1. Cummins QSK60 Tier II Installation Impact

2. 27 September 2005 Cummins Confidential
Modified cost reduced turbo mounting frame
New turbochargers
New exhaust transfer connection for turbo mounting
New injectors
New exhaust manifold sections for turbo mounting
New single piece thermostat housing with large diameter water manifold
New exhaust gas temperature sensor thermistors
New air crossover
Modified flywheel & housing for crank position sensor
Modified head and valve cover – remove injector rocker lever and cam follower lever
New Breather
Combined jacket and LTA water pump & new aftercooler and intercooler plumbing
3 New ECM’s, mounting & harness
Cast iron intake manifolds and covers for improve robustness
New fuel pump and drive
Westport engine gear housing & cam gear for cam position sensor
New fuel feed and drain plumbing
New fuel filter and head inc. prime pump (not shown)
27 September 2005
Cummins Confidential

3. Overview
Tier 2 QSK60 production start date is Jan 1, 2006, in compliance with US EPA emission requirement.
Ratings from hp: 1 or 2 stage turbocharging.
Altitude capability reduced (with respect to comparable ratings.)
Engine performance Impacts
Increased fuel consumption
Increased mass air flow
2 Pump 2 Loop aftercooling
Minimal installation impacts

4. Ratings and Altitude Capability Single Stage Turbocharging
rpm)
Turbocharger Arrangement
Altitude Capability
(ft)
Single Stage
12,500
11,000
5,000
*Note: Restricted Rating
27 September 2005
Cummins Confidential

5. Ratings and Altitude Capability Two Stage Turbocharging
rpm)
Turbocharger Arrangement
Altitude Capability
(ft)
Two Stage
13,000
12,000
10,000
6,000
*Note: Restricted rating
**Note: Restricted to electric drive haul truck
27 September 2005
Cummins Confidential

6. Performance Impact
Fuel consumption will be approximately equivalent to Tier 1 ratings
Air mass flow is expected to increase by approximately 4% when compared to equivalent Tier I ratings
27 September 2005
Cummins Confidential

7. Cooling System and Heat Rejection Impacts
2 Pump 2 Loop aftercooling
Engine coolant heat rejection is expected increase by 2.5%
Water outlet connections will remain in the same location
Water inlet connections for both the LTA coolant circuit and Engine coolant circuit are on the right bank side of the engine.
NOTE: All comparisons made to Tier I QSK60.
27 September 2005
Cummins Confidential

8. Air Handling Impacts
Turbocharger inlet and exhaust outlet connections will remain in the same location when comparing similar turbocharging arrangements.
Due to the rating and altitude offerings, customers that previously received single stage QSK60’s may elect to move to the two stage configuration for Tier 2. See following page for example. Options for customer air handling connections may vary. Refer to installation drawings for specifics.
NOTE: All comparisons made to Tier I QSK60 except where noted.
27 September 2005
Cummins Confidential

9. Air Handling Impacts Two Stage Turbocharging Single Stage
27 September 2005
Cummins Confidential

10. Fuel System Impacts
Fuel inlet connection will remain located on the filter head by the pan rail towards the front of the engine
Fitting options include ORFS (1 3/16-12), 37 deg flare (1 1/16-12), Ermetto flareless (M30x2)
Fuel drain location will move to the left bank side of the engine on the front aftercooler cover. Please use drawing on the next pages for coordinates. The preliminary installation drawing does not reflect production hardware.
Heat rejection to fuel has been dramatically reduced. This may allow some customers avoid the use of fuel coolers. Fuel inlet temperature requirements on the datasheets must be met.

