Schematic Caterpillar 374 Excavator | M0103215-01

Features
Cover Page
Information
Component Location
Vol 1 – Cab Wiring and Product Link
Vol 2 – Chassis and CGC
Page 1 of 2
Page 2 of 2
Vol 3 – Engine
Connector Location
Vol 1 – Cab Wiring and Product Link
Vol 2 – Chassis and CGC
Vol 3 – Engine
Schematics
Function Isolation Tools
Grids On/Off
All Circuits Off
All Circuits On
Vol 1 – Cab Wiring and Product Link
Unspecified Circuit
Black (Ground)
032 (Red) (Battery Power)
640 (Blue) (Key Power)
305 (Lt Blue) (Converter 12v Out)
021 (Orange) (Starting)
190 (Dk Pink) (Start Aid)
258 (Dk Purple) (Machine Primary Control)
347 (Dk Green) (BCM Control)
430 (Dk Gray) (Machine Secondary Control)
509 (Lt Pink) (Engine Control)
613 (Dk Yellow) (Heat/AC)
4665 (Tan) (Wiper/Washer)
CON 509 (CAN D.L.)
CON 032 (RS232/485 D.L.)
CON 522 (CAN “B” D.L.)
CON 141 (CAN “C” D.L.)
SUB 651 (Blue Gray) (Ethernet)
Vol 2 – Chassis and CGC
Unspecified Circuit
Black (Ground)
032 (Red) (Battery Power)
640 (Blue) (Key Power)
021 (Orange) (Starting)
190 (Dk Pink) (Start Aid)
258 (Dk Purple) (Machine Primary Control)
347 (Dk Green) (BCM Control)
430 (Dk Gray) (Machine Secondary Control)
464 (Brown) (Machine Tertiary Control)
509 (Lt Pink) (Engine Master)
613 (Dk Yellow) (Heat/AC)
4665 (Tan) (Wiper/Washer)
CON 509 (J1939/1587 D.L.)
CON 032 (RS232/485 D.L.)
CON 190 (CAN “3” D.L. (CGC))
CON 522 (CAN “B” D.L.)
CON 141 (CAN “C” D.L.)
CON 305 (CAN “D” D.L.)
CON 464 (CAN “2” D.L. (CGC))
SUB 651 (Blue Gray) (Ethernet)
Vol 3 – Engine
Black (Ground)
509 (Lt Pink) (Engine Control)
CON 141 (CAN “C” D.L.)
CON 522 (CAN “B” D.L.)
Machine Views
Vol 1 – Cab Wiring and Product Link
Cab Front View
Cab Rear View
Left Hand Console
Right Hand Console
Product Link
Seat Rear View
Vol 2 – Chassis and CGC
Boom and Stick View
Cab Rear View
Chassis – CGC View
Chassis – Front View
Counterweight
DEF Compartment
Engine View
Fan and Radiator Compartment
Machine Top View
Main Control Valve
Pump Compartment
Vol 3 – Engine
Clean Emission Module
Engine Rear View
Engine Top View