Machine models

Komatsu GD555-3 to GD675-5 specifications

Entries in this reference
Listing-entry count
4
Short answer

Komatsu GD555-3 to GD675-5: motor graders.

Selected configuration figures
ConfigurationDocumented field and quantity
GD555-3
Net Power Gear 5-6
160 hp
Std Operation Weight - Total
30,953 lb
GD655-3
Net Power Gear 5-6
200 hp
Std Operation Weight - Total
33,951 lb
GD675-3
Net Power Gear 5-6
199.9 hp
Std Operation Weight - Total
34,855 lb
GD675-5
Net Power Gear 4-6
149 hp
Std Operation Weight - Total
35,175 lb
GD555-3 to GD675-5 specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
KomatsuGD555-3 to GD675-54GD555-3, GD655-3, GD675-3, and GD675-5
Dimensions and weight
SpecificationGD555-3GD655-3GD675-3GD675-5
Overall Length30.81 ft33.75 ft32.37 ft34.7 ft
Width Over Tires8.29 ft8.33 ft8.37 ft8.63 ft
Wheelbase19.2 ft19.93 ft19.92 ft21.26 ft
Tandem Axle Wheelbase5 ft5 ft5.04 ft5.01 ft
Height To Top Of Isomount Cab10.18 ft10.25 ft10.24 ft10.5 ft
SpecificationGD555-3GD655-3GD675-5
Blade Base8.17 ft8.5 ft8.47 ft
Engine
SpecificationGD555-3GD655-3GD675-3GD675-5
Number Of Cylinders6666
Net Power Gear 4-6160 hp200 hp199.9 hp149 hp
Engine ModelSAA6D102E-2SAA6D114E-3SAA6D114E-3SAA6D107E-1
Power Measured @2,000 rpm1,900 rpm1,900 rpm2,000 rpm
Torque Measured @1,500 rpm1,400 rpm1,400 rpm1,450 rpm
Net Power Gears 7-8160 hp200 hp199.9 hp163 hp
AspirationTurbocharged and aftercooledTurbocharged and air-to-air aftercooledTurbocharged and air-to-air aftercooledTurbocharged
SpecificationGD555-3GD655-3GD675-3
Net Power Gear 1-2140 hp180 hp179.7 hp
Net Power Gear 5-6160 hp200 hp199.9 hp
Max Power160 hp200 hp199.9 hp
Net Torque Gears 1-2425 lb-ft612 lb-ft612.2 lb-ft
Net Torque Gears 3-4538 lb-ft719 lb-ft719.2 lb-ft
Net Torque Gears 5-6538 lb-ft719 lb-ft719.2 lb-ft
Net Torque Gears 7-8538 lb-ft719 lb-ft719.2 lb-ft
Displacement359 cu in505 cu in504.7 cu in
SpecificationGD675-5
Torque694.1 lb-ft
Gross Power Gear 1-3136 hp
Gross Power Gear 4-6151 hp
Gross Power Gear 7-8165 hp
Net Power Gear 1-3134 hp
Engine MakeKOMATSU
Bore4.3 in
Stroke4.9 in
Operational
SpecificationGD555-3GD655-3GD675-3GD675-5
Std Operation Weight - Front Axle8,819 lb9,039 lb9,480 lb9,645 lb
Hydraulic System Fluid Capacity22.5 gal26.4 gal11.9 gal18.3 gal
Std Operation Weight - Rear Axle22,135 lb24,912 lb25,375 lb25,530 lb
Std Operation Weight - Total30,953 lb33,951 lb34,855 lb35,175 lb
Fuel Capacity89.9 gal89.9 gal89.9 gal109.9 gal
Cooling System Fluid Capacity11.1 gal10.4 gal10.5 gal7.8 gal
Transmission Fluid Capacity11.9 gal11.9 gal11.9 gal11.9 gal
Circle Gearbox Fluid Capacity1.5 gal1.3 gal1.4 gal1.9 gal
Tandem Case Fluid Capacity (Each)21.9 gal21.9 gal22 gal15.1 gal
Tire SizeLow pressure, tubeless, 14.00 X 24, 12 ply rating - G2low pressure, tubeless, 17.5R25low pressure, tubeless, 17.5R2517.5R25
Operating Voltage24 V24 V24 V24 V
Alternator Supplied Amperage90 amps90 amps90 amps60 amps
SpecificationGD555-3GD655-3
Oil System Fluid Capacity3.8 gal8 gal
SpecificationGD675-5
Rear Diff/Final Drive Fluid Capacity4.5 gal
Steering
SpecificationGD555-3GD655-3GD675-3GD675-5
Articulation Angle23 degrees23 degrees23 degrees25 degrees
Turning Radius22.4 ft22.7 ft2 ft24.3 ft
