Volvo Penta IPS950 Twin D11 Marine Pod Drive Package
Description
Compliant with EPA Tier 3 and IMO Tier II marine emissions standards, the Volvo Penta IPS950 Pod Package powers performance motor yachts with 725BHP at 2,500 RPM. This 10.8L 6-Cylinder system yields 510BHP continuous output at 2,000 RPM. High-pressure unit injectors require 2-micron pre-filtration, and steerable pod gearboxes mandate scheduled drive gear lubrication service.
A structural cast iron block features replaceable wet sleeve liners and an integrated lower ladder subframe to withstand high thrust loads. The single-piece 24-Valve cast iron cylinder head contains direct valve actuation driven by an overhead camshaft. Electrical systems operate on an isolated 24V 2-pole marine ground with a 6.0 kW starter and a 24V 110A alternator. Complete package dimensions span 63.0in long, 37.4in wide, and 41.3in high, weighing 3,968 lbs. Oil pan capacity holds 9.51 US gal.
Key Features of Volvo Penta IPS950
Flybridge yacht builders buy Volvo Penta IPS950 pod drive systems to give 65ft motor yachts joystick docking agility and higher cruising speeds. Naval architects select this pod propulsion platform for commercial workboat diesel engine repower installations in offshore patrol boats.
- Forward-facing DuoProp propellers pull vessels through undisturbed water to maximize propulsive thrust
- Twin-entry turbochargers deliver continuous boost across mid-range cruise RPM bands
- Electronic unit injectors atomize fuel at extreme pressure to stop transom diesel soot buildup
- Steerable pod lower units eliminate separate rudder appendage drag to increase overall cruising range
- CAN-bus EVC-2 joystick steering synchronizes thrust vectors for seamless docking in close quarters
- Centrifugal wet sleeve cylinder liners ensure long engine service life with simple overhaul capabilities
- Multi-groove serpentine belt drives provide positive power transfer to the 24V 110A alternator
Bench Dynamometer Load Test Output
Dynamometer test records confirm 725BHP peak crankshaft output at 2,500 RPM and 510BHP continuous output at 2,000 RPM. Manifold boost pressure reaches 2.25 bar during continuous full-power runs. Freshwater cooling circuits hold engine block temperatures at 185°F under sustained maximum power dyno pulls. Engine oil pressure maintains 65 PSI across operating ranges. Pod mounting interfaces seal directly into molded hull collars. Crankshaft journal runout remains below 0.0005in TIR to protect bearings against deflection fatigue. Exhaust temperatures stay below 1,220°F. Fuel consumption averages 31.5 US gal per hour at cruise rating.
Field Operation Maintenance Service Rules
Electronic joystick helm controls allow smooth vector thrust maneuvers with under 1 lb of hand effort. Do not install this steerable pod drive package in shallow unmapped waterways where submerged groundings breach pod hull collars, or in vessels lacking 2-micron fuel water separator filtration. Operators must replace sacrificial zinc rings and monitor drive lube moisture content.
- Drain engine oil and change spin-on oil filter cartridges every 500 operating hours
- Inspect IPS20 pod gear lube, prop shaft seals, and zinc rings every 250 hours
- Replace the primary 2-micron fuel water separator filter cartridge every 500 engine hours
Factory Warranty Shipment Parts Manifest
Volvo Penta provides a 2-Year limited warranty backed by 3-Year major component structural coverage. The shipment crate contains the D11 diesel engine core, IPS20 steerable pod unit, hull mounting collar ring, 24V 110A alternator, 24V 6.0 kW starter, EVC joystick helm station, and factory technical manuals.
Volvo Penta IPS950 Twin D11 Marine Pod Drive Package Specs
| Manufacturer / Brand | Volvo Penta |
| Model Designation | IPS950 Twin D11 Marine |
| Engine Type | 4-Stroke High-Performance Marine Diesel Steerable Pod Drive Package |
| Cylinder Configuration | Inline-6, 24-Valve SOHC |
| Total Displacement | 10.8 Liters (661 cu in) |
| Bore x Stroke | 123 x 152 mm (4.84 x 5.98 in) |
| Aspiration & Charge Air | Twin-Entry Turbocharger with Water-Cooled Charge Air Intercooler |
| Cooling System Architecture | Tubular Heat Exchanger with Seawater Impeller Circuit and Integrated Transmission Oil Cooler |
| Continuous Power Rating (P1) | 510 BHP (375 kW) @ 2,000 RPM |
| Maximum / Intermittent Power (P3/P4) | 725 BHP (533 kW) @ 2,500 RPM [Crankshaft Power Output] (Rating 5 Pleasure Craft Duty) |
| Fuel Injection Platform | Electronic High-Pressure Unit Injectors (EUI) with EVC-2 Engine Management |
| Cylinder Head Metallurgy | Single-Piece Heavy-Duty Cast Iron Cylinder Head with Direct Cam Followers |
| Cylinder Liners | Replaceable Wet Sleeve Cast Iron Cylinder Liners |
| Flywheel Housing & Flywheel | Volvo Penta IPS20 Direct Hull Integration Interface with Torsional Vibration Isolator |
| Electrical System & Ground | 24V 2-Pole Isolated Marine Ground System with Full CAN-Bus Dynamic Steering |
| Starter & Alternator Output | 24V 6.0 kW Starter / 24V 110A Marine Alternator |
| Lube Oil Sump Capacity | 36.0 Liters (9.51 US gal) |
| Engine Coolant Capacity | 40.0 Liters (10.57 US gal) |
| Dry Weight (excl. gearbox) | 1,145 kg (2,524 lbs) [Complete IPS Pod Package per Unit: 1,800 kg (3,968 lbs)] |
| Overall Dimensions (L x W x H) | 1,600 x 950 x 1,050 mm (63.0 x 37.4 x 41.3 in) |
| Emissions Certification | EPA Marine Tier 3, IMO Tier II, EU RCD Stage II |
| Fuel Compatibility | Ultra-Low Sulfur Diesel (ULSD No. 2), Marine Gas Oil (MGO), B20 Biodiesel |
| Transmission / Outdrive Compatibility | Included Volvo Penta IPS20 Steerable Pod Drive with Forward-Facing Counter-Rotating Twin DuoProp Propellers |
| Factory Warranty Period | 2-Year Limited Factory Warranty with 3-Year Extended Major Components Coverage |
| Application Research | Large luxury flybridge yachts (55-75 ft), offshore express cruisers, performance sportfishing yachts, and custom motor yachts. |












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