nickc
Silver Member
Is red dye off road fuel safe to use in a tier 4 engine ?
Yes. It’s simply dyed because it is not taxed like fuel for on-road vehicles. But some brands of off-Road may not have the additive packages the same as the on-road which may affect lubricity of the diesel. I use Optilube XPS all the time for that reason or Power Service white bottle if needed for that reason.