Transmission and speeds
SpecificationGD555-3GD655-3GD675-3GD675-5
Transmission TypeFull power shift transmissionFull power shift transmissionFull power shift transmissionFull power shift transmission
Number Of Gears - Forward8888
Number Of Gears - Reverse4444
Max Speed - Forward26.7 mph26.2 mph26.3 mph27.5 mph
Max Speed - Reverse24.3 mph23.9 mph23.8 mph25 mph
Front Axle
SpecificationGD555-3GD655-3GD675-3GD675-5
Wheel Lean20 degrees20 degrees20 degrees16 degrees
Oscillation - Total32 degrees32 degrees32 degrees32 degrees
Ground Clearance2 ft24.8 ft2.7 ft2.1 ft
Moldboard
SpecificationGD555-3GD655-3GD675-3GD675-5
Moldboard Width12 ft12 ft12 ft14.2 ft
Moldboard Height26 in26 in26 in25.4 in
Moldboard Thickness0.9 in0.9 in1 in0.8 in
Max Depth Of Cut32.9 in32.1 in32.1 in24.3 in
Side Shift Left32.3 in32.3 in32.3 in44.3 in
Side Shift Right32.3 in32.3 in32.3 in44.3 in
Hydraulic System
SpecificationGD555-3GD655-3GD675-3GD675-5
Pump TypeClosed Center Load Sensing System (CLSS) hydraulicsLoad-sensing closed center hydraulics with variable displacement piston pumpload-sensing closed center hydraulicsLoad-sensing closed center hydraulics
Pump Flow54 gpm51 gpm51 gpm52.9 gpm
Relief Valve Pressure3,000 psi3,000 psi3,000 psi435.2 psi
Circle
SpecificationGD555-3GD655-3GD675-3GD675-5
Diameter60.2 in60.2 in60.3 in60.3 in
Rotation360 degrees360 degrees360 degrees360 degrees
Shift Left24.5 in24.2 in24.7 in23.3 in
Shift Right24.5 in24.2 in24.7 in23.3 in
Max Lift Above Ground19.1 in19.9 in19.9 in18.9 in
Blade Tip Angle - Front40 degrees40 degrees40 degrees40 degrees
Blade Tip Angle - Rear5 degrees5 degrees5 degrees5 degrees
SpecificationGD555-3GD675-3GD675-5
Max Reach Outside Tires - Left78.7 in78.8 in98.5 in
Max Reach Outside Tires - Right78.7 in78.8 in98.5 in
Variants — Source comparison annotation
Source guideDiffering-field count reported
GD555-3 to GD675-561
Ratios
FigureGD555-3GD655-3GD675-3
Engine horsepower per 1,000 lb of weight5.25.95.7
Fuel tank per engine horsepower0.56 gal0.45 gal0.45 gal
Reference directory classification
Equipment groupmotor grader
GD555-3 to GD675-5: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumsmotor graderKomatsu and the GD655 line that the GD555-3, GD655-3 belongs to (no title names the exact model). That is too few titles to say what owners mostly ask about, so the most recent are listed instead5
Used market for the GD555-3 to GD675-5 — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderKomatsu motor grader5
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
GD655-312010$45,000$45,000$45,00017,592
GD675-542012 to 2018$97,804$108,172$97,8042,018
GD555-3 to GD675-5: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionKomatsu together with the motor grader GD555-3, GD655-3, GD675-3, GD675-5No matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
Reference site
Reference site
Reference site
Forum threads
Used-market listings
Federal agency data
Recorded observations — Forum-title snapshot
Observation fieldRecorded value
Title count5
Forum indexesHeavy Equipment Forums
Search wordingthe GD555-3 to GD675-5 motor grader
Latest title quoted by the referenceKomatsu Gd655 3c Is Joystick Repair

