290-2789 A/C Condenser for Caterpillar CAT Engine C4.4 C6.6 Compactor CP-44 CP-54B CP-56 CP-64 CP-68B CP-74B CP-76 CS-44 CS-54B

Elecdura AC Condenser Manufacturer & Supplier

Discover precision engineering at Elecdura—where high-performance AC condensers are crafted for diverse applications.

As a leading global manufacturer and supplier of air conditioning condensers, Elecdura delivers unmatched efficiency and reliability across a wide range of systems. Our condensers provide superior heat dissipation and seamless integration in vehicles, heavy machinery, and industrial equipment from Japanese, European, and American brands.

With over 1,600 SKUs in stock, we support demanding applications like Caterpillar and Komatsu excavators, as well as broader HVAC solutions. Backed by our state-of-the-art R&D center, zero-defect production lines, and certifications including IATF16949, ISO14001 (2016), and OHSAS 18001, Elecdura ensures uncompromising quality—from raw material inspections to instant partner support.

290-2789 Caterpillar AC Condenser Description

This AC condenser is designed for reliable cooling performance and long service life. Manufactured following OEM-level standards, it provides a perfect replacement solution for heavy equipment, construction machinery, and industrial vehicles.

Suitable for wholesalers, distributors, and repair workshops looking for stable supply and bulk order support.

290-2789 Caterpillar AC Condenser Product Parameter

Product Name	AC Condenser for Caterpillar Compactor
Condition	100% New and Tested
Package contents	1 Condenser
Material	Alloy Aluminum
Core Height	533mm
Core Width	580 mm
Thickness	20 mm
Fin Height	5
Product Dimension	71 × 71 × 8 cm
Warranty	12 Months
Applicaiton	Caterpillar Compactor: CP-44, CP-54B, CP-56, CP-64, CP-68B, CP-74B, CP-76, CS-44, CS-54B, CS-56, CS-56B, CS-64, CS-64B, CS-66B, CS-68B, CS-74, CS-74B, CS-76B, CS-78B, CW-34
Packaging	Brand / Neutral / Customized Packaging
Associated Part Numbers	290-2789/ 332T4785 / CH-40134

290-2789 Caterpillar AC Condenser Application

Brand	Model List
CAT	CP-44, CS-44, CS-54B, CS-56B, CS-68B, CS-74B, CS-78B, CP-56, CS-56, CP-54B, CP-64, CP-68B, CP-74B, CP-76, CS-64, CS-74, CS-64B, CS-66B, CS-76B, CW-34

Brand	Engine Models
CAT	C4.4, C6.6

Elecdura Strong Export Capability and Stable Supply

Elecdura ensures large-scale, consistent shipment of ac condensers to global markets. Each pallet and carton is packed with precision and safety to meet export standards. With years of export experience and stable demand from long-term clients, we guarantee reliable delivery and supply chain continuity for bulk orders.

Elecdura AC Condenser Certification

Elecdura Partnership & Market Success

Elecdura collaborates with leading distributors and brands worldwide — helping our partners dominate their local aftermarket. Through professional sourcing, customized product development, and close market research, we've supported clients in becoming the Top 1 aftermarket suppliers in South America(in some categories). Our integrated marketing and supply capabilities make us more than a factory — we're your strategic growth partner.

Elecdura Cooling Solution Trusted Worldwide, Growing Together

From Latin America to Europe, from Asia to the Middle East, our products are recognized by customers around the globe. By ensuring that every item complies with local regulations and quality standards, we help importers enter their markets with confidence. Let's work hand in hand to open new markets and create long-term success.

290-2789 Caterpillar AC Condenser FAQs

1. Which specific Caterpillar Compactor models and C-Series Engines are compatible with this 290-2789 A/C Condenser Assembly?

This A/C Condenser Assembly (290-2789 or 2902789) is designed for a broad range of modern Caterpillar Compactors and related construction equipment.

