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Motive Gear D30-456F Rack and Pinion: High Performance, 41-9 Teeth, 4.56 Ratio Review

6

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Average

Revainrating 3.5 out of 5  
Rating 
3.5
🚗 Transmission & Drive Train, 🛠️ Replacement Parts

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Description of Motive Gear D30-456F Rack and Pinion: High Performance, 41-9 Teeth, 4.56 Ratio

Experienced installers know Motive Gear and trust us for the best quality and value for OEM replacement Ring and Pinions. Engineered to the highest standards, every Motive Gear Ring and Pinion goes through rigid quality control processes in our in-house lab. Street or Off-Road Use. Ratio: 4.56. Fit type: Vehicle Specific.

Reviews

Global ratings 6
  • 5
    3
  • 4
    1
  • 3
    0
  • 2
    0
  • 1
    2

Type of review

Revainrating 5 out of 5

The kit is excellent, the quality is good

What can I say? This is an R&P and it works, gears are set well. I run 4.88 and 36 on my Dana 30 and the last set has stood the test of several years of harsh abuse.

Pros
  • Absolutely amazing!
Cons
  • Everything ok

Revainrating 1 out of 5

Used Item - Gear & Transmission

It was a used gear in the kit that was ground, looks like fitted, there are wear marks on the bearing surfaces. Looks like someone tried to install it but didn't have the right tools to set the gear depth. changed gear. The ring is good.

Pros
  • Worth your money
Cons
  • Something else

Revainrating 1 out of 5

No quality control?!?

Gearing not machined according to specifications. Too wide and you have to push the fork in and out of gear, which doesn't work that way. They ruin the camps and the yoke. So sad I have to order another gear setup before sending this one back. What a waste of my time and money! Still not satisfied with Gear Motive!

Pros
  • New in my collection
Cons
  • Some little things

Revainrating 5 out of 5

Great gears at a good price

Had to tune them a bit tight at .005, they were a bit noisy but settled down quickly. There was very weak play, then the engravings on the ring gear were sharpened. So far I've driven about 1000 km with it without any problems. The cover was removed to install the locker about 200 miles ago and the gears look great!

Pros
  • Great product
Cons
  • Reliability

Revainrating 4 out of 5

CHECK YOUR TRANSPORTER!

DANA 30 requires special mount for 3.73+ gears. This is nowhere in the product description and I found this the hard way. If your Jeep comes from stock 3.55, you will need to replace the bracket. I was trying to install these 4.88 cogs on a bearing carrier (I had a 3.55) and was unable to get the correct clearance and pattern. A little more research and I found that I needed to replace my carrier. Once I switched my media to one for 3.73+, the install went smoothly and everything worked great…

Pros
  • Weight
Cons
  • Definitely bad product

Revainrating 5 out of 5

easy install, works well >700 miles

I am very happy with these gears. They're easy to install (it's my first time installing R&P) and seem to work well even with moderate off-road use. I didn't notice any difference in noise compared to the stock gearbox. Tolerances were good and tight, so the pattern and play was consistent throughout the cog, which is very reassuring for a first-time installer. The only thing I would wish is a table or something to convert the inspection depth (distance from axle centerline to gear head) marked

Pros
  • Same as everything before
Cons
  • Volume