NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction
With a 4.48:1 reduction ratio, the Advance D300A supports marine propulsion systems requiring engine-to-propeller speed conversion.
- Gearbox Configuration / Layout: Vertical Offset
- Actuation & Control Type: Hydraulically Operated Multi-Disc
- Available Reduction Ratios: 4.48:1
- Max Input Power Rating: 330 kW (442 HP) @ 1800 RPM
- Max Input Torque: 2200 Nm / 1622 lb-ft
Product Overview: NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction
With a 4.48:1 reduction ratio, the Advance D300A supports marine propulsion systems requiring engine-to-propeller speed conversion. Its gearing helps increase propeller torque, supporting controlled acceleration and efficient thrust delivery when paired with compatible components. Engineered under strict Advance quality control protocols (Part/SKU: D300A-4-48 | Condition: New), this unit is purpose-built for demanding Marine Gearboxes applications where operational reliability, environmental sealing, and consistent output are non-negotiable.
Built around verified technical parameters—including Full Model Code / Part Number: D300A (4.48:1); Country of Origin: China; Gearbox Configuration / Layout: Vertical Offset; Actuation & Control Type: Hydraulically Operated Multi-Disc; Available Reduction Ratios: 4.48:1; Max Input Power Rating: 330 kW (442 HP) @ 1800 RPM—the NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction outperforms conventional aftermarket replacements in both structural rigidity and operational longevity. Every subsystem is calibrated to minimize parasitic power loss, mechanical vibration, and wear under real-world marine load profiles.
Whether deployed for a new vessel build, a commercial fleet refit, or an urgent offshore replacement, the NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction offers seamless system integration and predictable field performance. Each unit supplied by Edric Marine undergoes thorough pre-dispatch verification to ensure it arrives ready for immediate commissioning.
Key Features
- Genuine Advance Engineering (SKU: D300A-4-48 | Condition: New) purpose-built for Marine Gearboxes applications.
- Full Model Code / Part Number: Rated at D300A (4.48:1) for repeatable, high-efficiency marine operation.
- Country of Origin: Rated at China for repeatable, high-efficiency marine operation.
- Gearbox Configuration / Layout: Rated at Vertical Offset for repeatable, high-efficiency marine operation.
- Actuation & Control Type: Rated at Hydraulically Operated Multi-Disc for repeatable, high-efficiency marine operation.
- Marine-Grade Environmental Protection engineered to resist salt fog, high humidity, thermal cycling, and mechanical shock.
- Direct OEM-Standard Fitment allowing straightforward installation, standardized mounting, and rapid system commissioning.
- Pre-Dispatch Quality Verified by Edric Marine with insured international delivery and 30-day return protection.
Features and Performance
- Precision Mechanical & Structural Tolerances: Manufactured by Advance to exact dimensional and metallurgical specifications, minimizing internal friction, vibration transfer, and premature component fatigue during prolonged operation.
- Corrosion-Resistant Marine Metallurgy & Sealing: Critical external and internal surfaces are treated to withstand corrosive marine atmospheres, preventing galvanic oxidation, moisture ingress, and premature seal failure.
- Optimized Thermal & Load Management: Engineered to maintain stable operating temperatures and consistent output across fluctuating load demands, protecting both the unit and connected onboard equipment.
- High-Reliability System Integration: Designed with standardized interfaces and mounting geometry tailored for Marine Gearboxes setups, reducing installation downtime for marine technicians and vessel operators.
- Rugged Offshore & Commercial Duty Cycle: Tested against continuous wave impact, engine room resonance, and wide ambient temperature swings to deliver dependable performance season after season.
Why You Should Buy It
Investing in the NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction (SKU: D300A-4-48) from Edric Marine protects your vessel against costly unplanned downtime, inefficient fuel or power draw, and premature replacement cycles. By choosing authentic, marine-proven Advance hardware engineered for peak mechanical endurance, you secure long-term operational savings and peace of mind in demanding offshore conditions. Every order is backed by our multi-point pre-shipment inspection, export-grade protective packaging, real-time global freight tracking, and a comprehensive 30-Day Return & Refund Guarantee.
NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction – Technical Specifications
| Specification Parameter | Technical Value & Rating |
|---|---|
| Brand | Advance |
| Full Model Code / Part Number | D300A-4-48 |
| Country of Origin | China |
| Gearbox Configuration / Layout | Vertical Offset |
| Actuation & Control Type | Hydraulically Operated Multi-Disc |
| Available Reduction Ratios | 4.48:1 |
| Max Input Power Rating | 330 kW (442 HP) @ 1800 RPM |
| Max Input Torque | 2200 Nm / 1622 lb-ft |
| Max Input Speed | 1800 RPM |
| Bell Housing Adapter / SAE Flange Size | SAE #0, SAE #1 |
| Clutch Type & Operation | Oil-Actuated Multi-Disc |
| Fluid / Oil Specification | SAE 30 / SAE 40 Marine Diesel Engine Oil |
| Oil Capacity | 45 Liters |
| Integrated Oil Cooler Option | Yes (Raw Water Heat Exchanger) |
| Shift Solenoid / Electric Control Voltage | Mechanical Control (12V/24V Electric Solenoid Optional) |
| Power Take-Off / PTO Option | Optional |
| Housing Material & Coating | Cast Iron |
| Dry Weight | 1600 kg / 3527 lbs |
| Standard Warranty | 1 Year |
| Application | Deep-sea fishing vessels, heavy displacement tugboats, and cargo ships with continuous heavy-duty engines up to 440 HP |
| Product Condition | NEW – Brand New Factory Unit |
| Application Category | Marine Gearboxes |
| Environment Rating | Marine-Grade (Saltwater & Freshwater Compatible) |
| Quality Assurance & Inspection | Pre-Dispatch Tested & Verified by Edric Marine |
| Warranty & Return Policy | 30-Day Return Guarantee & Technical Support |
What’s Included in the Box – NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction
Every NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction (SKU: D300A-4-48 | Condition: New) order is carefully inspected, verified, and prepared for safe marine transit, including the following items:
- 1x NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction Assembly (Part/SKU:
D300A-4-48– Condition: New – Manufactured by Advance). - Standard Mounting & Interface Hardware: Includes all applicable brackets, fittings, or connection accessories as pictured and specified for this unit.
- Technical & Installation Documentation: Operating guidelines, integration specifications, and safety reference materials.
- Edric Marine Pre-Dispatch Quality Certificate & Warranty Coverage: Verified serial/SKU inspection record backed by our 30-Day Return & Refund Guarantee.
- Reinforced Marine Export Packaging: Heavy-duty shock-absorbent carton or ISPM-15 export-grade wooden crate engineered for international air and ocean freight.
Frequently Asked Questions – NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction
1. What is the condition of the NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction (SKU: D300A-4-48) and has it been tested?
This NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction is supplied in Brand New factory condition with full manufacturer tolerances and original packaging. Key verified parameters for this unit include Full Model Code / Part Number (D300A (4.48:1)), Country of Origin (China), Gearbox Configuration / Layout (Vertical Offset). Every unit is verified by Edric Marine prior to dispatch.
2. How do I verify that the NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction is compatible with my vessel or system?
To confirm exact fitment for the NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction, match your existing system requirements against the SPECIFICATIONS tab and part number (D300A-4-48). Our marine engineering support team at sales@edricmarine.com can also cross-reference your hull, engine serial number, or onboard electrical schematic prior to purchase.
3. What maintenance practices are recommended to maximize the service life of this Advance equipment?
For optimal longevity in saltwater and high-humidity environments, inspect all mounting fasteners, electrical terminals, or fluid/air connections periodically for corrosion or vibration loosening, and follow Advance scheduled service intervals using genuine OEM replacement consumables.
4. What warranty coverage and return protection are included with the NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction?
All orders from Edric Marine—both New and inspected Used units—are protected by our 30-Day Return & Refund Guarantee alongside applicable technical warranty support. If a unit arrives damaged in transit or does not match the listed specifications, our team provides priority replacement or full refund resolution.
5. How quickly does the NEW Advance D300A Heavy Duty Marine Gearbox 4.48:1 Reduction ship, and how is international freight handled?
In-stock orders are processed and dispatched within 1 to 2 business days. Standard equipment ships via tracked express air couriers (DHL Express, FedEx, or UPS), while heavy marine engines and generators are crated and dispatched via insured air or ocean freight with real-time tracking notifications.
Shipping & Worldwide Delivery Information
At Edric Marine, we provide secure, insured, and trackable worldwide delivery for marine electronics, propulsion engines, cabin heating systems, and boating hardware.
Order Processing & Export Handling
- Handling Time: 1 to 2 business days (Monday – Saturday, order cut-off at 11:00 AM GMT+7).
- Quality & Export Packaging: All marine equipment undergoes pre-dispatch inspection and is packed in shock-absorbent, weather-resistant cartons or reinforced export-grade wooden crates for heavy machinery.
Estimated Delivery Timeframes & Shipping Rates
| Destination Region | Handling Time | Estimated Transit Time | Shipping Cost |
|---|---|---|---|
| United States, Europe, Canada, Australia & International | 1 – 2 Business Days | 7 – 14 Business Days (Total: 8 – 16 Business Days) | FREE Shipping on orders $500+ ($90 Flat Rate under $500) |
| Domestic Delivery (Nationwide) | 1 – 2 Business Days | 2 – 5 Business Days | FREE Standard Shipping |
Approved Logistics Carriers & Real-Time Tracking
- Express Air & Freight Carriers: Dispatched via DHL Express, FedEx, UPS, or specialized international air/ocean freight forwarders for oversized marine engines and generators.
- Real-Time Shipment Tracking: A confirmation email with your official tracking number and carrier portal link is sent automatically upon dispatch.
- Customs & Import Duties (DAP): International shipments are sent on a Delivered at Place (DAP) basis; any local destination import duties or taxes are determined by your country's customs authority.
For full details, please review our Shipping & Delivery Policy or 30-Day Return & Refund Policy.
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