The following details the mining grader population for machines covered by the 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 numbers are just under 2,950 motor graders. The two manufacturers of these large graders are Caterpillar and Komatsu, whose models are listed below.

ACTIVE POPULATION: 2,944
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