Specifications
Motor Graders Category Spec Sheet
Motor graders are essential construction machines designed for creating flat surfaces, fine grading, and material spreading. They are characterized by a long adjustable blade located between the front and rear axles, allowing for precise leveling and shaping of various terrains.
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Specifications by system
Dimensions
Overall Length25-40 ftLength from front tire to rear bumper.
Overall Width8-10 ftWidth without blade extensions.
Operating Weight20,000-60,000 lbsIncludes standard counterweights and full fuel.
Wheelbase18-25 ftDistance between front and rear axles.
Blade
Blade Length10-16 ftStandard blade length, can sometimes be extended.
Blade Height24-30 inVertical dimension of the moldboard.
Max Blade Depth18-24 inMaximum cutting depth below ground level.
Blade Rotation360 degreesMaximum rotation for angled grading.
Operating Specifications
Max Travel Speed20-30 mphTop speed for transport between job sites.
Turning Radius20-35 ftMinimum space required to make a U-turn.
Articulation Angle20-25 degreesAllows for tighter turns and offsetting the blade.
Hydraulics
Pump Flow30-60 gpmHydraulic flow influences blade response and attachment speed.
System Pressure2500-3500 psiOperating pressure for hydraulic functions.
Weight classes
| Class | Weight range | Typical use |
|---|---|---|
| Compact/Light Duty | 15,000-25,000 lbs | Residential, light commercial, urban roads |
| Medium Duty | 25,001-45,000 lbs | Road construction, municipal, larger commercial sites |
| Heavy Duty | 45,001-70,000 lbs | Mining, large-scale infrastructure, major highway construction |
Common attachments
Front Blade/Dozer BladeRipper/ScarifierSnow WingV-PlowMid-Mount ScarifierPush BlockLaser/GPS Grade Control SystemCompactor Plate
Typical price ranges
Used Older/Small Model
$25,000 - $75,000High hours, basic features, potentially some repairs needed.
Used Mid-Range
$75,001 - $200,000Moderate hours, good condition, some modern features.
New Basic/Medium Model
$250,000 - $450,000Standard features, common sizes, manufacturer warranty.
New Advanced/Large Model
$450,001 - $700,000+High-capacity machines, advanced grade control, premium features.
Buyer tip: Always verify specific model specifications directly from the manufacturer or reputable dealer. Confirm component compatibility for attachments and any required electrical or hydraulic systems.