traction fix with rears only?

[Black_Pesmerga]

My JD 445 is struggling for grip with the turf tires whenever I try to blade dirt or rocks. Looking at swapping the rears to Deerstone 405s, 26x12-12. That matches the size I've got now, so it's a straight change. What I don't get is why some folks change out the front tires too. My fronts are Carlisle 18x8.50-8 turfs. I don't see how swapping those to Ags is going to make a big difference unless you're trying to chew up grass or add steering bite in mud. So is there any actual reason to change fronts when swapping rears, or is it just people going for the "matched set" look? I'd rather save the cash if it won't actually help traction or handling.

 

[Papayak1ng]

My JD 445 is struggling for grip with the turf tires whenever I try to blade dirt or rocks. Looking at swapping the rears to Deerstone 405s, 26x12-12. That matches the size I've got now, so it's a straight change. What I don't get is why some folks change out the front tires too. My fronts are Carlisle 18x8.50-8 turfs. I don't see how swapping those to Ags is going to make a big difference unless you're trying to chew up grass or add steering bite in mud. So is there any actual reason to change fronts when swapping rears, or is it just people going for the "matched set" look? I'd rather save the cash if it won't actually help traction or handling.

you know, when you have a blade full of dirt or rocks, your front tires are taking a lot of the weight and are trying to steer while being pushed by the rears.
Turf tires, with their smooth tread, tend to slide sideways on loose soil. The lugs on front Ag tires provide a more aggressive bite, giving you much better steering control and preventing the front end from just sliding around. It's not about traction, but about having predictable steering.

 

[DirtDozer]

My JD 445 is struggling for grip with the turf tires whenever I try to blade dirt or rocks. Looking at swapping the rears to Deerstone 405s, 26x12-12. That matches the size I've got now, so it's a straight change. What I don't get is why some folks change out the front tires too. My fronts are Carlisle 18x8.50-8 turfs. I don't see how swapping those to Ags is going to make a big difference unless you're trying to chew up grass or add steering bite in mud. So is there any actual reason to change fronts when swapping rears, or is it just people going for the "matched set" look? I'd rather save the cash if it won't actually help traction or handling.

The 405s are a solid choice and you'll see a huge difference for sure when you're pushing dirt. You're right that swapping the front tires won't add any significant pulling power since the 445 is 2WD, but I'm with @Papayak1ng that the biggest reason people swap them is for steering and control, especially on soft or loose ground. If you're mostly on hard surfaces or just doing light grading, you can probably get away with the turfs, but for serious blading and pushing, the matched set really does make a difference in handling. You'll thank yourself later for the extra control.

 

[Buff4loberry]

My JD 445 is struggling for grip with the turf tires whenever I try to blade dirt or rocks. Looking at swapping the rears to Deerstone 405s, 26x12-12. That matches the size I've got now, so it's a straight change. What I don't get is why some folks change out the front tires too. My fronts are Carlisle 18x8.50-8 turfs. I don't see how swapping those to Ags is going to make a big difference unless you're trying to chew up grass or add steering bite in mud. So is there any actual reason to change fronts when swapping rears, or is it just people going for the "matched set" look? I'd rather save the cash if it won't actually help traction or handling.

This is a safety issue more than anything else. When you have the extra grip from the rear Ags, they can push the front end sideways on a turn, especially on uneven ground or a slope.
The front Ags act like rudders, keeping the machine pointing where you want it to go and giving you much more stable steering control, which is important when you're moving heavy material.

 

[deere_doc]

you know, when you have a blade full of dirt or rocks, your front tires are taking a lot of the weight and are trying to steer while being pushed by the rears.
Turf tires, with their smooth tread, tend to slide sideways on loose soil. The lugs on front Ag tires provide a more aggressive bite, giving you much better steering control and preventing the front end from just sliding around. It's not about traction, but about having predictable steering.

You're right, putting ag tires on the front really helps with steering. It makes a big difference, especially when you're hauling something heavy. The tractor just feels more stable and easier to control.