That's a bit silly

Posted by jdemaris on July 11, 2007 at 12:47:03 from (66.218.19.7):

In Reply to: Re: Horsepower needed for bushogging posted by Tramway Guy on July 11, 2007 at 12:00:41:

Not true for several reasons. Also, not all diesel farm tractor have wide open air intakes.
Some use pneumtatic governors with butterfly valves in the air take like several of my IH tractors.

Here's some data on one of Deere's most efficient diesels - that does miserably when not loaded down and used for too small a job. At 22 horsepower, an 8N Ford gas tractor is more efficient.

An 8N gas tractor can be loaded to 25 horsepower and run at an efficiency of 11.1 horsepower-gallons per hour.

A John Deere 414 engine when only loaded at 22 horsepower runs at 8.7 horsepower-gallons per hour.

Deere 6603 with a 414 cubic inch diesel - Nebraska Test # 1809

Fuel efficiency expressed in horsepower-hours per gallon of diesel fuel.

Loaded to 101 horsepower at 2100 RPM - 18 HHG
Loaded to 97 horsepower at 2100 RPM - 17.1 HHG.
Loaded to 85 horsepower at 2100 RPM - 16.1 HHG
Loaded to 65 horsepower at 2200 RPM - 15.5 HHG
Loaded to 44 horsepower at 2200 RPM - 14.7 HHG
Loaded to 22 horsepower at 2200 RPM - 8.7 HHG
Loaded to 1 horsepower at 2200 RPM - 6/10 HHG

Replies:

• Re: That's a bit silly Tramway Guy 06:14:16 07/16/07 (1)
  • Re: That's a bit silly jdemaris 07:13:40 07/16/07 (0)
• Re: That's a bit silly RodInNS 20:01:30 07/11/07 (1)
  • any unthrottled diesel, gas turbine or boiler/fire box buickanddeere 07:53:23 07/12/07 (0)

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