11. OEM Fuel Fittings y x z
Drain
Inlet

12. Front Gear Train Impacts
A gear driven air compressor will no longer be an option
Space for left bank hydraulic drive on the rear of the gear cover is limited. Larger pump may have to utilize the drive on the from on the gear cover.
27 September 2005
Cummins Confidential

13. Electrical Wiring Interface
Three OEM connectors will be required with the new configuration
Signal Connector #1 (Deutsch 31-pin connector)
Signal Connector #2 (Deutsch 23-pin connector)
Power Connector (Deutsch 16-pin connector)
OEM connection points located on the left bank near the intake manifold, pointing toward the rear.
27 September 2005
Cummins Confidential

14. Electrical Wiring Interface
Power Connector
Deutsch HD SE-059 (OEM Side)
Sixteen 12 Gauge (AWG) Contacts, 100 AMP Capacity
Discrete connections for all module power, grounds plus keyswitch
Signal Connector #1
Deutsch HD PE-059 (OEM Side)
Twenty Three 16 Gauge Contacts
Signal Connector #2
Deutsch HD SE-059 (OEM Side)
Thirty One 16 Gauge Contacts
OEM Cense Connector Removed – Functionality in Advanced Engine Monitoring but RS232 and R422 not supported
J1708 Communication Protocol not supported

15. Advanced Engine Monitoring (AEM) Features
Cylinder Health (EGTS Monitoring)
High Temperature Faults
High and Low Temperature Deviation Faults
Trend Data-log
Calibrate-able Parameter List
Rated Condition
Shutdown Data-log
Store Data-log when Engine Stops
Saves the last two engine stops
27 September 2005
Cummins Confidential
10/6/2003

16. Advanced Engine Monitoring (AEM) Features
Fault Snapshot Data-log
Calibrate-able Parameter List
Store Data-log pre and post Fault
Start-Stop Data-log
Real Time Stamp of Engine Starts and Stops
Data-logs Save Most Recent Data and Discard Old Data
Data-logs Exportable to Excel for Post Analysis and Graphing
Uses best features of CENSE Integrated into base engine software
Standard on QSK50 and QSK60 Tier 2 mining engines
Uses standard electronic diagnostic tool
27 September 2005
Cummins Confidential
10/6/2003

17. Current Product Cense QSK45/60/78
J1939 Public
Vehicle Communication
J1708
Proprietary
RS422
Quantum/
CM500
Cense/
CM530
Modular Mining/ Dispatch/ Vehicle Communication
J1939
Public
Quantum Insite
RS232
Quantum Sensors
(engine controlling and protection)
Addt’l Cense Sensors
(no redundant)
Insite Cense
Short range RF (Mining Gateway)
Engine
Operator Panel Lamps
27 September 2005
Cummins Confidential
10/6/2003

18. X X Tier 2 AEM QSK50/60 Challenges: 27 September 2005
Insite
(Contains functionality of INSITE Cense)
J1939 Public
Vehicle Communication
RS422
CM850
Child 2
Modular Mining/ Dispatch/ Vehicle Communication X
Challenges:
RF Interface
RS422 Interface for existing systems
Data Storage/Streaming
Sensors (engine controlling and protection)
CM850
Child 1
RS232 X
Although current modular mining set up supports RS422, the next generation of their product will support J1939.
CM850
Master
Short range RF (Mining Gateway)
Engine
Operator Panel Lamps
27 September 2005
Cummins Confidential
10/6/2003

19. Installation Impact summary
QSK60 (Tier 1)
QSK60 (Tier 2)
Fuel System
HPI
MCRS
Performance
Power – Hp (KW)
2700 (2013)
Torque – ft-lb (Nm)
7840 (10,630)
Speed Range – RPM
600 – 2150
Fuel Consumptions, rated/min – lb/bhp*hr
0.339 / 0.329
Approximately equal
Heat Rejection to rated – BTU/hr
65605
+2.5%
Air Flow – ft3/min
5988
+4%
Altitude Capability
12,000 (3658)
10,000 (3048)
Application
Electronic Features
Quantum
Supported Communication Protocols
J1708/J1939
J1939
Electronics Connectors
2 – Deutsch (31/21 pin)
3 – Deutsch (31/23/16 pin)
Size (with 69 gallon sump)
Height – in (mm)
91 (2314)
Length – in (mm)
115 (2931)
Width – in (mm)
66 (1663)
64 (1635)
Wet Weight – lbs (kg)
21210 (9621)
TBD (approximately equal)

20. Information Availability
Preliminary application information available
Installation Drawings
Tech Package (Available on Request)
Curves and Datasheets
QSK60 Tier 2 link on GCE is now Live
Will be updated regularly
Contains:
Prototype ordering information
Latest application information
This presentation
Final application information available in Q3-Q4 2005
27 September 2005
Cummins Confidential