Machine models

Komatsu D455A-1, D475A-2, and D475A-3 specifications

Entries in this reference
Listing-entry count
3

Short answer

Komatsu D455A-1, D475A-2, and D475A-3: crawler dozers.

Selected configuration figures
Configuration	Documented field and quantity
D455A-1	Gross Power 620 hp Operating Weight 157,631 lb
D475A-2	Gross Power 781 hp Operating Weight 188,495 lb
D475A-3	Gross Power 872 hp Operating Weight 220,418 lb

D455A-1, D475A-2, and D475A-3 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Komatsu	D455A-1, D475A-2, and D475A-3	3	D455A-1, D475A-2, and D475A-3

Dimensions and weight
Specification	D455A-1	D475A-2	D475A-3
Length W/ Blade	36.52 ft	37.82 ft	37.93 ft
Width Over Tracks	11.42 ft	11.96 ft	11.82 ft
Height To Top Of Cab	14.54 ft	14.95 ft	15 ft
Length Of Track On Ground	12.83 ft	13.74 ft	14.33 ft

Specification	D455A-1	D475A-2
Ground Clearance	1.78 ft	2.15 ft
Length W/O Blade	20.4 ft	21.07 ft

Undercarriage
Specification	D455A-1	D475A-2	D475A-3
Track Gauge	8.7 ft	9.09 ft	9.09 ft
Standard Shoe Size	29.93 in	27.96 in	27.96 in
Number Of Shoes Per Side	37	39	40
Number Of Carrier Rollers Per Side	2	2	2
Number Of Track Rollers Per Side	7	8	7

Specification	D455A-1	D475A-3
Ground Pressure	13.94 psi	22.9 psi

Specification	D455A-1	D475A-2
Track Pitch	12.5 in	12.5 in

Specification	D475A-3
Ground Contact Area	9,607 in2

Engine
Specification	D455A-1	D475A-2	D475A-3
Number Of Cylinders	12	12	12
Engine Model	VTA1710-C800	SA12V140	SDA12V140
Gross Power	620 hp	781 hp	872 hp
Power Measured @	2,000 rpm	2,200 rpm	2,000 rpm
Displacement	1,710 cu in	1,860 cu in	1,860 cu in

Specification	D455A-1	D475A-3
Aspiration	turbocharged	Turbocharged

Operational
Specification	D455A-1	D475A-2	D475A-3
Operating Weight	157,631 lb	188,495 lb	220,418 lb

Specification	D455A-1	D475A-3
Fuel Capacity	338.2 gal	441.2 gal
Cooling System Fluid Capacity	52.9 gal	78 gal

Specification	D475A-3
Engine Oil Capacity	32 gal
Powertrain Fluid Capacity	55.5 gal
Final Drives Fluid Capacity	19.9 gal

Transmission and speeds
Specification	D455A-1	D475A-2	D475A-3
Transmission Type	TF	TF	TF
Number Of Forward Gears	4	3	3
Number Of Reverse Gears	4	3	3

Specification	D455A-1	D475A-3
Max Speed - Forward	9.1 mph	7.3 mph
Max Speed - Reverse	9 mph	9 mph

Standard Blade
Specification	D455A-1	D475A-2	D475A-3
Blade width	15.8 ft	17.3 ft	17.3 ft
Blade height	84.1 in	102.8 in	102.8 in

Specification	D455A-1	D475A-3
Capacity	34.2 yd3	33.5 yd3
Cutting Depth	31.5 in	31.5 in

Hydraulic System
Specification	D475A-3
Pump Type	gear type
Relief Valve Pressure	2,988 psi
Pump Flow Capacity	67.4 gpm

Variants — Source comparison annotation
Source guide	Differing-field count reported
D455A-1, D475A-2, and D475A-3	35

Ratios
Figure	D455A-1	D475A-2	D475A-3
Engine horsepower per 1,000 lb of weight	3.9	4.1	4.0

Figure	D475A-3
Pump flow per engine horsepower	0.08 gpm

Figure	D455A-1	D475A-3
Fuel tank per engine horsepower	0.55 gal	0.51 gal

D455A-1, D475A-2, and D475A-3: owner reports

Sources: 3 forum discussions about the Komatsu D475A-3 dozers; heavyequipmentforums.com.

