2000/05/15 Caterpillar

New Flash Software Now Available {7620}

Usage:

143H 1AL

Motor Grader: 143H NA (PIN: 1AL92-UP) 120H NA (PIN: 2AN159-UP; 4MK741-UP) 160H (PIN: 2FM505-UP) 12H (PIN: 2GS431-UP; 4ER624-UP) 160H (PIN: 2HS393-UP) 12H NA (PIN: 2WR842-UP; 4XM2412-UP; 8MN719-UP) 140H NA (PIN: 2ZK4987-UP) 140H (PIN: 3AS548-UP; 5HM1565-UP) 140H NA (PIN: 9TN1024-UP; 9ZN351-UP) 160H NA (PIN: 3GM92-UP; 9EJ826-UP) 135H NA (PIN: 3YK417-UP) 163H NA (PIN: 5AK247-UP) 120H (PIN: 5FM1868-UP; 9YR437-UP) 135H (PIN: 8WN584-UP) 120H (PIN: 9FN545-UP)

Reference: Special Instruction, REHS0494, "Accessing Flash Software for Machines"

Reference: Service Manual, SENR9167, "Transmission Electronic Control For Countershaft Transmissions For Motorgraders"

Description of Change: The following new transmission ECM software groups are now shipped on motor graders effective with the above serial numbers. The new software improves performance in directional shifts.

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Table 1
Transmission ECM Software
Machine Configuration	Previous Part Number	New Part Number
Basic 12H, 120H, 135H, 140H, 160H,143H, 163H	186-6199 175-4043 172-6120 166-5956 154-6530 154-6530	190-8457
Autoshift 12H, 120H, 135H, 140H, 160H, 143H, 163H	Premium	Premium
Limited Road Speed Basic 12H, 120H, 135H, 140H, 160H, 143H, 163H	186-6203 175-4047 172-6123 166-5966 154-6537 144-8700	190-8462
Limited Road Speed Autoshift 12H, 120H, 135H, 140H, 160H, 143H, 163H	Premium	Premium

The 190-8457 Software Group is the Basic Transmission Software.
Autoshift Transmission Software is only available as part of the 190-8461 Service Group .
The 190-8462 Software Group is the Basic Limited Road Speed software.
Autoshift Limited Road Speed Software is only available as part of the 190-8465 Service Group .

Note: Verify that you are using the latest software release that is available whenever you flash software.

Adaptable To: The new software groups are effective with the machines listed in Table 2 and the software is adaptable to first production on the listed machines.

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Table 2
Model Number	Serial Number
12H	(S/N: 8MN460-718) (S/N: 4ER500-623) (S/N: 2GS360-430) (S/N: 2WR642-841) (S/N: 4XM1396-2411) (S/N: 5ZM298-303)
120H	(S/N: 9YR270-436) (S/N: 5FM800-1867) (S/N: 2AN104-158) (S/N: 4MK404-740) (S/N: 9FN471-544) (S/N: 3GR70-81) (S/N: 6TM366-439)
135H	(S/N: 8WN290-583) (S/N: 3YK267-416)
140H	(S/N: 9TN300-1023) (S/N: 3AS450-547) (S/N: 5HM1150-1564) (S/N: 9ZN205-350) (S/N: 2ZK2392-4986) (S/N: 8JM280-294) (S/N: 3FR152-195)
143H	(S/N: 1AL408-791)
160H	(S/N: 3GM80-91) (S/N: 2HS380-392) (S/N: 2FM400-504) (S/N: 9EJ510-825) (S/N: 9JM350-357)
163H	(S/N: 5AK156-246)