Machine models

Komatsu D275A-2 to D375A-2 specifications

Entries in this reference
Listing-entry count
6

Short answer

Komatsu D275A-2 to D375A-2: crawler dozers.

Selected configuration figures
Configuration	Documented field and quantity
D275A-2	Gross Power 410 hp Operating Weight 110,231 lb
D355A-1	Gross Power 410 hp Operating Weight 97,907 lb
D355A-3	Gross Power 410 hp Operating Weight 105,557 lb
D355A-5	Gross Power 410 hp Width Over Tracks 9.95 ft
D375A-1	Gross Power 515 hp Operating Weight 124,098 lb
D375A-2	Gross Power 532 hp Operating Weight 150,355 lb

D275A-2 to D375A-2 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Komatsu	D275A-2 to D375A-2	6	D275A-2, D355A-1, D355A-3, D355A-5, D375A-1, and D375A-2

Dimensions and weight
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Length W/ Blade	29.71 ft	28.55 ft	30.19 ft	30.19 ft	32.27 ft	32.94 ft
Width Over Tracks	9.63 ft	9.91 ft	9.95 ft	9.95 ft	10.77 ft	15.41 ft
Height To Top Of Cab	12.98 ft	12.41 ft	13.54 ft	13.54 ft	14.21 ft	13.88 ft
Length Of Track On Ground	11.32 ft	11.04 ft	11.03 ft	11.03 ft	12.24 ft	12.6 ft
Ground Clearance	1.67 ft	1.86 ft	1.89 ft	1.89 ft	2.01 ft	2.04 ft
Length W/O Blade	17.89 ft	18.38 ft	18.57 ft	18.57 ft	20.21 ft	19.1 ft

Undercarriage
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Standard Shoe Size	24.02 in	24.02 in	24.02 in	24.02 in	24.02 in	24.02 in
Track Pitch	10.24 in	10.25 in	10.25 in	10.25 in	10.25 in	11.03 in
Number Of Carrier Rollers Per Side	2	2	2	2	2	2
Number Of Shoes Per Side	39	39	39	39	42	40
Number Of Track Rollers Per Side	8	7	7	7	8	7

Specification	D275A-2	D355A-1	D355A-3
Ground Pressure	12.52 psi	12.52 psi	12.66 psi

Specification	D275A-2
Ground Contact Area	6,524 in2

Specification	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Track Gauge	7.42 ft	7.42 ft	7.42 ft	8.21 ft	8.21 ft

Engine
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Engine Model	S6D170-4	SA6D155-4A	SA6D155-4A	SA6D155-4	SA6D170B	SA6D170E-2
Gross Power	410 hp	410 hp	410 hp	410 hp	515 hp	532 hp
Power Measured @	1,800 rpm	2,000 rpm	2,000 rpm	2,000 rpm	1,800 rpm	1,800 rpm
Displacement	1,413 cu in	1,175 cu in	1,175 cu in	1,175 cu in	1,413 cu in	1,413 cu in

Specification	D275A-2	D355A-1	D355A-3
Aspiration	Turbocharged,and emission certified diesel	turbocharged	turbocharged

Specification	D355A-3	D355A-5	D375A-1	D375A-2
Number Of Cylinders	6	6	6	6

Operational
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Operating Weight	110,231 lb	97,907 lb	105,557 lb	9,806 lb	124,098 lb	150,355 lb

Specification	D275A-2	D355A-3
Fuel Capacity	222 gal	198.2 gal

Specification	D275A-2	D355A-1	D355A-3
Cooling System Fluid Capacity	36 gal	45 gal	47.6 gal

Specification	D275A-2
Engine Oil Capacity	13.5 gal
Powertrain Fluid Capacity	31.8 gal
Final Drives Fluid Capacity	11.4 gal
Operating Voltage	24 V
Alternator Supplied Amperage	50 amps

Transmission and speeds
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Transmission Type	TF	TF	TF	TF	TF	TF
Number Of Forward Gears	3	4	4	4	3	3
Number Of Reverse Gears	3	4	4	4	3	3

Specification	D275A-2	D355A-1	D355A-3
Max Speed - Forward	7.4 mph	7.9 mph	7.9 mph
Max Speed - Reverse	9.3 mph	7.9 mph	7.9 mph

