Robot mower

Husqvarna Automower 420 iQ

Best for Wire-free mowing on lawns up to about 1 acre.

MSRP
$3,299.99
as of 2026-07-05

A wire-free EPOS satellite mower rated for lawns up to 1 acre, with a published 45 percent slope capability inside the installation and radar based object detection. Husqvarna backs the unit with a 4 year US and Canada warranty on the mower.

Schematic outline. A licensed product photo of the Husqvarna Automower 420 iQ is pending.
Automower 420 iQ against the mowers we track
Work areamore is better
43,560sq ft
  • Published as lawn size 1 acre plus or minus 20 percent (43560 sq ft). Basis varies by layout: area capacity 0.5 acre for irregular areas, 1 acre with systematic mowing.
Max slopemore is better
45%
  • Published as maximum slope performance inside installation, 45 percent. Slope at the boundary is limited to 15 percent.
Cutting widthmore is better
9.4in
Runtimemore is better
84min
  • Published as typical mow time on one charge; the charge time is the published typical charging time.
Noiseless is better
62dB
  • Published as sound level perceived in dB(A).
Warrantymore is better
4yr

Full specification

Coverage
Work area43,560 sq ftPublished as lawn size 1 acre plus or minus 20 percent (43560 sq ft). Basis varies by layout: area capacity 0.5 acre for irregular areas, 1 acre with systematic mowing.
Max slope45 %Published as maximum slope performance inside installation, 45 percent. Slope at the boundary is limited to 15 percent.
Cutting width9.4 inCutting heights published as approximate, 1 in min to 4 in max. 3 pivoting razor blades, electric cutting height adjustment, dual cutting direction.
Cutting height1 to 4 in
Navigation
NavigationEPOS satellite virtual boundaries (wire-free) with onboard radar; physical boundary wire also supported
Boundary wireWire-free
Obstacle avoidanceOnboard radar based object detection
Multi-zoneYes
Power & runtime
Runtime per charge84 minPublished as typical mow time on one charge; the charge time is the published typical charging time.
Charge time54 min
Noise62 dBPublished as sound level perceived in dB(A).
Build
Weather ratingIPX5
Weight38 lbs
Dimensions29.6 x 21.4 x 11.1 in (L x W x H)
ConnectivityCellular, Wi-Fi, Bluetooth; Automower Connect app; smart home integration; FOTA firmware updates
Anti-theftGPS theft tracking, GeoFence, PIN code, alarm, lift and tilt sensors
Warranty & price
Warranty4 yr4 year warranty on the mower unit for Automower iQ Series, US and Canada only; batteries covered by a separate 3 year warranty. 1 year of free blades promotion listed on the product page.
MSRP$3,299.99As of 2026-07-05