Cummins Engine Model: B 3.9 100 C Curve and Datasheet: FR 92250 PROVISIONAL - CERTIFICATION PENDING
Industrial Engine Data Sheet FR92250 Industrial Performance Curve Engine Model: B 3.9 100 C 100BHP @ 2200rpm Peak Torque: 385 Nm @ 1300rpm Displacement: 3.9 Litre Bore:102mm Aspiration : Turbocharged Configuration:4 Cylinder inline Stroke:120mm Fuel System : BOSCH INDIA 400 SPEED TORQUE TORQUE (Nm) 375 350 325 300 275 250 900 1100 1300 1500 1700 1900 2100 2300 ENGINE SPEED (RPM) (RPM) (Nm) 2200 324 2000 342 1800 361 1600 375 1500 381 1400 384 1300 385 1200 381 1100 368 1000 364 80 SPEED POWER POWER (kw) 70 60 50 40 30 20 900 1100 1300 1500 1700 1900 2100 2300 ENGINE SPEED (RPM) (RPM) (kw) 2200 75 2000 71 1800 68 1600 63 1500 60 1400 56 1300 52 1200 48 1100 42 1000 38 PEAK TORQUE : 385 Nm @ 1300 RPM Curves shown above represent gross engine performance capabilities obtained and corrected in accordance with ECE R 24 and CMVR 115 (9) conditions. PRODUCT ENGINEERING ALL VALUES MAY VARY WITHIN 5%
C ummins Cummins GENERAL Reference.................. TURBOCHARGED Certification..................... CMVR 96 (TBD) Data on this sheet refers to installation diagram Weight Dry : kg ( with flywheel and alternator, but less starter and aircompressor )...... 319 Weight Wet : kg........................ 338 Compression Ratio :........................ 17.6 : 1 C. G. Distance from F.F.O.B mm.................. 262 C. G. Distance above crank center line : mm............... 160 Maximum Bending moment at R. F. O. B : Nm............... 1356 Thrust bearing load limit. Maximum intermittent : N.................. 3425 Maximum continious : N.................. 1112 PERFORMANCE DATA Idle Speed : rpm..................... 850 Maximum no load geverned speed : rpm.................. 2450 Maximum overspeed capability rpm (15 secs max) :............... 3750 Close throttle torque @ 700 rpm : Nm............... 224 When using Exhaust Brakes...................... Exhaust pressure, at 2750 rpm, at turbo outlet must not exceed : kpa......... TBD Brake blade must have orifice to control exhaust pressure............. TBD Approximate engine retardation : kw.................. TBD Boost Pressure @ 2200 rpm and full load : kpa............... 150 ENG INTAKE EXHAUST EXHAUST COOLANT COOLENT FRICTION SPEED AIR FLOW FLOW TEMP FLOW HEAT REJ POWER RPM Lit/Sec Lit/sec. Deg C l / min kw kw 2200 112 261 506 180 47.50 12.2 1500 63 165 525 120 38.30 6.7 EMISSION DATA Weighted specific Nox per ISO 8178..( gm/kwh)............... 6.24 Limit for CMVR 96 - Nox ( gm/kwh)............... 14
Engine Model: B 3.9 100C 100 BHP @ 2200rpm Peak Torque: 385 Nm @ 1300rpm LUBRICATION SYSTEM Oil Pan capacity : Sump + Filters (Ltrs)................... 9 Angularity low oil level : Deg Front up : 45 Rear up : 45 F/pump side up : 45 Exh side up: 45 (Value stated are for intermittent operation) Normal operating oil pr. Range (kpa)................. 69-345 Max sump oil temp (deg C)................... 127 Min engine oil Pr. Engine protection devices - at rated speed & load (kpa) 276 - at low idle ( kpa) 69 AIR INTAKE SYSTEM Max. temperature rise between ambient air and turbo air inlet : Deg C........ 17 Maximum intake restriction with heavy duty air cleaner,........ Clean Element: mm H2O................. 381 Dirty element: mm H2O................. 635 EXHAUST SYSTEM Maximum back pressure imposed by piping and silencer : mm Hg........... 50 Exhaust pipe size normally acceptable : mm dia.............. 75 FUEL SYSTEM Maximum restriction at fuel lift pump with clean filter : mm Hg........... 97 Maximum return line restriction : mm Hg................. 510 Maximun fuel intake temperature: deg C................. 71 COOLING SYSTEM Engine coolant capacity : litre................... 7.9 Standard modulating thermostat (range) Deg. C.............. 83--95 Maximum coolant pressure (no pressure cap/ thermostat closed) : kpa........ 276 Maximum coolant temperature (engine out) Deg.C.............. 100 Maximum deaeration time : mins................. 25 Minimum coolant temperature L Deg. C................. 71 Minimum fill rate : Litre/min................. 19 Minimum coolant expansion space % of system capacity :........... 6 Mi nimum drawdown capacity % of total sys capacity............ 11 Minimum allowable pressure cap : kpa................. 50 Coolant alarm activation temperature : deg.c........... 101.6 Air on fan, typical operating temperature range :Deg.C........... 93 Thermostat opening temperature : Deg.C................. 85 Minimum cooling capacity @ nominal fuel rate :.............. India Limiting Ambient temperature (LAT) @ rated rpm : deg. C........ 46 Limiting Ambient temperature (LAT) @ peak torque rpm : deg. C........ 41 ELECTRICAL SYSTEM Maximum resistance of 24V starting circuit : Ohms.............. TBD Minimum recommended battery capacity as per DIN 72311 and BS 3911. Engine only with declutched load cold cranking amperes :........ TBD STARTING SYSTEM Minimum unaided cold start temperature -10 Deg.C at 120 average rpm Minimum aided (Ether) cold start temperature -25 deg. C at 110 average rpm
Engine Model: B 3.9 100C 100 BHP @ 2200rpm Peak Torque: 385 Nm @ 1300rpm 360 Lug up @ 50 rpm/sec 350 Engine Brake Torque (Nm) 340 330 320 310 300 290 800 1000 1200 1400 1600 1800 2000 2200 Engine Speed (rpm)