Posted by Deutz Lover on February 02, 2018 at 20:20:43 from (174.218.143.102):
In Reply to: Dexta VS Super Dexta posted by Lanse on February 02, 2018 at 11:31:16:
The nose piece is different on the Dexta and Super Dexta. There is a cast emblem that goes almost entirely across the top front of the nose piece. It says "Super Dexta". The Dexta just has a small round badge there. Dead giveaway.
The Super Dexta used a Simms Minimec injection pump. Early versions used P4588 while the updated one used a P4696.
The engine displacement was changed 152 cubic inch displacement.
I don't know whether any Super Dextas used the Simms pneumatically governed pumps. You can see the visual difference in that the vacuum diaphragm housing is visible at the upper rear part of the Simms vacuum controlled injection pump. Minimecs don't have this. I don't really know.
I saw someone selling a Dexta Simms injection pump on ebay. They said it was for a Super Dexta, but I have my doubts as it had the Vacuum control housing of the pneumatically controlled injection pump. I could be wrong. My knowledge goes only so far.
Super Dexta tractors had a different radiator than the Dexta.
I think the rated horsepower on SDs was 39 and finally 44 while the Dexta was listed at 32-35 depending on bore??
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