Product Overview
3466687 Caterpillar Air Filter (346-6687) is a high-performance air filter. Specifically, it is engineered to meet Caterpillar’s strict OEM standards, ensuring efficient air purification for Caterpillar equipment and a wide range of compatible machinery across multiple brands.
It effectively filters out dust, debris, and other airborne contaminants from intake air. By doing so, it prevents engine wear and ensures stable engine performance in heavy-duty, agricultural, and industrial applications.
Crafted with premium filter media, it delivers consistent filtration efficiency and durability. Additionally, its precise dimensional design (D1, D2, D3, H1) ensures seamless fitment with compatible air intake systems.
Designed for easy replacement and maintenance, it meets industry standards for air filtration. Moreover, it adapts to diverse operating environments, from construction sites to agricultural fields.
Key Features
High filtration efficiency ensures thorough removal of airborne contaminants. For example, it captures fine dust particles and debris that can damage engine cylinders, pistons, and other critical components.
Precise dimensional design guarantees perfect fitment: D1=302.000 mm, D2=286.000 mm, D3=170.000 mm, H1=208.000 mm. Thus, it aligns seamlessly with Caterpillar OEM air filter housings and compatible brand systems.
High-quality filter media resists clogging and degradation, even in dusty and harsh operating environments. Moreover, it extends service intervals to reduce maintenance frequency and costs.
Lightweight construction (1.180 kg) and compact volume (0.013644 m³) simplify installation and handling. Furthermore, it ensures quick maintenance and minimal equipment downtime.
Robust structural design ensures stability under engine vibration and varying pressure conditions. Also, it prevents filter damage and ensures consistent air flow to the engine.
Filtration Performance
The filter’s high-efficiency media effectively captures airborne contaminants of various sizes. As a result, it prevents abrasive wear on engine components and maintains optimal engine combustion efficiency.
It maintains consistent filtration performance across a wide range of operating conditions. Specifically, it works reliably in dusty agricultural, industrial, and construction environments, adapting to diverse air quality conditions.
Optimized flow design ensures minimal impact on air intake flow rate. Consequently, it preserves engine power and fuel efficiency while delivering superior contamination removal.
Excellent dirt-holding capacity extends filter service life. In addition, this reduces filter replacement frequency and lowers maintenance costs for equipment fleets.
Structure & Durability
Robust housing withstands engine vibration and harsh operating conditions. Additionally, it resists deformation and damage to ensure long-term reliability in heavy-duty applications.
Precise dimensional tolerance (D1=302.000 mm, D2=286.000 mm, D3=170.000 mm, H1=208.000 mm) ensures a secure, leak-proof fit. Not only that, but it also aligns perfectly with Caterpillar’s original air filter mounting points and compatible brand systems.
Filter media is resistant to moisture and dust buildup, maintaining filtration efficiency over time. At the same time, it adapts to harsh operating environments, from dry, dusty construction sites to humid agricultural fields.
Its 1.180 kg weight and 0.013644 m³ volume make it easy to handle, simplifying installation and replacement. Besides, it reduces downtime for filter servicing and engine maintenance.
Specifications
Product Type: Air Filter.
Part Number: 3466687 (346-6687).
Brand: CATERPILLAR.
D1 (mm): 302.000.
D2 (mm): 286.000.
D3 (mm): 170.000.
H1 (mm): 208.000.
Weight (kg): 1.180.
Volume (m³): 0.013644.
Media Type: High-Quality Air Filter Media.
Primary Application: CATERPILLAR Equipment & Compatible Brands.
Installation & Fitment for 3466687 Caterpillar Air Filter (346-6687)
Precise dimensions (D1-D3, H1) and OEM-matching design enable fast, tool-friendly installation. Also, it requires no specialized tools, making replacement quick and convenient.
OEM-matching size ensures perfect fitment with Caterpillar air intake systems and compatible brand equipment. Therefore, it eliminates the need for adapters or modifications during installation.
Leak-proof fitment guarantees reliable performance after installation, preventing unfiltered air from entering the engine. In addition, technicians can complete replacement without specialized training.
Its lightweight (1.180 kg) and optimized volume (0.013644 m³) fit easily in tight air filter compartments. Furthermore, it simplifies handling during installation and replacement.
Compatible Models & Applications for 3466687 Caterpillar Air Filter (346-6687)
It is primarily designed for Caterpillar equipment, including various models: 415 F2, 416 F2, 420 F2, 420 F2-IT, 427 F2, 428, 428 F, 428 F2, 430 F2, 430 F2-IT, 432, 432 F, 432 F2, 434, 444, 444 F, 444 F2, 918 M, CB 10, CW 34. For instance, it fits Caterpillar construction, agricultural, and industrial machinery.
Beyond Caterpillar, it is compatible with multiple brands: CLAAS (ARION 230, ARION 410, ARION 420, ARION 420 M T4, ARION 430, ARION 440, ARION 450, ARION 460, SCORPION 635 VARIPOWER, SCORPION 732, SCORPION 736 VARIPOWER, SCORPION 741, SCORPION 746, SCORPION 746 VARIPOWER); FARMTRAC (675 DTN KING, 685 DT, 690 DT, 7100 DT, 7110 DT); FENDT (512 VARIO SCR, 513 Vario SCR, 514 VARIO SCR, 516 VARIO SCR); LIEBHERR (A 918 Compact Litronic Gen6, R 920 K-NLC, T 41-7s, T 55-7 4FS); MAHINDRA (9110 P, 9110 S, 9125 P, 9125 S); MST (M 644 PLUS T4); PRONAR RECYCLING (MPB 20.55); TYM (T 1054, T 1104, T 1104 SP, TX 105); VOGELE (SUPER 1300-3I, SUPER 1303-3I); WILLE (865); WIRTGEN (W 50 RI, W 60 RI). Additionally, it delivers reliable air filtration for all these compatible non-Caterpillar equipment.
Suitable for heavy-duty applications such as construction, mining, agriculture, and industrial engine air intake systems. Moreover, it performs reliably in harsh, dusty environments where air purity is critical for engine protection.
OEM Cross Reference for 3466687 Caterpillar Air Filter (346-6687)
As a Caterpillar OEM air filter, it directly replaces the original 3466687 (346-6687) filter. Additionally, it cross-references with equivalent filters from multiple brands: AF25163 (Atlas), 6182065, 12223455 (Liebherr), 11836166 (Liebherr), 2232513 (Wirtgen), H416200090100 (Agco/Fendt), 4645880 (Caterpillar), 3435643 (Caterpillar), 2171893 (Claas), 21718930 (Claas), 0021718930 (Claas).
All cross-referenced parts match the original’s filtration performance, dimensions, and quality. Thus, they ensure hassle-free replacement and consistent engine air intake protection.
Notably, the cross-referenced filters are fully compatible with all listed Caterpillar and non-Caterpillar models. Furthermore, this provides flexibility for maintenance and inventory management across diverse equipment fleets.
User Value of 3466687 Caterpillar Air Filter (346-6687)
Its high filtration efficiency protects engine components from airborne contaminants, reducing maintenance costs and equipment downtime. Furthermore, it extends the service life of Caterpillar and compatible engines.
The filter’s durable media and robust construction ensure long service intervals. Also, it lowers total ownership costs for fleets and industrial/agricultural facilities.
Easy installation and broad compatibility with multiple brands simplify maintenance and inventory management. Besides, its precise fitment and reliable performance enhance its practicality for diverse equipment fleets.
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