Operation Section
1
–
5
1.5 Common Rail System And Supply Pump Transitions
z The world's first common rail system for trucks was introduced in 1995. In 1999, the common rail system for passenger
cars (the HP2 supply pump) was introduced, and then in 2001 a common rail system using the HP3 pump (a lighter and
more compact supply pump) was introduced. In 2004, the three-cylinder HP4 based on the HP3 was introduced.
1.6 Injector Transitions
Q000752E
1996 1998 2000 2002 2004 2006
120MPa
180MPa
135MPa
HP0
HP2
HP3
Large Trucks
Medium-Size Trucks
Common Rail
System
1st Generation Common Rail System 2nd Generation Common Rail System
Passenger Vehicles
Compact Trucks
Suction Quantity
Adjustment
Suction Quantity
Adjustment
Suction Quantity
Adjustment
Pre-Stroke Quantity Adjustment
180MPa
HP4
Q000753E
· 180MPa
· 135MPa
· 120MPa
X1
G2
97 98 99 00 01 02 03
1st Generation 2nd Generation
· Multi-Injection
· Pilot Injection
· Pilot Injection
X2
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