2W6967, 2W-6967 ELBOW CATERPILLAR

The 2W6967 ELBOW CATERPILLAR is a heavy‑duty air and exhaust elbow specifically designed for large Caterpillar® dozers and pipelayers that work in the most demanding mining and earthmoving environments. With a 102 mm inner diameter and robust steel construction, the 2W-6967 ELBOW CATERPILLAR keeps airflow smooth, backpressure under control, and high‑temperature gases safely routed away from the engine and operator area.

Whether your machine is ripping rock with a D10R, pushing overburden with a D9R, or working long pipe strings with a 589 pipelayer, this elbow is a key part of the engine’s breathing and exhaust system. When the 2W6967 ELBOW CATERPILLAR is worn, cracked, or corroded, performance drops and downtime risk climbs. When it’s new and correctly installed, your engine runs cooler, cleaner, and more efficiently.

At 3GEN Export, we supply the 2W6967 ELBOW CATERPILLAR as an OEM‑standard component and ship anywhere in the world within 5 working days, helping you get critical iron back to work fast.

Overview of the 2W6967 ELBOW CATERPILLAR

The 2W6967 ELBOW CATERPILLAR is a 90‑degree steel elbow used in the air or exhaust line of large-bore diesel engines. It features precision‑formed bends and flanged ends designed to integrate perfectly with Caterpillar manifolds, pipes, and after‑treatment components. Cat’s official listing describes it as a 102 mm inner‑diameter air line elbow for efficient combustion airflow.In practice, that means the 2W-6967 ELBOW CATERPILLAR usually sits between the turbocharger or manifold and the rest of the exhaust/air system, handling:

• High‑volume gas flow

• Continuous vibration from the powertrain

• Rapid temperature cycling from cold start to full‑load operation

• External impacts from rocks, debris, and maintenance tooling

The part in your images shows:

• A thick‑wall black steel body with a smooth 90° radius

• Machined steel flanges at both ends for clamp or coupling attachment

• A small locating lug to help position the elbow correctly during installation

All of this is packed into a relatively compact elbow, but the 2W6967 ELBOW CATERPILLAR has an outsized impact on how well your engine breathes.

Where the 2W-6967 ELBOW CATERPILLAR Is Used

The 2W6967 ELBOW CATERPILLAR is widely used on large Caterpillar track‑type tractors and heavy pipelayers. Multiple reputable aftermarket listings confirm that this elbow fits the following models and families:

Compatible Caterpillar Machines

• Caterpillar 589 Pipelayer

• Caterpillar D8L Track‑Type Tractor

• Caterpillar D9L Track‑Type Tractor

• Caterpillar D9N Track‑Type Tractor

• Caterpillar D9R Track‑Type Tractor

• Caterpillar D10N Track‑Type Tractor

• Caterpillar D10R Track‑Type Tractor

Some catalogs also reference compatibility by serial prefix groups such as 58L, 59L, 59N, which are associated with these large dozers and pipelayers.

If you manage a mixed fleet of D8L, D9N, D9R, D10N, D10R dozers and 589 pipelayers, keeping at least one spare 2W6967 ELBOW CATERPILLAR in stock is a smart way to protect uptime across all those machines.

Key Functions of the 2W6967 ELBOW CATERPILLAR

1. Directing Air and Exhaust Flow

The main job of the 2W6967 ELBOW CATERPILLAR is to turn high‑velocity gas flow through a 90‑degree bend without causing excessive turbulence or backpressure. Poorly designed elbows can create sharp internal turns that restrict flow; this elbow uses a smooth radius and correct cross‑section to keep gases moving freely.

That’s essential for:

• Efficient cylinder scavenging

• Stable turbocharger performance

• Consistent fuel burn across all cylinders

On machines like the D10N or D9R, even a slight restriction in the air or exhaust line can be felt as sluggish throttle response or higher fuel consumption, so the 2W-6967 ELBOW CATERPILLAR plays a direct role in productivity.

