Description
ZF IRM 350 PL 1.58 Gearbox
BRAND: ZF
MODEL: IRM 350 PL
RATIO: 1,580:1
POWER:739 kW (551 HP) @ 2100 RPM
SN 9416580
HS Code: 84836080
NET WEIGHT 300 kg
DIMENSIONS (cm) 100x80x90
The ZF IRM 350 PL with a 1.58:1 (1.580:1) gear ratio is a heavy-duty marine transmission (reverser/gearbox) engineered for commercial or high-performance leisure craft. It typically handles input ratings up to roughly 551 kW (739 HP) at 2100 RPM depending on the duty cycle, utilizing smooth hydraulic multi-disc clutches.
Key Technical Features
- Ratio: 1.580:1 for both ahead and astern operations.
- Power Capacity: Up to ~551 kW / 739 HP @ 2100 RPM (light-duty rating boundaries vary by application).
- Clutch Operation: Hydraulic actuation with reliable control valves.
- Design: Robust cast-iron housing, integrated SAE bell housing, and helical gears optimized for quiet, long-life performance.
- Capabilities: Features identical torque capacity in forward and reverse (ideal for twin-engine setups) plus emergency “get home” functionality
Maintenance & Support
- Cooling & Filtration: Utilizes a replaceable oil filter cartridge and an external or integrated oil cooler/heat exchanger system.
- Applications: Common in commercial workboats, fast patrol boats, and large yachts requiring durable reverse-reduction marine gears.