Komatsu: Blade drop, application and cost of ownership.

D455A-1, D475A-2, and D475A-3: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	crawler dozer	Komatsu and the D475A line that the D455A-1, D475A-2, D475A-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 instead	4

1 16th Scale Radio Controlled Komatsu D455a 1 (Heavy Equipment Forums, 2020-10-18)
Caterpillar D11t And A Komatsu D475a 5 (Heavy Equipment Forums, 2015-12-31)
D475a 3 Komatsu (Heavy Equipment Forums, 2015-12-28)

Used market for the D455A-1, D475A-2, and D475A-3 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Komatsu crawler dozer	8

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
D455A-1	1	Not stated	$50,000	$50,000	$50,000	None shown
D475A-2	2	1992 to 1996	$87,963	$135,000	$111,482	11,000
D475A-3	5	2001 to 2006	$172,000	$200,000	$195,000	2,728

D455A-1, D475A-2, and D475A-3: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Komatsu together with the crawler dozer D455A-1, D475A-2, D475A-3	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Komatsu D455A-1 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Komatsu D475A-2 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Komatsu D475A-3 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Komatsu D455A-1, D475A-2, and D475A-3 — Heavy Equipment Forums. Observed 2026-09-24.
Forum threads	Forum threads: Forum threads read for the Komatsu D475A-3 dozers — Heavyequipmentforums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Komatsu D455A-1 — MachineryTrader. 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.

Recorded observations — Forum-title snapshot
Observation field	Recorded value
Title count	4
Forum indexes	Heavy Equipment Forums
Search wording	the D455A-1, D475A-2, and D475A-3 crawler dozer
Latest title quoted by the reference	1 16th Scale Radio Controlled Komatsu D455a 1

Komatsu D455A-1, D475A-2, and D475A-3: Configuration records

D455A-1

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	14.54 ft
Length Of Track On Ground	12.83 ft
Ground Clearance	1.78 ft
Length W/ Blade	36.52 ft
Width Over Tracks	11.42 ft
Length W/O Blade	20.4 ft
Undercarriage
Number Of Shoes Per Side	37
Number Of Track Rollers Per Side	7
Ground Pressure	13.94 psi
Number Of Carrier Rollers Per Side	2
Standard Shoe Size	29.93 in
Track Pitch	12.5 in
Engine
Number Of Cylinders	12
Engine Model	VTA1710-C800
Power Measured @	2,000 rpm
Displacement	1,710 cu in
Aspiration	turbocharged
Gross Power	620 hp
Operational
Fuel Capacity	338.2 gal
Cooling System Fluid Capacity	52.9 gal
Transmission and speeds
Transmission Type	TF
Number Of Forward Gears	4
Number Of Reverse Gears	4
Max Speed - Forward	9.1 mph
Max Speed - Reverse	9 mph
Standard Blade
Blade width	15.8 ft
Capacity	34.2 yd3
Cutting Depth	31.5 in
Additional specifications
Track Gauge	8.7 ft
Operating Weight	157,631 lb
Blade height	84.1 in

Source

D475A-2

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	14.95 ft
Length Of Track On Ground	13.74 ft
Ground Clearance	2.15 ft
Length W/ Blade	37.82 ft
Width Over Tracks	11.96 ft
Length W/O Blade	21.07 ft
Undercarriage
Number Of Shoes Per Side	39
Number Of Track Rollers Per Side	8
Number Of Carrier Rollers Per Side	2
Standard Shoe Size	27.96 in
Track Pitch	12.5 in
Engine
Number Of Cylinders	12
Engine Model	SA12V140
Power Measured @	2,200 rpm
Displacement	1,860 cu in
Gross Power	781 hp
Transmission and speeds
Transmission Type	TF
Number Of Forward Gears	3
Number Of Reverse Gears	3
Standard Blade
Blade width	17.3 ft
Additional specifications
Track Gauge	9.09 ft
Operating Weight	188,495 lb
Blade height	102.8 in

