Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1987
>>
R 2500 P/U 2WD L6-292 4.8L
>>
Repair and Diagnosis
>>
Maintenance
>>
Application and ID
>>
Light Duty/Heavy Duty Definition
Light Duty/Heavy Duty Definition
Vehicles with a Gross Vehicle Weight Rating (GVWR) of 8,500 or less are LIGHT duty vehicles. Vehicles with a GVWR over 8,500 are HEAVY duty vehicles.