Hydraulic System
Specification	D275A-2
Pump Type	gear type
Relief Valve Pressure	2,987 psi
Pump Flow Capacity	67.4 gpm

Standard Blade
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Blade width	14.2 ft	13.9 ft	14.2 ft	14.2 ft	15.1 ft	15.5 ft
Blade height	75.2 in	72.5 in	73.9 in	73.9 in	82.5 in	89.2 in

Specification	D275A-2	D355A-1	D355A-3
Capacity	16.8 yd3	19.9 yd3	19.9 yd3
Cutting Depth	26 in	28.8 in	27.6 in

Variants — Source comparison annotation
Source guide	Differing-field count reported
D275A-2 to D375A-2	37

Ratios
Figure	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Engine horsepower per 1,000 lb of weight	3.7	4.2	3.9	41.8	4.1	3.5

Figure	D275A-2
Pump flow per engine horsepower	0.16 gpm

Figure	D275A-2	D355A-3
Fuel tank per engine horsepower	0.54 gal	0.48 gal

Reference directory classification
Equipment group	crawler dozer

D275A-2 to D375A-2: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	crawler dozer	Komatsu and the D275, D355A, D375A line that the D275A-2, D355A-1, D355A-3, D355A-5 belongs to (no title names the exact model)	12

Topics named by those titles
Title topic	Titles
transmission and drive	2

Topic in the title	Threads	Share of matching threads
transmission and drive	2	17%

Searching For A Komatsu Dozer D375a 8 2023 Or Newer (Heavy Equipment Forums, 2025-12-04)
Komatsu D355 A 5 Rails On D9h (Heavy Equipment Forums, 2017-06-15)
D375a 5 Komatsu Zsotrac Training Course (Heavy Equipment Forums, 2013-10-08)
Komatsu D275 5 (Heavy Equipment Forums, 2013-08-01)

Used market for the D275A-2 to D375A-2 — 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
D275A-2	3	1993 to 2008	$49,900	$49,900	$49,900	None shown
D355A-3	1	1978	None shown	None shown	None shown	None shown
D375A-2	4	1993 to 2006	$75,000	$135,000	$75,000	16,375

D275A-2 to D375A-2: 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 D275A-2, D355A-1, D355A-3, D355A-5	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Komatsu D275A-2 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Komatsu D355A-1 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Komatsu D355A-3 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Komatsu D355A-5 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Komatsu D375A-1 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Komatsu D375A-2 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Komatsu D275A-2 to D375A-2 — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Komatsu D275A-2 — 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.

Komatsu D275A-2 to D375A-2: Configuration records

D275A-2

Specification	Source figure
Dimensions and weight
Width Over Tracks	9.63 ft
Height To Top Of Cab	12.98 ft
Length W/O Blade	17.89 ft
Length W/ Blade	29.71 ft
Ground Clearance	1.67 ft
Undercarriage
Standard Shoe Size	24.02 in
Number Of Track Rollers Per Side	8
Ground Pressure	12.52 psi
Number Of Carrier Rollers Per Side	2
Number Of Shoes Per Side	39
Ground Contact Area	6,524 in2
Track Pitch	10.24 in
Engine
Engine Model	S6D170-4
Gross Power	410 hp
Displacement	1,413 cu in
Aspiration	Turbocharged,and emission certified diesel
Power Measured @	1,800 rpm
Operational
Operating Weight	110,231 lb
Fuel Capacity	222 gal
Cooling System Fluid Capacity	36 gal
Engine Oil Capacity	13.5 gal
Powertrain Fluid Capacity	31.8 gal
Final Drives Fluid Capacity	11.4 gal
Operating Voltage	24 V
Alternator Supplied Amperage	50 amps
Transmission and speeds
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	7.4 mph
Max Speed - Reverse	9.3 mph
Standard Blade
Blade width	14.2 ft
Capacity	16.8 yd3
Cutting Depth	26 in
Hydraulic System
Pump Type	gear type
Relief Valve Pressure	2,987 psi
Pump Flow Capacity	67.4 gpm
Additional specifications
Length Of Track On Ground	11.32 ft
Transmission Type	TF
Blade height	75.2 in