Key Compatibility Checks:

• Compactor Models: It fits the CP-Series (Pneumatic/Padfoot) and CS-Series (Smooth Drum) Compactors, including models such as CP-44, CP-54B, CP-56, CP-64, CP-68B, CP-74B, CP-76, CS-44, CS-54B, and other models within this size and generation.

• Engine Compatibility: It is utilized in machines powered by CAT's efficient C-Series engines, specifically the C4.4 and C6.6 models.

• Verification: Always verify the 290-2789 part number against your machine's original part or CAT parts manual for exact fitment, as the mounting and hose fittings must be precise for the compactor chassis.

2.What role does the Condenser Assembly play in the high-vibration environment of a CAT Compactor?

The A/C Condenser's function is magnified by the extreme operating conditions of a compactor:

• Efficient Heat Dissipation: Compactors generate significant engine and hydraulic heat. The condenser must efficiently transfer heat from the high-pressure, gaseous refrigerant to the ambient air to complete the cooling cycle.

• Vibration Resistance: Since compactors operate under continuous, high-frequency vibration and impact loads, the condenser core and its mounting points must be constructed with superior durability and weld integrity to prevent premature refrigerant leaks due to structural fatigue.

• Contaminant Resistance: Operating in dusty construction environments (soil, asphalt, aggregates), the condenser design must resist clogging while maintaining maximum airflow to prevent both AC system failure and engine overheating.

3. What are the common failure symptoms of the 290-2789 Condenser Assembly in a CAT Compactor?

The failure modes in a compactor are often related to external damage and internal stress:

• Poor or Lost Cooling: The most reliable symptom is the A/C system blowing only warm air, indicating a severe refrigerant leak from the condenser's tubes or fittings, often caused by vibration-induced cracks.

• High-Pressure Cutout: A condenser that is internally or externally restricted (clogged with debris) will cause the A/C system's high-side pressure to spike, triggering the safety switch and disabling the AC compressor.

• Visible External Damage: Look for signs of damage from debris thrown up during compaction, such as dented fins, crushed tubes, or oily residue (indicating a leak) on the condenser surface.

• Compromised Engine Cooling: Severe external clogging of the condenser can block airflow to the main engine radiator, potentially contributing to the C4.4/C6.6 engine overheating.

4. What are the key installation precautions and required steps when replacing this Compactor Condenser?

Replacing the condenser in heavy equipment requires adherence to specific HVAC standards:

1. System Evacuation and Flushing: The entire A/C system must be professionally evacuated (vacuum pulled) and, if the old compressor failed, flushed to remove contaminants and moisture.

2. Receiver Drier Replacement (Mandatory): It is absolutely mandatory to replace the Receiver Drier/Accumulator at the same time. In high-humidity environments, a saturated drier will ruin the new compressor and condenser quickly.

3. O-Ring Replacement: Use new, lubricated O-rings on all line connections to prevent leaks, which are common under the constant vibration of compactor operation.

4. Leak Testing and Charge: After installation, the system must be pressure-tested for leaks and then recharged with the correct type and weight of refrigerant (R134a) as specified by Caterpillar.

5. What advantages does your company offer to heavy equipment parts dealers sourcing the 290-2789 Condenser?

We specialize in supplying robust, heavy-duty cooling solutions for the construction sector:

• Heavy-Duty Construction: Our 290-2789 Condenser is built with reinforced welding and thicker gauge aluminum tubing to provide superior resistance against the constant vibration and physical debris damage experienced by CAT Compactors.

• Precise OEM Fitment: We guarantee exact fitment and critical connection alignment for the compactor's chassis (CP/CS Series), ensuring quick, hassle-free replacement on site and accurate cross-referencing to OEM 290-2789.

• Global Inventory and Warranty: We offer competitive bulk wholesale pricing and maintain a stable inventory of high-demand CAT parts, backed by a comprehensive 1-year warranty against manufacturing defects to ensure your customers' operational confidence.