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Dual speed PTOS

jeff r Join Date: Jul 2003 Posts: 428 burton. michigan   Pics

2002-09-22          42775

Hey Art White and TomG

My B2150HST has a 2 speed lever for the PTO being 540 and 755 and 2 speeds for the MM PTO, What and when would a guy use the 750 PTO rear PTO for???? I see the b2710 and B2910 do not have 2 speed PTOs, Is there a reason for this? Enlighten us Please.

J Reed

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Dual speed PTOS

TomG Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley

2002-09-23          42799

I can give impressions while Art certainly knows implements and might comment. I think that some implement manufacturers experimented with speeds other that 540 for rear implements-especially for smaller CAT 0 implements. Front mounted implements that might be run from a rear to front PTO conversion also may be something other than 540 (They also need may need the direction of rotation reversed except for a few tractors whose PTO's run 'backwards' and make buying implements interesting).

I think the speeds of mid-pto's implements are less standard than the almost universal 540 rear. Two speed PTO's just allow the use of implements that might be considered somewhat non-standard. I have heard of people running rear 540 implements at the higher pto speed and using lower than PTO rpm's on the engine. I'm not sure why or that I'd do that myself.
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Dual speed PTOS

Art White Join Date: Jan 2000 Posts: 6898 Waterville New York   Pics

2002-09-23          42802

Many of the tractor companies have different or had different speed PTO's for different applications. The rear PTO's have been standardized for roughly 15 years now. But they were just like the garden tractors and had different set-ups of speed and type's of shafts used. On the newer tractors they have standardized with the 1 3/8" diameter 8 spline rear 540 rpm but most everyones mid pto is is a different speed and shaft so you can't take a front blower off a Kubota and put it on a JD or a Cadet with out some major work beyond welding and cutting the frame. Kubota uses one speed for the deck and one for some of the accesories that where available for that model tractor. ....

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