The following details the mining grader population for machines covered by Parker Bay’s Database. This includes all large motor graders with net power ratings of 200kW (275 hp) or greater and some down to 160 kW. The active population is slightly over 3,000 motor graders. The two primary manufacturers of these large graders are Caterpillar and Komatsu, whose models are listed below.

ACTIVE POPULATION: 3,061 SIZE CLASSES: (kW net power rating) 160 200 350+ DRIVE: Mechanical

MOTOR GRADER MANUFACTURERS & MODELS:
The following mining grader models are included in the database, listed here by mining equipment manufacturer and size class. Bold: current OEM models Italics: obsolete models (all units in the database are inactive) Remainder: previous models with units operating at surface mines around the world.
MANUFACTURER	160	200	350+
CATERPILLAR	14G 14H 14M	16 16G 16H 16M	24H 24M
KOMATSU	GD755-5Y	GD825A GD825A-2 GD825A-3
RANGE OF OTR TIRES ON MOTOR GRADER MODELS:
OTR Tire Sizes:	16.00-24 18.00-25 23.50-25 29.50-29