2. Containing Heat and Pressure

Exhaust gas leaving a loaded engine can exceed several hundred degrees Celsius, and pressure pulses from the turbocharger are intense. The steel body of the 2W6967 ELBOW CATERPILLAR is thick enough to withstand both the pressure and the temperature spikes over thousands of operating hours.

This protects:

• Nearby wiring harnesses and sensors

• Hydraulic hoses running close to the exhaust

• Body panels and guards that could otherwise warp or discolor

3. Withstanding Vibration and Shock

Large dozers and pipelayers generate constant vibration as they push, rip, and pull. The 2W6967 ELBOW CATERPILLAR is welded and formed to resist cracking even when the machine is working in rock, slopes, and harsh terrain. The machined ends help clamps and couplings grip evenly, reducing localized stress.

4. Maintaining Sealing Surfaces

Because the 2W6967 ELBOW CATERPILLAR is part of a modular exhaust/air line, it must hold precise sealing surfaces at both ends. The machined rings accept couplings, gaskets, or V‑band clamps to create a gas‑tight seal. This prevents:

• Soot leaks around the engine compartment

• False readings on nearby sensors

• Hot gas jets that could damage other components

Technical Specifications of 2W6967 ELBOW CATERPILLAR

A number of specialist industrial and parts catalogues list detailed data for the 2W6967 ELBOW CATERPILLAR. The most relevant figures for fleet managers and mechanics are summarized below.

H3 – Specification Table

The precise dimensions may vary slightly between manufacturers, but all quality replacements match the fit and function of the original 2W6967 design so that the elbow drops straight into the Caterpillar system.

Design Features of the 2W-6967 ELBOW CATERPILLAR

Smooth 90‑Degree Flow Path

Internally, the 2W6967 ELBOW CATERPILLAR uses a smooth radius, not a tight or segmented bend. This minimizes turbulence so gas velocities stay high without spiking backpressure. That matters because excessive backpressure can heat up exhaust valves, reduce turbo efficiency, and ultimately shorten engine life.

Durable Steel Construction

The black‑coated body of the 2W-6967 ELBOW CATERPILLAR is made from heavy‑gauge steel. This gives it:

• High resistance to deformation when clamped

• Excellent fatigue strength under vibration

• The ability to handle repeated heat cycles without cracking

For D8L, D9R or D10R machines that often see 12+ hours of work per shift, that durability is essential.

Machined Coupling Ends

Each end of the 2W6967 ELBOW CATERPILLAR is machined to form a clean seating surface for couplers or clamps. These ends often include a small bead or groove that:

• Helps locate sealing sleeves or gaskets

• Prevents clamp slippage during vibration

• Provides a straight, concentric reference for aligning pipes

A well‑machined end is critical for creating long‑term leak‑free joints.

Protective Coating

The outer black coating on the 2W6967 ELBOW CATERPILLAR offers resistance against:

• Surface rust from moisture or washdowns

• Chemical attack from exhaust condensate

• Abrasion from dust and small debris

For dozers operating in wet clay or corrosive environments like salt mines, this protection significantly extends service life.

Locating Tab

Some versions of the 2W-6967 ELBOW CATERPILLAR feature a small tab or lug on the outer radius. This tab can correspond to a bracket or alignment feature on the machine, making it easier to orient the elbow correctly and preventing rotation under load.

Operational Benefits of 2W6967 ELBOW CATERPILLAR

Better Engine Efficiency

A worn or cracked elbow can leak hot gases or restrict flow. When you replace it with a high‑quality 2W6967 ELBOW CATERPILLAR, you restore the engine’s designed breathing characteristics. Benefits include:

• Improved throttle response

• Reduced fuel consumption per hour

• More stable power output under heavy load

For mining or pipeline construction, where fuel is a major cost, even a small efficiency gain quickly pays for the elbow.

Lower Exhaust System Stress

If the old elbow is partially blocked or collapsed, other components have to absorb extra stress. Installing a fresh 2W-6967 ELBOW CATERPILLAR reduces thermal strain on manifolds, turbo housings, and mufflers by allowing gases to flow freely.

