DATA SHEET FOR MAHINDRA ENGINES

No. Description Unit 255 GS 275 GS 3305 GM 575 GS 4375 GM 4445 GM 4445TC GM (MDI) 4575GM 4575TCI GM (MDI) 4725 GM 4905 GM

GENERAL 7.5 / 10kVA 15kVA 20kVA 25kVA 30kVA 30kVA 40kVA 40kVA 50kVA 62.5kVA1 New Name after Emission Certification 2185 GM 3255 GM 3305GM 4335 GM 4375GM 4445 GM 4445TC GM (MDI) 4575GM 4575TCI GM (MDI) 4725GM 4905 GM 2 No Of Cylinders Qty 2 3 3 4 4 4 4 4 4 4 43 Gross Engine bhp 110 % hp 17.5 25 30 33 37 44 44 57 57 72 904 Typical Alternator Efficiency % age 90 90 90 90 85 90 90 * 90 90 905 Stroke 4 Stroke 4 Stroke 4 Stroke 4 Stroke 4 Stroke 4 Stroke 4 Stroke 4 4 Stroke 4 4 Stroke 6 BORE / STROKE mm / mm 88.9 x 110 88.9 x 101.6 88.9 x 110 88.9 x 101.6 88.9 x 110 94 X 115 88.9 X 110 94 X 115 88.9 X 110 94 X 115 96 x 1227 Displacement cc 1365 1895 2048 2527 2730 3192 2731 3192 2731 3192 35328 Compression Ratio mm 19.5 : 1 18:1 18:1 18:1 19.4:1 19.4 : 1 19.4 : 1 18.5 19.4 : 1 18.5 18.4:19 Unit Dry Wt of Bare Engine Kg kg 190 240 240 275 275 310 280 325 280 325 37010 Flywheel Housing SAE 3 / 10 3 / 10 3 / 10 3 / 10 3 / 10 3 / 10 3 / 10 3 / 10 or 2 /11.5 3 / 10 3 / 10 or 2 /11.5 3/1011 Direction of Rotation from Flywheel end Counter Clock wise Counter Clock wise Counter Clock wise Counter Clock wise Counter Clock wise Counter Clock wise Counter Clock wise Counter Clock wise Counter Clock wise Counter Clock wise Counter Clock wise12 Firing Order Seq 1 - 2 1 - 3 - 2 1 - 3 - 2 1 - 3 - 4 - 2 1 - 3 - 4-2 1 - 3 - 4 - 2 1 - 3 - 4 - 2 1 - 3 - 4 - 2 1 - 3 - 4 - 2 1 - 3 - 4 - 2 1 - 3 - 4 - 2 13 Mechanical efficiency % age 85 85 85 85 85 85 85 * 85 85 8514 Thermal efficiency % age 38 38 38 38 38 38 38 38** 38 38** 3815 Reference Standard REF BS 5514 BS 5514 BS 5514 BS 5514 BS 5514 BS 5514 BS 5514 BS 5514 BS 5514 BS 5514 BS 551416 Governing system

Mechanical / MICO type Mechanical / MICO type Mechanical / MICO type Mechanical / MICO type Mechanical / MICO type Mechanical / MICO type Mechanical / MICO type Mechanical / MICO type Mechanical / MICO type Mechanical / MICO type Mechanical / MICO type17 Type of Governor18 Class Of Governor A 1 A 1 A 1 A 1 A 1 A 1 A 1 Target A1 A 1 Target A1 A 119 Engine Speed Droop ( Governing ) % age 4% 4% 4% 4% 4% 4% 4% 4% 4% 4% 5%20 Maximum allowable Engine Overspeed rpm 1650 1650 1650 1650 1560 1650 1650 1650 1650 1650 165021 Heat Rejection to atmosphere kW 2.9 4.0 4.0 5.5 4.0 6.0 6.0 * 7.0 9.5 47.0

