Fuel system Non-return fuel valve Electronic Unit Injectors Fuel pre-filter with water separator and water-in-fuel

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1 VOLVO PENTA INDUSTRIAL DIESEL TAD940GE 265 (355 bhp) at 1500 rpm, 273 (366 bhp) at 1800 rpm, acc. to ISO 3046 The TAD940GE is a powerful, reliable and economical Generating Set Diesel Engine built on the dependable Volvo inline six design. Durability & low noise Designed for the easiest, fastest and most economical installation. Well balanced to produce smooth and vibration-free operation with low noise level, featured with high torque. To maintain a controlled working temperature in cylinders and combustion chambers, the engine is equipped with piston cooling. The engine is also fitted with replaceable cylinder liners and valve seats / guides to ensure maximum durability and service life of the engine. Operational economy and Low exhaust emission The state of the art, high-tech injection and air charging system with low internal losses contributes to excellent combustion and low fuel consumption. The TAD940GE complies with EUstage 2 and TA-luft exhaust emission regulations. Easy service & maintenance Easily accessible service and maintenance points contribute to the ease of service of the engine. Technical description Engine and block Optimized cast iron cylinder block with optimum distribution of forces without the block being unnecessary heavy. Wet, replaceable cylinder liners Piston cooling for low thermal load on pistons and reduced ring temperature Tapered connecting rods to reduce risk of piston cracking Crankshaft induction hardened bearing surfaces and fillets with seven main bearings for moderate load on main and big-end bearings Nitrocarburized transmission gears for heavy duty operation Keystone top compression rings for long service life Viscous type crankshaft vibration damper Replaceable valve guides and valve seats Over head camshaft and four valves per cylinder equipped with camshaft damper to reduce noise and vibrations. Lubrication system Full flow oil cooler Full flow disposable spin-on oil filters, for extra high filtration The lubricating oil level can be measured during operation (Standard dipstick only) Gear type lubricating oil pump, gear driven by the transmission Fuel system Non-return fuel valve Electronic Unit Injectors Fuel pre-filter with water separator and water-in-fuel indicator / alarm Gear driven low-pressure fuel pump Fuel pressure switch Self de-aerating system. When replacing filters all fuel stays in the engine. Turbo charger Efficient and reliable turbo charger Extra oil filter for the turbo charger Cooling system Air to air intercooler Belt driven, maintenance-free coolant pump with high degree of efficiency Coolant filter as standard Fan hub Fan & belt guard Efficient cooling with accurate coolant control through a water distribution duct in the cylinder block. Reliable sleeve thermostat with minimum pressure drop Tropical radiator Radiator guard Pusher type fan Electrical system Engine Management System 2 (EMS 2), an electronically controlled processing system which optimizes engine performance. It also includes advanced facilities for diagnostics and fault tracing The instruments and controls connects to the engine via the CAN SAE J1939 interface and the Control Interface Unit (CIU). The CIU converts the digital CAN bus signal to an anolog signal, making it possible to connect a variety of instruments. Sensors for oil pressure, oil temp, boost pressure, boost temp, coolant temp, fuel temp, water in fuel, fuel pressure and two speed sensors. Crank case pressure, oil level and air filter pressure droop sensors Alternator 24V / 80A

