
Part Name: 1484644 Gearbox
Part Number: 1484644
Basic Info.
art no. | 148-4644 1484644 | Material | steel |
Type | Gearbox | Part Type | Engineering machinery parts |
Compatibility | Caterpillar E320C 320D Excavator | Transport Package | Wooden box |
Trademark | DIRON | Origin | Luoyang City |
HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Date First Listed:2025/05/30
- Manufacturer: Gearbox 1484644 for Caterpillar E320C and 320D Excavators
Product Description
- Part Type:Gearbox
- Description: Caterpillar 3406C

Product Introduction: Gearbox 1484644 for Caterpillar E320C and 320D Excavators
Overview
The Gearbox 1484644 is a precision-engineered swing reduction gearbox (Drive GP-Swing without motor) designed for Caterpillar excavators, specifically used to transmit power from the swing motor to the slewing ring, enabling the upper structure to rotate. This component is critical for ensuring smooth and reliable swing operation in demanding excavation tasks. Available as a new aftermarket or genuine OEM part, it provides a robust and cost-effective solution for equipment maintenance. The user’s query for 1484644, following requests for Caterpillar components (e.g., 3780509 piston, 4W7188 oil cooler) and other machinery parts, aligns with a focus on Caterpillar excavator systems, particularly for models like the E320C and 320D.
Key Features
- Material: Constructed from high-grade steel and alloy components, designed to withstand high torque, resist wear, and perform reliably in harsh construction environments. Features precision-machined gears and robust housing for durability.
- Design: Precision-engineered swing reduction gearbox, featuring multiple planetary gear sets for efficient torque transfer. Designed to OEM specifications for direct-fit replacement, excluding the swing motor (must reuse existing motor or purchase separately). Includes sealed bearings and oil seals for low maintenance.
- Compatibility: Compatible with Caterpillar excavator models, specifically:
- Excavators: 318C, 319C, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 FM, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D, 323D L, 323D LN, 323D S, 323D SA, 323D2 L, 323E L, 323E LN, 323E SA, 323F L, 323F SA.
- Engines: Typically paired with Caterpillar 3066 or C6.4 engines in these models.
- Mobile Hydraulic Power Units: 323D L, 323D LN. Exact compatibility must be verified using the machine’s serial number via CAT SIS, as compatibility cannot be confirmed without it per Caterpillar’s policy. Cross-referenced with part numbers 148-4679, 199-4701, and others.
- Dimensions: Specific dimensions are not publicly detailed but conform to OEM standards for listed models. Approximate weight is 150-200 lbs (68-91 kg), based on similar swing gearboxes.
- Quality Assurance: Manufactured to meet or exceed OEM specifications, with rigorous quality control in ISO 9001-certified facilities. Pressure-tested for leaks and load-tested for performance.
Benefits
- Enhanced Durability: High-grade materials and sealed design ensure resistance to wear and environmental stress, extending service life in rugged excavation tasks.
- Reliable Performance: Precision gear alignment delivers smooth and efficient swing operation, critical for the 320C and 320D’s productivity in construction and mining.
Applications
The Gearbox 1484644 is designed for use in Caterpillar equipment, specifically suited for:
- Excavators: E320C, 320D, 320E, for digging, trenching, and material handling tasks.
- Industries: Construction, mining, forestry, and infrastructure development, where 320-series excavators are employed for high-precision swing operations.
Technical Specifications
Weight: Approximately 150-200 lbs (68-91 kg).
Part Number: 1484644 (cross-referenced as 148-4644, 1484644, 148-4679, 199-4701, 171-9288, 199-4513, 246-4159, 246-4160, 267-6740, 296-6272).
Unit of Measure: Each.
Condition: New aftermarket or OEM.
Note: While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
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