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Komatsu D65EX-17 to D275AX-5 specifications

Entries in this reference
Listing-entry count
5
Short answer

Komatsu D65EX-17 to D275AX-5: crawler dozers.

Selected configuration figures
ConfigurationDocumented field and quantity
D65EX-17
Net engine power — D65-17 manufacturer European brochure, ISO 9249
kW
153
hp
205
Engine model — D65-17 manufacturer brochure
Komatsu SAA6D114E-5
D65PX-17
Net engine power — D65-17 manufacturer European brochure, ISO 9249
kW
153
hp
205
Engine model — D65-17 manufacturer brochure
Komatsu SAA6D114E-5
D155AX-6
Gross Power
360 hp
Operating Weight
87,100 lb
D155AX-7
Gross Power
360 hp
Operating Weight
87,100 lb
D275AX-5
Gross Power
446 hp
Operating Weight
83,070 lb
D65EX-17 to D275AX-5 specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
KomatsuD65EX-17 to D275AX-55D65EX-17, D65PX-17, D155AX-6, D155AX-7, and D275AX-5
Undercarriage
SpecificationD65EX-17D65PX-17D155AX-6D155AX-7D275AX-5
Standard Shoe Size28 in28 in22 in28 in24 in
Ground Contact Area6.2 in26.2 in25,685 in26.2 in26,580 in2
Ground Pressure11.9 psi11.9 psi11.9 psi11.9 psi16.61 psi
Number Of Shoes Per Side4242424239
Number Of Track Rollers Per Side77777
SpecificationD65EX-17D65PX-17D155AX-7
Number Of Carrier Rollers Per Side222
SpecificationD155AX-6
Link TypeStandard
Engine
SpecificationD65EX-17D65PX-17D155AX-6D155AX-7D275AX-5
Number Of Cylinders66666
Engine ModelSAA6D140E-6SAA6D140E-6SAA6D140E-5SAA6D140E-6SDA6D140E-3
Gross Power360 hp360 hp360 hp360 hp446 hp
Net Power354 hp354 hp354 hp354 hp410 hp
Displacement15.3 cu in15.3 cu in930 cu in15.3 cu in930 cu in
SpecificationD65EX-17D65PX-17D155AX-6D155AX-7
Power Measured @1,900 rpm1,900 rpm1,900 rpm1,900 rpm
SpecificationD155AX-6D275AX-5
Aspirationturbocharged, air-to-air aftercooled, cooled EGRturbocharged, aftercooled
Operational
SpecificationD65EX-17D65PX-17D155AX-6D155AX-7D275AX-5
Operating Weight87,100 lb87,100 lb87,100 lb87,100 lb83,070 lb
Fuel Capacity165 gal165 gal165 gal165 gal222 gal
Cooling System Fluid Capacity27.3 gal27.3 gal21.7 gal27.3 gal34.3 gal
Engine Oil Capacity9.8 gal9.8 gal9.8 gal9.8 gal13.7 gal
Final Drives Fluid Capacity8.2 gal8.2 gal8.2 gal8.2 gal10.6 gal
SpecificationD65EX-17D65PX-17D155AX-7D275AX-5
Hydraulic Fluid Capacity24.2 gal24.2 gal24.2 gal34.3 gal
SpecificationD65EX-17D65PX-17D155AX-7
Powertrain Fluid Capacity23.8 gal23.8 gal23.8 gal
SpecificationD155AX-6
Blade Capacity12.3 yd3
Blade TypeSIGMA
Blade Length159.9 in
Blade Height72.9 in
Blade Cut Depth24.3 in
Transmission and speeds
SpecificationD65EX-17D65PX-17D155AX-6D155AX-7D275AX-5
Transmission TypeTORQFLOWTORQFLOWKomatsu TORQFLOW transmissionTORQFLOWKomatsu TORQFLOW transmission
Number Of Forward Gears33333
Number Of Reverse Gears33333
Max Speed - Forward7.2 mph7.2 mph7.2 mph7.2 mph7 mph
Max Speed - Reverse8.7 mph8.7 mph8.7 mph8.7 mph9.3 mph
Hydraulic System
SpecificationD65EX-17D65PX-17D155AX-6D155AX-7D275AX-5
Pump TypePistonPistondouble-acting, pistonPistondouble-acting, piston
SpecificationD65EX-17D65PX-17D155AX-7D275AX-5
Relief Valve Pressure3,980 psi3,980 psi3,980 psi3,980 psi
SpecificationD65EX-17D65PX-17D155AX-7
Pump Flow Capacity47.6 gpm47.6 gpm47.6 gpm
SpecificationD155AX-6
Hydraulic System TypeClosed-center Load Sensing System (CLSS)
Dimensions and weight
SpecificationD155AX-6D275AX-5
Height To Top Of Cab11.17 ft13.08 ft
Ground Clearance1.67 ft1.67 ft
SpecificationD155AX-6
Length Of Track On Ground10.75 ft
Track Gauge7.03 ft
Overall Length26.99 ft
SpecificationD275AX-5
Length W/ Blade30.39 ft
Width Over Tracks7.42 ft
Driveline
SpecificationD155AX-6
Maximum Speeds Fwd7.3 mph
Maximum Speeds Rev8.7 mph
Number Of Speeds - Forward3
Number Of Speeds - Reverse3
SteeringHydrostatic Steering System
Transmission TypePS
Standard Blade
SpecificationD155AX-6D275AX-5
Blade width13.4 ft14.1 ft
Blade height6.1 in6.5 in
Variants — Source comparison annotation
Source guideDiffering-field count reported
D65EX-17 to D275AX-546
Ratios
FigureD65EX-17D65PX-17D155AX-6D155AX-7D275AX-5
Engine horsepower per 1,000 lb of weight4.14.14.14.14.9
Fuel tank per engine horsepower0.47 gal0.47 gal0.47 gal0.47 gal0.54 gal
FigureD65EX-17D65PX-17D155AX-7
Pump flow per engine horsepower0.13 gpm0.13 gpm0.13 gpm