2 TAD940GE Technical Data General Engine designation...tad940ge No. of cylinders and configuration...in-line 6 Method of operation... 4-stroke Bore, mm (in.) (4.72) Stroke, mm (in.) (5.43) Displacement, l (in³) (571) Compression ratio :1 Dry weight, kg (lb) (2238) Dry weight with Gen Pac, kg (lb) (2986) Wet weight, kg (lb) (2348) Wet weight with Gen Pac, kg (lb) (3096) Performance 1500 rpm 1800 rpm with fan, (bhp) at: 240 (322) 246 (330) Max 265 (355) 273 (366) Lubrication system 1500 rpm 1800 rpm Oil consumption, l/h (US gal/h) at: 0.05 (0.012) 0.05 (0.013) Max 0.05 (0.013) 0.05 (0.014) Oil system capacity incl filters, liter (US gal)...33 (8.7) Fuel system 1500 rpm 1800 rpm Specific fuel consumption at:, g/h (lb/hph) 25% 230 (0.373) 242 (0.392) 50% 206 (0.334) 214 (0.347) 75% 197 (0.319) 203 (0.329) 100% 201 (0.326) 205 (0.332) Max, g/h (lb/hph) 25% 227 (0.368) 239 (0.388) 50% 203 (0.329) 210 (0.341) 75% 197 (0.319) 202 (0.328) 100% 204 (0.330) 204 (0.330) Intake and exhaust system 1500 rpm 1800 rpm Air consumption, m³/min (cfm) at: 18.1 (638) 21.7 (765) Max 20.0 (705) 23.2 (820) Max allowable air intake restriction, (In wc): 5 (20.1) 5 (20.1) Heat rejection to exhaust, (BTU/min) 216 (12284) 223 (12682) Exhaust gas temperature after turbine, C ( F) 488 (910) 429 (804) Max allowable back-pressure in exhaust line, (In wc) 10.0 (40.2) 10.0 (40.2) Exhaust gas flow, m³/min (cfm) 49.6 (1750) Standard Equipment Engine Gen Pac Engine Automatic belt tensioner Lift eyelets Flywheel housing with conn. acc. to SAE 1 Flywheel for 14 flex. plate and flexible coupling Vibration dampers Engine suspension Fixed front and rear suspension Lubrication system Oil dipstick Full-flow oil filter of spin-on type By-pass oil filter of spin-on type Oil cooler, side mounted Low noise oil sump Fuel system Fuel filters of disposable type Electronic unit injectors Pre-filter with water separator and water-in-fuel indicator/alarm Intake and exhaust system Air filter without rain cover Air filter with replaceable paper insert Air restriction indicator Air cooled exhaust manifold Connecting flange for exhaust pipe Exhaust flange with v-clamp Turbo charger, high right side Cooling system Tropical radiator incl intercooler Belt driven coolant pump Fan hub Thrust fan Fan guard Belt guard Control system Engine Management System 2 (EMS 2) with CAN-bus interface SAE J1939 Alternator Alternator 80A / 24V Starting system Starter motor, 5.5, 24V Connection facility for extra starter motor Instruments and senders Temp. and oil pressure for automatic stop/alarm Engine Packing Plastic wrapping optional equipment or not applicable included in standard specification Dimensions TAD940GE Not for installation Note! Not all models, standard equipment and accessories are available in all countries. All specifications are subject to change without notice. The engine illustrated may not be entirely identical to production standard engines. Power Standards The engine performance corresponds to ISO 3046, BS 5514 and DIN The technical data applies to an engine without cooling fan and operating on a fuel with calorific value of 42.7 MJ/kg (18360 BTU/lb) and a density of 0.84 kg/litre (7.01 lb/us gal, 8.42 lb/lmp gal), also where this involves a deviation from the standards. Exhaust emissions The engine complies with EU stage 2 emission legislation according to the Non Road Directive EU 97/68/EEC. The engine also complies with TA-luft exhaust emission regulations. Rating Guidelines PRIME POWER rating corresponds to ISO Standard Power for continuous operation. It is applicable for supplying electrical power at variable load for an unlimited number of hours instead of commercially purchased power. A10 % overload capability for govering purpose is available for this rating. MAXIMUM STANDBY POWER rating corresponds to ISO Standard Fuel Stop Power. It is applicable for supplying standby electrical power at variable load in areas with well established electrical networks in the event of normal utility power failure. No overload capability is available for this rating. 1 bhp = 1 x AB Volvo Penta SE Göteborg, Sweden English AB Volvo Penta.

