The Parker Bay Company

Motor Graders

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: 3,000

SIZE CLASSES: 160, 200, 350+

(net power rating, kW)

Drive: Mechanical

Caterpillar

Size Class Models
160
14G, 14H, 14M
200
16, 16G, 16H, 16M
350+
24H, 24M

Komatsu

Size Class 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