Discussion:
Hyster H80XM LPG

Hi, I am having a issue with the forklift stumbling. Starts and runs fine but at idle it will stumble like it's about to die for about 1 second, then run fine again. This happens about every 5 to 10 seconds. If I give the unit throttle it will rev up, but it still stumbles, about every 5 to 10 seconds at higher RPM's.

Thanks in advance for the help.
  • Posted 22 Nov 2019 11:06
  • By Cainsable
  • joined 22 Nov'19 - 2 messages
  • California, United States
Showing items 1 - 3 of 3 results.
some of these units have what they call a dashpot on the throttle.
if it is not adjusted correctly it can allow the throttle to drop too low or have a surge in it like what you are describing.
On the higher rpm's i'm not sure what that might be unless it has a mechanical governor on it, if thats been tampered with it might be out of adjustment causing that surge.
  • Posted 3 Dec 2019 16:53
  • Modified 3 Dec 2019 17:03 by poster
  • By swoop223
  • joined 23 Mar'12 - 3,692 messages
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com
Serial number is K005D02373X. It is run by propane(LPG). Thanks.
  • Posted 30 Nov 2019 04:31
  • By Cainsable
  • joined 22 Nov'19 - 2 messages
  • California, United States
Serial number please it will help to be able to work out what model fuel system is fitted
  • Posted 23 Nov 2019 05:25
  • By lifter01
  • joined 4 Jul'09 - 462 messages
  • West Yorkshire, United Kingdom

Post your Reply

Forkliftaction accepts no responsibility for forum content and requires forum participants to adhere to our rules of conduct. Click here for more information.

If you are having trouble using the Discussion Forums, please contact us for help.

Movers & Shakers
Deborah Baker Deborah Baker
Board chair, Equipment Leasing & Finance Association
Vice president of manufacturing operations, Hytrol Conveyor Company
VP sales Europe, EP Equipment Europe
Group president - Vancouver operations, Columbia Machine
SMV (Konecranes) 4632CC5
Balling, Denmark
New - Sale
UN Forklift FD30-35T
HANGZHOU, Zhejiang, China
New - Sale

PREMIUM business

Linde Material Handling
Linde Material Handling is your full-service provider. From forklifts to automation - we stand for innovation and for your performance.
Global Industry News
edition #1255 - 6 November 2025
In this week’s Forkliftaction News , Hyster-Yale says it is reducing production because of “softer demand” as it reports revenue for Q3 was USD979 million, a drop both year-on-year and quarter-on-quarter... Continue reading
Movers & Shakers
Deborah Baker Deborah Baker
Board chair, Equipment Leasing & Finance Association
Vice president of manufacturing operations, Hytrol Conveyor Company
VP sales Europe, EP Equipment Europe
Group president - Vancouver operations, Columbia Machine