Source

D355A-1

Specification	Source figure
Dimensions and weight
Width Over Tracks	9.91 ft
Height To Top Of Cab	12.41 ft
Length W/O Blade	18.38 ft
Length W/ Blade	28.55 ft
Ground Clearance	1.86 ft
Undercarriage
Standard Shoe Size	24.02 in
Number Of Track Rollers Per Side	7
Ground Pressure	12.52 psi
Number Of Carrier Rollers Per Side	2
Number Of Shoes Per Side	39
Track Pitch	10.25 in
Engine
Engine Model	SA6D155-4A
Gross Power	410 hp
Displacement	1,175 cu in
Aspiration	turbocharged
Power Measured @	2,000 rpm
Operational
Operating Weight	97,907 lb
Cooling System Fluid Capacity	45 gal
Transmission and speeds
Number Of Forward Gears	4
Number Of Reverse Gears	4
Max Speed - Forward	7.9 mph
Max Speed - Reverse	7.9 mph
Standard Blade
Blade width	13.9 ft
Capacity	19.9 yd3
Cutting Depth	28.8 in
Additional specifications
Length Of Track On Ground	11.04 ft
Track Gauge	7.42 ft
Transmission Type	TF
Blade height	72.5 in

Source

D355A-3

Specification	Source figure
Dimensions and weight
Width Over Tracks	9.95 ft
Height To Top Of Cab	13.54 ft
Length W/O Blade	18.57 ft
Length W/ Blade	30.19 ft
Ground Clearance	1.89 ft
Undercarriage
Standard Shoe Size	24.02 in
Number Of Track Rollers Per Side	7
Ground Pressure	12.66 psi
Number Of Carrier Rollers Per Side	2
Number Of Shoes Per Side	39
Track Pitch	10.25 in
Engine
Engine Model	SA6D155-4A
Gross Power	410 hp
Displacement	1,175 cu in
Aspiration	turbocharged
Number Of Cylinders	6
Power Measured @	2,000 rpm
Operational
Operating Weight	105,557 lb
Fuel Capacity	198.2 gal
Cooling System Fluid Capacity	47.6 gal
Transmission and speeds
Number Of Forward Gears	4
Number Of Reverse Gears	4
Max Speed - Forward	7.9 mph
Max Speed - Reverse	7.9 mph
Standard Blade
Blade width	14.2 ft
Capacity	19.9 yd3
Cutting Depth	27.6 in
Additional specifications
Length Of Track On Ground	11.03 ft
Track Gauge	7.42 ft
Transmission Type	TF
Blade height	73.9 in

Source

D355A-5

Specification	Source figure
Dimensions and weight
Width Over Tracks	9.95 ft
Height To Top Of Cab	13.54 ft
Length W/O Blade	18.57 ft
Length W/ Blade	30.19 ft
Ground Clearance	1.89 ft
Undercarriage
Standard Shoe Size	24.02 in
Number Of Track Rollers Per Side	7
Number Of Carrier Rollers Per Side	2
Number Of Shoes Per Side	39
Track Pitch	10.25 in
Engine
Engine Model	SA6D155-4
Gross Power	410 hp
Displacement	1,175 cu in
Number Of Cylinders	6
Power Measured @	2,000 rpm
Transmission and speeds
Number Of Forward Gears	4
Number Of Reverse Gears	4
Standard Blade
Blade width	14.2 ft
Additional specifications
Length Of Track On Ground	11.03 ft
Track Gauge	7.42 ft
Transmission Type	TF
Blade height	73.9 in

Source

D375A-1

Specification	Source figure
Dimensions and weight
Width Over Tracks	10.77 ft
Height To Top Of Cab	14.21 ft
Length W/O Blade	20.21 ft
Length W/ Blade	32.27 ft
Ground Clearance	2.01 ft
Undercarriage
Standard Shoe Size	24.02 in
Number Of Track Rollers Per Side	8
Number Of Carrier Rollers Per Side	2
Number Of Shoes Per Side	42
Track Pitch	10.25 in
Engine
Engine Model	SA6D170B
Gross Power	515 hp
Displacement	1,413 cu in
Number Of Cylinders	6
Power Measured @	1,800 rpm
Operational
Operating Weight	124,098 lb
Transmission and speeds
Number Of Forward Gears	3
Number Of Reverse Gears	3
Standard Blade
Blade width	15.1 ft
Additional specifications
Length Of Track On Ground	12.24 ft
Track Gauge	8.21 ft
Transmission Type	TF
Blade height	82.5 in

