Maintenance, Lubrication recommendations, Engine oil – Polaris 2015 Ranger Diesel / Crew Diesel User Manual
Page 70: Oil recommendations
68
MAINTENANCE
Lubrication Recommendations
Check and lubricate all components at the intervals outlined in the Periodic Maintenance
Chart beginning on page 65, or more often under severe use, such as wet or dusty conditions.
Items not listed in the chart should be lubricated at the general lubrication interval.
Engine Oil
Always check and change the engine oil at the intervals outlined in the Periodic Maintenance
Chart beginning on page 65. Always change the oil filter whenever changing oil.
WARNING! Vehicle operation with insufficient, deteriorated, or contaminated engine oil will cause
accelerated wear and may result in engine seizure, accident, and injury. Always perform the
maintenance procedures as outlined in the Periodic Maintenance Chart.
Oil Recommendations
POLARIS recommends the use of semi-synthetic or full synthetic POLARIS Diesel Oil
(SAE 15W-40) for this vehicle. Always use the correct viscosity grade based on the ambient
temperature expected during operation. See the chart below.
NOTICE: Mixing brands or using a non-recommended oil may cause serious engine damage. Always
use the recommended oil. Never substitute or mix oil brands.
Oil Viscosity/Ambient Air Temperature Chart
Item
Lube
Method
Engine Oil
POLARIS Diesel Oil (SAE
15W-40)
Add to proper level on dipstick. See page
69.
Brake Fluid
DOT 4 Brake Fluid
Maintain level between fill lines. See page
86.
Main Gearcase Oil
(Transmission)
AGL Gearcase Lubricant &
Transmission Fluid
See page 72.
Front Gearcase Oil
Demand Drive Fluid
See pages 72-73.
Front Prop Shaft Yoke
U-Joint Grease
Locate fittings and grease (3 pumps
maximum).
Front Control Arm Pivot
Bushings
All Season Grease or grease
conforming to NLGI No. 2
Grease 3 fittings on each side of the
vehicle.
Rear Control Arm Pivot
Bushings
Grease 4 fittings on each side of the
vehicle.
Rear Stabilizer Bar
Bushings
Grease one fitting on each side of the
vehicle.
-25° F
(-31° C)
+5° F
(-15° C)
+80° F
(+27° C)
+104° F
(+40° C)
SAE 5W-40
SAE 15W-40