STARTING SYSTEM22 Battery Volts Volts 12 12 12 12 12 12 12 12 12 12 1223 Battery Capacity A.H. 75 75 75 75 75 88 88 88 88 88 8824 No Of Starter Motors provided 1 1 1 1 1 1 1 1 1 1 125 Rating Of starter motor kW 2.5 kW with 88 A.H. Battery 2.5 kW with 88 A.H. Battery 2.5 kW with 88 A.H. Batt. 2.5 kW with 88 A.H. Battery 2.5 kW with 88 A.H. Batt. 2.5 kW with 88 A.H. Batt. 2.5 kW with 88 A.H. Battery 2.5 kW with 88 A.H. Batt. 2.5 kW with 88 A.H. Batt. 2.5 kW with 88 A.H. Batt. 2.5 kW

26 Battery Charging alternator Capacity amps amp 35 35 35 35 35 36 36/23 36 36/23 36/23 36

AIR INTAKE SYSTEM27 Intake Manifold Temperature ( Max ) deg.C 60 60 60 60 7+Amb 60 90 65 70 75 7228 Intake Manifold Pressure kPa 0.06 (10 " of Water Column) 0.06 (10 " of Water Column) 0.06 (10 " of Water Column) 0.06 (10 " of Water Column) 0.06 (10 " of Water Column) 1.8-2.2 60 * 70 100 7029 Intake Air Flow m3/min 1.1 1.42 1.42 1.9 1.6 * 150 * 170 250 32030 Max. Allowable restriction in Air Element inch 20 " of water column 20 " of water column 20 " of water column 20 " of water column 20 " of water column 20 " of water column 20 " of water column 25 " of water column** 25 " of water column** 25 " of water column** 25 " of water column**31 Air Cleaner efficiency for dirt removal % age 99% 99% 99% 99% 99% 99% 99% * 99% 99% 99%

COOLING SYSTEM

32 Engine Cooling System Coolant Capacity Lit. 9.5 11 11 12.5 9.5 9.4 12.5 * 14.5 12 15

33 Cooling Heat Rejection, kW kW 13.3 18.5 18.5 18.5 * 22.5 * * * 46.5 4634 Max Cooling System Pressure PSI 13 13 13 13 13 13 13 * 13 13 1335 Coolant Outlet Temp (Max) deg. C 110 110 110 110 110 110 110 110 110 110 11036 Coolant Inlet Temperature deg. C 30 30 30 30 30 78 78 78 78 78 7837 Start to Open temp for Thermostat deg. C 82 82 82 82 82 82 82 82 82 82 8238 Fully Open temp for Thermostat deg. C 86 86 86 86 86 86 86 86 86 86 8639 Coolant topping-up / draining frequency Need based Need based Need based Need based Need based Need based Need based Need based Need based Need based Need based

ENGINE MOUNTED RADIATOR DETAILS40 Fan Diameter inch 16 16 17 16 17 16 17 16 17 19.5 19.4841 Fan Power kW 0.6 0.6 0.6 0.6 1.2 1 1 2.5 1 2 1.3

EXHAUST SYSTEM42 Manifold Type Box type (Plenum ) Box type (Plenum ) Box type (Plenum ) Box type (Plenum ) Box type (Plenum ) Box type (Plenum ) Box type (Plenum ) Box type Box type (Plenum ) Box type Box type (Plenum )43 Max. Wt of Exhaust System on Engine kg 6 8 8 8 8 8 8 12 8 12 844 Dia of Exhaust Outlet (inside ) mm 50 50 50 50 50 50 50 100 50 100 6045 No of Exhaust outlet One One One One One One One One One One one

46 Max allowable System back pressure kPa kPa 6.0 kPa Max. 6.0 kPa Max. 6.0 kPa Max. 8.0 kPa Max.

47 Heat rejection to exhaust kW 9.45 13.5 13.5 18.8 20 24.5 * * * * .48 Heat rejection to coolant kW 12.95 18.5 18.5 25.8 22 22.5 * * * * .49 Heat rejection to atmosphere kW 2.8 4.0 4.0 5.6 4.0 5.5 * * * * .50 Stack Temp deg. C 425 425 475 450 475 475 300 720 400 720 400

51 SFC at 100% 167 166 166 160 166 157 160 156 160 156 160

52 SFC at 75% 174 175 175 168 175 161 165 * 165 * 158

53 SFC at 50% 185 189 189 183 189 174 170 * 170 * 170

EXHAUST FLANGE DETAILS54 No of Holes no 2 2 2 2 2 4 4 4 4 4 4

6.0 kPa Max.

