Oil and Maintenance Guide for 2018 Honda TRX 420 FA/FPA Fourtrax / Rancher AT 420
Before You Service the Engine
Before servicing the 2018 Honda TRX 420 FA/FPA Fourtrax / Rancher AT 420, confirm the lubricant requirements and prepare to verify the final fluid level. A catalog recommendation is a starting point rather than proof of every manufacturer requirement; consult the correct service instructions before adding fluid.
Transmission and Drivetrain
Gearcase or differential lubricant listings include SEVERE GEARĀ® 75W-90.
How much oil does a 2018 Honda TRX 420 FA/FPA Fourtrax / Rancher AT 420 take?
The available engine-oil capacity figure is 3.8 quarts. The amount added during a routine drain may differ from the listed capacity; use the correct level-check procedure when refilling.