Komatsu GD555-3 to GD675-5: Configuration records

GD555-3
SpecificationSource figure
Dimensions and weight
Overall Length30.81 ft
Width Over Tires8.29 ft
Wheelbase19.2 ft
Tandem Axle Wheelbase5 ft
Blade Base8.17 ft
Height To Top Of Isomount Cab10.18 ft
Engine
Number Of Cylinders6
Engine ModelSAA6D102E-2
Power Measured @2,000 rpm
Net Power Gear 5-6160 hp
Max Power160 hp
Displacement359 cu in
Net Power Gear 4-6160 hp
Net Torque Gears 3-4538 lb-ft
Net Torque Gears 5-6538 lb-ft
Net Power Gear 1-2140 hp
Torque Measured @1,500 rpm
Net Power Gears 7-8160 hp
Net Torque Gears 1-2425 lb-ft
Net Torque Gears 7-8538 lb-ft
AspirationTurbocharged and aftercooled
Operational
Std Operation Weight - Total30,953 lb
Fuel Capacity89.9 gal
Tire SizeLow pressure, tubeless, 14.00 X 24, 12 ply rating - G2
Std Operation Weight - Front Axle8,819 lb
Std Operation Weight - Rear Axle22,135 lb
Hydraulic System Fluid Capacity22.5 gal
Oil System Fluid Capacity3.8 gal
Cooling System Fluid Capacity11.1 gal
Transmission Fluid Capacity11.9 gal
Circle Gearbox Fluid Capacity1.5 gal
Tandem Case Fluid Capacity (Each)21.9 gal
Operating Voltage24 V
Alternator Supplied Amperage90 amps
Steering
Articulation Angle23 degrees
Turning Radius22.4 ft
Transmission and speeds
Number Of Gears - Forward8
Max Speed - Forward26.7 mph
Max Speed - Reverse24.3 mph
Transmission TypeFull power shift transmission
Number Of Gears - Reverse4
Front Axle
Ground Clearance2 ft
Wheel Lean20 degrees
Oscillation - Total32 degrees
Moldboard
Moldboard Width12 ft
Moldboard Height26 in
Moldboard Thickness0.9 in
Max Depth Of Cut32.9 in
Side Shift Left32.3 in
Side Shift Right32.3 in
Hydraulic System
Pump TypeClosed Center Load Sensing System (CLSS) hydraulics
Pump Flow54 gpm
Relief Valve Pressure3,000 psi
Circle
Max Reach Outside Tires - Left78.7 in
Max Reach Outside Tires - Right78.7 in
Max Lift Above Ground19.1 in
Diameter60.2 in
Rotation360 degrees
Shift Left24.5 in
Shift Right24.5 in
Blade Tip Angle - Front40 degrees
Blade Tip Angle - Rear5 degrees

