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Standard Features
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The new Tier 4 Final D155AX-8 dozer incorporates well proven Komatsu engine emissions technology that does not interfere with daily operation. Class leading engine horsepower, large capacity Sigmadozer blade and automatic lockup torque converter efficiently move massive amounts of material while using less fuel than prior model. The operator cab is loaded with features to help maintain operator comfort during the work day. D155AX-8 Walkaround


Model Year
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72,100 lb (632700 kg) tractor
89,300 lb (40500 kg) operating
Fuel Tank Capacity
165 U.S. gal (625 ltr)


Engine Make
Engine Model
Engine Type
Direct injection
Gross Horsepower
360 HP (268 kW)
Bore x Stroke
5.51 in x 6.50 in (140 mm x 165 mm)
930 in³ (15.24 ltr)

Standard Features

 Air cleaner double element with dust indicator  
Standard Features  
 Alternator 140 ampere 24V  
 Backup alarm  
 Batteries 200 Ah 2 x 12V  
 Battery disconnect switch  
 Blade lift cylinders with double dust seal  
 Color monitor LCD  
 Decelerator pedal  
 Engine hood  
 Engine idle auto shutdown with adjustable timer  
 Engine intake centrifugal precleaner  
 Engine gull wing side covers  
 Engine shutdown secondary switch  
 Exhaust pipe with raincap  
 Fast fuel provision  
 Front pull hook  
 Fuel pre filter and primary filter  
 Grid heater starting aid in cold weather  
 High mount foot rests  
 Horn warning  
 Hydraulic driven radiator cooling fan with manual reverse clean mode  
 Hydraulics for dual tilt and pitch dozer  
 Hydraulics for ripper VGR MSR  
 KOMTRAX Level 5  
 K bogie undercarriage  
 Komatsu Diesel Particulate Filter KDPF  
 Komatsu Variable Geometry Turbocharger KVGT  
 Komatsu Selective Catalytic Reduction SCR  
 Locks filler caps and covers  
 Oil pressure check ports for power train  
 PM service connector  
 Radiator mask double door heavy duty hinged perforated  
 Radiator reserve tank  
 Rear cover  
 ROPS cab 1420 kg 3,131 lb  
 Air conditioner heater defroster Pressurized Condenser remote mounted  
 Cab accessories  
 Work lights 2 front hood mounted 2 front cab mounted 2 rear fender mounted 2 rear cab mounted 1 rear for ripper point  
 Seat air suspension fabric heated low back rotates 12.5 to right headrest  
 Seat belt 76 mm 3 retractable  
 Seat belt indicator  
 Sealed electrical connectors  
 Starting motor 11.0 kW 24V  
 Steering system Hydrostatic Steering System HSS  
 Torque converter with auto lock up  
 Track roller guards end sections  
 Track shoe assembly Sealed and lubricated  
 610 mm 24 extreme service shoes  
 Transmission with auto manual shift modes  
 Underguards heavy duty  
 Hinged belly pans  
 Water separator fuel  
 Wide core cooling package 6 fins per inch spacing  


 Shoes optional Additional weight  
 660 mm 26 extreme service shoes 240 kg 530 lb  
 710 mm 28 single grouser shoes No additional  
 Shoes optional Ground contact area  
 660 mm 26 extreme service shoes 43230 cm2 6,700 in2  
 710 mm 28 single grouser shoes 46505 cm2 7,208 in2  
 Additional weight including hydraulic control unit 3760 kg 8,290 lb  
 Beam length 2320 mm 7 7  
 Hydraulically controlled parallelogram type ripper with three shanks Digging angle infinitely adjustable Standard digging angle 49  
 Maximum digging depth 900 mm 2 11  
 Maximum lift above ground 950 mm 3 1  
 Additional weight including hydraulic control unit 2440 kg 5,380 lb  
 Beam length 1400 mm 4 7  
 Hydraulically controlled parallelogram type ripper with one shank Digging angle infinitely adjustable Standard digging angle 49  
 Maximum digging depth 1240 mm 4 1  
 Maximum lift above ground 950 mm 3 1  
 HD Counterweight 9 plate with rigid drawbar 3568 kg 7,860 lb  
 Sigma push group bladeless for Allied blade  
 Full U  
 Semi U  

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*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.
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