1755031113 / 175-50-31113 EQUALIZER BAR KOMATSU

When a crawler dozer is pushing hard, climbing uneven ground, or working rock-heavy terrain, the undercarriage is constantly fighting two opposing forces: massive load transfer and continuous vibration. The equalizer bar is one of the components that quietly keeps everything “balanced” by distributing load between the left and right track frames, helping the machine stay stable, track straight, and protect critical joints from shock.

The 1755031113 (also searched as 175-50-31113) is a heavy-duty EQUALIZER BAR KOMATSU style component designed for demanding dozer work, where alignment, durability, and pin-bore accuracy directly affect undercarriage life. In the images, you can see a robust, one-piece bar with a precision-machined bore and protective coating, shipped in export-safe wooden packaging.

At 3GEN Export, we supply this part as an OEM supplier alternative for global projects, worldwide delivery in 5 working days, so your fleet can return to production with minimal downtime.

What the 1755031113 / 175-50-31113 EQUALIZER BAR KOMATSU Does

The 1755031113 / 175-50-31113 EQUALIZER BAR KOMATSU works as a structural load-equalizing member in the undercarriage system. Its purpose is to:

• Share load between track frames when the machine crosses uneven ground

• Reduce torsional stress and shock loads transferred into the main frame

• Improve stability during blade work, ripping, and rock applications

• Help maintain smoother track contact and predictable machine posture

In practical terms: when the left side drops into a rut and the right side remains on higher ground, the equalizer bar helps prevent harsh twisting loads that can accelerate wear across pins, bushings, and mounts.

Why This Part Matters for Productivity

A worn equalizer bar does not always fail dramatically; more often, it slowly increases operating costs through misalignment and secondary wear. Installing a correctly built 1755031113 / 175-50-31113 EQUALIZER BAR KOMATSU helps you protect:

• Track frame joints

• Center pin / mounting interfaces

• Undercarriage alignment

• Operator comfort (less impact transfer)

• Component life across rollers, idlers, and related assemblies

For contractors and quarry operators, this is the type of part that directly influences “cost per hour,” because undercarriage repairs are rarely isolated, one weak component tends to pull others into premature wear.

Construction and Material Expectations

A high-quality 1755031113 / 175-50-31113 EQUALIZER BAR KOMATSU should be produced with a focus on strength, bore integrity, and wear resistance. While exact metallurgy varies by production batch and application, OEM-grade manufacturing expectations typically include:

• Heavy-section forged or high-strength steel body

• Controlled heat treatment for toughness and crack resistance

• Precision-machined pin bore for correct fit and rotation behavior

• Durable protective coating/paint for corrosion resistance during storage and shipment

From the product images, the bar profile and finish indicate a heavy-duty build intended to handle repetitive impact loads in dozer environments.

Technical Details for 1755031113 / 175-50-31113 EQUALIZER BAR KOMATSU

Below are practical, buyer-focused specs you can use on a product page (final dimensions/tolerances can be confirmed during order):

Core Specifications

• Part Number (no hyphen): 1755031113

• Part Number (hyphen): 175-50-31113

• Product Type: EQUALIZER BAR KOMATSU (undercarriage load-equalizing bar)

• Primary Role: Load distribution between track frames, improved stability and reduced torsional stress

• Typical Finish: Industrial protective coating / paint

• Packaging: Export wooden crate (as shown in images)

Weight (KG)

Online listings show different declared weights depending on listing method and whether it’s net part weight vs shipping/handling weight. One public listing shows 330 kg for 175-50-31113. 
Other marketplace listings may show different numbers, so a safe commercial approach is:

• Estimated net weight: ~310–400 kg (varies by manufacturer/listing method)

• Recommended shipping planning weight: closer to the higher end when crated (export packaging adds mass/volume)

If you want, I can format the page with “Net Weight” and “Shipping Weight (Crated)” as separate lines so buyers understand why weights differ.

Compatibility: Which KOMATSU Models Use 1755031113 / 175-50-31113

This part number is widely referenced for Komatsu D155A series applications. Parts-catalog style references connect 175-50-31113 with D155A variants (including D155A-2A).
Some supplier listings also present it for D155A configurations.

Commonly referenced fitment (check by serial range)

• Komatsu D155A series

• Komatsu D155A-2 / D155A-2A (commonly referenced)

Because Komatsu undercarriage configurations can change by serial number and market spec, the most accurate method is confirming with your machine serial or parts book. If you provide the machine model + serial range, you can match it 1:1 before dispatch.

Signs Your Equalizer Bar Needs Replacement

If your machine is still operating but “feels wrong,” the equalizer bar and its interfaces are worth checking. Typical symptoms that push buyers to order a 1755031113 / 175-50-31113 EQUALIZER BAR KOMATSU include:

• Abnormal clunking over uneven ground

• Visible play at the mounting point / center interface

• Uneven track wear patterns that persist after basic adjustments

• Stress marks, cracking, or deformation on the bar body

• Repeated pin/bushing wear in the same location

Ignoring these signs often leads to secondary wear, what starts as a single component becomes a cascade across connected undercarriage parts.

Installation Notes and Best Practices

Before Installation

• Clean and inspect the mounting areas and mating surfaces

• Verify the bore and pin interface is free of burrs, paint buildup, or shipping debris

• Check related pins/bushings for wear, installing a new bar on worn interfaces reduces performance

During Installation

• Use correct lifting equipment: this is a heavy component and should be handled as a controlled lift

• Align carefully, forcing alignment can damage the bore or mounting surfaces

• Apply appropriate lubrication where specified by your service procedure

• Torque fasteners according to the machine service manual

After Installation

• Perform a short operational check over uneven ground at low speed

• Re-check fastener torque after initial bedding-in period

• Monitor for abnormal movement/noise during the first working day

Operating Advantages in Rock and Heavy Ground

A properly built 1755031113 / 175-50-31113 EQUALIZER BAR KOMATSU provides real-world improvements that operators notice:

• More stable posture in uneven cuts

• Reduced harsh impact transferred to frame and operator

• Better control when pushing at angle or climbing

• Lower risk of accelerated wear from torsional frame stress

In rock work, these advantages aren’t “nice to have”, they’re the difference between predictable maintenance and surprise downtime.

Why Buy from 3GEN Export

3GEN Export is built for one thing: keeping heavy equipment running by supplying the right parts fast.

What you get with 3GEN Export

• OEM supplier sourcing standard (without using “genuine/original” claims)

• Export-ready packaging (as shown in the images)

• Worldwide delivery in 5 working days

• Support for part verification using part number + machine model + serial range

If your customer needs a fast replacement cycle, we can also help you plan multi-unit shipments for fleets, projects, and dealer stock.

FAQ

Is 1755031113 the same as 175-50-31113?

Yes, 1755031113 is the same identifier written without hyphens, and 175-50-31113 is the hyphenated format commonly used in catalogs and searches.

What machine family is it commonly linked to?

Public catalog references and supplier listings commonly connect it to Komatsu D155A series variants.

What weight should I use for shipping quotes?

A public listing shows 330 kg for the part number. 
For freight planning, it’s smart to quote using the higher value (especially when crated) unless you confirm net weight on the exact batch.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.