Source

D475A-3

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	15 ft
Length Of Track On Ground	14.33 ft
Length W/ Blade	37.93 ft
Width Over Tracks	11.82 ft
Undercarriage
Number Of Shoes Per Side	40
Number Of Track Rollers Per Side	7
Ground Contact Area	9,607 in2
Ground Pressure	22.9 psi
Number Of Carrier Rollers Per Side	2
Standard Shoe Size	27.96 in
Engine
Number Of Cylinders	12
Engine Model	SDA12V140
Power Measured @	2,000 rpm
Displacement	1,860 cu in
Aspiration	Turbocharged
Gross Power	872 hp
Operational
Fuel Capacity	441.2 gal
Cooling System Fluid Capacity	78 gal
Engine Oil Capacity	32 gal
Powertrain Fluid Capacity	55.5 gal
Final Drives Fluid Capacity	19.9 gal
Transmission and speeds
Transmission Type	TF
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	7.3 mph
Max Speed - Reverse	9 mph
Hydraulic System
Pump Type	gear type
Relief Valve Pressure	2,988 psi
Pump Flow Capacity	67.4 gpm
Standard Blade
Blade width	17.3 ft
Capacity	33.5 yd3
Cutting Depth	31.5 in
Additional specifications
Track Gauge	9.09 ft
Operating Weight	220,418 lb
Blade height	102.8 in

Source

Compare Komatsu D455A-1, D475A-2, D475A-3

Dimensions and weight
Specification	D455A-1	D475A-2	D475A-3
Length W/ Blade	36.52 ft	37.82 ft	37.93 ft
Width Over Tracks	11.42 ft	11.96 ft	11.82 ft
Height To Top Of Cab	14.54 ft	14.95 ft	15 ft
Length Of Track On Ground	12.83 ft	13.74 ft	14.33 ft

Undercarriage
Specification	D455A-1	D475A-2	D475A-3
Track Gauge	8.7 ft	9.09 ft	9.09 ft
Standard Shoe Size	29.93 in	27.96 in	27.96 in
Number Of Shoes Per Side	37	39	40
Number Of Carrier Rollers Per Side	2	2	2
Number Of Track Rollers Per Side	7	8	7

Engine
Specification	D455A-1	D475A-2	D475A-3
Number Of Cylinders	12	12	12
Engine Model	VTA1710-C800	SA12V140	SDA12V140
Gross Power	620 hp	781 hp	872 hp
Power Measured @	2,000 rpm	2,200 rpm	2,000 rpm
Displacement	1,710 cu in	1,860 cu in	1,860 cu in

Operational
Specification	D455A-1	D475A-2	D475A-3
Operating Weight	157,631 lb	188,495 lb	220,418 lb

Transmission and speeds
Specification	D455A-1	D475A-2	D475A-3
Transmission Type	TF	TF	TF
Number Of Forward Gears	4	3	3
Number Of Reverse Gears	4	3	3

Standard Blade
Specification	D455A-1	D475A-2	D475A-3
Blade width	15.8 ft	17.3 ft	17.3 ft
Blade height	84.1 in	102.8 in	102.8 in

More in Komatsu: D475ASD-5E0: Superblade pitch/fan ratings/weight, D375A-3/D375A-5, D475A-5SD/D575A-3SD configurations.

Komatsu D455A-1, D475A-2, and D475A-3 specifications

D455A-1, D475A-2, and D475A-3: owner reports

Sources for this page

Komatsu D455A-1, D475A-2, and D475A-3: Configuration records