Fluid · Automatic Transmission
Automatic Transmission
for 2018 Dodge Ram 3500 6.7L I6 Cummins Diesel · 4WD
Fluid Type
ATF+4 or ZF 8-speed ATF
Spec: MS-9602 (68RFE) or ZF LifeguardFluid 8 (8HP70)
Capacity
17.4qt
16.46 L
Drain & Refill
5.5 qt
5.2 L
Change Interval
60,000 mi
96,540 km
Notes
68RFE 6-speed uses ATF+4 (17.4 qt total, ~5.5 qt drain). 8HP70 8-speed uses ZF fluid (similar capacity). Service interval varies by duty
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