6.0 kPa Max.

6.0 kPa Max.

8.0 kPa Max.

6.0 kPa Max.

8.0 kPa Max.

8.0 kPa Max.

gms/bhp/Hr

gms/bhp/Hr

gms/bhp/Hr

DATA SHEET FOR MAHINDRA ENGINES

No. Description Unit 255 GS 275 GS 3305 GM 575 GS 4375 GM 4445 GM 4445TC GM (MDI) 4575GM 4575TCI GM (MDI) 4725 GM 4905 GM

55 Dia of Hole 3/8" - 16 UNC - 2B 3/8" - 16 UNC - 2B 3/8" - 16 UNC - 2B 3/8" - 16 UNC - 2B 3/8" - 16 UNC - 2B 9.5 15 9.5 15 9.5 1556 PCD mm 82.55 82.55 82.55 82.55 82.55 50X72 90 110 90 110 120

FUEL SYSTEM57 Fuel Pump MICO MICO MICO MICO MICO MICO MICO MICO - Inline MICO MICO - Inline MICO58 Fuel Transfer pump type Feed Pump Feed Pump Feed Pump Feed Pump Feed Pump Feed Pump Feed Pump Feed Pump Feed Pump Feed Pump Feed Pump59 Filter Type One Cloth & One Paper One Cloth & One Paper One Cloth & One Paper One Cloth & One Paper One Cloth & One Paper One Cloth & One Paper One Cloth & One Paper One Cloth & One Paper One Cloth & One Paper One Cloth & One Paper One Cloth & One Paper60 No of filters 2 2 2 2 2 2 2 2 2 2 2

LUBE OIL SYSTEM61 Refill volume with Lube Filter change lit 0.5 0.5 0.5 0.5 0.5 0.6 0.5 * 0.5 * 0.762 Lub Oil system capacity (with filters) lit 5 7.1 9.4 9.4 8.5 9.4 9.4 * 9.4 * 9.463 Lub Oil temperature (max) deg. C 130 130 130 130 130 130 130 1 130 1 13064 Lub Ol Pressure normal kPa 1.8 to 3.0 kg/cm2 1.8 to 3.0 kg/cm2 1.8 to 3.0 kg/cm2 1.8 to 3.0 kg/cm2 1.8 to 3.0 kg/cm2 1.8 to 4.0 kg/cm2 1.8 to 3.0 kg/cm2 1.8 to 3.5 kg/cm2 1.8 to 3.5 kg/cm2 1.8 to 3.5 kg/cm2 1.5 to 4

65 Lub Oil filter Type Spin-On Filter with Paper element Spin-On Filter with Paper element Spin-On Filter with Paper element Spin-On Filter with Paper element

66 Number Of Lub Oil Filters 1 1 1 1 1 1 1 1 1 1 167 Crank case ventilation Thru Cr.case breather. Thru Cr.case breather. Thru Cr.case breather. Thru Cr.case breather. Thru Cr.case breather. Thru Cr.case breather. Thru Cr.case breather. Thru +ve Cr. Case Ventl. Thru Cr.case breather. Thru +ve Cr. Case Ventl. Thru Cr.case breather.68 Lube Oil Change Period Hours 250 250 250 250 250 250 250 * 250 * 250