Source

GD655-3
SpecificationSource figure
Dimensions and weight
Overall Length33.75 ft
Width Over Tires8.33 ft
Wheelbase19.93 ft
Tandem Axle Wheelbase5 ft
Blade Base8.5 ft
Height To Top Of Isomount Cab10.25 ft
Engine
Number Of Cylinders6
Engine ModelSAA6D114E-3
Power Measured @1,900 rpm
Net Power Gear 5-6200 hp
Max Power200 hp
Displacement505 cu in
Net Power Gear 4-6200 hp
Net Torque Gears 3-4719 lb-ft
Net Torque Gears 5-6719 lb-ft
Net Power Gear 1-2180 hp
Torque Measured @1,400 rpm
Net Power Gears 7-8200 hp
Net Torque Gears 1-2612 lb-ft
Net Torque Gears 7-8719 lb-ft
AspirationTurbocharged and air-to-air aftercooled
Operational
Std Operation Weight - Total33,951 lb
Fuel Capacity89.9 gal
Tire Sizelow pressure, tubeless, 17.5R25
Std Operation Weight - Front Axle9,039 lb
Std Operation Weight - Rear Axle24,912 lb
Hydraulic System Fluid Capacity26.4 gal
Oil System Fluid Capacity8 gal
Cooling System Fluid Capacity10.4 gal
Transmission Fluid Capacity11.9 gal
Circle Gearbox Fluid Capacity1.3 gal
Tandem Case Fluid Capacity (Each)21.9 gal
Operating Voltage24 V
Alternator Supplied Amperage90 amps
Steering
Articulation Angle23 degrees
Turning Radius22.7 ft
Transmission and speeds
Number Of Gears - Forward8
Max Speed - Forward26.2 mph
Max Speed - Reverse23.9 mph
Transmission TypeFull power shift transmission
Number Of Gears - Reverse4
Front Axle
Ground Clearance24.8 ft
Wheel Lean20 degrees
Oscillation - Total32 degrees
Moldboard
Moldboard Width12 ft
Moldboard Height26 in
Moldboard Thickness0.9 in
Max Depth Of Cut32.1 in
Side Shift Left32.3 in
Side Shift Right32.3 in
Hydraulic System
Pump TypeLoad-sensing closed center hydraulics with variable displacement piston pump
Pump Flow51 gpm
Relief Valve Pressure3,000 psi
Circle
Max Lift Above Ground19.9 in
Diameter60.2 in
Rotation360 degrees
Shift Left24.2 in
Shift Right24.2 in
Blade Tip Angle - Front40 degrees
Blade Tip Angle - Rear5 degrees

Source

GD675-3
SpecificationSource figure
Dimensions and weight
Overall Length32.37 ft
Width Over Tires8.37 ft
Wheelbase19.92 ft
Tandem Axle Wheelbase5.04 ft
Height To Top Of Isomount Cab10.24 ft
Engine
Number Of Cylinders6
Engine ModelSAA6D114E-3
Power Measured @1,900 rpm
Net Power Gear 5-6199.9 hp
Max Power199.9 hp
Displacement504.7 cu in
Net Power Gear 4-6199.9 hp
Net Torque Gears 3-4719.2 lb-ft
Net Torque Gears 5-6719.2 lb-ft
Net Power Gear 1-2179.7 hp
Torque Measured @1,400 rpm
Net Power Gears 7-8199.9 hp
Net Torque Gears 1-2612.2 lb-ft
Net Torque Gears 7-8719.2 lb-ft
AspirationTurbocharged and air-to-air aftercooled
Operational
Std Operation Weight - Total34,855 lb
Fuel Capacity89.9 gal
Tire Sizelow pressure, tubeless, 17.5R25
Std Operation Weight - Front Axle9,480 lb
Std Operation Weight - Rear Axle25,375 lb
Hydraulic System Fluid Capacity11.9 gal
Cooling System Fluid Capacity10.5 gal
Transmission Fluid Capacity11.9 gal
Circle Gearbox Fluid Capacity1.4 gal
Tandem Case Fluid Capacity (Each)22 gal
Operating Voltage24 V
Alternator Supplied Amperage90 amps
Steering
Articulation Angle23 degrees
Turning Radius2 ft
Transmission and speeds
Number Of Gears - Forward8
Max Speed - Forward26.3 mph
Max Speed - Reverse23.8 mph
Transmission TypeFull power shift transmission
Number Of Gears - Reverse4
Front Axle
Ground Clearance2.7 ft
Wheel Lean20 degrees
Oscillation - Total32 degrees
Moldboard
Moldboard Width12 ft
Moldboard Height26 in
Moldboard Thickness1 in
Max Depth Of Cut32.1 in
Side Shift Left32.3 in
Side Shift Right32.3 in
Hydraulic System
Pump Typeload-sensing closed center hydraulics
Pump Flow51 gpm
Relief Valve Pressure3,000 psi
Circle
Max Reach Outside Tires - Left78.8 in
Max Reach Outside Tires - Right78.8 in
Max Lift Above Ground19.9 in
Diameter60.3 in
Rotation360 degrees
Shift Left24.7 in
Shift Right24.7 in
Blade Tip Angle - Front40 degrees
Blade Tip Angle - Rear5 degrees