Reduced Downtime Risk

Exhaust failure on a D9R or D10R doesn’t just mean noise and smoke – many sites will immediately park a machine with a serious exhaust leak for safety reasons. Keeping a spare 2W6967 ELBOW CATERPILLAR in stock allows service teams to fix issues quickly and keep production running.

Operator Comfort and Safety

By keeping the exhaust path sealed and correctly routed, the 2W6967 ELBOW CATERPILLAR helps direct hot gases away from the cab area and air‑conditioning intake. That keeps the operator space cooler, quieter, and safer.

Why Order the 2W6967 ELBOW CATERPILLAR from 3GEN Export?

OEM‑Standard Quality

3GEN Export supplies the 2W6967 ELBOW CATERPILLAR manufactured to OEM‑level specifications for dimensions, material strength, and durability. That means you get a part that bolts up cleanly, seals correctly, and performs like the elbow your machine was designed to use.

Worldwide Delivery in 5 Working Days

When a 2W-6967 ELBOW CATERPILLAR fails, your machine can be stuck in the yard. 3GEN Export’s logistics network allows us to deliver this elbow almost anywhere in the world within five working days, minimizing downtime for remote mines, pipeline spreads, or construction sites.

Fleet‑Focused Support

If you run a mixed fleet of D8L, D9N, D9R, D10N, D10R and 589 units, our team can help you:

• Confirm part numbers from serial ranges

• Consolidate shipments of elbows, clamps, couplings, and mufflers

• Build recommended on‑site spare kits

That way you know you’ve always got the right 2W6967 ELBOW CATERPILLAR on the shelf when you need it.

Competitive, Transparent Pricing

We position the 2W6967 ELBOW CATERPILLAR competitively against both dealer and aftermarket options, with clear pricing and no hidden charges. That helps you control repair budgets without sacrificing quality.

Installation Tips for 2W-6967 ELBOW CATERPILLAR

Always follow your machine’s official service manual and safety procedures. The notes below are general best practices to support your technicians.

Preparation

• Allow the engine and exhaust system to cool completely.

• Inspect adjacent components — clamps, couplings, and sealing rings — and replace any items that show cracking, rust, or deformation.

• Clean mating pipe surfaces thoroughly so the new 2W6967 ELBOW CATERPILLAR can seal correctly.

Fitment

1. Position the 2W-6967 ELBOW CATERPILLAR in the same orientation as the old part, making sure the locating tab (if present) lines up with its bracket.

2. Slide couplings or clamps over the adjoining pipes before bringing the elbow into place.

3. Align all joints so there is no twisting or side‑loading of the elbow.

4. Tighten clamps or fasteners evenly, alternating between sides to draw joints together uniformly.

Post‑Installation Checks

• Start the engine at idle and inspect all joints around the 2W6967 ELBOW CATERPILLAR for soot puffs, gas leaks, or unusual noise.

• Bring the machine up to operating temperature and load, then re‑check for leaks.

• After the first few shifts, re‑inspect the elbow and clamps to ensure everything has remained tight as the system has heat‑cycled.

Weight of the 2W6967 ELBOW CATERPILLAR

Industrial parts references list the 2W-6967 Air Lines Elbow with a mass of approximately 3.78 kg (8.32 lb).

Some aftermarket suppliers list a slightly higher shipping weight (around 4.7 kg / 10.4 lb), which typically includes packaging and protective materials.

For storage and freight calculations, using 3.8 kg per 2W6967 ELBOW CATERPILLAR is a practical estimate.

Conclusion

The 2W6967 ELBOW CATERPILLAR may be “just” an elbow in the air/exhaust line, but on machines like the D8L, D9R, D10N, D10R and 589 pipelayer, it is absolutely vital. From maintaining airflow and temperature control to preventing leaks and protecting downstream components, the 2W-6967 ELBOW CATERPILLAR directly supports engine health, fuel efficiency, and uptime.

By sourcing this component from 3GEN Export, you get OEM‑standard quality, expert support, and fast global delivery in only five working days. That keeps your big yellow iron pushing, ripping, and laying pipe — instead of waiting on parts.

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.