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5 General In-line four stroke diesel engine with direct injection. Rotation direction, anti-clockwise viewed towards flywheel. Turbocharged Number of cylinders 6 Displacement, total Firing order litre in 3 9,36 571, Bore Stroke mm in mm in 120 4, ,43 Compression ratio 20,2 Dry weight Engine only, excluding cooling system GenPac kg lb kg lb Wet weight Engine only, excluding cooling system GenPac kg lb kg lb Performance without fan hp with fan hp without fan hp with fan hp without fan hp with fan hp Torque at: Nm lbft Nm lbft Mean piston speed m/s 6,9 8,3 ft/sec 22,7 27,2 Effective mean pressure at: MPa 2,4 2,1 psi Effective mean pressure at: MPa 2,2 1,9 psi Max combustion pressure at: MPa 18 19,8 psi Max combustion pressure at: MPa psi Total mass moment of inertia, J (mr2) kgm 2 lbft 2 2,60 61,7 Degree of irregularity at: 1:40 1:69 Friction Power hp 38,08 51,68

6 Engine noise emission Test Standards: ISO (E) sound power (without fan, intake and exhaust noise) Tolerans ± 0.75 db(a) Measured sound power Lw No load db(a) 108,2 109,6 db(a) 110,3 112,1 db(a) 110,1 111,9 Calculated sound pressure Lp at 1 m No load db(a) db(a) db(a) Unsilenced exhaust noise Data calculated as sound pressure Lp. Assumed microphone distance 1 m db(a) db(a) Test conditions for load acceptance data Warm engine. Generator Modell Type of AVR Stamford HCI444F SX440 AVR Load acceptance performance can vary due to actual alternator inertia, voltage regulator, type of load and local ambient conditions. UFRO: STD-setting 47 / 57 Hz Single step load performance at 1500 rpm Load (%) Speed diff (%) Recovery time (s) Remaining load Speed diff (%) Recovery time (s) Prime Standby Prime Standby (%) Prime Standby Prime Standby ,5 0, ,7 7, ,1 1, ,1 5, ,8 1, ,5 5, ,1 3, ,3 4,9 0-x 10,0 x x 10,0 x ,4 1,3 Single step load performance at 1800 rpm Load (%) Speed diff % Recovery time (s) Remaining load Speed diff (%) Recovery time (s) Prime Standby Prime Standby (%) Prime Standby Prime Standby ,8 1, ,6 5, ,7 1, ,9 4, ,2 1, ,4 3, ,7 6, ,9 2, ,0 9, ,2 1,7 0-x 10,0 x x 10,0 x Cold start performance Time from start to no load speed at ambient C 15 s 4,5 5,1 temperature: 0 s 6,0 6,8-20* s 12,5 14,3 Time from start to stay within 0.5% of no load C 15 s 4,5 5,1 speed at ambient temperature: 0 s 6,0 6,8-20* s 12,5 14,3 * With manifold heater 4 engaged, lubrication oil 15W/40 and block heater. Usage of manifold heater: Time preheating Time postheating 25 sec 100 sec Block heater type Make Power Engaged hours Cooling water temp engine block Block mounted Calix 1,5

7 Lubrication system Lubricating oil consumption liter/h 0,03 0,04 US gal/h 0,009 0,009 liter/h 0,03 0,03 US gal/h 0,008 0,008 Oil system capacity including filters liter US gal 35 9,2 Oil sump capacity: max liter US gal 30 7,9 min liter US gal 22 5,8 Oil change intervals/specifications: VDS-2* VDS, ACEA, E3* ACEA E2, API CD, CF, CF-4, CG-4* h h h Engine angularity limits: front up 30 front down 30 Oil pressure at rated speed side tilt psi Lubrication oil temperature in oil sump: max C F Oil filter micron size mm 0,040 * See also general section in the sales guide Fuel system 25% g/h Specific fuel consumption at: lb/hph 0,368 0,388 50% g/h lb/hph 0,329 0,341 75% g/h lb/hph 0,319 0, % g/h lb/hph 0,330 0,330 25% g/h Specific fuel consumption at: lb/hph 0,373 0,392 50% g/h lb/hph 0,334 0,347 75% g/h lb/hph 0,319 0, % g/h lb/hph 0,326 0,332

