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.

motor graders

ACTIVE POPULATION: 3,061

SIZE CLASSES: 160, 200, 350+

(in metric tons)

Drive: Mechanical

CATERPILLAR

Size Class (MT Payload)

Models

160

14G, 14H, 14M

200

16, 16G, 16H, 16M

350+

24H, 24M

KOMATSU

Size Class (MT Payload)

Models

160

GD755-5Y

200

GD825A, GD825A-2, GD825A-3

350+

RANGE OF OTR TIRE SIZES ON MOTOR GRADER MODELS:

OTR Tire Sizes:

16.00-24, 18.00-25, 23.50-25, 29.50-29