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ZF MASSON W 440 Gearbox Marine
Refurbished ZF MASSON W 440 Gearbox Marine 5.077:1 Ratio. This Gearbox is in Perfectly, Nice and Clean Condition.
Description
ZF Masson W 440 (often referenced as the MM W4400) is a highly robust, vertically offset marine reversing gearbox built for heavy-duty workboat applications. It handles continuous, rigorous maritime operations and is highly trusted in commercial fleets.
SPECIFICATION
Model: ZF Masson W 440 / MM W4400
Ratio: 5.077:1
Power/Speed Rating: 972 kW (1303 hp) @ 1800 rpm
Maximum Input Power: Up to 1134 kW (1521 hp) depending on RPM/application
Maximum Input RPM: 2100 RPM
Dry Weight: Approx. 1270 kg (2800 lb)
Type: Vertical offset, reverse-reduction transmission with hydraulically actuated multi-disc clutches
Dimensions: 63.7 x 90.8 x 131 cm
SAE Bell Housing: #0 or #1
DESIGN FEATURES
Heavy Construction: Uses a robust cast iron casing and case-hardened, precisely ground gear teeth for long life and smooth operation.
Emergency "Get Home": Designed with an emergency override mechanism in case of hydraulic failure.
Cooling System: Comes complete with an integrated oil cooler, lube oil pump, and flexible hoses.
Shaft Thrust: Output shaft thrust bearing is purpose-built to take maximum propeller thrust both astern and ahead
KEY FEATURES
Performance: Case-hardened and ground gear teeth designed for long life and smooth operation.
Operational Reliability: Suitable for twin installation (100% rated power ahead and astern) and includes "get home" capability.
Maintenance: Easy onboard maintenance.
Propulsion Compatibility: Suitable for both Fixed Pitch Propellers (FPP) and Controllable Pitch Propellers (CPP).
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