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ZF 12M 2.14:1 Marine Gearbox
Driving light displacement hulls, the 13 kg ZF 12M mechanical marine reverse gearbox delivers a 2.14:1 parallel offset reduction, handling 55 HP input at 4500 RPM for small recreational pleasure craft.
- 2.14:1 reduction steps down engine speed.
- Parallel offset design saves engine room.
- Mechanical cone clutch engages without hydraulics.
- Input speed handles up to 5000 RPM.
- Compact alloy casing weighs 13 kg.
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Description
Match a light-displacement drivetrain with the ZF 12M 2.14:1 Marine Gearbox. This marine gearbox is specified for light displacement hulls, with a 2.14:1 reduction ratio and a parallel output configuration with offset.
Model ZF12M-214 uses a mechanical cone clutch and has a maximum pleasure-use input rating of 55 HP (41 kW) at 4,500 RPM. Its maximum input speed is 5,000 RPM. The supplied service data lists ATF Dexron II or III, a 0.08-gallon (0.30-liter) oil capacity, and a dry weight of 28.6 lb (13 kg).
Key Features of ZF 12M
- 2.14:1 reduction ratio identifies the listed speed-reduction configuration for drivetrain matching.
- Parallel output with offset defines the supplied output-shaft arrangement.
- 55 HP (41 kW) maximum pleasure-use input rating at 4,500 RPM provides the stated power limit.
- 5,000 RPM maximum input speed defines the listed operating-speed limit.
- Mechanical cone clutch identifies the specified clutch design.
- ATF Dexron II or III is the listed service oil type.
- 0.08-gallon (0.30-liter) oil capacity provides the stated lubricant fill quantity.
- 28.6 lb (13 kg) dry weight supports installation and handling planning.
- Specified use with light displacement hulls helps identify the intended vessel category.
Fitment and Propulsion Use
The ZF 12M-214 is specified for light displacement hulls. It supports propulsion systems requiring a 2.14:1 reduction ratio and a parallel offset output configuration. The supplied product data lists a pleasure-use power rating but does not provide a continuous-duty power rating. Confirm fitment using the engine model, serial number, rated torque, operating RPM, reduction ratio, and manufacturer drivetrain documentation before ordering.
Installation and Service Considerations
Verify that the parallel offset output configuration, 2.14:1 reduction ratio, 55 HP pleasure-use input rating at 4,500 RPM, and available installation geometry match the vessel drivetrain. Use only the listed ATF Dexron II or III oil and 0.08-gallon oil capacity as directed by the manufacturer’s documentation. Follow the engine and gearbox manufacturer’s installation manuals and product instructions for alignment, lubrication, controls, cooling connections, and service procedures.
Before Ordering the ZF 12M
Verify that ZF Marine model ZF12M-214 is suitable for your light-displacement-hull propulsion system. Confirm the 2.14:1 reduction ratio, parallel offset output configuration, 55 HP (41 kW) maximum pleasure rating at 4,500 RPM, 5,000 RPM maximum input speed, mechanical cone clutch, ATF Dexron II or III oil requirement, 0.08-gallon (0.30-liter) oil capacity, and 28.6 lb (13 kg) dry weight. Confirm compatibility with your engine manufacturer’s documentation before purchase.
ZF 12M Marine Gearbox - 2.14:1 Ratio
| Brand | ZF Marine |
| Model / SKU | ZF12M-214 |
| Country of Origin | Italy / Germany |
| Reduction Ratio | 2.14:1 |
| Max Input Power (Pleasure) | 55 HP (41 kW) @ 4500 RPM |
| Max Input Speed | 5000 RPM |
| Clutch Type | Mechanical Cone Clutch |
| Output Configuration | Parallel (Offset) |
| Oil Capacity | 0.30 Liters (0.08 Gallons) |
| Oil Type | ATF (Dexron II or III) |
| Dry Weight | 28.6 lbs (13 kg) |
| Primary Application | Light Displacement Hulls |
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