8 Fuel system Fuel to conform to ASTM-D975-No1 and 2-D JIS KK 2204, EN 590 System return flow System supply flow at rated speed Fuel supply line max restriction Fuel supply line max pressure, engine stopped Fuel return line max restriction Maximum allowable inlet fuel temp Prefilter / Water separator liter/h US gal/h liter/h US gal/h psi psi psi C F mm 36 9,5 108,0 28,5 10,0 1,5 0,0 20,0 2, ,005 Governor type/make, standard EMS2 Injection pump type/make Unit injector / Delphi Intake and exhaust system Air consumption at: m 3 /min 20,0 23,2 cfm m 3 /min 18,1 21,7 cfm Air intake restriction, clean filter(s) 2 2 in wc 8,0 8,0 Max allowable air intake restriction 5 5 in wc 20,1 20,1 Air filter type Single stage paper cartridge Air filter cleaning efficiency % 99,85 Heat rejection to exhaust at: BTU/min Exhaust gas temperature after turbine at: BTU/min C o F o C Max allowable back pressure in exhaust line o F In wc 40,2 40,2 Exhaust gas flow at: m 3 /min 49,6 52,7 cfm m 3 /min cfm

9 Cooling system Heat rejection radiation from engine at: BTU/min Heat rejection to coolant at: BTU/min BTU/min BTU/min Coolant Volvo coolant or Volvo anticorrosion additive together with clean fresh water Radiator cooling system type Closed circuit Standard radiator core area Standard radiator core thickness Fan diameter Fan power consumption m² foot² mm in mm in 0,8 8, , , hp Fan drive ratio 1:1,01 Coolant capacity, Coolant pump engine std radiator with hoses liter US gal liter US gal drive/ratio 17 4, ,34 belt/1,50:1 Coolant flow with standard system l/s 5,5 6,5 US gal/s 1,45 1,72 Minimum coolant flow l/s 5,3 6,2 US gal/s 1,40 1,64 Maximum external coolant system restriction, including piping in wc Thermostat Maximum static pressure head (expansion tank height + pressure cap setting) Minimum static pressure head (expansion tank height + pressure cap setting) start to open C F fully open C F in wc in wc in wc C F C F % of total cooling system capacity Standard pressure cap setting 70 Maximum top tank temperature Minimum temperature entering engine 68 Draw down capacity

10 Intercooler system Cooling power BTU/min BTU/min Combustion air mass flow BTU/min kg/s 0,39 0,47 kg/s 0,36 0,44 Combustion air inlet temp. kg/s C F C F Combustion air outlet temp. C F C F C F C F Maximum pressure droop over intercooler, incl. piping Boost pressure psi psi 5 0, ,36 Standard intercooler core area Standard intercooler core thickness m² foot² mm in 0,89 9, ,68

11 Cooling performance Fan ratio 1:1,01 Cooling air flow and external restriction at different radiator air temperatures based on 103 C TTT and 50% antifreeze (radiator and cooling fan, see optional equipment) Engine speed Air on PRIME POWER STANDBY POWER rpm temp Air flow External restriction Air flow External restriction C kg/s Pa kg/s Pa ,4 3,9 4,6 5,0 5,7-7, ,6 4,1 4,9 5,4 6,1 7, ,9 4,4 5,2 5,7 6,4-8, ,3 4,8 5,6 6,2 7,0 8, Cooling performance Fan ratio 1:0,9 Cooling air flow and external restriction at different radiator air temperatures based on 103 C TTT and 50% antifreeze (radiator and cooling fan, see optional equipment) Engine speed Air on PRIME POWER STANDBY POWER rpm temp C Air flow kg/s External restriction Pa Air flow kg/s External restriction Pa , , , , , , , , , , , , , , , , , , , , , , , ,7 0

