(2) Connection diagram for A25B and A25D
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Excavator
TB1140 (A25B)
Serial No. 51410001 or later
TB1140 (A25D)
Serial No. 51430001 or later
Engine
(Isuzu)
(Takeuchi)
Proportional ampli-
fier for the service
port (Takeuchi)
Optional for A25D
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Engine model: 4BG1TRE (Isuzu)
Compliant with Tier 2 emission standards
Interface box
C o n n e c t i o n
upon selection
Takeuchi maintenance tool
Configuration
① Maintenance software CD (Part No. 17301-42660)
② Dedicated USB cable (Part No. 17301-42720)
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T-ECU: Takeuchi-Electrical Control Unit
Laptop computer