D65EX-17 to D275AX-5: owner reports

Sources: 3 forum discussions about the Komatsu D65 dozers (D65E, D65EX); heavyequipmentforums.com.Sources: 3 forum discussions about the Komatsu D155 dozers (D155A-1, D155AX-6); heavyequipmentforums.com.
D65EX-17 to D275AX-5: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumscrawler dozerKomatsu and the D65EX line that the D65EX-17, D65PX-17, D155AX-6, D155AX-7 belongs to (no title names the exact model)24
Topics named by those titles
Title topicTitles
transmission and drive3
overheating and cooling2
Topic in the titleThreadsShare of matching threads
transmission and drive313%
overheating and cooling28%
Used market for the D65EX-17 to D275AX-5 — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderKomatsu crawler dozer62
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
D65EX-17142012 to 2022$25,000$165,000$99,0008,001
D65PX-17192012 to 2017$11,386$212,710$89,0005,900
D155AX-6102006 to 2018$80,000$189,500$138,5007,440
D155AX-7182012 to 2018$74,750$538,331$215,2054,841
D275AX-512005None shownNone shownNone shownNone shown
D65EX-17 to D275AX-5: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionKomatsu together with the crawler dozer D65EX-17, D65PX-17, D155AX-6, D155AX-7No matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
Reference site
Reference site
Reference site
Reference site
Forum threads
Forum threads
Used-market listings
Federal agency data

Komatsu D65EX-17 to D275AX-5: Configuration records

D65EX-17
SpecificationSource figure
Specifications
Net engine power — D65-17 manufacturer European brochure, ISO 9249
kW
153
hp
205
Engine model — D65-17 manufacturer brochureKomatsu SAA6D114E-5

Source

D65PX-17
SpecificationSource figure
Specifications
Net engine power — D65-17 manufacturer European brochure, ISO 9249
kW
153
hp
205
Engine model — D65-17 manufacturer brochureKomatsu SAA6D114E-5