SAFETIES & INSTRUMENTATION69 Fuel Shut-Off solenoid type & Travel RICO / 30 mm RICO / 30 mm RICO / 30 mm RICO / 30 mm RICO / 30 mm RICO / 30 mm RICO / 30 mm RICO / 30 mm RICO / 30 mm RICO / 30 mm 12 V DC/ 30 mm70 Low Lub Oil Pressure Shut-Off psi 12 psi 12 psi 12 psi 12 psi 12 psi 12 psi 12 psi 12 psi 12 psi 12 psi 1.5kg/cm271 High Water Tempo Shut-Off deg.C 110 110 110 110 110 110 110 110 110 110 110

72 Crank termination signal 300 rpm / Oil Press 19 PSI 300 rpm / Oil Press 19 PSI 300 rpm / Oil Press 19 PSI 300 rpm / Oil Press 19 PSI 300 rpm / Oil Press 19 PSI 300 rpm / Oil Press 19 PSI 300 rpm / Oil Press 19 PSI 300 rpm / Oil Press 19 PSI 300 rpm / Oil Press 19 PSI 300 rpm / Oil Press 19 PSI 300 rpm / Oil Press 19 PSI

73 Lub Oil Pressure Guage Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol)74 Water Temp Guage Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol)75 Hourmeter cum r.p.m meter Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol)76 Ammeter Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol) Electrical (Pricol)

MOUNTING SYSTEM77 Flywheel Housing SAE SAE 3 SAE 3 SAE 3 SAE 3 SAE 3 SAE 3 SAE 3 SAE 3/SAE 2 SAE 3 SAE 3/SAE 2 SAE 378 Flywheel Dimensions SAE SAE 10 SAE 10 SAE 10 SAE 10 SAE 10 SAE 10 SAE 10 SAE 10/SAE 11.5 SAE 10 SAE 10/SAE 11.5 SAE 1079 Flywheel Diameter mm 340 340 340 340 355 340 340 355 340 355 34080 Flywheel Width mm 88.9 88.9 88.9 88.9 88.9 93 93 93** 93 93** 9381 Flywheel No of teeth no. 110 110 110 110 110 110 110 110** 110 110** 11082 Flywheel Weight kg 43.5 43.5 43.5 43.5 43.5 38 43.5 43 43.5 43 43.5

NOISE DATUM83 Noise on Full Load at 1 m dba 94 93 93 93 93 93 93 95 95 95 97

ENGINE WARM-UP AND COOLING TIME

84 Engine Warm-Up time before putting load Sec 120 120 120 120 120 120 120 300 120 300 120

85 Sec 120 120 120 120 120 120 120 300 120 300 120

Dynamic Behaviour (Test for Governing): A1 Class Governing for all Engines.86 Sudden 100% decrease in Load. =<10% % 5.7 8 8 6.7 As Per BS5514 7.5 As per BS 5514 As per BS 5514 As per BS 5514 As per BS 5514 As per BS 551487 Sudden 100% increase in Load. =<10% % 4.6 5.5 5.5 5.6 As Per BS5514 7.2 As per BS 5514 As per BS 5514 As per BS 5514 As per BS 5514 As per BS 5514

88 Sec 1.4 0.7 0.7 0.8 As Per BS5514 2 As per BS 5514 As per BS 5514 As per BS 5514 As per BS 5514 As per BS 5514

89 Sec 0.8 2 2 0.9 As Per BS5514 2.2 As per BS 5514 As per BS 5514 As per BS 5514 As per BS 5514 As per BS 5514

** Data based upon the first prototype and subjected to change subsequent to Proto batch of 5 nos. Followed by next 50 nos.* Data not availble as on date .Under development.