Source

D375A-2

Specification	Source figure
Dimensions and weight
Width Over Tracks	15.41 ft
Height To Top Of Cab	13.88 ft
Length W/O Blade	19.1 ft
Length W/ Blade	32.94 ft
Ground Clearance	2.04 ft
Undercarriage
Standard Shoe Size	24.02 in
Number Of Track Rollers Per Side	7
Number Of Carrier Rollers Per Side	2
Number Of Shoes Per Side	40
Track Pitch	11.03 in
Engine
Engine Model	SA6D170E-2
Gross Power	532 hp
Displacement	1,413 cu in
Number Of Cylinders	6
Power Measured @	1,800 rpm
Operational
Operating Weight	150,355 lb
Transmission and speeds
Number Of Forward Gears	3
Number Of Reverse Gears	3
Standard Blade
Blade width	15.5 ft
Additional specifications
Length Of Track On Ground	12.6 ft
Track Gauge	8.21 ft
Transmission Type	TF
Blade height	89.2 in

Source

Compare Komatsu D275A-2, D355A-1, D355A-3, D355A-5, D375A-1, D375A-2

Dimensions and weight
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Length W/ Blade	29.71 ft	28.55 ft	30.19 ft	30.19 ft	32.27 ft	32.94 ft
Width Over Tracks	9.63 ft	9.91 ft	9.95 ft	9.95 ft	10.77 ft	15.41 ft
Height To Top Of Cab	12.98 ft	12.41 ft	13.54 ft	13.54 ft	14.21 ft	13.88 ft
Length Of Track On Ground	11.32 ft	11.04 ft	11.03 ft	11.03 ft	12.24 ft	12.6 ft
Ground Clearance	1.67 ft	1.86 ft	1.89 ft	1.89 ft	2.01 ft	2.04 ft
Length W/O Blade	17.89 ft	18.38 ft	18.57 ft	18.57 ft	20.21 ft	19.1 ft

Undercarriage
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Standard Shoe Size	24.02 in	24.02 in	24.02 in	24.02 in	24.02 in	24.02 in
Track Pitch	10.24 in	10.25 in	10.25 in	10.25 in	10.25 in	11.03 in
Number Of Carrier Rollers Per Side	2	2	2	2	2	2
Number Of Shoes Per Side	39	39	39	39	42	40
Number Of Track Rollers Per Side	8	7	7	7	8	7

Engine
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Engine Model	S6D170-4	SA6D155-4A	SA6D155-4A	SA6D155-4	SA6D170B	SA6D170E-2
Gross Power	410 hp	410 hp	410 hp	410 hp	515 hp	532 hp
Power Measured @	1,800 rpm	2,000 rpm	2,000 rpm	2,000 rpm	1,800 rpm	1,800 rpm
Displacement	1,413 cu in	1,175 cu in	1,175 cu in	1,175 cu in	1,413 cu in	1,413 cu in

Transmission and speeds
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Transmission Type	TF	TF	TF	TF	TF	TF
Number Of Forward Gears	3	4	4	4	3	3
Number Of Reverse Gears	3	4	4	4	3	3

Standard Blade
Specification	D275A-2	D355A-1	D355A-3	D355A-5	D375A-1	D375A-2
Blade width	14.2 ft	13.9 ft	14.2 ft	14.2 ft	15.1 ft	15.5 ft
Blade height	75.2 in	72.5 in	73.9 in	73.9 in	82.5 in	89.2 in

More in Komatsu: D85A-21–D155A-2, D65EX-17–D275AX-5, D85EX/PX-15: engine editions/tracks/blade control.

Komatsu D275A-2 to D375A-2 specifications

Sources for this page

Komatsu D275A-2 to D375A-2: Configuration records