Hirth D24 Diesel - Vintage Horticultural and Garden Machinery Club

This topic has 4 replies, 2 voices, and was last updated 9 years, 10 months ago by andyfrost.

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April 26, 2016 at 6:45 pm #20688

andyfrost
Participant

Do any of you Gents know the correct grade of oil to use in a Hirth D24.

Many thanks Andy.

April 26, 2016 at 8:27 pm #20693

hortiman
Participant

Hello Andy.
I believe the correct oil to be straight 30 HD as the oil pump is calibrated to deal with this viscosity. It has always worked well in mine, maybe straight 40 HD would be ok in very hot weather.

You can fill up to the top of the filler pipe, as fitted to the Howard 700, I am assuming that is what it is fitted to.

Regards
Chris

April 26, 2016 at 9:08 pm #20694

andyfrost
Participant

Chris , many thanks for posting , it’s actually on a 400.

Andy.

April 27, 2016 at 8:25 pm #20704

hortiman
Participant

Andy,
I guess you have the same filler tube? they say fill to top of tube.

Chris

April 30, 2016 at 3:42 pm #20711

andyfrost
Participant

Chris , I’ve sent you a PM.

Andy
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Hirth D24 Diesel - Vintage Horticultural and Garden Machinery Club

Hirth D24 Diesel