1. L9 E6 OBD Phase C Product Update
Change Notification CEAF
December 16th 2016
Confidential

2. Purpose of this CEAF
The purpose of this change notification CEAF is to communicate ISL E6 OBD phase C product updates which will take place with the launch of the L9 E6 OBD phase C product in July 2017
Further information is available within the L9 Impact presentation available on the ISL E6 ODB C product page on GCE
Insert Data Classification

3. Purpose of L9 E6 OBD C Project
Enhance performance of the L9 Euro VI Phase C engine for typical European operation
3 updated power ratings; 340, 370 and 400hp
All ratings feature increased low engine speed torque
Increased peak torque range
Improved Fuel Economy; 3~6%*
* Duty cycle dependent compared to ISL E6 OBD Phase A
Confidential

4. Engine Changes No planned Hardware changes Revised calibration Outcome
Turbo hardware split will be same as Phase A:
340hp smaller trim turbo
370 & 400 larger trim turbo (externally identical to current product)
Revised calibration
Revised torque curve
Improved fuel consumption
Outcome
This will drive new engine specifications to cover changes to FR, DO and SC options
Confidential

5. Aftertreatment Changes
Aftertreatment system remaining same as Phase A and C system (current product)
Critical Change:
Exhaust temperature drop from turbo outlet to aftertreatment inlet is 20 deg C across all ratings
Confidential

6. Torque curves Three power ratings (Euro VI Phase C compliant)
400hp / 1700Nm for Truck and Coach:
(N3 >16tonne and M3 class III) respectively
370hp / 1600Nm for Truck, Coach and Bus:
(N3 >16tonne, M3 class III, Bus class I & II) respectively
340hp / 1500Nm for Truck, Coach and Bus:
Confidential

7. 400Hp / 1700Nm Rating (Coach) L9 400 Revised ISL400 OBD-C RPM Nm kw
827 61
800
922 77
921
900
1100
104
1016 96
1000
1300
136
1220
128
1450
167
1355
156
1200
1590
200
1491
187
1700
231
1593
217
1400
249
1695
248
1500
266
1600
1637
274
1581
281
1800
1524
287
1900
1468
292
2000
1411
295
2100
298
2130
1305
291
1229
2200
161
714
164
2300
Confidential – Restricted

8. 370hp / 1600Nm Rating (Bus / Coach)
L9 370 Revised
ISL380 OBD-C
RPM Nm kW
700
827 61
800
922 77
900
1100
104
1017 96
1000
1300
136
1220
128
1450
173
1356
156
1200
1550
195
1491
187
1600
218
1627
221
1400
235
1695
248
1500
1520
239
266
1475
247
1626
272
1700
1425
254
1559
278
1800
1390
262
283
1900
1350
269
1422
2000
1329
2100
1255
276
1238
2130
1050
234
2200
161
688
158
2300
Confidential – Restricted

9. Confidential – Restricted
340hp / 1500Nm Rating (Bus)
L9 340 Revised
ISL330 OBD-C
RPM Nm kw
700
827 61
745 55
800
922 77
881 74
900
1100
104
1016 96
1000
1300
136
1152
121
1450
167
1287
148
1200
1500
188
1423
179
204
1491
203
1400
220
219
1448
227
1457
229
1600
1396
234
238
1700
1344
239
1382
246
1800
1292
244
1305
1900
1240
247
1237
2000
1198
251
1175
2100
1155
254
1050
231
2130
1086
242
2200
907
209
161
2230
874
2300
Confidential – Restricted

10. Product Plans
As three torque curves are released into production all the existing Phase A and Phase C ISL9E6 FRs will be obsoleted
FRs to be obsoleted are listed below with suggested replacements
Confidential

11. Project Timing Calibration D phase - February ’17
FT start - February ’17
Certification documents - May ’17
Start Of Production (LP) - July’17
Rating Supersession - Q4’17
Confidential

12. Change log
Rev
Date
Change
1.0
16 Dec 16
Initial release
Confidential