Spin-On Filter with Paper element

Spin-On Filter with Paper element

Spin-On Filter with Paper element

Spin-On Filter with Paper element

Spin-On Filter with Paper element

Spin-On Filter with Paper element

Spin-On Filter with Paper element

r.p.m / Oil. Press

Engine Cooling time before Engine Shut-Down

Recovery for 100% decrease inload =<8 sec

Recovery for 100% increase inload =<8 sec

M&M recommends WARM-UP TIME of 2 minutes before putting load on Engine. i.e. Load to be put on engine only after 2 minutes of idling .Similarly M&M recommends COOLING TIME of 2 minutes before Engine Shut-Down i.e. Idling of Engine after transfer of

TECHNICAL SPECIFICATIONS DATA SHEET FOR ENGINES

No. Description UnitGENERAL

1 Model Name 41035GM

2 ARAI Certificate No.

3 Aspiration (Natural / Turbo / Turbo IC) TCI4 No. Of Cylinders Qty 45 Stand-by Power 110 % hp (kW) 103.5 (76.12)6 Continuous Power hp (kW) 94(69.13)7 Injection (Direct / Indirect) Direct8 Bore x Stroke mm 96 x 1229 Displacement litres 3.5410 Compression Ratio 17.0:111 Air Fuel ratio 23.3:1@rated12 Dry Weight of Bare Engine kg 45513 Flywheel Housing Standard SAE SAE 3 / 10 , 14 Flywheel Standard SAE SAE 10, 15 Direction of Rotation from Flywheel end anticlockwise16 Firing Order Seq 1-3-4-217 Mechanical efficiency % age 8518 Thermal efficiency % age 3519 Reference Standard IS1000020 Governing system Bosch make Inbuilt in FIP21 Type of Governor Mechanical22 Class of Governor A123 Engine Speed Droop ( Governing ) % age 4%

STARTING SYSTEMElectrical Starter

24 - Make TVS - Lucas25 - Model / Type _26 - Volts V DC 1227 - KW rating KW 3

AIR INTAKE SYSTEM28 Intake Manifold Temperature ( Max ) deg.C 7529 Max. Air intake restriction - with clean element kPa 2.530 Max. Air intake restriction - with dirty element kPa 631 Intake Manifold Pressure @ rated kPa 110-12832 Intake Air Flow m3/min 5.91

CFM 157.6733 Type of Air cleaner. Dry

COOLING SYSTEM34 Engine Cooling System Coolant Capacity Lit. 1935 Diameter of the Fan mm 55036 Coolant Capacity of the radiator. Lit 9.537 Start to Open Temperature for Thermostat deg. C 6838 Fully Open Temperature for Thermostat deg. C 8439 Coolant topping-up / draining frequency 300 hrs check interval/1200

EXHAUST SYSTEM40 Max. Weight of Exhaust System on Engine kg 11.541 Diameter of Exhaust Outlet (inside ) mm 5142 No. of Exhaust outlets one43 SFC @ 110% gms/hp-hr. 166.4344 SFC @ 100% gms/hp-hr. 163.0345 SFC @ 75% gms/hp-hr. 163.3446 SFC @ 50% gms/hp-hr. 181.8747 SFC @ 25% gms/hp-hr. 257.0148 Fuel Consumption @ 110% litres/hour 20.6349 Fuel Consumption @ 100% litres/hour 18.3550 Fuel Consumption @ 75% litres/hour 9.1951 Fuel Consumption @ 50% litres/hour 5.1252 Fuel Consumption @ 25% litres/hour 2.8953 Lub oil Consumption @ 100% litres/hour 0.02854 Lub oil Consumption % of SFC 0.1555 Recommended Lub Oil 15W40 (CF4)

ARAI/MoEF/DGTA/M&M-F24/2009-061

FUEL SYSTEM56 Fuel Pump Bosch -Inline57 Fuel Transfer pump type Plunger type58 Type of Filter coil + coil59 No. of Filters 2

LUBE OIL SYSTEM60 Refill volume with Lube Filter change lit 961 Lub Oil system capacity (with filters) lit 962 Lub Oil temperature (max) deg. C 12563 Lub Ol Pressure normal kPa 100-60064 Lub Oil filter Type Spin -on type65 Number Of Lub Oil Filters 1 nos66 Recommended lube oil grade 15W40 / CF467 Lube Oil Change Period Hours 400