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Here's some fun 428 Irrigation motor info.
By Dave Shoe - 10/01/2001 10:10:53 PM; IP 216.243.158.237
Ford apparently offered a 428 irrigation motor in Feb 1970, with slight mods to the engine in March 1971. Note that Ford appears to have also offered a derivative of this 428 industrial engine to the agricultural markets about this time, too.

The heads appear to resemble FT items more than any other, but the crank, rods, and pistons appear to be pure 428CJ. The block uses an FE distributor, so the distributor pilot hole does not need to be bushed if swapping into a car is the plan.

428 irrigation engines were apparently available only with a 2-barrel intake and propane/natural gas carburetors. The propane/natural gas carb was a single-barrel type, so it used an adapter to mount onto the 2-barrel intake. You can see the pressure regulator mounted to the valve cover of the attached picture. Note also the fuel pump blockoff plate for the engine.

Engine specs listed in the Ford Maintenance and Operators manual are the of a 428PI engine of years earlier. This is certainly false information. This engine has a 1964 vintage FT camshaft and small valve heads, so you can figure the continuous duty power numbers will be about 15 HP above an equivalently carbureted 391FT engine.

Though not listed anywhere in the tiny pamphlets I unearthed, the instinct horsepower specs (these are my imagined SAE gross HP nunbers per J245) are:
Intermittent duty: 165HP@3200RPM(note: fake)
Continuous duty: 135HP @ 2800RPM (note: fake).

Yes, I suspect peak HP is higher than these numbers, but I also suspect exceeding 4000 RPM would void the manufacturers warrantee.

Shoe.
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Collapse <b>Here's some fun 428 Irrigation motor info.</b>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>10/01/2001</i></font>Here's some fun 428 Irrigation motor info. -- Dave Shoe, 10/01/2001
Collapse <a href=../ForumFE/reply.aspx?ID=8406&Reply=8400><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor8406" onclick="return false;">RE: Here's some fun 428 Irrigation motor info.</a>&nbsp;-- <font color=#0000ff>Robert, <i>10/02/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=8406', contentMargin: 60, icon: $('anchor8406') }); </script>  RE: Here's some fun 428 Irrigation motor info. -- Robert, 10/02/2001
 I think I've got that manual, too. -- Dave Shoe, 10/02/2001
Collapse <a href=../ForumFE/reply.aspx?ID=8419&Reply=8400><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor8419" onclick="return false;">Robert, What's the title of your catalog?</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>10/03/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=8419', contentMargin: 60, icon: $('anchor8419') }); </script>  Robert, What's the title of your catalog? -- Dave Shoe, 10/03/2001
Collapse <a href=../ForumFE/reply.aspx?ID=8422&Reply=8400><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor8422" onclick="return false;">RE: Robert, What's the title of your catalog?</a>&nbsp;-- <font color=#0000ff>Robert, <i>10/03/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=8422', contentMargin: 60, icon: $('anchor8422') }); </script>  RE: Robert, What's the title of your catalog? -- Robert, 10/03/2001
Collapse <a href=../ForumFE/reply.aspx?ID=8425&Reply=8400><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor8425" onclick="return false;">The New Holland TR-70 came with an FT engine.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>10/03/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=8425', contentMargin: 60, icon: $('anchor8425') }); </script>  The New Holland TR-70 came with an FT engine. -- Dave Shoe, 10/03/2001
Collapse <a href=../ForumFE/reply.aspx?ID=8428&Reply=8400><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor8428" onclick="return false;">RE: Military applications</a>&nbsp;-- <font color=#0000ff>Robert, <i>10/03/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=8428', contentMargin: 60, icon: $('anchor8428') }); </script>  RE: Military applications -- Robert, 10/03/2001
Collapse <a href=../ForumFE/reply.aspx?ID=8430&Reply=8400><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor8430" onclick="return false;">Swedish applications of the 427FE.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>10/03/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=8430', contentMargin: 60, icon: $('anchor8430') }); </script>  Swedish applications of the 427FE. -- Dave Shoe, 10/03/2001
 RE: Swedish applications of the 427FE. -- Robert, 10/03/2001
 RE: The New Holland TR-70 came with an FT engine. -- FE427TP, 04/10/2002
 Robert, I'm looking for info on 1972 460 marine... -- Dan Davis, 04/09/2002
 RE: Here's some fun 428 Irrigation motor info. -- Mel Clark, 10/02/2001
 RE:FT heads/int/ex/pan.. -- kevin, 10/05/2001
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