Advanced Search

The Green Industry's Resource Center

Thread Tools   Display Modes
Old 03-23-2013, 11:24 AM
lawnservjoe lawnservjoe is offline
LawnSite Member
Join Date: Jun 2008
Location: Winona, ,mn
Posts: 6

I have been running propane the last few years. Kwik Trip stores have installed CNG pumps. 1.65 a gallon. Could you give me info on that CNG tank.
Also is my Kawa 21hp FH ok to run CNG. I think my propane parts will also work with CNG. If you have info on this let me know. thanks, Joe
Reply With Quote
Old 03-24-2013, 11:27 AM
olde_blue olde_blue is offline
LawnSite Senior Member
Join Date: Jan 2008
Location: St. Louis, MO
Posts: 349
Here is a link to a site that sells small (2.5 gge tanks, 85 lbs) inexpensive Type 1 (steel) tanks: A similar Type III tank (only 46 lbs) is found here (no price): You will need strong brackets to mount the tanks without damaging them. They can be expensive. You will need alot more parts to convert to CNG from propane. Here is a schematic for a low-pressure CNG conversion for a carburated automotive application: You will need most of the same components. Here is a site that sells some CNG/Propane conversion parts for small engines: They do not have duel-fuel kits for mower engines. A site for CNG info for autos and some other conversions:
Beware, I have no practical experience with CNG. I have only done a bit of research. Here are three cautions I have come across: (1) CNG gas stations may not allow you to fuel your mowers, since they are not factory conversions. In my area, there is only one station, so home refueling would be my main option. (2) Natural gas burns hot; in specially built engines they use hardened valves. You may be able to counteract this with a water-injection system. (3) Engines produce less power on natural gas than propane or gasoline.
Reply With Quote
Old 03-27-2013, 06:54 PM
designman designman is offline
LawnSite Member
Join Date: Mar 2012
Location: poughkeepsie, NY
Posts: 9
I worry about long term, i have natural gas at my shop and the compressor for filling is 5-7k, and Nat gas prices are going up. Sure would hate to get stuck before thing pay for themselves
Reply With Quote

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Layout Style:

Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2016, Jelsoft Enterprises Ltd.
Copyright ©1998 - 2012, LawnSite.comô - Grand View Media
All times are GMT -4. The time now is 02:46 AM.

Page generated in 0.06655 seconds with 10 queries