas-powered mowers and conquer 2.5 acres with an industry-leading 8mph mowing speed
- 4X quieter than gas with LED Lights for early morning and late evening mowing
- Industry's only rear storage bin with universal front and rear attachment capability
- Removable battery isn't limited to just the mower—it's compatible with over 75 other Greenworks 60v tools
Build a meaningful ownership estimate
- Start with the exact model, deck and engine listed on the quote.
- Add delivery, setup, tax, financing charges and any required accessories.
- Ask for scheduled maintenance items, blade and belt costs, and battery or fuel requirements for the chosen powertrain.
- Value nearby service capacity and parts availability rather than assuming two similarly priced machines have the same ownership cost.
- Check whether the warranty term changes for commercial or high-hour use.
Dealer support and availability
Scag directs buyers to local dealers for Liberty Z availability, and its comparison page says to consult a local dealer for complete pricing. That makes dealer support part of the specification you are buying. Exmark’s published cash prices likewise should be verified with a dealer for stock, model year and included equipment.
Contact more than one nearby dealer when practical and request the same written fields from each. Confirm who performs warranty work, typical parts availability, pickup or transport arrangements, seasonal service capacity and whether the displayed mower is the exact deck and engine combination advertised.
Which line fits common buying situations?
Small or access-constrained residential property
Begin with the narrowest deck that can complete the job efficiently. Liberty Z includes a 36-inch option, while Quest includes 42-inch configurations. Compare turning space, gate width, storage and dealer support before paying for a wider deck that cannot reach all areas.
Open residential property where a wider deck helps
Compare Liberty Z configurations near the required width with Quest S-Series or the appropriate Quest deck. Match engine and drive specifications, not just the nominal 52-, 54- or 61-inch number, and verify that the trailer and storage can handle the machine.
Residential buyer considering electric power
Quest V-Series is described as a 42-inch electric mower and is listed at a $6,799 cash price on the reviewed page. Ask for the battery specification, charging requirements, operating assumptions, replacement-battery terms and service support before comparing its price with gasoline models.
Commercial or high-hour work
Start with a commercial-class comparison. Radius is explicitly positioned as commercial, and its 2026 S-Series description includes 48-, 52- and 60-inch decks with Kawasaki engine options. Compare it with a Scag configuration that has a comparable deck, drive system and intended-use warranty rather than with an entry residential machine.
A step-by-step buying process
- Define the workload. Record property acreage, mowing frequency, terrain, obstacles, gates, storage and transport needs.
- Choose the class. Decide whether an owner-oriented/residential family or a commercial family fits the hours and service expectations.
- Set a deck-width band. Eliminate decks that cannot pass the tightest access point, then compare the remaining widths.
- Request exact configurations. Get the engine, pumps, motors, drive tires, speeds, cutting-height range, deck construction and fuel or battery details in writing.
- Verify warranty terms. Read both the time and hour limit, exclusions and maintenance obligations for the exact model year.
- Collect dealer quotes. Confirm current stock, setup, delivery, taxes, accessories and service arrangements.
- Inspect before accepting. Match the serial-numbered mower to the quote and verify deck, engine, controls, safety equipment and included accessories.
Common comparison mistakes
- Comparing brands instead of models: Liberty Z, Quest and Radius cover different classes and configurations.
- Ranking by horsepower alone: engine output does not reveal the complete drive system, deck or warranty.
- Using MSRP as a transaction price: listed manufacturer figures can change and do not establish regional dealer pricing.
- Ignoring hour limits: a warranty expressed as “years or hours, whichever comes first” may end sooner for a frequent user.
- Assuming the largest deck is best: access and obstacle density can make a smaller deck more practical.
- Assuming family-wide specifications: engine choices, deck construction, speeds and other equipment can vary within a series.
- Skipping the service check: a nearby dealer with parts and warranty capacity can matter as much as a small difference in list price.
Decision framework: Scag Liberty Z, Exmark Quest or Exmark Radius?
| If your priority is… | Start by examining… | Why |
|---|---|---|
| Many deck-width choices in an owner-oriented family | Scag Liberty Z | Published options run from 36 to 61 inches, with several engine choices. |
| A clearly specified residential lineup | Exmark Quest | Published E-, S-, X- and V-Series configurations cover gasoline and electric options. |
| A commercial-class machine | Exmark Radius or a comparable Scag commercial configuration | Radius is explicitly positioned as commercial; match class, deck, drive and warranty before comparing price. |
| A 42-inch electric configuration | Exmark Quest V-Series | The reviewed page identifies it as a 42-inch electric mower and lists a $6,799 cash price. |
The final choice should be the exact machine that fits your access, workload, deck requirement, powertrain preference, warranty and local service network. The available manufacturer information supports that process, not a universal Scag-versus-Exmark performance ranking.
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Manufacturer pages
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
