HDO
Definition
HEAVY DUTY OIL
HDO means HEAVY DUTY OIL.
A viscous, high-viscosity lubricant used in heavy machinery and industrial engines.
✓ Verified term
You might also be looking for
HEAVY DUTY OIL
HDO means HEAVY DUTY OIL.
A viscous, high-viscosity lubricant used in heavy machinery and industrial engines.
You might also be looking for