Changing the front diff fluid on the Ranger 800 is a quick and easy job. The most difficult part is of the entire job is removing the fill plug on the front of the diff. The oil change is relatively mess free due to the low 9.3 oz. fluid capacity. Before getting started make sure to have a 8mm allen wrench and Polaris Demand Drive Hub Fluid or Polaris Angle Drive Fluid on hand. Lots of discussion out there on using different brands such as Amsoil and fluid variations such as automatic transmission fluid and hydraulic fluid in the front differential gearcase on these Rangers. You can do you're own research on that, but many swear by these alternatives.
Begin the process by driving the Ranger at road speeds for 15 minutes or more to warm the fluid up making the drain process quicker and more complete. Next remove the 8mm drain plug with the allen wrench, there is a hole in the front skid plate for access. As the fluid drains remove the fill plug located on front of the differential, you can do this without removing plastics. Once fluid is drained reinstall the drain plug. To fill you can attach a hose to the top of the Polaris Demand Drive Hub Fluid or Angle Drive Fluid nozzle and plumb it into the fill hole or use a funnel with hose, just be creative. Others have filled the front diff by pouring fluid down the vent hose under the hood.
I've attached the video of our fluid change, but to be honest it was early on and not the best.
Changing the front diff fluid on the Ranger 800 is a quick and easy job. The most difficult part is of the entire job is removing the fill plug on the front of the diff. The oil change is relatively mess free due to the low 9.3 oz. fluid capacity. Before getting started make sure to have a 8mm allen wrench and Polaris Demand Drive Hub Fluid or Polaris Angle Drive Fluid on hand. Lots of discussion out there on using different brands such as Amsoil and fluid variations such as automatic transmission fluid and hydraulic fluid in the front differential gearcase on these Rangers. You can do you're own research on that, but many swear by these alternatives.
Begin the process by driving the Ranger at road speeds for 15 minutes or more to warm the fluid up making the drain process quicker and more complete. Next remove the 8mm drain plug with the allen wrench, there is a hole in the front skid plate for access. As the fluid drains remove the fill plug located on front of the differential, you can do this without removing plastics. Once fluid is drained reinstall the drain plug. To fill you can attach a hose to the top of the Polaris Demand Drive Hub Fluid or Angle Drive Fluid nozzle and plumb it into the fill hole or use a funnel with hose, just be creative. Others have filled the front diff by pouring fluid down the vent hose under the hood. I've attached the video of our fluid change, but to be honest it was early on and not the best.
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