Machine models

Komatsu GD200A-1 and GD300A-1 specifications

Entries in this reference
Listing-entry count
2

Short answer

Komatsu GD200A-1 and GD300A-1: motor graders.

Selected configuration figures
Configuration	Documented field and quantity
GD200A-1	Net Power Gear 5-6 65 hp Std Operation Weight - Front Axle 3,076 lb
GD300A-1	Net Power Gear 5-6 75 hp Std Operation Weight - Front Axle 4,961 lb

GD200A-1 and GD300A-1 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Komatsu	GD200A-1 and GD300A-1	2	GD200A-1 and GD300A-1

Specification	GD300A-1
Width Over Tires	6.71 ft
Tandem Axle Wheelbase	3.93 ft

Operational
Specification	GD200A-1	GD300A-1
Std Operation Weight - Front Axle	3,076 lb	4,961 lb
Std Operation Weight - Rear Axle	8,168 lb	11,574 lb
Std Operation Weight - Total	11,244 lb	16,535 lb
Tire Size	front 7.50-20-10PR, rear 42x17-20-10PR	front 9.00-20-10PR, rear 10.00-20-10PR

Steering
Specification	GD200A-1	GD300A-1
Articulation Angle	30 degrees	30 degrees
Turning Radius	14.8 ft	18.1 ft

Specification	GD300A-1
Transmission Type	constant mesh and synchromesh combined

Front Axle
Specification	GD200A-1	GD300A-1
Oscillation - Total	26 degrees	26 degrees
Ground Clearance	1.5 ft	1.4 ft

Specification	GD300A-1
Wheel Lean	19 degrees

Circle
Specification	GD200A-1	GD300A-1
Max Reach Outside Tires - Left	22.9 in	45.3 in
Max Reach Outside Tires - Right	19.7 in	43.4 in
Max Lift Above Ground	10.7 in	13 in

Variants — Source comparison annotation
Source guide	Differing-field count reported
GD200A-1 and GD300A-1	29

Ratios
Figure	GD200A-1	GD300A-1
Engine horsepower per 1,000 lb of weight	5.8	4.5

Reference directory classification
Equipment group	motor grader

GD200A-1 and GD300A-1: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	motor grader	Komatsu and the GD300A line that the GD300A-1 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 instead	1

GD200A-1 and GD300A-1: dated market and recall observations — Dated listing search
Date	Listing index	Equipment class	Names queried	Result
2026-09-24	MachineryTrader (machinerytrader.com)	motor grader	GD200A-1, GD300A-1	No matching offers in this snapshot

Dated CPSC search
Date	Database	Names queried	Result
2026-09-24	U.S. Consumer Product Safety Commission	Komatsu; GD200A-1, GD300A-1	No matching recall in the stated search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Komatsu GD200A-1 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Komatsu GD300A-1 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Komatsu GD200A-1 and GD300A-1 — Heavy Equipment Forums. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Komatsu — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Komatsu GD200A-1 and GD300A-1: Configuration records

GD200A-1

Specification	Source figure
Dimensions and weight
Overall Length	18.12 ft
Wheelbase	11.82 ft
Rear Ground Clearance	0.94 ft
Front Ground Clearance	1.58 ft
Blade Base	4.47 ft
Height To Top Of Isomount Cab	8.98 ft
Engine
Engine Model	4D105-5
Net Power Gear 5-6	65 hp
Max Power	65 hp
Net Torque Gears 5-6	174 lb-ft
Displacement	264 cu in
Operational
Std Operation Weight - Front Axle	3,076 lb
Std Operation Weight - Rear Axle	8,168 lb
Std Operation Weight - Total	11,244 lb
Tire Size	front 7.50-20-10PR, rear 42x17-20-10PR
Steering
Articulation Angle	30 degrees
Turning Radius	14.8 ft
Transmission and speeds
Number Of Gears - Forward	5
Number Of Gears - Reverse	5
Max Speed - Forward	19.4 mph
Max Speed - Reverse	17.9 mph
Front Axle
Oscillation - Total	26 degrees
Ground Clearance	1.5 ft
Moldboard
Moldboard Width	7.3 ft
Moldboard Height	18.9 in
Moldboard Thickness	0.4 in
Max Depth Of Cut	8.3 in
Circle
Max Reach Outside Tires - Left	22.9 in
Max Reach Outside Tires - Right	19.7 in
Max Lift Above Ground	10.7 in

GD300A-1

Specification	Source figure
Dimensions and weight
Overall Length	21.99 ft
Wheelbase	16.11 ft
Rear Ground Clearance	1.12 ft
Front Ground Clearance	1.4 ft
Blade Base	7.11 ft
Height To Top Of Isomount Cab	10.27 ft
Width Over Tires	6.71 ft
Tandem Axle Wheelbase	3.93 ft
Engine
Engine Model	4D105-5
Net Power Gear 5-6	75 hp
Max Power	75 hp
Net Torque Gears 5-6	194 lb-ft
Displacement	264 cu in
Operational
Std Operation Weight - Front Axle	4,961 lb
Std Operation Weight - Rear Axle	11,574 lb
Std Operation Weight - Total	16,535 lb
Tire Size	front 9.00-20-10PR, rear 10.00-20-10PR
Steering
Articulation Angle	30 degrees
Turning Radius	18.1 ft
Transmission and speeds
Number Of Gears - Forward	5
Number Of Gears - Reverse	4
Max Speed - Forward	18.9 mph
Max Speed - Reverse	19.3 mph
Transmission Type	constant mesh and synchromesh combined
Front Axle
Oscillation - Total	26 degrees
Ground Clearance	1.4 ft
Wheel Lean	19 degrees
Moldboard
Moldboard Width	10.2 ft
Moldboard Height	22.9 in
Moldboard Thickness	0.7 in
Max Depth Of Cut	10.7 in
Circle
Max Reach Outside Tires - Left	45.3 in
Max Reach Outside Tires - Right	43.4 in
Max Lift Above Ground	13 in

Compare Komatsu GD200A-1, GD300A-1

Operational
Specification	GD200A-1	GD300A-1
Std Operation Weight - Front Axle	3,076 lb	4,961 lb
Std Operation Weight - Rear Axle	8,168 lb	11,574 lb
Std Operation Weight - Total	11,244 lb	16,535 lb
Tire Size	front 7.50-20-10PR, rear 42x17-20-10PR	front 9.00-20-10PR, rear 10.00-20-10PR

Steering
Specification	GD200A-1	GD300A-1
Articulation Angle	30 degrees	30 degrees
Turning Radius	14.8 ft	18.1 ft

Front Axle
Specification	GD200A-1	GD300A-1
Oscillation - Total	26 degrees	26 degrees
Ground Clearance	1.5 ft	1.4 ft

Circle
Specification	GD200A-1	GD300A-1
Max Reach Outside Tires - Left	22.9 in	45.3 in
Max Reach Outside Tires - Right	19.7 in	43.4 in
Max Lift Above Ground	10.7 in	13 in