Cat Lift Trucks (& Caterpillar) NR4000:
Code 57, No reach or tilt

Got this truck in. Shows code 57. We have no reach or tilt. Any help would be great.
  • Posted 22 Aug 2018 23:25
  • Discussion started by BREWSKI
  • Nebraska, United States
Showing items 1 - 3 of 3 results.
Thanks for the reply's. The truck is 36 volt. Serial number is 5NR3636704.
  • Posted 30 Aug 2018 00:55
  • Reply by BREWSKI
  • Nebraska, United States
what voltage is this truck?
got a serial number?
I did check both the 24v and 36v truck service manuals and HPK service documents and there is a bulletin out on this code 57.

JKPAINTER is on track with this...
is a possible issue with a auxillary circuit control.
Bulletin says it could be broken wires or an open occurs somewhere in the auxiliary hydraulic electrical circuit.
So yes, check the harness in the over the mast cable, check its connectors, especially the one at the base of the mast, it may have a cover over it but they are still prone to damage. Also check the harness in the pentograph going out to the front and make sure it hasn't been pinched.
  • Posted 29 Aug 2018 22:14
  • Modified 29 Aug 2018 22:30 by poster
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
Brewski=no book on this model but the over mast cables check with a meter 4 broken wires =on top of the carriage to the inside of compartment=if good =replace A/B valve.
  • Posted 29 Aug 2018 14:38
  • Reply by JKPAINTER
  • Ontario, Canada

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