Source

GD675-5
SpecificationSource figure
Dimensions and weight
Overall Length34.7 ft
Width Over Tires8.63 ft
Wheelbase21.26 ft
Tandem Axle Wheelbase5.01 ft
Blade Base8.47 ft
Height To Top Of Isomount Cab10.5 ft
Engine
Number Of Cylinders6
Engine ModelSAA6D107E-1
Power Measured @2,000 rpm
Net Power Gear 4-6149 hp
Torque Measured @1,450 rpm
Net Power Gears 7-8163 hp
AspirationTurbocharged
Torque694.1 lb-ft
Gross Power Gear 1-3136 hp
Gross Power Gear 4-6151 hp
Gross Power Gear 7-8165 hp
Net Power Gear 1-3134 hp
Engine MakeKOMATSU
Bore4.3 in
Stroke4.9 in
Operational
Std Operation Weight - Total35,175 lb
Fuel Capacity109.9 gal
Tire Size17.5R25
Std Operation Weight - Front Axle9,645 lb
Std Operation Weight - Rear Axle25,530 lb
Hydraulic System Fluid Capacity18.3 gal
Cooling System Fluid Capacity7.8 gal
Transmission Fluid Capacity11.9 gal
Circle Gearbox Fluid Capacity1.9 gal
Tandem Case Fluid Capacity (Each)15.1 gal
Operating Voltage24 V
Alternator Supplied Amperage60 amps
Rear Diff/Final Drive Fluid Capacity4.5 gal
Steering
Articulation Angle25 degrees
Turning Radius24.3 ft
Transmission and speeds
Number Of Gears - Forward8
Max Speed - Forward27.5 mph
Max Speed - Reverse25 mph
Transmission TypeFull power shift transmission
Number Of Gears - Reverse4
Front Axle
Ground Clearance2.1 ft
Wheel Lean16 degrees
Oscillation - Total32 degrees
Moldboard
Moldboard Width14.2 ft
Moldboard Height25.4 in
Moldboard Thickness0.8 in
Max Depth Of Cut24.3 in
Side Shift Left44.3 in
Side Shift Right44.3 in
Hydraulic System
Pump TypeLoad-sensing closed center hydraulics
Pump Flow52.9 gpm
Relief Valve Pressure435.2 psi
Circle
Max Reach Outside Tires - Left98.5 in
Max Reach Outside Tires - Right98.5 in
Max Lift Above Ground18.9 in
Diameter60.3 in
Rotation360 degrees
Shift Left23.3 in
Shift Right23.3 in
Blade Tip Angle - Front40 degrees
Blade Tip Angle - Rear5 degrees

