Schematic Caterpillar 432 and 444 Backhoe Loader Hydraulic System | M0128765-00

Features
Cover Page
Information
– Component Location
– Tap Location
Schematics
– Function Isolation Tools
— Grids On/Off
— All Circuits Off
— All Circuits On
— 021 (Orange) (Pilot Pump Output)
— 032 (Red) (Main Pump Output)
— 141 (Lt Orange) (Tilt Control Circuit)
— 190 (Dk Pink) (Swing Control Circuit)
— 258 (Dk Purple) (Load Sense Control Circuit)
— 305 (Lt Blue) (Sideshift Control Circuit)
— 346 (Med Green) (Service Brake Control Circuit)
— 347 (Dk Green) (Supply Line)
— 430 (Dk Gray) (Auxiliary Control Circuit)
— 464 (Brown) (Stick Control Circuit)
— 500 (Med Pink) (Lift Control Circuit)
— 509 (Lt Pink) (Power Sideshift Control Circuit)
— 522 (Lt Purple) (Coupler Control Circuit)
— 577 (Lt Green) (Drain / Return Line)
— 613 (Dk Yellow) (Stabilizer Control Circuit)
— 651 (Blue Gray) (Extendable Stick Control Circuit)
— 4665 (Tan) (Bucket Control Circuit)
— 5655 (Lt Gray) (Coupler Hoe Control Circuit)
— 5767 (Olive Green) (Boom Control Circuit)
— SUB 141 (Lt Orange Stripe) (HMU Pump Control Circuit)
Machine Views
– Cab Rear
– Extendable Stick
– Machine Front
– Machine Left Side
– Machine Rear
– Machine Right Side
– Machine Top
– Quick Coupler
– Wheel Steering