Horsepower rating vs pulling power - 3039R vs 3046R

[Kyle_in_Tex]

I'm betting in low range, they'll both spin front and rear wheels on an MFWD machine.

The higher HP tractor will do it more easily.

 

[arlen4720]

I'm betting in low range, they'll both spin front and rear wheels on an MFWD machine.

The higher HP tractor will do it more easily.

I agree that would be the probable outcome, but if you were not traction limited, I think both tractors would send the HST into relief.

 

[4570Man]

I agree that would be the probable outcome, but if you were not traction limited, I think both tractors would send the HST into relief.

It’s a pointless argument. It’ll never happen that way UNLESS you’re in a higher gear trying to gain speed. Weight/traction beats HP every time.

 

[ovrszd]

It’s a pointless argument. It’ll never happen that way UNLESS you’re in a higher gear trying to gain speed. Weight/traction beats HP every time.

As long as you don't enter time in the equation.

For those making a living with their tractors time is ALWAYS in the equation. That's why tractors are built with varying HP.

Back to the original question. Yes, the higher HP tractor will do the task quicker and more effectively. It's not rocket science.

 

[arlen4720]

As long as you don't enter time in the equation.

For those making a living with their tractors time is ALWAYS in the equation. That's why tractors are built with varying HP.

Back to the original question. Yes, the higher HP tractor will do the task quicker and more effectively. It's not rocket science.

Plus the extra hp comes in handy for PTO use...and they are chick magnets:thumbsup:

 

[arlen4720]

It’s a pointless argument. It’ll never happen that way UNLESS you’re in a higher gear trying to gain speed. Weight/traction beats HP every time.

Weight and traction are not part of the debate. The op is comparing 2 identical tractors except engine. Why complicate things?
Save your point when someone is asking about a 10,000 pound 50hp tractor vs a 5,000 pound 65 hp tractor. :duh:

 

[4570Man]

As long as you don't enter time in the equation.

For those making a living with their tractors time is ALWAYS in the equation. That's why tractors are built with varying HP.

Back to the original question. Yes, the higher HP tractor will do the task quicker and more effectively. It's not rocket science.

Have I or anyone else said more hp won’t pull faster or in general do more work? No. But more HP won’t pull harder with everything else being equal.

 

[Kyle_in_Tex]

Weight and traction are not part of the debate. The op is comparing 2 identical tractors except engine. Why complicate things?
Save your point when someone is asking about a 10,000 pound 50hp tractor vs a 5,000 pound 65 hp tractor. :duh:

Pushing snow requires weight and traction. So how can that not be a part of this?

If, the same weight tractor CAN get enough traction, the higher HP will move more snow faster. Once wheels slip, hp matters not.

 

[TSO]

Pushing snow requires weight and traction. So how can that not be a part of this?

If, the same weight tractor CAN get enough traction, the higher HP will move more snow faster. Once wheels slip, hp matters not.

I don't think this will prove true in this scenario with an identical HST tractor with only marginal HP difference.

I don't think the extra HP will come into play until the engine is lugged and trying to keep the hydraulic pump at full input speed when the machine is under heavy tractive load and there is no wheel slippage.

I general run out of hydraulic driveline pressure long before I notice the RPMs drop in my machine. There was practically no difference with my virtually identical machine when I had my smaller-engined Massey 1648 compared to my 1652.

I traded up to the larger engine for more PTO HP, not tractive power.

 

[arlen4720]

Pushing snow requires weight and traction. So how can that not be a part of this?

If, the same weight tractor CAN get enough traction, the higher HP will move more snow faster. Once wheels slip, hp matters not.

I said that because the tractors that the OP are comparing are the same weight and identical other than HP. So there is nothing to compare. To keep talking about weight and traction is just a distraction from his question.
Of course weight And traction are important