Source

Compare Komatsu GD555-3, GD655-3, GD675-3, GD675-5
Dimensions and weight
SpecificationGD555-3GD655-3GD675-3GD675-5
Overall Length30.81 ft33.75 ft32.37 ft34.7 ft
Width Over Tires8.29 ft8.33 ft8.37 ft8.63 ft
Wheelbase19.2 ft19.93 ft19.92 ft21.26 ft
Tandem Axle Wheelbase5 ft5 ft5.04 ft5.01 ft
Height To Top Of Isomount Cab10.18 ft10.25 ft10.24 ft10.5 ft
Engine
SpecificationGD555-3GD655-3GD675-3GD675-5
Number Of Cylinders6666
Net Power Gear 4-6160 hp200 hp199.9 hp149 hp
Engine ModelSAA6D102E-2SAA6D114E-3SAA6D114E-3SAA6D107E-1
Power Measured @2,000 rpm1,900 rpm1,900 rpm2,000 rpm
Torque Measured @1,500 rpm1,400 rpm1,400 rpm1,450 rpm
Net Power Gears 7-8160 hp200 hp199.9 hp163 hp
AspirationTurbocharged and aftercooledTurbocharged and air-to-air aftercooledTurbocharged and air-to-air aftercooledTurbocharged
Operational
SpecificationGD555-3GD655-3GD675-3GD675-5
Std Operation Weight - Front Axle8,819 lb9,039 lb9,480 lb9,645 lb
Hydraulic System Fluid Capacity22.5 gal26.4 gal11.9 gal18.3 gal
Std Operation Weight - Rear Axle22,135 lb24,912 lb25,375 lb25,530 lb
Std Operation Weight - Total30,953 lb33,951 lb34,855 lb35,175 lb
Fuel Capacity89.9 gal89.9 gal89.9 gal109.9 gal
Cooling System Fluid Capacity11.1 gal10.4 gal10.5 gal7.8 gal
Transmission Fluid Capacity11.9 gal11.9 gal11.9 gal11.9 gal
Circle Gearbox Fluid Capacity1.5 gal1.3 gal1.4 gal1.9 gal
Tandem Case Fluid Capacity (Each)21.9 gal21.9 gal22 gal15.1 gal
Tire SizeLow pressure, tubeless, 14.00 X 24, 12 ply rating - G2low pressure, tubeless, 17.5R25low pressure, tubeless, 17.5R2517.5R25
Operating Voltage24 V24 V24 V24 V
Alternator Supplied Amperage90 amps90 amps90 amps60 amps
Steering
SpecificationGD555-3GD655-3GD675-3GD675-5
Articulation Angle23 degrees23 degrees23 degrees25 degrees
Turning Radius22.4 ft22.7 ft2 ft24.3 ft
Transmission and speeds
SpecificationGD555-3GD655-3GD675-3GD675-5
Transmission TypeFull power shift transmissionFull power shift transmissionFull power shift transmissionFull power shift transmission
Number Of Gears - Forward8888
Number Of Gears - Reverse4444
Max Speed - Forward26.7 mph26.2 mph26.3 mph27.5 mph
Max Speed - Reverse24.3 mph23.9 mph23.8 mph25 mph
Front Axle
SpecificationGD555-3GD655-3GD675-3GD675-5
Wheel Lean20 degrees20 degrees20 degrees16 degrees
Oscillation - Total32 degrees32 degrees32 degrees32 degrees
Ground Clearance2 ft24.8 ft2.7 ft2.1 ft
Moldboard
SpecificationGD555-3GD655-3GD675-3GD675-5
Moldboard Width12 ft12 ft12 ft14.2 ft
Moldboard Height26 in26 in26 in25.4 in
Moldboard Thickness0.9 in0.9 in1 in0.8 in
Max Depth Of Cut32.9 in32.1 in32.1 in24.3 in
Side Shift Left32.3 in32.3 in32.3 in44.3 in
Side Shift Right32.3 in32.3 in32.3 in44.3 in
Hydraulic System
SpecificationGD555-3GD655-3GD675-3GD675-5
Pump TypeClosed Center Load Sensing System (CLSS) hydraulicsLoad-sensing closed center hydraulics with variable displacement piston pumpload-sensing closed center hydraulicsLoad-sensing closed center hydraulics
Pump Flow54 gpm51 gpm51 gpm52.9 gpm
Relief Valve Pressure3,000 psi3,000 psi3,000 psi435.2 psi
Circle
SpecificationGD555-3GD655-3GD675-3GD675-5
Diameter60.2 in60.2 in60.3 in60.3 in
Rotation360 degrees360 degrees360 degrees360 degrees
Shift Left24.5 in24.2 in24.7 in23.3 in
Shift Right24.5 in24.2 in24.7 in23.3 in
Max Lift Above Ground19.1 in19.9 in19.9 in18.9 in
Blade Tip Angle - Front40 degrees40 degrees40 degrees40 degrees
Blade Tip Angle - Rear5 degrees5 degrees5 degrees5 degrees

More in Komatsu: GD705R-2, GD600R-2–GD655R-2, GD705A-4.