Why contractors still chase 40-ton Komatsu D155A dozer

Some dozers just make contractors stop for a second look. Komatsu D155A is one of them.

It is not the biggest dozer on the market, and that is part of the point. You get a serious 40-ton machine with a big blade, strong pushing power, good track grip, and a rear ripper that can break tough ground before the blade starts working.

For contractors, rental fleets, and machinery traders, that mix still matters. A used D155A can handle real production work without jumping into the cost, transport, and running demands of a much larger mining dozer.

That is why the Komatsu D155A still gets attention in UAE and GCC markets. It is big enough for quarry support, road work, site preparation, and heavy earthmoving, but still practical enough to keep working across different jobsites.

Why UAE contractors still trust Komatsu D155A

Contractors in the UAE still trust the Komatsu D155A because it matches the work they actually do: long pushing cycles, sand and rocky soil, quarry stripping, road work, and large site grading.

For buyers, the trust is not about the model name only. It is about the dozer’s working setup: 40-ton size, strong blade control, good track grip, ripper capability, and steady pushing performance under load. Smaller dozers can handle grading, but they often fall short when the job needs heavy pushing or ripping. 

That is why contractors still use the Komatsu D155A for:

• Heavy production dozing
• Overburden pushing
• Fill spreading
• Haul road shaping
• Working pad preparation
• Quarry support
• Infrastructure work
• Ripping hard or compacted ground

Komatsu D155A: One push can fill a small room

The Komatsu D155A has around 9 m³ blade capacity. In simple terms, one full push can move enough loose material to fill a small room, depending on the room size and how high the material is piled.

On site, that can mean one full blade of sand, fill, loose rock, road base, or quarry overburden. This helps contractors move more material in fewer passes than smaller dozers.

Blade wider than a Toyota Corolla Sedan

The Komatsu D155A uses a 14 ft SU blade, which is almost as long as a Toyota Corolla sedan. That gives buyers a clear way to imagine the blade size without looking only at technical numbers.

This width helps the dozer cover more ground with every pass, especially when spreading fill, shaping site pads, clearing quarry areas, or pushing material across wide open jobsites.

Ripper turns hard ground into pushable material

A blade can push loose soil. But on hard ground, it may only scratch the surface.

The D155A’s single-shank ripper works like a giant steel claw. It digs into compacted soil, hard fill, and rocky ground, then breaks it open before the blade starts pushing.

This helps in:

• Quarry areas
• Road bases
• Hard site pads
• Compacted fill
• Rocky ground

For buyers, the value is simple: the D155A can break the ground first, then move it.

Want to see how it works before shortlisting the machine? Watch the operational video on the Komatsu D155A-6R dozer listing or compare it with the Komatsu D155A-6 dozer listing on Makana. 

Where to Find a Used Komatsu D155A for sale in Dubai

Makana currently has 3 used 2018 Komatsu D155A dozers available in Dubai, sitting in Makana’s Jebel Ali yard. Each unit comes with detailed machine information, full inspection reports, product photos, operational videos, and viewing options to help buyers understand which dozer fits their job.

All 3 units are 40-ton crawler dozers with the main setup buyers look for: a 14 ft SU blade, around 9 m³ blade capacity, 354 hp Komatsu SAA6D140E-5 engine, Torqflow transmission, GCC specs, and single-shank ripper.

• Komatsu D155A-6R: listed at AED 570,000, excluding VAT and buyer fees.
• Komatsu D155A-6R: listed at AED 562,000, excluding VAT and buyer fees. 
• Komatsu D155A-6: listed at AED 560,000, excluding VAT and buyer fees.

The D155A-6 and D155A-6R are very close in working setup. The practical differences buyers should look at are the model variant, inspection report, customs status, undercarriage condition, blade and ripper wear, price, and final landed cost. 

Buyers can use Makana’s inspection reports, operational videos, machine photos, and technical details to understand each unit more clearly and choose the dozer that fits their site work, budget, and delivery plan.

Prefer Cat Dozers? Compare the D155A with Cat D8T

Some buyers compare the Komatsu D155A with the Cat D8T because both are heavy crawler dozers used for pushing, ripping, quarry support, road work, and large site preparation.

Makana currently lists three used 2018 Komatsu D155A dozers and three used 2021 Cat D8T crawler dozers in Dubai. Buyers can compare available crawler dozers by inspection report, photos, videos, blade setup, ripper setup, price, customs status, and viewing options before choosing.

FAQs

Why is the Komatsu D155A still popular in 2026?

The Komatsu D155A is still popular because it is a 40-ton crawler dozer with strong pushing power, a large SU blade, and a ripper for heavy earthmoving work.

Is the Komatsu D155A good for contractors?

Yes. The D155A is useful for heavy dozing, ripping, quarry support, road work, fill spreading, and large site preparation.

What blade size does the Komatsu D155A have?

The Komatsu D155A units on Makana come with a 14 ft SU blade and around 9 m³ blade capacity.

What does 9 m³ blade capacity mean?

It means the blade can move around 9 cubic metres of loose material in one push. That is enough material to fill a small room, depending on size and pile height.

Does the Komatsu D155A come with a ripper?

Yes. The two 2018 D155A units on Makana come with a single-shank ripper, which helps break compacted soil, hard fill, and rocky ground before pushing.

Is the D155A better than a smaller dozer?

For heavy earthmoving, yes. The D155A has more traction, blade capacity, and ripping power than smaller dozers. For light grading or small sites, a smaller dozer may be easier to manage.

Where can I buy a used Komatsu D155A in Dubai?

You can source a used Komatsu D155A through Makana in Dubai, with machine photos, videos, inspection reports, specifications, and viewing options.

Why buy a used Komatsu dozer from Makana?

Makana gives buyers verified machine details, inspection reports, 360° media, technical specifications, online and in-person viewing, financing support, and export assistance from Dubai.