12 Engine management system Functionality Governor mode Governor droop Governor response Dual speed Idle speed Fine speed adjustment Stop function Preheating function Lamp test Alternatives Isochronous/droop Switchable during operation 0-8% 1500 / 1800 rpm rpm Energized to run / stop On ignition / Preheat on request ON/OFF Default setting Isochronous 0 % (4 % when switched) According to customer 900 rpm ±120 rpm Energized to stop Preheat on request ON Engine protection Alarm level Parameter Unit Setting range Default setting Oil temp C Oil pressure Low idle rpm rpm 300 Oil level Low level Piston cooling pressure >1000 rpm Coolant temp C Coolant level Low level Fuel feed Low idle 150 pressure >1400 rpm 300 Water in fuel Water in fuel Crank case pressure Increased pressure Air filter pressure droop Altitude, above sea m Engine protection Action. Level Default/Alternative Setting +3 Shut down. ON/OFF 130 Shut down. ON/OFF 220 Shut down. ON/OFF 270 Shut down. ON/OFF Low level Shut down. ON/OFF Setting +5 Low level Increased pressure >1500 Shut down. ON/OFF Shut down. ON/OFF Shut down. ON/OFF Automatic derating, see section derating Charge air temp C Charge air pressure Engine speed rpm % of rated speed % of rated speed +5 Shut down. ON/OFF 380 Shut down. ON/OFF Alarm level Shut down. OFF/ON

13 Electrical system Voltage and type Alternator: Starter motor make/output tacho output drive ratio 24V / insulated from earth Amp Bosch/80 Hz/alt. Rev 6 4,5 make Melco type 90P55 5,5 Amp N/A Amp Amp Amp rpm 140 Ah 2x A DIN Ah 2x A DIN Amp 1 Starter motor solenoid, pull current hold current Number of teeth on: flywheel starter motor Inrush current at +20 C 1000 Cranking current at +20 C Crank engine speed at 20 C Starter motor battery capacity: max min at +5 C Inlet manifold heater (at 20 V) 4,0 Power relay for the manifold heater Power take off Front end in line with crank shaft max: Nm lbft TVC necessary Front end belt pulley load. Direction of load viewed from max left flywheel side: hp max down hp max right hp Timing gear at compressor PTO max: Speed ratio direction of rotation viewed from flywheel side Nm lbft ,29:1/clockwise Timing gear at servo pump PTO max: Speed ratio direction of rotation viewed from flywheel side Nm lbft 1,58:1/clockwise Timing gear at hydraulic pump PTO max: Speed ratio direction of rotation viewed from flywheel side Nm lbft Max allowed bending torque in flywheel housing Max. rear main bearing load Nm lbft N lbf ,4

14 Technical Data TAD940GE BSU calculated value 0,7 Smoke Emission (measured according to ISO 10054) 0,6 0,5 0,4 0,3 0,2 0, rpm 1800 rpm 1500 rpm 1800 rpm FSN 1,2 Smoke Emission according to ISO ,8 0,6 0,4 0, rpm 1800 rpm 1500 rpm 1800 rpm

15 Technical Data TAD940GE l/h 80 Fuel Consumption rpm 1500 rpm 1800 rpm 1800 rpm 35% Derating of power 30% 25% 20% 15% 10% 5% 0% Altitude

16 db (A) 110 Sound power level engine body 1/3 octave band analysis , ,25 2k 3,15 5k 8 12,5 20k Frequency Hz 1500 rpm 1800 rpm 1500 rpm 1800 rpm 180 Coolant pump capacity and cooling system restriction liter/s Pressure drop over engine Max. allowed pressure drop Pump capacity 1800rpm Pressure drop std. cooling system Pump capacity 1500 rpm