If you need to do auto repairs for your Honda SW T400 then it is always a good idea to possess a Workshop Manual to use as personal reference just in case you need to know techniques to remove a certain component like the Gearbox and install it again accurately.
Honda SW T400 Workshop Manuals will give certain diagnostic information for your car or truck so if something is not working it helps you discover what the issue is and the way to correct it. Then you are able to evaluate if this can be achieved yourself or if ever the job is too big you can still book your SW T400 in to a local mechanic.
Honda SW T400 manual