1. Royal Mail Darlington – Leyland Truck (LF45) ISB4.5E5140 Euro 5 Ben Kilpatrick Graduate – Application Engineer 04/05/2011

2. 2 Application.  It is an on-highway vehicle.  In service since 12/03/2008.  Gross Vehicle Weight of 7.5T.  Manual gear box  4 cylinder  Vehicle has a 70L urea tank

3. 3 Application.  Operates out of Royal Mail VSW, Darlington, DL3 0QC  At the beginning of data logging, vehicle had 30714km on the clock.  Picture is not actual vehicle.

4. 4  Date of test data is 09/10/2009 23:53:33  Total number of logs analysed, 42615  Season of year, Autumn  Average altitude, ≈ 50m. Data Conditions

5. 5 Summary Metrics. Vehicle Total Distance Travelled in Logged Data [km]613 Shortest 0 - 30 km/hr Time [secs]7 Shortest 0 - 50 km/hr Time [secs]28 Shortest 0 - 80 km/hr Time [secs]125 Average Speed in Logged Data [km/hr]49 Average Moving Speed in logged data [km/hr]75 Max Vehicle Speed in logged data [km/hr]92 Number of Engine Shutdowns Per 100 km4 Number of Stops Per 100 km7 Percent of Duty Cycle Time Not Moving34% Percent of Duty Cycle Time Shutdown24% Percent Time in Transient Operation16% All Data Vehicle Moving SCR Urea Tank Defrost time [mins]0 SCR Bed Temperature Warmup time [mins]37 SCR Bed Temperature Time below 200 deg C65%47% SCR Bed Temp Time between 200 - 250 deg C34%52% SCR Bed Temperature Time above 250 deg C0% Average SCR Bed Temperature [deg C]168191 % Time spent dosing Urea32%49% Engine % Time Spent on Idle3% Maximum Engine Speed [rpm]2917 Maximum Power supplied by the Engine [kW]112 Duty Cycle Work [kW]29 All Data Vehicle Moving Fluid Consumption Fuel Economy [miles/UK gallon]19.920.1 Fuel Economy [litres/100 km]14.214.1 Urea Economy [litres/100 km]0.5 Urea/Fuel Ratio4% Average Idle Fuel Rate [kg/hr]1.09

6. 6 Torque curve. Engine Peformance Curve Engine SpeedTorque (Ft-Lb)Power (HP) 28500 0 2525280.27318 135 2500289.861473 138 2400300.924888 138 2300312.725864 137 2200326.001962 137 2100340.753182 136 2000356.241963 136 1900373.205866 135 1800393.120013 135 1700401.970745 130 1600405.65855 124 1500405.65855 116 1400405.65855 108 1300405.65855 100 1200405.65855 93 1100405.65855 85 1000331.90245 63 900331.90245 57 800302.40001 46 700295.0244 39

7. 7 Engine Speed vs. Load Percent TIME distribution. Engine Speed [rpm] 060070080090010001100120013001400150016001700 Percent Load [%] 00.0% 0.5%0.6%0.3% 0.4%0.3%0.5%0.8%2.1% 100.0% 3.1%2.9%0.1% 0.2%0.3% 2.3% 200.0% 0.5%0.4%0.1% 0.0%0.1% 0.2%0.3%3.1% 300.0% 0.1% 0.0%0.1% 0.3%0.4%5.1% 400.0% 0.1% 0.0% 0.4% 9.4% 500.0% 0.5% 13.8% 600.0% 0.4%0.3%15.8% 700.0% 0.4%0.2%9.1% 800.0% 0.3%0.2%4.0% 900.0% 0.2%0.1%1.9% 1000.0% 0.3% 2.5% Sum =>0% 4% 1% 4% 69%

8. 8 Continued. 1800190020002100220023002400250026002700280029003000Sum 0.5% 0.4% 0.3%0.2%0.1% 0.0% 9% 0.1% 0.2% 0.1%0.0% 11% 0.1% 0.2% 0.0%0.1% 0.0% 6% 0.1% 0.2% 0.1% 0.0% 7% 0.1% 0.0% 11% 0.1% 0.2% 0.1% 0.0% 16% 0.1% 0.2%0.1% 0.0% 17% 0.1% 0.0% 10% 0.1% 0.0% 5% 0.1%0.0%0.1% 0.0% 0.1%0.0%3% 0.2% 0.3%0.1%0.0% 0.1% 0.0% 4% 2% 1% 0% 100%

