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John Deere

ZTrak 42-in Battery Zero-Turn Riding Lawn Mower

$2,999.99/ unit$6,499.00

SKU: BG21327

$2,999.99per item

Subtotal$2,999.99

Current stock at Marietta

Store pickup

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Norcross: 1 unit available

Fulfillment
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  • Marietta

    NO STOCK AVAILABLE

    119 Cobb Parkway North, Suite D, Marietta, Georgia 30062

    MY STORE
  • Norcross

    1 unit available

    6755 Jimmy Carter Blvd, Norcross, Georgia 30071

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Questions about this item?

Call Marietta · (770) 874-2254Call Norcross · (770) 758-3223

Ask us to confirm this item’s condition and pickup availability. Item reference: BG21327. Purchases are completed in store. In-store pickup only.

Specifications

Verified model details

Cutting width
42 inches
Nominal battery energy
3.2 kWh
Charging system
Onboard 700W, 120V input
Overall length
77.8 inches
Overall height
43.3 inches
Weight (lbs.)
490

Product details

The John Deere Z370R Electric BG21327 is a zero-turn riding mower with a 42-inch Accel Deep cutting deck. It combines battery-powered operation with twin steering levers, electric deck motors and a foot-operated deck lift. Compare that arrangement with the open areas, obstacles and access points on your property.

The manufacturer documents an onboard charger and a sealed lithium-ion battery rated at 3.2 kWh nominal, with 3.56 kWh as the maximum figure. Charging access, storage and the route between them belong in the purchase plan alongside the cutting width.

A mower of this size should be assessed as a complete machine. The 42-inch figure describes the cut, so check the actual overall dimensions before planning a gate, shed opening or transport route.

Buying guide

Draw the property access first

List each opening the mower must pass through, including gates, the storage doorway and any narrow route between beds or buildings. Measure the complete machine in the configuration you intend to move or store. The published sheet lists a 77.8-inch overall length, 43.3-inch height and 490 lb weight, which are useful planning references.

Do not substitute the cutting-deck width for a full machine measurement or assume that every attachment leaves the footprint unchanged.

Compare zero-turn operation with the yard

Think about where you will make regular turns and how the route passes trees, beds and other fixed features. Twin-lever steering is a different control arrangement from a lawn tractor's steering wheel, so include that preference in the comparison. Evaluate terrain and operating limits with the exact operator's manual. The ability to turn within a confined route does not establish that every slope or surface on the property is suitable.

Plan a charging location

The documented charger is built into the mower rather than being a separate charger to store. Review the manufacturer's requirements for the 120V charging connection and extension cord with the location in mind. Consider the path between storage and the charging point, access to the connection and the way you will retrieve the mower for the next session.

Keep actual charging needs separate from promotional acreage figures when planning the routine.

Choose the grass-finishing arrangement

The standard deck format is side discharge. If you want a different clipping routine, identify the model-compatible arrangement before making it part of the purchase plan. Check the actual mower for installed components and ask which additional parts would be needed. A manufacturer attachment option is not evidence that an attachment is included with this AHL unit. Evaluate the final configuration for both mowing and access to storage.

Separate lawn area from the route through the property

Create two sketches if necessary: one showing the areas to be cut, and another showing how the complete mower reaches them. The second should include storage access, gates, bends beside buildings and locations where another object reduces the clear passage. Record the narrowest useful measurement rather than only the gate's nominal size.

A 42-inch cutting deck is relevant to mowing rows, while the complete mower and installed discharge arrangement determine the access comparison. Review each planned passage with the actual machine and the operator's guidance. A property with an open main lawn can still have a restrictive route between the lawn and its storage area.

Compare battery figures in their own units

The official figures distinguish 3.2 kWh nominal battery energy from 3.56 kWh maximum. Keep those two labels with the numbers when comparing another riding mower. Neither figure should be rewritten as amp-hours without the necessary battery information, or converted directly into a guaranteed mowing area.

For your own planning, note the work sequence and the conditions that make it change: separate lawn sections, turns around obstacles and the selected clipping arrangement. Compare those needs with the exact mower's operating guidance. A clear equipment comparison includes deck format, control style, charging arrangement and battery-energy context together, rather than choosing whichever isolated number appears largest.

Compare the operator display and foot lift with your routine

The Z370R specification sheet identifies an LCD operator display for battery information and a foot-operated deck lift. Review their position on the actual mower alongside the twin steering levers. Think about which information you want to read while preparing the mower and which controls you need to reach comfortably from the operator position.

A display and a foot control can make this a different interface from a mower you already know, even when the deck widths match. Use the exact operator guide to understand the controls; a product comparison should not turn their presence into an assumed operating procedure.

Installation & care

Keep the model and machine records

Retain BG21327 and the mower's serial identification with its operating paperwork. Those references are useful for model-specific service, parts and charging questions. Check the actual battery information, controls and supplied documents together before scheduling pickup. Use the exact operating manual for setup and maintenance rather than borrowing directions from a gasoline ZTrak or a different electric deck size.

Account for the complete storage routine

Plan room to approach the controls and perform the checks called for by the operator's manual. Include access around the deck and a route that remains clear when other garden equipment is stored nearby. Battery operation changes the equipment routine, but it does not remove the need for the model's prescribed inspection and cutting-system care. Review that routine before deciding that the proposed storage spot is sufficient.

Review access to the mower while it is parked

On the storage sketch, show the mower and the items that will remain alongside it. Check whether the controls, charging connection and areas identified for routine inspection can be reached without first moving heavy unrelated equipment. Include the route for taking the mower out again, not just the space occupied when it is parked.

The published overall length and weight are selection references; they do not establish the capacity of a storage floor or a transport arrangement. Discuss those arrangements with the people responsible for handling the actual machine. Keep the operator's document and serial record available where the equipment is stored so service questions can be answered from the correct unit information.

Product FAQs

Is BG21327 the 42-inch version?

Yes. John Deere's model reference identifies BG21327 as Z370R Electric with the 42-inch Accel Deep deck.

Does 42 inches describe the entire mower width?

No. It describes cutting width. Measure the complete machine and account for its configuration when assessing access openings.

Is the charger onboard?

Yes. The manufacturer documents an onboard 700W charger using 120V input. Use the operator's manual for the actual charging connection and cord requirements.

Will it finish two acres on one charge?

Published mowing-area claims depend on conditions. Terrain, grass and attachments affect the work completed, so treat an acreage claim as a comparison reference rather than a guaranteed result.

Should I compare this with a lawn tractor by deck width alone?

Include the control arrangement and the property layout in that comparison. This Z370R uses twin steering levers, so its operating interface differs from a steering-wheel tractor even if both listings use the same cutting-width category. Review the exact operator's requirements and how the mower will move through your regular route. Also compare charging and storage needs with the routine you already have.

A matching deck number does not make two machines interchangeable for every property or user.

What should I ask when comparing control access?

Ask to identify the steering, display and deck-lift controls on the available machine, and compare that arrangement with the intended user's reach and view. Have any proposed adjustment confirmed through the actual operator instructions rather than assuming every control can be repositioned. Keep these questions separate from gate access and storage dimensions.

A machine can suit the property outline while presenting a different control routine from a steering-wheel tractor or a walk mower.

Product guides

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