Model:
MD11C, MD11D, MD17C, MD17D
Model Variant:
Marine diesel inboard engines
Production Years Covered:
Late 1970s through 1980s (specific years not itemized in manual)
Target Audience:
DIY boat owners and professional marine mechanics
Competitive Advantage:
Comprehensive coverage of all major engine systems with step-by-step procedures and troubleshooting charts
Key Features:
Hundreds of illustrations, detailed repair and maintenance instructions, advanced troubleshooting
Engine Mechanical:
Cylinder head, block, pistons, crankshaft, bearings, camshaft, timing gears
Fuel System:
Injection pump, injectors, fuel filters, fuel lines, tank connections
Cooling System:
Raw water pump, heat exchanger, thermostat, cooling passages
Electrical System:
Alternator, starter motor, wiring, sensors, gauges
Lubrication System:
Oil pump, oil filter, pressure relief valve, oil cooler
Exhaust System:
Exhaust manifold, riser, muffler, piping
Transmission and Drive:
Marine gear, propeller shaft coupling, controls
Engine Mounts:
Flexible mounts, alignment procedures
Diagnostic Procedures:
Troubleshooting charts for common symptoms and faults
Removal and Installation:
Engine removal, disassembly, reassembly, installation
Overhaul Procedures:
Complete engine rebuild with measurements and tolerances
Adjustments:
Valve clearance, injection timing, belt tension, idle speed
Testing:
Compression test, oil pressure test, cooling system pressure test
Wiring Diagrams:
Electrical schematics for charging and starting circuits
Detail Level:
Step-by-step instructions with illustrations and specifications
Illustrations:
Hundreds of detailed images and diagrams
Troubleshooting:
Advanced charts for systematic fault finding
Specifications:
Torque values, clearances, wear limits, fluid capacities
Part Identification:
Exploded views and part numbers for major components
Ordering Information:
Reference to Volvo Penta parts catalogs
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Models:
MD11C, MD11D, MD17C, MD17D
Engine Type:
Four-stroke marine diesel, indirect injection
Configuration:
Inline-2 and inline-3 cylinder
Displacement:
MD11: 1.1 L (approx. 67 CID); MD17: 1.7 L (approx. 104 CID)
Bore and Stroke:
N/A - not specified in provided description
Valve Train:
Overhead valve (OHV), gear-driven camshaft
Power Output:
MD11C/D: 23-28 hp; MD17C/D: 35-40 hp (dependent on RPM and application)
Torque:
N/A - not specified in provided description
Rated Speed:
2500-3000 RPM (typical marine diesel range)
Cooling System:
Freshwater cooling with heat exchanger
Injection System:
Mechanical indirect injection
Fuel Filtration:
Primary and secondary filters
Standard Transmission:
Volvo Penta MS marine gear (mechanical)
Optional Transmission:
Volvo Penta MSB marine gear (hydraulic)
Control Type:
Single-lever or dual-lever mechanical controls
Reduction Ratio:
Various ratios available (e.g., 1.5:1, 2.0:1, 2.5:1) depending on propeller and application
Oil Capacity:
N/A - not specified in provided description
Cooling:
Oil cooler integrated with engine cooling system
Wheelbase:
N/A - not applicable to marine engines
Length:
MD11: approx. 700 mm; MD17: approx. 850 mm (dependent on transmission)
Width:
Approx. 500-600 mm
Height:
Approx. 700-800 mm
Dry Weight:
MD11: approx. 200 kg; MD17: approx. 260 kg (with transmission)
Curb Weight:
N/A - not applicable to marine engines
Audio System:
N/A - not equipped with infotainment
Instrumentation:
Analog gauges for RPM, temperature, oil pressure, and charging
Alarms:
Audible alarms for critical conditions
Oil and Filter Change:
Every 100-200 hours or annually
Fuel Filter Replacement:
Every 200-400 hours or as needed
Coolant Change:
Every 2 years or 1000 hours
Impeller Replacement:
Annually or every 200 hours
Valve Clearance Check:
Every 400 hours
Engine Oil:
SAE 15W-40 API CD or better (marine diesel)
Coolant:
Ethylene glycol antifreeze mixed 50/50 with water
Transmission Oil:
Volvo Penta marine gear oil (specific grade per transmission model)
Common Wear Items:
Raw water pump impeller, fuel injectors, exhaust manifold corrosion, engine mounts
Preventive Maintenance:
Regular flushing of cooling system, fuel system bleeding, anode replacement
Manufacturer:
Volvo Penta, a division of Volvo Group
Established:
1907 as a marine engine manufacturer
MD11 Series:
Introduced in the late 1970s as a reliable, compact marine diesel
MD17 Series:
Introduced as a higher-displacement option for larger vessels
Global Use:
Widely used in sailboats, motorboats, and auxiliary applications
