Manufacturer:
MAN (Maschinenfabrik Augsburg-Nurnberg)
Engine Family:
D2848 / D2840 / D2842 LE 2
Model Variant:
LE 2 series industrial diesel
Production Years Covered:
As documented in the manual; specific year range not stated - refer to manual index
Application Type:
Industrial / off-highway (generator sets, marine, construction, agricultural, mining)
Engine Configuration:
V-type, four-stroke diesel, turbocharged and aftercooled
Target Audience:
Industrial fleet operators, marine engineers, power generation technicians, heavy equipment repair shops
Competitive Advantage:
MAN engines are known for high power density, long service life between overhauls, and excellent fuel efficiency in continuous-duty industrial applications
Usage Profile:
Continuous or intermittent duty in demanding off-road and marine environments
Design:
Robust V-bank construction with individual cylinder heads
Cooling:
Liquid-cooled with integrated coolant circulation
Aspiration:
Turbocharged with charge-air cooling
Fuel System:
Direct injection, mechanically governed
Manual Type:
Factory-style service and repair manual
Coverage Areas:
Complete engine assembly, disassembly, inspection, repair, and reassembly
Page Count:
Varies by edition - see product listing for current PDF page count
Format:
PDF (digital download)
Delivery Method:
Instant download after purchase
Tables and Specifications:
Includes technical data, torque values, wear limits, and clearances
Illustrations:
Detailed exploded views, cross-sections, and step-by-step photographs
Applicability:
Covers D2848, D2840, and D2842 LE 2 industrial diesel engine variants
General Engine Data:
Identification, specifications, torque figures, and service limits
Cylinder Head and Valve Train:
Removal, inspection, valve seat and guide service, assembly
Cylinder Block and Liners:
Bore inspection, liner replacement, deck surface check
Crankshaft and Bearings:
Main and connecting rod bearing inspection, end play, journal wear limits
Pistons and Connecting Rods:
Piston clearance, ring end gap, pin fit, rod alignment
Camshaft and Timing:
Gear train or timing component service and timing marks
Lubrication System:
Oil pump, pressure regulation, oil cooler, filter assembly
Cooling System:
Water pump, thermostat, coolant routing, radiator service notes
Fuel System:
Injection pump mounting, injector removal and testing, fuel lines and filters
Turbocharger:
Removal, inspection, clearances, and installation notes
Air Induction and Exhaust:
Intake manifolds, aftercooler, exhaust manifold and turbo mating
Diagnostic Procedures:
Troubleshooting charts for starting, performance, and abnormal noise issues
Removal and Installation:
Engine extraction and reinstallation in industrial applications
Disassembly and Reassembly:
Step-by-step tear-down and build-up with torque sequences
Repair Operations:
Machining limits, cleaning, and component reconditioning
Technical Depth:
Written for experienced technicians; includes precise measurements and clearances
Parts Information:
Component identification, part names, and specification tables; actual part numbers may not be listed
Electrical and Accessories
Electrical System:
Alternator, starter, sensors, and wiring schematics where applicable
Governor and Control:
Mechanical governor adjustments and linkage setup
Special Tools:
References to required tooling for disassembly and measurement
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 Family:
MAN D2848 LE 2, D2840 LE 2, D2842 LE 2
Configuration:
Four-stroke V-type diesel, turbocharged and charge-air cooled
Cylinder Counts:
V8 (D2848), V10 (D2840), V12 (D2842)
Displacement Range:
Approximately 14.6 L to 21.9 L across the family
Power Output Range:
Approximately 400 to 1,000+ kW depending on variant and rating - exact figures vary by application
Fuel System:
Direct injection with mechanical governor; in-line or distributor-type injection pump (variant dependent)
Aspiration:
Exhaust-gas turbocharger with charge-air cooling
Standard Transmission:
N/A - industrial diesel engine supplied as power unit; transmission selected by equipment manufacturer
Optional Transmission:
N/A - not a vehicle-specific powertrain
Flywheel Housing:
SAE-standard flywheel housing and flywheel options for driven equipment
Power Take-Off:
Front and rear PTO provisions depending on variant
Features:
Engine-mounted or remote-mounted transmission controls per OEM installation
Length:
Varies by cylinder count and accessory fitment - see manual specification tables
Width:
Varies by variant and accessory fitment
Height:
Varies by variant and accessory fitment
Wheelbase:
N/A - not applicable to engine assembly
Dry Weight:
Approximately 1,000 to 2,000 kg depending on cylinder count and configuration
Curb Weight:
N/A - engine only, no vehicle curb weight
Crash Test Ratings:
N/A - not applicable to industrial engine
Emissions Compliance:
Varies by build year and regulated market - check engine data plate
Active Features:
Overspeed protection, low oil pressure shutdown, high coolant temperature shutdown (application dependent)
Passive Features:
Guards and shields for rotating components as supplied by OEM
Warning Devices:
Audible and visual alarms available through equipment control panel
Governor:
Mechanical or electronic governor depending on variant and rating
Monitoring:
Sensors for oil pressure, coolant temperature, and engine speed
Infotainment and Driver Assistance
Infotainment:
N/A - not applicable to industrial engine
Driver Assistance:
N/A - not applicable to industrial engine
Charging System:
Alternator options matched to application electrical load
Starting System:
Electric starter with battery voltage per installation requirement
Oil and Filter Change:
Per MAN maintenance schedule; typically 250 to 500 hours depending on duty and oil quality
Fuel Filter Change:
Per schedule; more frequent in poor fuel quality conditions
Coolant Service:
Per schedule with correct coolant concentration and inhibitor level
Valve Adjustment:
At specified intervals; check manual for cold-setting values
Engine Oil:
Refer to manual for MAN-approved viscosity and performance classification based on ambient temperature
Coolant:
Ethylene glycol coolant with corrosion inhibitor at manufacturer-recommended concentration
Fuel:
Diesel fuel per applicable regional standard (e.g., EN 590 or equivalent)
Known Issues and Wear Items
Common Wear Items:
Injectors, turbocharger, water pump, belts, hoses, and gaskets
Inspection Points:
Oil consumption, coolant leaks, exhaust smoke, and abnormal noise
Overhaul Interval:
Typically 10,000 to 20,000 hours depending on load factor and maintenance quality
Manufacturer:
MAN SE / MAN Truck & Bus, Germany
Engine Legacy:
MAN has produced heavy-duty industrial and marine diesel engines for decades, with the D28 series serving as a workhorse in power generation and marine propulsion
Series Development:
The D2848, D2840, and D2842 LE 2 represent the second evolution (LE 2) of MAN's V-engine industrial line
Production Location:
MAN engine plants in Germany; specific plant per build documented on engine data plate