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11. 11 Engine Speed vs. Load Percent FUEL USED distribution. Engine Speed [rpm] 060070080090010001100120013001400150016001700 Percent Load [%] 00.0% 0.1%0.2% 100.0% 0.4% 0.0% 0.1% 0.8% 200.0% 0.1% 0.0% 0.1% 1.7% 300.0% 0.1%0.0% 0.5%0.3%3.7% 400.0% 0.2%0.0% 0.3% 8.6% 500.0% 0.5% 15.1% 600.0% 0.5%0.4%20.2% 700.0% 0.5%0.3%13.4% 800.0% 0.1%0.5%0.4%6.7% 900.0% 0.3%0.2%3.6% 1000.0% 0.1%0.5%0.7%5.4% Sum =>0% 1% 0% 4%3%79%

12. 12 Continued. 1800190020002100220023002400250026002700280029003000Sum 0.0% 1% 0.0% 0.1%0.4%0.1%0.0% 3% 0.1% 0.0% 3% 0.1% 0.2% 0.1% 0.0% 6% 0.1% 0.0%0.1%0.0% 10% 0.1% 0.2% 0.1% 0.0% 17% 0.1%0.2%0.3%0.2%0.1% 0.0% 22% 0.1% 0.2% 0.1% 0.0% 15% 0.1%0.2%0.1% 0.0% 0.1%0.0% 8% 0.1%0.0%0.1% 0.0% 0.1%0.0%5% 0.4%1.3%0.4%0.6%0.2%0.1% 0.2% 0.0% 10% 1%2% 1%0% 100%

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15. 15 Change in Engine Speed [rpm] 018036054072090010801260144016201800198021602310Sum Duration [secs] 0000000000000000 10773542100000000786 205371473111000000565 302401585421110000276 401341084433111000169 5080954331111010109 100123301110657532120206 3001216 322211000056 Sum =>018989959322216159752302167

16. 16 Change in Throttle [%] 0102030405060708090100Sum Duration [secs] 0000000000000 10125271814542220199 20842718131164330168 303023121176422097 409128755311052 50355423221026 100146422231025 30000000000000

17. 17 Change in Engine Load [Nm] 04080120160200240280320360400440480550Sum Duration [secs] 0000000000000000 10477422010562522112575 20356632612864442223491 30170462811664533313290 4010638197754333113201 506334184543322112142 100661208334141312854434370 3002174049352113622000187 Sum =>01239361233127806142342118149162255

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19. 19 Percent time spent in each temperature window. Compressor Inlet Temp [% Time] Charge Temp [% Time] Coolant Temp [% Time] DOC IN Temp [% Time] DOC OUT Temp [% Time] DPF OUT Temp [% Time] SCR IN Temp [% Time] SCR OUT Temp [% Time] Temperature [Deg C] -30 0.0% -15 0.0% 0 11.0%12.5% 15 45.9%0.0% 7.7%8.7% 30 25.1%0.5%0.0% 2.0%1.9% 40 8.4%6.4%0.0% 1.6%2.4% 50 8.0%9.0%0.0% 3.2%1.2% 60 5.0%8.1%0.0% 0.3%0.5% 70 0.0%6.7%0.0% 0.4%0.9% 80 0.0%61.9%0.0% 0.4%0.6% 90 0.0% 0.7%0.8% 100 0.0% 2.9%3.0% 120 0.0% 5.2%4.2% 150 0.0% 6.7%8.4% 180 0.0% 9.6%18.7% 200 0.0% 27.2%25.5% 230 0.0% 11.5%3.0% 250 0.0% 1.4%0.2% 270 0.0% 0.3%0.0% 290 0.0% 320 0.0% 350 0.0% 380 0.0% 410 0.0% 440 0.0% 470 0.0% 500 0.0% 530 0.0% 550 0.0% 590 0.0% 620 0.0% 690 0.0% 720 0.0% Min Temps [Deg C] => 1531 64 Average Temps [Deg C]=> 3377 149139 Max Temps [Deg C]=> 6390 289263