Source

D155AX-6
SpecificationSource figure
Dimensions and weight
Height To Top Of Cab11.17 ft
Ground Clearance1.67 ft
Overall Length26.99 ft
Undercarriage
Standard Shoe Size22 in
Number Of Track Rollers Per Side7
Ground Pressure11.9 psi
Number Of Shoes Per Side42
Ground Contact Area5,685 in2
Link TypeStandard
Engine
Engine ModelSAA6D140E-5
Gross Power360 hp
Displacement930 cu in
Aspirationturbocharged, air-to-air aftercooled, cooled EGR
Number Of Cylinders6
Power Measured @1,900 rpm
Net Power354 hp
Operational
Operating Weight87,100 lb
Fuel Capacity165 gal
Cooling System Fluid Capacity21.7 gal
Engine Oil Capacity9.8 gal
Final Drives Fluid Capacity8.2 gal
Blade Capacity12.3 yd3
Blade TypeSIGMA
Blade Length159.9 in
Blade Cut Depth24.3 in
Transmission and speeds
Number Of Forward Gears3
Number Of Reverse Gears3
Max Speed - Forward7.2 mph
Max Speed - Reverse8.7 mph
Standard Blade
Blade width13.4 ft
Hydraulic System
Pump Typedouble-acting, piston
Hydraulic System TypeClosed-center Load Sensing System (CLSS)
Driveline
Maximum Speeds Fwd7.3 mph
Maximum Speeds Rev8.7 mph
Number Of Speeds - Forward3
Number Of Speeds - Reverse3
SteeringHydrostatic Steering System
Additional specifications
Length Of Track On Ground10.75 ft
Track Gauge7.03 ft
Blade Height72.9 in
Transmission TypeKomatsu TORQFLOW transmission
Blade height6.1 in

Source

D155AX-7
SpecificationSource figure
Undercarriage
Standard Shoe Size28 in
Number Of Track Rollers Per Side7
Ground Pressure11.9 psi
Number Of Carrier Rollers Per Side2
Number Of Shoes Per Side42
Ground Contact Area6.2 in2
Engine
Engine ModelSAA6D140E-6
Gross Power360 hp
Displacement15.3 cu in
Number Of Cylinders6
Power Measured @1,900 rpm
Net Power354 hp
Operational
Operating Weight87,100 lb
Fuel Capacity165 gal
Cooling System Fluid Capacity27.3 gal
Engine Oil Capacity9.8 gal
Hydraulic Fluid Capacity24.2 gal
Powertrain Fluid Capacity23.8 gal
Final Drives Fluid Capacity8.2 gal
Transmission and speeds
Number Of Forward Gears3
Number Of Reverse Gears3
Max Speed - Forward7.2 mph
Max Speed - Reverse8.7 mph
Hydraulic System
Pump TypePiston
Relief Valve Pressure3,980 psi
Pump Flow Capacity47.6 gpm
Additional specifications
Transmission TypeTORQFLOW

Source

D275AX-5
SpecificationSource figure
Dimensions and weight
Width Over Tracks7.42 ft
Height To Top Of Cab13.08 ft
Length W/ Blade30.39 ft
Ground Clearance1.67 ft
Undercarriage
Standard Shoe Size24 in
Number Of Track Rollers Per Side7
Ground Pressure16.61 psi
Number Of Shoes Per Side39
Ground Contact Area6,580 in2
Engine
Engine ModelSDA6D140E-3
Gross Power446 hp
Displacement930 cu in
Aspirationturbocharged, aftercooled
Number Of Cylinders6
Net Power410 hp
Operational
Operating Weight83,070 lb
Fuel Capacity222 gal
Cooling System Fluid Capacity34.3 gal
Engine Oil Capacity13.7 gal
Hydraulic Fluid Capacity34.3 gal
Final Drives Fluid Capacity10.6 gal
Transmission and speeds
Number Of Forward Gears3
Number Of Reverse Gears3
Max Speed - Forward7 mph
Max Speed - Reverse9.3 mph
Standard Blade
Blade width14.1 ft
Hydraulic System
Pump Typedouble-acting, piston
Relief Valve Pressure3,980 psi
Additional specifications
Transmission TypeKomatsu TORQFLOW transmission
Blade height6.5 in

Source

More in Komatsu: D275A-2–D375A-2, D155S-1, D85A-21–D155A-2.